14 block and schematic diagrams -...

94
Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacture's specified parts. Important Safety Notice Notes: 1. Resistor All resistors are cabon 1/4W resistor, unless marked as follows: Unit of resistance is OHM [ ] (K=1,000, M=1,000,000). : Nonflammable : Metal Oxide : Solid : Metal Film : Wire Wound : Fuse: 2. Capacitor All capacitors are ceramic 50V capacitor, unless marked as follows: Unit of capacitance is F, unless otherwise noted. : Temperature Compensation : Electrolytic : Polyester : Bipolar : Metalized Polyester : Dipped Tantalum : Polypropylene : Z-Type 3. Coil Unit of inductance is F, unless otherwise noted. 4. Test Point : Test Point position 5. Earth Symbol : Chassis Earth (Cold) : Line Earth (Hot) 6. Voltage Measurement Voltage is measured by a DC voltmeter. Conditions of the measurement are the following: Power Source ...................................................AC120V, 50/60Hz Receiving Signal ............................................... Colour Bar signal (RF) All customer's controls ...................................... Maximum positions 7. Number in red circle indicates waveform nember. (See waveform pattern table.) 8. When arrow mark ( ) is found, connection is easily found from the direction of arrow 9. Indicates the major signal flow. : Video Audio 10. This schematic diagram is the latest at the time of printing and subject to change without notice. + - M m T Z NP TH-42PA20U Schematic Diagram Notes 14 Block and Schematic Diagrams 14.1. Schematic Diagram Notes 55

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  • Components identified by mark have special characteristics important for safety.When replacing any of these components, use only manufacture's specified parts.

    Important Safety Notice

    Notes:1. Resistor

    All resistors are cabon 1/4W resistor, unless marked as follows:Unit of resistance is OHM [W] (K=1,000, M=1,000,000).

    : Nonflammable : Metal Oxide: Solid : Metal Film: Wire Wound : Fuse:

    2. CapacitorAll capacitors are ceramic 50V capacitor, unless marked as follows:Unit of capacitance is mF, unless otherwise noted.

    : Temperature Compensation : Electrolytic: Polyester : Bipolar: Metalized Polyester : Dipped Tantalum: Polypropylene : Z-Type

    3. CoilUnit of inductance is mF, unless otherwise noted.

    4. Test Point: Test Point position

    5. Earth Symbol: Chassis Earth (Cold) : Line Earth (Hot)

    6. Voltage MeasurementVoltage is measured by a DC voltmeter.Conditions of the measurement are the following:

    Power Source ...................................................AC120V, 50/60Hz Receiving Signal ............................................... Colour Bar signal (RF)All customer's controls ...................................... Maximum positions

    7. Number in red circle indicates waveform nember.(See waveform pattern table.)

    8. When arrow mark ( ) is found, connection is easily found from the direction of arrow

    9. Indicates the major signal flow. : Video Audio10. This schematic diagram is the latest at the time of printing and subject to change without

    notice.

    + -

    M

    m T

    Z

    NP

    TH-42PA20USchematic Diagram Notes

    Remarks:1. The Power Circuit contains a circuit area which uses a separate power supply to isolate the

    earth connection.The circuit is defined by HOT and COLD indications in the schematic diagram. Take the follwing precautions.All circuits, except the Power Circuit, are cold.Precautions

    a. Do not touch the hot part or the hot and cold parts at the same time or you may be shocked.

    b. Do not short- circuit the hot and cold circuits or a fuse may blow and parts may break.

    c. Do not connect an instrument, such as an oscilloscope, to the hot and cold circuits simultaneously or a fuse may blow.

    Connect the earth of instruments to the earth connection of the circuit being measured.

    d. Make sure to disconnect the power plug before removing the chassis.2. Following diodes are interchangeable.

    MA150- MA162 (Replacement part)

    TH-42PA20USchematic Diagram Notes

    14 Block and Schematic Diagrams14.1. Schematic Diagram Notes

    55

  • Components identified by mark have special characteristics important for safety.When replacing any of these components, use only manufacture's specified parts.

    Important Safety Notice

    Notes:1. Resistor

    All resistors are cabon 1/4W resistor, unless marked as follows:Unit of resistance is OHM [W] (K=1,000, M=1,000,000).

    : Nonflammable : Metal Oxide: Solid : Metal Film: Wire Wound : Fuse:

    2. CapacitorAll capacitors are ceramic 50V capacitor, unless marked as follows:Unit of capacitance is mF, unless otherwise noted.

    : Temperature Compensation : Electrolytic: Polyester : Bipolar: Metalized Polyester : Dipped Tantalum: Polypropylene : Z-Type

    3. CoilUnit of inductance is mF, unless otherwise noted.

    4. Test Point: Test Point position

    5. Earth Symbol: Chassis Earth (Cold) : Line Earth (Hot)

    6. Voltage MeasurementVoltage is measured by a DC voltmeter.Conditions of the measurement are the following:

    Power Source ...................................................AC120V, 50/60Hz Receiving Signal ............................................... Colour Bar signal (RF)All customer's controls ...................................... Maximum positions

    7. Number in red circle indicates waveform nember.(See waveform pattern table.)

    8. When arrow mark ( ) is found, connection is easily found from the direction of arrow

    9. Indicates the major signal flow. : Video Audio10. This schematic diagram is the latest at the time of printing and subject to change without

    notice.

    + -

    M

    m T

    Z

    NP

    TH-42PA20USchematic Diagram Notes

    Remarks:1. The Power Circuit contains a circuit area which uses a separate power supply to isolate the

    earth connection.The circuit is defined by HOT and COLD indications in the schematic diagram. Take the follwing precautions.All circuits, except the Power Circuit, are cold.Precautions

    a. Do not touch the hot part or the hot and cold parts at the same time or you may be shocked.

    b. Do not short- circuit the hot and cold circuits or a fuse may blow and parts may break.

    c. Do not connect an instrument, such as an oscilloscope, to the hot and cold circuits simultaneously or a fuse may blow.

    Connect the earth of instruments to the earth connection of the circuit being measured.

    d. Make sure to disconnect the power plug before removing the chassis.2. Following diodes are interchangeable.

    MA150- MA162 (Replacement part)

    TH-42PA20USchematic Diagram Notes

    14 Block and Schematic Diagrams14.1. Schematic Diagram Notes

    55

  • 14.2. Main Block Diagram

    DC/DCCONVERTER SPEAKER

    TA

    TB

    TUNER

    TUNER

    MTS

    H11

    T11

    H21

    T21

    VIDEO2

    COMP1

    VIDEO1

    MONI OUT

    COMP2

    INPUTYPbPr

    VIDEO3

    PC IN

    DVI IN

    H1 DG1

    SELECTSELECT

    DVIRECIVER

    GC2M

    GC2S

    RGB AMPRGB/PC

    SELECT

    DG7

    DG18

    G7

    G18

    D3DG3

    G

    TEXT

    MICOM

    HEADPHONE G5 K5

    KEYSCAN

    POWER SW

    IRDA K24

    K12

    K9K

    DG12

    PRE AMP

    R OUT

    L OUT PA9

    PA3SPEAKER

    PA6

    DG6

    AC CORD

    PF1

    AC INLINE

    FILTER

    PFPF2 P9

    RECTIFIER

    RELAY

    CONTROL RECTIFIER

    STANDBY

    VOLTAGEVOLTAGE

    STANDBY STB7V

    STB5V

    RECTIFIER FACTORPOWER

    CONTROL CONTROL

    SUSTAIN

    VOLTAGE

    VOLTAGE

    PROCESS

    CONTROL

    RECTIFIER

    SUSTAIN

    VOLTAGE

    PROCESS

    VOLTAGERECTIFIER

    P23

    VSUSP11

    5VUR12V

    STB7V

    ON/OFF

    STB5V

    P25P

    P27SOS

    15V

    12VSTB5V

    P7

    P5

    +12Vs

    15VP12Vda

    MICOM

    CONVERT

    EEPROM

    TUNER 30V

    P7

    P5

    PASS23

    SS

    SS48

    SS49

    SS2

    SUSTAINPULSE

    SS3

    ERASEPULSE

    ADDRESS

    VOLTAGE(VE)

    VSUS

    SS11SS12

    A/D

    SDRAM ROM

    FORMATCONVERTERRGBPROCESSOR PROCESSOR

    SUB-FIELD

    PLASMA AI

    SDRAM

    SUSTAINPULSE

    64

    64

    S.R

    S.R

    S.R64

    S.R64

    64

    64

    64

    S.R

    S.R

    64

    S.R

    S.R

    S.R

    VOLTAGE

    64

    GENERATOR

    S.R64

    CONTROL

    64

    PULSE

    S.R

    PULSE

    64

    SCAN

    S.R

    SC2

    SC23

    SC20

    SC

    H

    SU

    SD

    SUB

    MAIN

    D25

    D27

    VDA

    15V

    5V

    12V

    P2

    D20

    SDRAM

    SDRAM

    DC/DCCONVERTER

    3.3V2.5V1.8V

    CONTROLDISCHARGE

    D

    DG

    15V

    VSUS

    S.R.

    VDA

    C12

    C11

    C22C1

    C21

    C2

    C24

    C23

    S.R. S.R. S.R. S.R. S.R. S.R.

    MAIN MPU

    SUB MPU

    ROM

    CONTROL

    D31 D32

    PROTECTION

    (SOS)

    VDA

    TH-42PA20UMain Block Diagram

    TH-42PA20UMain Block Diagram

    56

  • 14.2. Main Block Diagram

    DC/DCCONVERTER SPEAKER

    TA

    TB

    TUNER

    TUNER

    MTS

    H11

    T11

    H21

    T21

    VIDEO2

    COMP1

    VIDEO1

    MONI OUT

    COMP2

    INPUTYPbPr

    VIDEO3

    PC IN

    DVI IN

    H1 DG1

    SELECTSELECT

    DVIRECIVER

    GC2M

    GC2S

    RGB AMPRGB/PC

    SELECT

    DG7

    DG18

    G7

    G18

    D3DG3

    G

    TEXT

    MICOM

    HEADPHONE G5 K5

    KEYSCAN

    POWER SW

    IRDA K24

    K12

    K9K

    DG12

    PRE AMP

    R OUT

    L OUT PA9

    PA3SPEAKER

    PA6

    DG6

    AC CORD

    PF1

    AC INLINE

    FILTER

    PFPF2 P9

    RECTIFIER

    RELAY

    CONTROL RECTIFIER

    STANDBY

    VOLTAGEVOLTAGE

    STANDBY STB7V

    STB5V

    RECTIFIER FACTORPOWER

    CONTROL CONTROL

    SUSTAIN

    VOLTAGE

    VOLTAGE

    PROCESS

    CONTROL

    RECTIFIER

    SUSTAIN

    VOLTAGE

    PROCESS

    VOLTAGERECTIFIER

    P23

    VSUSP11

    5VUR12V

    STB7V

    ON/OFF

    STB5V

    P25P

    P27SOS

    15V

    12VSTB5V

    P7

    P5

    +12Vs

    15VP12Vda

    MICOM

    CONVERT

    EEPROM

    TUNER 30V

    P7

    P5

    PASS23

    SS

    SS48

    SS49

    SS2

    SUSTAINPULSE

    SS3

    ERASEPULSE

    ADDRESS

    VOLTAGE(VE)

    VSUS

    SS11SS12

    A/D

    SDRAM ROM

    FORMATCONVERTERRGBPROCESSOR PROCESSOR

    SUB-FIELD

    PLASMA AI

    SDRAM

    SUSTAINPULSE

    64

    64

    S.R

    S.R

    S.R64

    S.R64

    64

    64

    64

    S.R

    S.R

    64

    S.R

    S.R

    S.R

    VOLTAGE

    64

    GENERATOR

    S.R64

    CONTROL

    64

    PULSE

    S.R

    PULSE

    64

    SCAN

    S.R

    SC2

    SC23

    SC20

    SC

    H

    SU

    SD

    SUB

    MAIN

    D25

    D27

    VDA

    15V

    5V

    12V

    P2

    D20

    SDRAM

    SDRAM

    DC/DCCONVERTER

    3.3V2.5V1.8V

    CONTROLDISCHARGE

    D

    DG

    15V

    VSUS

    S.R.

    VDA

    C12

    C11

    C22C1

    C21

    C2

    C24

    C23

    S.R. S.R. S.R. S.R. S.R. S.R.

    MAIN MPU

    SUB MPU

    ROM

    CONTROL

    D31 D32

    PROTECTION

    (SOS)

    VDA

    TH-42PA20UMain Block Diagram

    TH-42PA20UMain Block Diagram

    56

  • 14.3. PF and P-Board Block Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    +

    5V

    SUSTAIN VOLTAGE CONTROL

    D565

    Vsus

    TO SS12

    P

    Q401

    P25

    T501

    +

    Power Supply Board

    Q403

    2

    10

    4

    5

    Q402

    13

    9

    3

    1

    1

    2

    5V

    RUSH ON/OFF

    2

    D566

    D404

    P23

    TVON/OFF

    2

    IC402

    1

    1

    P5

    2

    5

    2

    START

    Vin

    T502

    18

    REG

    17V

    RL403

    T.S.D

    12V

    3

    5V

    8

    STB5V

    6

    DR15V

    +12Vs

    +

    4

    DR15V

    4

    IC557

    12V

    3

    AVR 5V

    NEUTRAL

    1

    3TV ON/OFF

    KILL SOS

    Vin

    DRIVER

    OCP/FB

    PS SOS

    Source

    ALL OFF1

    GND

    D408

    Drain

    2

    11

    10

    HOT

    O.S.C

    VDA

    9

    4

    +

    DR15V

    7

    -

    5

    STB PS

    -

    8

    3

    AVR 5V

    8

    70V

    4

    7

    15

    380V

    4

    Rg2

    11

    Rg1

    P7

    DRIVER

    Q404

    2

    15

    1

    4

    10

    1

    IC403

    P12

    TO D25

    2

    RUSH ON/OFF

    TO D27

    REGENERATIVE

    RL401

    4

    TV ON/OFF

    9

    CONTROL

    Q555

    IC555

    1

    IC553

    14

    M POWER

    Q557

    Q552,3,4

    RUSH ON/OFF

    20

    1

    P2

    7

    Q455

    2

    STB 5V

    IC554

    2

    2

    1

    13.5V

    Q456

    6

    1

    DRV.REG

    IC552

    Q651

    5

    1

    5V

    Q457

    12

    =8.3V

    Rg2

    PROCESS VOLTAGE CONTROL

    Q650

    Vda

    LATCH

    Q452

    START

    Rg1

    O.V.P

    REG

    Q453

    RL402

    OCP/FB

    DRV.REG

    IC558

    T.S.D

    OUT

    Source

    TO SS11

    8

    GND

    17

    Drain

    16

    3

    5V

    18

    Q454

    1

    DR15V

    VSUS

    Q451

    Q558

    11

    2

    VSUS

    L451

    DR15V

    7

    8

    FAN SOS

    14

    12V

    12

    12V

    FAN SOS

    O.S.C

    6

    +

    5V

    12V

    COLD

    3

    -

    15Vs

    -

    +12Vs

    13

    P27

    12

    +15Vs

    2

    15

    =8.3V

    +15Vs

    3

    T401

    14

    LATCH

    HOT

    15V

    1

    2

    O.V.P

    IN1

    3

    1

    4

    2

    P9

    3

    1

    P10

    4

    2

    3

    3

    VSUS

    1

    TO SC2

    VSUS

    IC401

    TO SC23

    3

    2

    7

    LINE

    P11

    6

    3

    2

    1 3

    1

    19

    7V

    1

    2

    2

    17

    12V

    IC550

    3

    15V

    COLD

    1

    190V

    D451

    IC451

    4

    IC551

    LIVE CIRCUIT

    2 LINE

    N

    LINE

    NEUTRAL

    AC CORD

    PFLine Filter Board

    LINE

    LF904

    L.F L.F L.F4

    PF2

    1

    1

    PF1

    4

    LF909 LF915F900

    F901N

    1 1 8

    1033 43 4

    2 9

    CONTROL

    STANDBYVOLTAGE

    DETECTERROR

    DETECTERROR

    DETECTERROR

    DETECTERROR

    POWERFACTORCONTROL

    HOT

    TH-42PA20UPF and P-Board Block Diagram

    TH-42PA20UPF and P-Board Block Diagram

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    ! ! !!

    !

    TO PA7

    TO PA5

    57

  • 14.3. PF and P-Board Block Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    +

    5V

    SUSTAIN VOLTAGE CONTROL

    D565

    Vsus

    TO SS12

    P

    Q401

    P25

    T501

    +

    Power Supply Board

    Q403

    2

    10

    4

    5

    Q402

    13

    9

    3

    1

    1

    2

    5V

    RUSH ON/OFF

    2

    D566

    D404

    P23

    TVON/OFF

    2

    IC402

    1

    1

    P5

    2

    5

    2

    START

    Vin

    T502

    18

    REG

    17V

    RL403

    T.S.D

    12V

    3

    5V

    8

    STB5V

    6

    DR15V

    +12Vs

    +

    4

    DR15V

    4

    IC557

    12V

    3

    AVR 5V

    NEUTRAL

    1

    3TV ON/OFF

    KILL SOS

    Vin

    DRIVER

    OCP/FB

    PS SOS

    Source

    ALL OFF1

    GND

    D408

    Drain

    2

    11

    10

    HOT

    O.S.C

    VDA

    9

    4

    +

    DR15V

    7

    -

    5

    STB PS

    -

    8

    3

    AVR 5V

    8

    70V

    4

    7

    15

    380V

    4

    Rg2

    11

    Rg1

    P7

    DRIVER

    Q404

    2

    15

    1

    4

    10

    1

    IC403

    P12

    TO D25

    2

    RUSH ON/OFF

    TO D27

    REGENERATIVE

    RL401

    4

    TV ON/OFF

    9

    CONTROL

    Q555

    IC555

    1

    IC553

    14

    M POWER

    Q557

    Q552,3,4

    RUSH ON/OFF

    20

    1

    P2

    7

    Q455

    2

    STB 5V

    IC554

    2

    2

    1

    13.5V

    Q456

    6

    1

    DRV.REG

    IC552

    Q651

    5

    1

    5V

    Q457

    12

    =8.3V

    Rg2

    PROCESS VOLTAGE CONTROL

    Q650

    Vda

    LATCH

    Q452

    START

    Rg1

    O.V.P

    REG

    Q453

    RL402

    OCP/FB

    DRV.REG

    IC558

    T.S.D

    OUT

    Source

    TO SS11

    8

    GND

    17

    Drain

    16

    3

    5V

    18

    Q454

    1

    DR15V

    VSUS

    Q451

    Q558

    11

    2

    VSUS

    L451

    DR15V

    7

    8

    FAN SOS

    14

    12V

    12

    12V

    FAN SOS

    O.S.C

    6

    +

    5V

    12V

    COLD

    3

    -

    15Vs

    -

    +12Vs

    13

    P27

    12

    +15Vs

    2

    15

    =8.3V

    +15Vs

    3

    T401

    14

    LATCH

    HOT

    15V

    1

    2

    O.V.P

    IN1

    3

    1

    4

    2

    P9

    3

    1

    P10

    4

    2

    3

    3

    VSUS

    1

    TO SC2

    VSUS

    IC401

    TO SC23

    3

    2

    7

    LINE

    P11

    6

    3

    2

    1 3

    1

    19

    7V

    1

    2

    2

    17

    12V

    IC550

    3

    15V

    COLD

    1

    190V

    D451

    IC451

    4

    IC551

    LIVE CIRCUIT

    2 LINE

    N

    LINE

    NEUTRAL

    AC CORD

    PFLine Filter Board

    LINE

    LF904

    L.F L.F L.F4

    PF2

    1

    1

    PF1

    4

    LF909 LF915F900

    F901N

    1 1 8

    1033 43 4

    2 9

    CONTROL

    STANDBYVOLTAGE

    DETECTERROR

    DETECTERROR

    DETECTERROR

    DETECTERROR

    POWERFACTORCONTROL

    HOT

    TH-42PA20UPF and P-Board Block Diagram

    TH-42PA20UPF and P-Board Block Diagram

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    ! ! !!

    !

    TO PA7

    TO PA5

    57

  • 14.4. PF and P-Board (1 of 2) Schematic Diagram

    +

    +

    +

    +

    P2

    P1

    +

    +

    -+

    +

    +

    +-

    -+

    Drain

    GND

    OCP/FB

    Source

    Rg1

    Rg2

    =8.3VDRV.REG

    Vin

    DRIVEREG

    T.S.D

    O.V.PSTART

    O.S.C

    LATCH

    +

    +

    +

    +

    +

    +

    +-

    -+

    Drain

    GND

    OCP/FB

    Source

    Rg1

    Rg2

    =8.3VDRV.REG

    Vin

    DRIVEREG

    T.S.D

    O.V.PSTART

    O.S.C

    LATCH-+

    L.FL.F L.F

    640V

    375V

    100V

    140V

    112V

    125V

    70V

    70V

    750V

    70V

    70V

    70V

    250V

    128V

    254V

    400Vp

    55V

    28V

    520VAC264V

    LIVE

    200V

    128V

    254V

    70V

    82V

    750V

    -550V

    70V

    AC264V

    NEUTRAL

    200V

    15V

    DC380V

    380V 380V380V

    21V

    15V

    AC

    100-

    240V

    HO

    T-C

    OM

    1%R431330k

    2W

    R5690.47

    D654MAZ30560ML

    1%R433330k

    D457B0HARR000016

    C462

    50V0.1u

    R564680

    Q4552SC3311A0A

    C559630V0.047u

    C406450V10u

    3W

    R57868k

    D554B0HCMM000001

    C45950V33u

    D45

    3M

    AZ

    3270

    0ML

    R56610k

    3W

    R45533k

    C563Not specified DC

    1000p

    D460MAZ31000ML

    C554

    50V220p

    C41250V10u

    1WR5500.56

    D402MA3X152K0L

    R5821k

    1%

    R4813.3k

    C4534700p

    D405MAZ30820LL

    1%

    R474330k

    1%

    R432100k

    R4845.6k

    C55650V22u

    R65347k

    D459MAZ32700ML

    C455630V

    1u

    C460

    50V100p

    R41310k

    R46156k

    R5573.3k

    1/2W

    R57922

    1%R434330k

    D463

    B0JCME000025

    Q4562SC3311A0A

    RL402K6B1ADA00009

    R565680

    1W

    R6502.2k

    3W

    R45433k

    R5035.6k

    R4070

    1/2W

    R411100

    1/2W

    R4562.7

    2W R5760.47

    2W

    R483100k

    D553B0HCMM000001

    1%

    R4763.6k

    C471

    50V0.1u

    C463

    50V0.01u

    L451G4D4A0000048

    1

    2

    4

    5

    3

    8

    10

    19

    11

    12

    13

    14

    15

    20

    18

    Q6512SC3311A0A

    R4532.7k

    D555B0HCMM000001

    D408B3PAA0000012

    C5582kV

    100p

    R4106.8

    1/2W

    R46722

    D561B0HCMM000001

    D458MAZ32700ML

    C551

    50V470p

    1W

    R5600.56

    1%R429330k

    1W

    R5740.56

    3W

    R57268k

    IC451C0DABZG00001

    1 2 3 4 5 6 7 8910111213141516

    1%

    R479330k

    C55250V470p

    C4034700p

    C461

    50V330p

    C469450V330u

    1W

    R48539k

    C45635V

    330u

    1%

    R478330k

    1/2W

    R451270k

    R49222kD

    452

    B0H

    CM

    M00

    0001

    C42350V0.1u

    R6572.2k

    C457

    50V0.01u

    Q6502SC3311A0A

    R5583.3k

    C557630V

    0.047u

    1/2W

    R452220k

    1/2W

    R65222

    D404B0EBKT000003

    S1WBA80Z

    1W

    R462100

    C40925V

    47u

    D407B0HCMM000001

    1%

    R472330k

    1%

    R482422

    C458

    50V820p

    Q4572SA1309A0A

    1%R466270k

    C468450V330u

    R465100k

    1%

    R473330k

    1%

    R480330k

    R5025.6k

    5W

    R4580.15

    P9

    1

    3

    1%R435330k

    D563RC3B2LFU1

    C4044700p

    D556B0HCMM000001

    R5752.2k

    D652B0HCMM000001

    1/2W

    R46410k

    R5732.2k

    C5602kV

    220p

    5W

    R4570.15

    Q4522SD2177RTA

    IC552C5HABZZ00080

    1

    2

    3

    4

    5

    R46010k

    D401MA3X152K0L

    C562

    50V4700p

    D558B0BA01000046

    2W

    R551100k

    R48847k

    1W

    R5680.56

    R50410k

    C407

    50V0.1u

    C4514700p

    C4082kV

    3900p

    TPP1

    2W

    R553100k

    C55525V100u

    C553

    50V1000p

    D565B3PAA0000012

    1/2WR469220

    R4902.7k

    1W

    R409100k

    Q454B1DEGR000021

    G

    D

    S

    C46450V0.1u

    10W

    R4023.3

    Q4532SB14340RA

    R4086.8

    C65050V100u

    1%

    R43612k

    D566B3PAA0000012

    C465

    50V1u

    D557B0BA01000046

    R40615

    ERU5TAJ150

    C411

    50V0.1u

    R4710

    C4054700p

    C47025V330u

    1/2W

    R46810k

    R5811k

    1%R47056k

    D406B0EAEV000001

    1%

    R477402

    D564B0HCMM000001

    R48633k

    D552B0BA02700021B0BA02700022

    R4932.2k

    3W

    R56368k

    D551B0BA02700021B0BA02700022

    R65456

    1%R430330k

    D559B0HCMM000001

    R6562.2k

    R48915k

    Q451B1DEGR000021

    G

    D

    S

    D45

    4B

    0HC

    MM

    0000

    01

    RL401K6B2ADA00007

    C4524700p

    3W

    R57768k

    L401ELEXT100KA

    D403MA3X152K0L

    R45927

    D413MAZ32000ML

    Q4062SC3311A0A

    R487100

    C4662kV100p

    1/2W

    R58022

    D562B0HCMM000001

    D462B0EAKT000012

    D560RC3B2LFU1

    D650B0HCMM000001

    R49122k

    R55612k

    10W

    R4043.3

    1/2W

    R6554.7k

    IC401MIP2E1DMY1TV

    Dra

    in3

    2S

    ourc

    e

    Con

    trol

    1

    1/2WR46322

    C561

    50V4700p

    T401ETS25AD1H6AG

    2 V3

    3 V2

    5 NC

    6 P1

    7 PT

    8 P2

    14S2

    15NC

    4 V1

    1 V4

    9NC

    10NC

    11NC

    12S1

    13NC

    L452EXCELDR35V

    Q405B1CBGD000001

    T501ETS49BP116AD

    2 V1

    4 P2

    7 PTA

    9 P1 12S1

    20NC

    14STA

    15STB

    17S2

    19S3

    6 PTB

    10 NC

    18S4

    1 V2

    T502ETS42BV116AD

    1 V2

    2 V1

    3 V3

    4 V4

    7 P2

    8 PT

    9 P1 10S1

    11S2

    12S4

    13S3

    14S6

    15S5

    16S9

    17S7

    18S8

    C550

    50V0.01u

    IC550C0CAAME00003

    OUTPUT3

    2GND

    INPUT1

    C54825V

    100uC54950V100u

    D550B0HCMM000001

    TP009

    TP008

    RL403K6B1ADA00009

    IC551C5HABZZ00115

    1

    2

    3

    4

    5

    D451B0FBBR000019

    C911220p

    ZA901K4ZZ01000121

    JS10

    CF902ERZVG7Z361

    R9021M *

    *

    CF901ERZV10V621P2

    LF915G0B123K00001

    1*

    2*

    3*

    4*

    JS70C902

    Not specified DC0.22u *

    *

    JS73C903

    Not specified DC1u

    **

    JS11*LF904

    G0B123K00001

    1*

    2*

    3*

    4*

    C910220p

    JS9

    *LF909G0B123K00001

    1*

    2*

    3**

    4*

    PF2

    1

    **

    3

    4

    **

    *C9171000p

    F901K5Y802B00001

    R9011M *

    *

    JS12

    C915

    Not specified DC0.22u *

    *

    S901J0LT00000009

    C901Not specified DC

    1u

    **

    PF11**34**

    F900K5Y802B00001

    *C9161000p

    HOT

    (PC123)

    (PC123)

    LIVE CIRCUIT

    NEUTRAL

    LIVE

    (ERA22-10V3)

    MT132E

    CTIDET

    IIN-IFB

    ON/OFF CSREFSYNC

    FA5502P

    VIN-VFBOVPVDET

    VCVCC

    OUTGND

    FACTOR

    HOT COLD

    (TMPG10G3)

    A

    F

    B

    E

    96 872 3

    D

    54

    C

    1

    STANDBY

    VOLTAGE

    VOLTAGECONTROL

    POWER

    CONTROL

    SUSTAIN

    CONTROL

    VOLTAGEPROCESS

    CONTROL

    (PF2)

    TO

    PF-BOARD

    ! P-BOARD TNPA2841 (1/2)

    14

    15

    13

    5

    12

    6

    4

    11

    7

    2

    3

    1

    10

    8

    9

    18

    16

    19

    20

    17

    21

    LIVE

    ECKRNB471MB

    N LIVE

    HOT

    T8AH 250V LIVE CIRCUIT

    COLD

    3.5mm

    3

    T8AH 250V

    N

    AC

    AC LINE CODEK2CG3DH00034

    AC

    NC

    GN

    D

    12

    4

    S914 1.8mm

    S902 1.8mm

    S903 1.8mm

    S904 1.8mm

    S905 1.8mm

    S906 1.8mm

    S907 1.8mm

    S908 1.8mm

    S910 1.8mm

    S911 1.8mm

    S912 1.8mm

    S913 1.8mmECKRNB102KB

    12

    3 4

    9

    3 10

    8

    ECKRNB471MB

    ECKRNB102KB

    ECKRNB471MB

    ECKRNB471MB ECKRNB471MB

    ECKRNB471MB

    PF-BOARD TXNPF1QCSU

    P-BOARDTO

    (P9)

    *

    M

    m

    =

    *

    *

    m

    #

    *

    *

    #

    #

    *

    *

    M

    #

    *

    *

    #

    M

    m

    #

    #

    *

    #

    * *

    #

    *

    M

    #

    *

    S

    *

    #

    #

    #$$

    !

    !

    !

    !

    ! ! !

    !!

    !

    !!

    ! !

    !

    ! !

    !

    !!

    !

    ! !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    TH-42PA20UPF and P-Board(1of2)Schematic Diagram

    TH-42PA20UPF and P-Board(1of2)Schematic Diagram

    58

  • 14.4. PF and P-Board (1 of 2) Schematic Diagram

    +

    +

    +

    +

    P2

    P1

    +

    +

    -+

    +

    +

    +-

    -+

    Drain

    GND

    OCP/FB

    Source

    Rg1

    Rg2

    =8.3VDRV.REG

    Vin

    DRIVEREG

    T.S.D

    O.V.PSTART

    O.S.C

    LATCH

    +

    +

    +

    +

    +

    +

    +-

    -+

    Drain

    GND

    OCP/FB

    Source

    Rg1

    Rg2

    =8.3VDRV.REG

    Vin

    DRIVEREG

    T.S.D

    O.V.PSTART

    O.S.C

    LATCH-+

    L.FL.F L.F

    640V

    375V

    100V

    140V

    112V

    125V

    70V

    70V

    750V

    70V

    70V

    70V

    250V

    128V

    254V

    400Vp

    55V

    28V

    520VAC264V

    LIVE

    200V

    128V

    254V

    70V

    82V

    750V

    -550V

    70V

    AC264V

    NEUTRAL

    200V

    15V

    DC380V

    380V 380V380V

    21V

    15V

    AC

    100-

    240V

    HO

    T-C

    OM

    1%R431330k

    2W

    R5690.47

    D654MAZ30560ML

    1%R433330k

    D457B0HARR000016

    C462

    50V0.1u

    R564680

    Q4552SC3311A0A

    C559630V0.047u

    C406450V10u

    3W

    R57868k

    D554B0HCMM000001

    C45950V33u

    D45

    3M

    AZ

    3270

    0ML

    R56610k

    3W

    R45533k

    C563Not specified DC

    1000p

    D460MAZ31000ML

    C554

    50V220p

    C41250V10u

    1WR5500.56

    D402MA3X152K0L

    R5821k

    1%

    R4813.3k

    C4534700p

    D405MAZ30820LL

    1%

    R474330k

    1%

    R432100k

    R4845.6k

    C55650V22u

    R65347k

    D459MAZ32700ML

    C455630V

    1u

    C460

    50V100p

    R41310k

    R46156k

    R5573.3k

    1/2W

    R57922

    1%R434330k

    D463

    B0JCME000025

    Q4562SC3311A0A

    RL402K6B1ADA00009

    R565680

    1W

    R6502.2k

    3W

    R45433k

    R5035.6k

    R4070

    1/2W

    R411100

    1/2W

    R4562.7

    2W R5760.47

    2W

    R483100k

    D553B0HCMM000001

    1%

    R4763.6k

    C471

    50V0.1u

    C463

    50V0.01u

    L451G4D4A0000048

    1

    2

    4

    5

    3

    8

    10

    19

    11

    12

    13

    14

    15

    20

    18

    Q6512SC3311A0A

    R4532.7k

    D555B0HCMM000001

    D408B3PAA0000012

    C5582kV

    100p

    R4106.8

    1/2W

    R46722

    D561B0HCMM000001

    D458MAZ32700ML

    C551

    50V470p

    1W

    R5600.56

    1%R429330k

    1W

    R5740.56

    3W

    R57268k

    IC451C0DABZG00001

    1 2 3 4 5 6 7 8910111213141516

    1%

    R479330k

    C55250V470p

    C4034700p

    C461

    50V330p

    C469450V330u

    1W

    R48539k

    C45635V

    330u

    1%

    R478330k

    1/2W

    R451270k

    R49222kD

    452

    B0H

    CM

    M00

    0001

    C42350V0.1u

    R6572.2k

    C457

    50V0.01u

    Q6502SC3311A0A

    R5583.3k

    C557630V

    0.047u

    1/2W

    R452220k

    1/2W

    R65222

    D404B0EBKT000003

    S1WBA80Z

    1W

    R462100

    C40925V

    47u

    D407B0HCMM000001

    1%

    R472330k

    1%

    R482422

    C458

    50V820p

    Q4572SA1309A0A

    1%R466270k

    C468450V330u

    R465100k

    1%

    R473330k

    1%

    R480330k

    R5025.6k

    5W

    R4580.15

    P9

    1

    3

    1%R435330k

    D563RC3B2LFU1

    C4044700p

    D556B0HCMM000001

    R5752.2k

    D652B0HCMM000001

    1/2W

    R46410k

    R5732.2k

    C5602kV

    220p

    5W

    R4570.15

    Q4522SD2177RTA

    IC552C5HABZZ00080

    1

    2

    3

    4

    5

    R46010k

    D401MA3X152K0L

    C562

    50V4700p

    D558B0BA01000046

    2W

    R551100k

    R48847k

    1W

    R5680.56

    R50410k

    C407

    50V0.1u

    C4514700p

    C4082kV

    3900p

    TPP1

    2W

    R553100k

    C55525V100u

    C553

    50V1000p

    D565B3PAA0000012

    1/2WR469220

    R4902.7k

    1W

    R409100k

    Q454B1DEGR000021

    G

    D

    S

    C46450V0.1u

    10W

    R4023.3

    Q4532SB14340RA

    R4086.8

    C65050V100u

    1%

    R43612k

    D566B3PAA0000012

    C465

    50V1u

    D557B0BA01000046

    R40615

    ERU5TAJ150

    C411

    50V0.1u

    R4710

    C4054700p

    C47025V330u

    1/2W

    R46810k

    R5811k

    1%R47056k

    D406B0EAEV000001

    1%

    R477402

    D564B0HCMM000001

    R48633k

    D552B0BA02700021B0BA02700022

    R4932.2k

    3W

    R56368k

    D551B0BA02700021B0BA02700022

    R65456

    1%R430330k

    D559B0HCMM000001

    R6562.2k

    R48915k

    Q451B1DEGR000021

    G

    D

    S

    D45

    4B

    0HC

    MM

    0000

    01

    RL401K6B2ADA00007

    C4524700p

    3W

    R57768k

    L401ELEXT100KA

    D403MA3X152K0L

    R45927

    D413MAZ32000ML

    Q4062SC3311A0A

    R487100

    C4662kV100p

    1/2W

    R58022

    D562B0HCMM000001

    D462B0EAKT000012

    D560RC3B2LFU1

    D650B0HCMM000001

    R49122k

    R55612k

    10W

    R4043.3

    1/2W

    R6554.7k

    IC401MIP2E1DMY1TV

    Dra

    in3

    2S

    ourc

    e

    Con

    trol

    1

    1/2WR46322

    C561

    50V4700p

    T401ETS25AD1H6AG

    2 V3

    3 V2

    5 NC

    6 P1

    7 PT

    8 P2

    14S2

    15NC

    4 V1

    1 V4

    9NC

    10NC

    11NC

    12S1

    13NC

    L452EXCELDR35V

    Q405B1CBGD000001

    T501ETS49BP116AD

    2 V1

    4 P2

    7 PTA

    9 P1 12S1

    20NC

    14STA

    15STB

    17S2

    19S3

    6 PTB

    10 NC

    18S4

    1 V2

    T502ETS42BV116AD

    1 V2

    2 V1

    3 V3

    4 V4

    7 P2

    8 PT

    9 P1 10S1

    11S2

    12S4

    13S3

    14S6

    15S5

    16S9

    17S7

    18S8

    C550

    50V0.01u

    IC550C0CAAME00003

    OUTPUT3

    2GND

    INPUT1

    C54825V

    100uC54950V100u

    D550B0HCMM000001

    TP009

    TP008

    RL403K6B1ADA00009

    IC551C5HABZZ00115

    1

    2

    3

    4

    5

    D451B0FBBR000019

    C911220p

    ZA901K4ZZ01000121

    JS10

    CF902ERZVG7Z361

    R9021M *

    *

    CF901ERZV10V621P2

    LF915G0B123K00001

    1*

    2*

    3*

    4*

    JS70C902

    Not specified DC0.22u *

    *

    JS73C903

    Not specified DC1u

    **

    JS11*LF904

    G0B123K00001

    1*

    2*

    3*

    4*

    C910220p

    JS9

    *LF909G0B123K00001

    1*

    2*

    3**

    4*

    PF2

    1

    **

    3

    4

    **

    *C9171000p

    F901K5Y802B00001

    R9011M *

    *

    JS12

    C915

    Not specified DC0.22u *

    *

    S901J0LT00000009

    C901Not specified DC

    1u

    **

    PF11**34**

    F900K5Y802B00001

    *C9161000p

    HOT

    (PC123)

    (PC123)

    LIVE CIRCUIT

    NEUTRAL

    LIVE

    (ERA22-10V3)

    MT132E

    CTIDET

    IIN-IFB

    ON/OFF CSREFSYNC

    FA5502P

    VIN-VFBOVPVDET

    VCVCC

    OUTGND

    FACTOR

    HOT COLD

    (TMPG10G3)

    A

    F

    B

    E

    96 872 3

    D

    54

    C

    1

    STANDBY

    VOLTAGE

    VOLTAGECONTROL

    POWER

    CONTROL

    SUSTAIN

    CONTROL

    VOLTAGEPROCESS

    CONTROL

    (PF2)

    TO

    PF-BOARD

    ! P-BOARD TNPA2841 (1/2)

    14

    15

    13

    5

    12

    6

    4

    11

    7

    2

    3

    1

    10

    8

    9

    18

    16

    19

    20

    17

    21

    LIVE

    ECKRNB471MB

    N LIVE

    HOT

    T8AH 250V LIVE CIRCUIT

    COLD

    3.5mm

    3

    T8AH 250V

    N

    AC

    AC LINE CODEK2CG3DH00034

    AC

    NC

    GN

    D

    12

    4

    S914 1.8mm

    S902 1.8mm

    S903 1.8mm

    S904 1.8mm

    S905 1.8mm

    S906 1.8mm

    S907 1.8mm

    S908 1.8mm

    S910 1.8mm

    S911 1.8mm

    S912 1.8mm

    S913 1.8mmECKRNB102KB

    12

    3 4

    9

    3 10

    8

    ECKRNB471MB

    ECKRNB102KB

    ECKRNB471MB

    ECKRNB471MB ECKRNB471MB

    ECKRNB471MB

    PF-BOARD TXNPF1QCSU

    P-BOARDTO

    (P9)

    *

    M

    m

    =

    *

    *

    m

    #

    *

    *

    #

    #

    *

    *

    M

    #

    *

    *

    #

    M

    m

    #

    #

    *

    #

    * *

    #

    *

    M

    #

    *

    S

    *

    #

    ##

    $$

    !

    !

    !

    !

    ! ! !

    !!

    !

    !!

    ! !

    !

    ! !

    !

    !!

    !

    ! !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    !

    TH-42PA20UPF and P-Board(1of2)Schematic Diagram

    TH-42PA20UPF and P-Board(1of2)Schematic Diagram

    58

  • 14.5. PF and P-Board (2 of 2) Schematic Diagram

    +

    +

    +

    ++

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    7V

    7V

    4V

    5V

    7V

    2.5V

    135V

    65V

    35V

    2.5V

    190V

    20V

    15V

    15V

    20V

    12V

    12V

    12V

    15V

    70V

    1%

    R60349.9k

    D577MA3X152K0L

    P25

    1

    2

    3

    4

    5

    6

    7

    8

    1/2W

    R598220k

    1/2W

    R58722

    IC553C0DAEJC00003

    3

    2

    1

    C5701kV470p

    IC558C0DAEJC00003

    3

    2

    1

    C42150V

    0.022u

    1/2W

    R595470

    P12

    1

    2

    3

    4

    5

    R586100

    R42010k

    R4180

    D580MA3X152K0L

    Q4042SC3311A0A

    C573200V1800

    C59025V2200u

    D409B0HCMM000001

    1/2W

    R62847

    R5842.2k

    Q5572SC3311A0A

    1/2W

    R412220

    1%

    R4162.55k

    C58525V100u

    Q4022SC3311A0A

    C567

    50V

    4700p

    D412MAZ30510ML

    Q5582SC3311A0A

    R60550k

    12

    3

    P2

    1

    2

    3

    4

    5

    6

    P7

    1

    2

    3

    4Q552

    B1DEGQ000019 G

    D

    S

    C5711kV100p

    C568

    50V4700p

    TP50

    D578MA3X152K0L

    D593B0HCMM000001

    C574200V1800

    P10 1 2 3 4 5

    R5832.2k

    R6304.7k

    C57850V

    3300p

    P23

    1

    2

    3

    D568B0HFRJ000012

    IC555C0DAAHG00007

    1V

    IN

    2V

    OU

    T

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    R60246.4k

    1/2W

    R600220k

    R41447k

    R6016.8k

    C584

    50V0.01u

    R61310k

    R59010k

    12

    3

    D589

    B0HCMM000001

    R585100

    C57725V2200u

    Q5542SC3311A0A

    D572B0HCMM000001

    P5

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    D410

    B0HCMM000001

    D58

    1M

    A3X

    152K

    0L

    C414

    500V560p

    D583MA3X152K0L

    D596MAZ30510ML

    R62747k

    R61710k

    R554105k

    D660B0HFRJ000012

    D66

    1M

    A3X

    152K

    0L

    R42110k

    R631100k

    C415

    50V4700p

    C57625V2200u

    D571MAZ30560ML

    R62510k

    D586B0HCMM000001

    R42210k

    C5691kV100p

    R42322k

    C41616V

    470u

    1%

    R6122.55k

    D590MA3X152K0L

    D576B0HCMM000001

    C42025V100u

    C42250V

    0.022u

    D594MAZ30560ML

    L554220u

    IC402C0DAEJC00003

    3

    2

    1

    R42547k

    R58847k

    IC557C0DAEJC00003

    3

    2

    1

    1%

    R6062.55k

    R4264.7k

    C41816V

    100u

    Q4012SC3311A0A

    D411B0HCMM000001

    R42447k

    D570B0HARR000009

    D595MA3X152K0L

    C58650V

    0.01u

    C41725V47u

    1%

    R60912.1k

    R5710

    D587B0JCME000025

    R417100k

    P27

    1

    2

    3

    4

    5

    6

    7

    8

    9

    R62068

    C57225V2200u

    1%

    R6352.55k

    C57550V22u

    C5641kV100p

    1%R6103.3k

    R62310k

    R6144.7k

    D567B0HARR000009

    R6086.8k

    IC554C0DAEJC00003

    3

    2

    1

    R4274.7k

    1/2W

    R59422

    C565

    P11

    1

    2

    3

    4

    5

    6

    7

    R607150

    C591

    1kV

    100p

    C58350V

    0.1u

    D573B0HFRJ000012

    D579MA3X152K0L

    D58

    2M

    A3X

    152K

    0L

    C57925V

    220u

    1/2W

    R597220k

    D592B0HCMM000001

    R6151k

    1%

    R60449.9k

    IC403AN7705F

    3

    2

    1

    R593100k

    C5662kV

    1000p

    C41910V

    470u

    R42822k

    C5816.3V1200u

    R61868

    Q4032SC3311A0A

    1%R6111.5k

    D574B0HFRJ000012

    R5966.8k

    Q5532SB0621AWA

    1%R4153.9k

    TP51

    R62610k

    1%

    R5552.49k

    R5994.7k

    D575B0JCME000025

    D585MAZ30560ML

    Q5552SC3311A0A

    R59147k

    D584MA3X152K0L

    1W

    R5922.2k

    R552105k

    R6161k

    1%

    R58949.9k

    1%

    R56112.1k

    R6194.7k

    R6214.7k

    STB7V

    +15Vs

    +15Vs

    GNDs

    GNDs

    FA

    N_C

    ON

    T

    5V

    FA

    N S

    OS

    GN

    D

    DR

    15V

    12V

    12V

    12V

    12V

    +12Vs

    +12Vs

    COM

    OUTIN

    DR15V

    DR15V

    DR15V

    DR15V

    M_POWER

    GNDs

    STB5V

    NC

    GND

    GND

    5V

    GND

    FAN_CONT

    5V

    GND

    GNDs

    GND

    GND

    GND

    GND

    Vda

    Vsus=170V 190V

    Vsus

    PS SOS

    Vda

    STB PS

    GND

    GND

    FAN SOS

    RUSH ON/OFF

    GND

    NC

    NC

    Vsus

    Vsus

    GND

    GND

    Vsus

    Vsus

    GND

    ALL OFF

    TV ON/OFF

    STB5V

    GND

    KILL SOS

    1813 15141210 1611 17

    ERROR

    DETECT

    ERROR

    DETECT

    ERROR

    DETECT

    ERROR

    DETECT

    ERROR

    DETECT

    AVR5V

    AVR5V

    (SC2)

    TOSC-BOARD (SS11)

    TOSS-BOARD

    (SC23)

    TOSC-BOARD

    (PA5)

    TOPA-BOARD

    (D25)

    TOD-BOARD

    (PA7)

    TOPA-BOARD

    (SS12)

    TOSS-BOARD

    (D27)

    TOD-BOARD

    P-BOARD TNPA2841 (2/2)

    2

    3

    1

    9

    10

    19

    8

    18

    15

    20

    13

    17

    5

    12

    16

    14

    21

    6

    4

    11

    7

    #

    #

    #

    #

    #

    M

    #

    +

    =

    #

    #*

    +

    TH-42PA20UPF and P-Board(2of2)Schematic Diagram

    TH-42PA20UPF and P-Board(2of2)Schematic Diagram

    59

  • 14.5. PF and-Board (2 of 2) Schematic Diagram

    +

    +

    +

    ++

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    7V

    7V

    4V

    5V

    7V

    2.5V

    135V

    65V

    35V

    2.5V

    190V

    20V

    15V

    15V

    20V

    12V

    12V

    12V

    15V

    70V

    1%

    R60349.9k

    D577MA3X152K0L

    P25

    1

    2

    3

    4

    5

    6

    7

    8

    1/2W

    R598220k

    1/2W

    R58722

    IC553C0DAEJC00003

    3

    2

    1

    C5701kV470p

    IC558C0DAEJC00003

    3

    2

    1

    C42150V

    0.022u

    1/2W

    R595470

    P12

    1

    2

    3

    4

    5

    R586100

    R42010k

    R4180

    D580MA3X152K0L

    Q4042SC3311A0A

    C573200V1800

    C59025V2200u

    D409B0HCMM000001

    1/2W

    R62847

    R5842.2k

    Q5572SC3311A0A

    1/2W

    R412220

    1%

    R4162.55k

    C58525V100u

    Q4022SC3311A0A

    C567

    50V

    4700p

    D412MAZ30510ML

    Q5582SC3311A0A

    R60550k

    12

    3

    P2

    1

    2

    3

    4

    5

    6

    P7

    1

    2

    3

    4Q552

    B1DEGQ000019 G

    D

    S

    C5711kV100p

    C568

    50V4700p

    TP50

    D578MA3X152K0L

    D593B0HCMM000001

    C574200V1800

    P10 1 2 3 4 5

    R5832.2k

    R6304.7k

    C57850V

    3300p

    P23

    1

    2

    3

    D568B0HFRJ000012

    IC555C0DAAHG00007

    1V

    IN

    2V

    OU

    T

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    R60246.4k

    1/2W

    R600220k

    R41447k

    R6016.8k

    C584

    50V0.01u

    R61310k

    R59010k

    12

    3

    D589

    B0HCMM000001

    R585100

    C57725V2200u

    Q5542SC3311A0A

    D572B0HCMM000001

    P5

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    D410

    B0HCMM000001

    D58

    1M

    A3X

    152K

    0L

    C414

    500V560p

    D583MA3X152K0L

    D596MAZ30510ML

    R62747k

    R61710k

    R554105k

    D660B0HFRJ000012

    D66

    1M

    A3X

    152K

    0L

    R42110k

    R631100k

    C415

    50V4700p

    C57625V2200u

    D571MAZ30560ML

    R62510k

    D586B0HCMM000001

    R42210k

    C5691kV100p

    R42322k

    C41616V

    470u

    1%

    R6122.55k

    D590MA3X152K0L

    D576B0HCMM000001

    C42025V100u

    C42250V

    0.022u

    D594MAZ30560ML

    L554220u

    IC402C0DAEJC00003

    3

    2

    1

    R42547k

    R58847k

    IC557C0DAEJC00003

    3

    2

    1

    1%

    R6062.55k

    R4264.7k

    C41816V

    100u

    Q4012SC3311A0A

    D411B0HCMM000001

    R42447k

    D570B0HARR000009

    D595MA3X152K0L

    C58650V

    0.01u

    C41725V47u

    1%

    R60912.1k

    R5710

    D587B0JCME000025

    R417100k

    P27

    1

    2

    3

    4

    5

    6

    7

    8

    9

    R62068

    C57225V2200u

    1%

    R6352.55k

    C57550V22u

    C5641kV100p

    1%R6103.3k

    R62310k

    R6144.7k

    D567B0HARR000009

    R6086.8k

    IC554C0DAEJC00003

    3

    2

    1

    R4274.7k

    1/2W

    R59422

    C565

    P11

    1

    2

    3

    4

    5

    6

    7

    R607150

    C591

    1kV

    100p

    C58350V

    0.1u

    D573B0HFRJ000012

    D579MA3X152K0L

    D58

    2M

    A3X

    152K

    0L

    C57925V

    220u

    1/2W

    R597220k

    D592B0HCMM000001

    R6151k

    1%

    R60449.9k

    IC403AN7705F

    3

    2

    1

    R593100k

    C5662kV

    1000p

    C41910V

    470u

    R42822k

    C5816.3V1200u

    R61868

    Q4032SC3311A0A

    1%R6111.5k

    D574B0HFRJ000012

    R5966.8k

    Q5532SB0621AWA

    1%R4153.9k

    TP51

    R62610k

    1%

    R5552.49k

    R5994.7k

    D575B0JCME000025

    D585MAZ30560ML

    Q5552SC3311A0A

    R59147k

    D584MA3X152K0L

    1W

    R5922.2k

    R552105k

    R6161k

    1%

    R58949.9k

    1%

    R56112.1k

    R6194.7k

    R6214.7k

    STB7V

    +15Vs

    +15Vs

    GNDs

    GNDs

    FA

    N_C

    ON

    T

    5V

    FA

    N S

    OS

    GN

    D

    DR

    15V

    12V

    12V

    12V

    12V

    +12Vs

    +12Vs

    COM

    OUTIN

    DR15V

    DR15V

    DR15V

    DR15V

    M_POWER

    GNDs

    STB5V

    NC

    GND

    GND

    5V

    GND

    FAN_CONT

    5V

    GND

    GNDs

    GND

    GND

    GND

    GND

    Vda

    Vsus=170V 190V

    Vsus

    PS SOS

    Vda

    STB PS

    GND

    GND

    FAN SOS

    RUSH ON/OFF

    GND

    NC

    NC

    Vsus

    Vsus

    GND

    GND

    Vsus

    Vsus

    GND

    ALL OFF

    TV ON/OFF

    STB5V

    GND

    KILL SOS

    1813 15141210 1611 17

    ERROR

    DETECT

    ERROR

    DETECT

    ERROR

    DETECT

    ERROR

    DETECT

    ERROR

    DETECT

    AVR5V

    AVR5V

    (SC2)

    TOSC-BOARD (SS11)

    TOSS-BOARD

    (SC23)

    TOSC-BOARD

    (PA5)

    TOPA-BOARD

    (D25)

    TOD-BOARD

    (PA7)

    TOPA-BOARD

    (SS12)

    TOSS-BOARD

    (D27)

    TOD-BOARD

    P-BOARD TNPA2841 (2/2)

    2

    3

    1

    9

    10

    19

    8

    18

    15

    20

    13

    17

    5

    12

    16

    14

    21

    6

    4

    11

    7

    #

    #

    #

    #

    #

    M

    #

    +

    =

    #

    #*

    +

    TH-42PA20UPF and P-Board(2of2)Schematic Diagram

    TH-42PA20UPF and P-Board(2of2)Schematic Diagram

    59

  • 14.6. PA-Board Block Diagram

    1 3

    AVR 9V

    IC2304

    IC7505

    1 2

    AVR 2.5V

    IC7503

    1 2

    AVR 5V

    IC7502

    1 2

    AVR 9.2V

    IC7504

    1 2

    AVR 3.3V

    12V

    9V

    Q7501 MAIN 9V

    SUB 9V2

    SUB 5V

    MAIN 3.3V

    MAIN 2.5V

    12V

    9V

    PA6

    1

    13

    3

    14

    16

    19

    18

    20

    L IN

    R IN

    SDA1

    SCL1

    SP MUTE

    RESET

    POFF DEF

    MAIN DEF

    15

    1

    32

    16

    R IN

    SCL1

    SDA1

    L IN 20

    12

    L OUT

    R OUT

    Q2408

    Q2410

    IC2401AUDIO AMP

    Q2402

    Q2403

    18

    18

    IN

    IN OUT+

    12

    13

    OUT-

    OUT+

    12

    13

    OUT-

    1

    4

    3

    PA3

    2

    SP L+

    SP L-

    SP R+

    SP R-

    5

    5

    Q7502

    Q7509 Q7510

    TV ON

    36

    32

    AC ON/OFF

    PA2

    15

    SUB 9V2

    21

    23

    7

    19 SUB 5V

    11

    13 MAIN 3.3V

    MAIN 2.5V

    25

    27

    STB5V

    Q2306

    Q2305

    STB5V

    STB5V

    Q2304

    Q2303

    Q2308

    Q2311

    Q2309

    BEEF

    BEEF17

    17

    25

    25

    AMPSTB SW

    AMPSTB SW

    MUTE

    A MUTE

    TODG6

    DG2TO

    SPEAKERTO

    Q7543 Q7504

    Q7541MAIN5V

    Q7542

    SOS33

    IC2301HP AMP(L)

    IC2302HP AMP(R)

    PA

    SRQ

    8

    2

    6

    ICC

    CO

    NT

    SCL0

    1

    SRQ

    IRQ

    7

    SDA0

    ST

    B5V

    PA24

    12

    SUB3.3V

    SCL3

    1

    RXD

    LOADER

    711

    SDA3

    PA23

    VPP

    SC

    L3

    3

    SRQ

    5

    7

    7

    SDA0

    1

    SCL3

    5

    SDA3

    3

    VPP

    7

    SD

    A1

    1

    ST

    B5V

    TXD

    RXD

    SC

    L2

    SC

    L1

    15

    11

    9

    SCL0

    IRQ

    7

    SC

    L1

    SC

    L2

    5

    SD

    A1

    ICC

    CO

    NT

    10

    RS

    T

    SC

    L1

    5 11

    STB5V

    ICC

    CO

    NT

    SD

    A3

    4

    SC

    L2

    12V

    1

    STB5V

    9

    TXD

    10

    RXD

    SD

    A1

    12V

    5

    STB5V

    4

    TXD

    4

    12V

    2

    STB5V

    1

    TXD

    SC

    L3

    RXD

    ST

    B5V

    12V

    2

    STB5V

    8

    RXD

    8

    PA12

    PA4

    PA21

    6

    IRQ

    RS

    T

    SC

    L2

    PA8

    17

    TXD

    4

    18 SD

    A3

    PA22

    9

    3

    8

    10

    6

    14

    SD

    A1

    SC

    L2

    ST

    B5V

    ICC

    CO

    NT

    RS

    T

    SD

    A3

    6

    IRQ

    SC

    L2

    RS

    T

    3

    SD

    A3

    SC

    L3

    SC

    L2

    SC

    L1

    SC

    L3

    SUB3.3V

    19

    4

    5

    SC

    L2

    SRQ

    SCL0

    SDA0

    SCL3

    SUB3.3V

    SCL3

    SDA3

    SCL0

    SUB3.3V

    SRQ

    VPP

    SDA3

    SDA0

    VPP

    TXD

    RXD

    LOADER

    ICC CONT

    SCL3(PANEL)

    SDA3(PANEL)

    TXD

    LOADER

    RXD

    LOADER

    RXD

    TXD

    ICC CONT

    SCL3(PANEL)

    SDA3(PANEL)

    TO DG8

    Speaker out,Regulator Board

    28 1

    128

    HP IN HP OUT

    HP OUTHP IN

    TO K9

    6

    4

    PA9

    HP L

    HP R

    3 5

    4

    TUNER 30V

    IC7581

    Q7581

    Q7582SUB 9V

    BT 30V1

    Q2312

    Q2310

    1+15Vs

    PA7

    3+15Vs

    TO P7

    PA5TO P5

    1

    4

    8

    2

    7

    12V

    12V

    STB5V

    +12Vs

    +12Vs

    35V

    12V

    STB5V

    TH-42PA20UPA-Board Block Diagram

    TH-42PA20UPA-Board Block Diagram

    60

  • 14.6. PA-Board Block Diagram

    1 3

    AVR 9V

    IC2304

    IC7505

    1 2

    AVR 2.5V

    IC7503

    1 2

    AVR 5V

    IC7502

    1 2

    AVR 9.2V

    IC7504

    1 2

    AVR 3.3V

    12V

    9V

    Q7501 MAIN 9V

    SUB 9V2

    SUB 5V

    MAIN 3.3V

    MAIN 2.5V

    12V

    9V

    PA6

    1

    13

    3

    14

    16

    19

    18

    20

    L IN

    R IN

    SDA1

    SCL1

    SP MUTE

    RESET

    POFF DEF

    MAIN DEF

    15

    1

    32

    16

    R IN

    SCL1

    SDA1

    L IN 20

    12

    L OUT

    R OUT

    Q2408

    Q2410

    IC2401AUDIO AMP

    Q2402

    Q2403

    18

    18

    IN

    IN OUT+

    12

    13

    OUT-

    OUT+

    12

    13

    OUT-

    1

    4

    3

    PA3

    2

    SP L+

    SP L-

    SP R+

    SP R-

    5

    5

    Q7502

    Q7509 Q7510

    TV ON

    36

    32

    AC ON/OFF

    PA2

    15

    SUB 9V2

    21

    23

    7

    19 SUB 5V

    11

    13 MAIN 3.3V

    MAIN 2.5V

    25

    27

    STB5V

    Q2306

    Q2305

    STB5V

    STB5V

    Q2304

    Q2303

    Q2308

    Q2311

    Q2309

    BEEF

    BEEF17

    17

    25

    25

    AMPSTB SW

    AMPSTB SW

    MUTE

    A MUTE

    TODG6

    DG2TO

    SPEAKERTO

    Q7543 Q7504

    Q7541MAIN5V

    Q7542

    SOS33

    IC2301HP AMP(L)

    IC2302HP AMP(R)

    PA

    SRQ

    8

    2

    6

    ICC

    CO

    NT

    SCL0

    1

    SRQ

    IRQ

    7

    SDA0

    ST

    B5V

    PA24

    12

    SUB3.3V

    SCL3

    1

    RXD

    LOADER

    711

    SDA3

    PA23

    VPP

    SC

    L3

    3

    SRQ

    5

    7

    7

    SDA0

    1

    SCL3

    5

    SDA3

    3

    VPP

    7

    SD

    A1

    1

    ST

    B5V

    TXD

    RXD

    SC

    L2

    SC

    L1

    15

    11

    9

    SCL0

    IRQ

    7

    SC

    L1

    SC

    L2

    5

    SD

    A1

    ICC

    CO

    NT

    10

    RS

    T

    SC

    L1

    5 11

    STB5V

    ICC

    CO

    NT

    SD

    A3

    4

    SC

    L2

    12V

    1

    STB5V

    9

    TXD

    10

    RXD

    SD

    A1

    12V

    5

    STB5V

    4

    TXD

    4

    12V

    2

    STB5V

    1

    TXD

    SC

    L3

    RXD

    ST

    B5V

    12V

    2

    STB5V

    8

    RXD

    8

    PA12

    PA4

    PA21

    6

    IRQ

    RS

    T

    SC

    L2

    PA8

    17

    TXD

    4

    18 SD

    A3

    PA22

    9

    3

    8

    10

    6

    14

    SD

    A1

    SC

    L2

    ST

    B5V

    ICC

    CO

    NT

    RS

    T

    SD

    A3

    6

    IRQ

    SC

    L2

    RS

    T

    3

    SD

    A3

    SC

    L3

    SC

    L2

    SC

    L1

    SC

    L3

    SUB3.3V

    19

    4

    5

    SC

    L2

    SRQ

    SCL0

    SDA0

    SCL3

    SUB3.3V

    SCL3

    SDA3

    SCL0

    SUB3.3V

    SRQ

    VPP

    SDA3

    SDA0

    VPP

    TXD

    RXD

    LOADER

    ICC CONT

    SCL3(PANEL)

    SDA3(PANEL)

    TXD

    LOADER

    RXD

    LOADER

    RXD

    TXD

    ICC CONT

    SCL3(PANEL)

    SDA3(PANEL)

    TO DG8

    Speaker out,Regulator Board

    28 1

    128

    HP IN HP OUT

    HP OUTHP IN

    TO K9

    6

    4

    PA9

    HP L

    HP R

    3 5

    4

    TUNER 30V

    IC7581

    Q7581

    Q7582SUB 9V

    BT 30V1

    Q2312

    Q2310

    1+15Vs

    PA7

    3+15Vs

    TO P7

    PA5TO P5

    1

    4

    8

    2

    7

    12V

    12V

    STB5V

    +12Vs

    +12Vs

    35V

    12V

    STB5V

    TH-42PA20UPA-Board Block Diagram

    TH-42PA20UPA-Board Block Diagram

    60

  • 14.7. PA-Board (1 of 3) Schematic Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    + +

    +

    +

    +

    +12Vs +9V

    +9V

    +9V

    +9V

    STB5V

    R24450

    Q23032SD0601A0L

    Q24102SD0601A0L

    R24

    684.

    7k

    1%

    R246018k

    C242650V

    0.015u

    PA5

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    C24

    6050

    V0.

    047u

    R24481k

    R2377470

    R24344.7k

    R24

    6722

    0k

    D23

    12M

    A3X

    152K

    0L

    R2371180k

    C24

    5425

    V4.

    7u

    R237622k

    D2310MA3X152K0L

    C241350V47u

    R2374100k

    R24801k

    R24

    6610

    0k

    C248450V

    0.01u

    *JS2301

    1/2W

    R2494820

    C246716V1u

    *D2316B0JCME000025

    R248433k

    R244112k

    R245610k

    R2378100k

    R237510k

    C244216V

    0.22u

    C242716V10u

    JS2107

    C242350V

    0.01u

    L2306ELJPA100KF

    C243550V

    0.01u

    C238216V100u

    R248115k

    R24

    7722

    R24831k

    D2311MA3X152K0L

    C243616V1u

    R234712k

    1%

    R246315k

    Q23052SD0601A0L

    R24724.7k

    C24

    51

    25V

    4.7u

    Q23042SD0601A0L

    C241916V 10u

    R23735.6k

    R2464100

    C246616V1u

    Q23062SD0601A0L

    R24711.8k

    C238150V10u

    R245310k

    C24

    6350

    V0.

    047u

    C243716V100u

    C243150V

    0.01u

    R24731.8k

    C24

    5016

    V10

    u

    R2470

    4.7k

    *C24

    5850

    V10

    00p

    PA6

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    18

    19

    20

    R234612k

    R234810k

    IC2401C1BA00000302

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1617181920212223242526272829303132

    JS2106

    R237222k

    *JS2308

    JS2304

    R243112k

    C248016V

    0.22u

    R2462100

    Q24082SD0601A0L

    C24

    3816

    V10

    0u

    R248215k

    R245247k

    C24

    5250

    V56

    00p

    *JS2307

    D2313MA3X152K0L

    R2438100

    C24

    5916

    V1u

    R24

    7622

    C241416V47u

    R24

    6910

    0k

    *C24

    6150

    V10

    00p

    AN7709SP-E1

    IC2304

    OUT 3

    2COMMON

    IN1

    C243450V

    0.022u

    R2461100 C

    2453

    50V

    0.1u

    C244116V

    4.7u

    C242916V

    100u

    R24400

    C243350V

    0.039u

    R245733k

    C24

    5725

    V4.

    7u

    R245056k

    Q23082SD0601A0L

    C244016V

    4.7u

    Q24062SD0601A0L R2439

    56k

    NC

    GND

    GND

    5V

    STB5V

    +12Vs

    12V

    12V

    GNDs

    GNDs

    +12Vs

    DR15V

    STB5V

    SCL1

    STB5V

    GND

    SP_MUTE

    MAIN_DEF

    (AMUTE)

    SUBMUTE

    MAIN_DEF

    R_IN

    L_IN

    POFF_DEF

    SDA1

    SCL1

    SDA1

    GND

    POFF-DEF

    RESET

    SUBVOL

    SUBMONO

    GND

    GND

    GND

    GND

    RESET

    100Hz LPF

    LB

    L_IN VC

    C

    AG

    C_A

    DJ(

    4.2V

    )C

    _IN

    AD

    D

    B_I

    N LT

    B_G

    AIN

    MS

    _IN

    ST

    T

    RT

    R_I

    N

    A_G

    ND

    LS1

    LS2

    ST

    B

    PS

    V_R

    EF

    S_O

    UT

    L_O

    UT

    C_O

    UT

    CT

    CB

    PO

    RT

    SC

    V

    SR

    V

    SLV

    RB

    R_O

    UT

    SC

    L

    SD

    A

    MUTE

    4

    A

    D

    3 6 721 85

    C

    E

    B

    PA-BOARD TXNPA1QCSU(1/3) P-BOARDTO(P5)

    R AMP

    POWER ON MUTEPOWER ON MUTE

    MAIN DEF

    RESET

    RESET

    AUDIO AMP

    AVR 9V

    L AMP

    DG-BOARD(DG6)

    TO

    1

    2

    3

    4

    5

    6

    7

    8

    9

    TH-42PA20UPA-Board(1of3)Schematic Diagram

    TH-42PA20UPA-Board(1of3)Schematic Diagram

    61

  • 14.7. PA-Board (1 of 3) Schematic Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    + +

    +

    +

    +

    +12Vs +9V

    +9V

    +9V

    +9V

    STB5V

    R24450

    Q23032SD0601A0L

    Q24102SD0601A0L

    R24

    684.

    7k

    1%

    R246018k

    C242650V

    0.015u

    PA5

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    C24

    6050

    V0.

    047u

    R24481k

    R2377470

    R24344.7k

    R24

    6722

    0k

    D23

    12M

    A3X

    152K

    0L

    R2371180k

    C24

    5425

    V4.

    7u

    R237622k

    D2310MA3X152K0L

    C241350V47u

    R2374100k

    R24801k

    R24

    6610

    0k

    C248450V

    0.01u

    *JS2301

    1/2W

    R2494820

    C246716V1u

    *D2316B0JCME000025

    R248433k

    R244112k

    R245610k

    R2378100k

    R237510k

    C244216V

    0.22u

    C242716V10u

    JS2107

    C242350V

    0.01u

    L2306ELJPA100KF

    C243550V

    0.01u

    C238216V100u

    R248115k

    R24

    7722

    R24831k

    D2311MA3X152K0L

    C243616V1u

    R234712k

    1%

    R246315k

    Q23052SD0601A0L

    R24724.7k

    C24

    51

    25V

    4.7u

    Q23042SD0601A0L

    C241916V 10u

    R23735.6k

    R2464100

    C246616V1u

    Q23062SD0601A0L

    R24711.8k

    C238150V10u

    R245310k

    C24

    6350

    V0.

    047u

    C243716V100u

    C243150V

    0.01u

    R24731.8k

    C24

    5016

    V10

    u

    R2470

    4.7k

    *C24

    5850

    V10

    00p

    PA6

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    18

    19

    20

    R234612k

    R234810k

    IC2401C1BA00000302

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1617181920212223242526272829303132

    JS2106

    R237222k

    *JS2308

    JS2304

    R243112k

    C248016V

    0.22u

    R2462100

    Q24082SD0601A0L

    C24

    3816

    V10

    0u

    R248215k

    R245247k

    C24

    5250

    V56

    00p

    *JS2307

    D2313MA3X152K0L

    R2438100

    C24

    5916

    V1u

    R24

    7622

    C241416V47u

    R24

    6910

    0k

    *C24

    6150

    V10

    00p

    AN7709SP-E1

    IC2304

    OUT 3

    2COMMON

    IN1

    C243450V

    0.022u

    R2461100 C

    2453

    50V

    0.1u

    C244116V

    4.7u

    C242916V

    100u

    R24400

    C243350V

    0.039u

    R245733k

    C24

    5725

    V4.

    7u

    R245056k

    Q23082SD0601A0L

    C244016V

    4.7u

    Q24062SD0601A0L R2439

    56k

    NC

    GND

    GND

    5V

    STB5V

    +12Vs

    12V

    12V

    GNDs

    GNDs

    +12Vs

    DR15V

    STB5V

    SCL1

    STB5V

    GND

    SP_MUTE

    MAIN_DEF

    (AMUTE)

    SUBMUTE

    MAIN_DEF

    R_IN

    L_IN

    POFF_DEF

    SDA1

    SCL1

    SDA1

    GND

    POFF-DEF

    RESET

    SUBVOL

    SUBMONO

    GND

    GND

    GND

    GND

    RESET

    100Hz LPF

    LB

    L_IN VC

    C

    AG

    C_A

    DJ(

    4.2V

    )C

    _IN

    AD

    D

    B_I

    N LT

    B_G

    AIN

    MS

    _IN

    ST

    T

    RT

    R_I

    N

    A_G

    ND

    LS1

    LS2

    ST

    B

    PS

    V_R

    EF

    S_O

    UT

    L_O

    UT

    C_O

    UT

    CT

    CB

    PO

    RT

    SC

    V

    SR

    V

    SLV

    RB

    R_O

    UT

    SC

    L

    SD

    A

    MUTE

    4

    A

    D

    3 6 721 85

    C

    E

    B

    PA-BOARD TXNPA1QCSU(1/3) P-BOARDTO(P5)

    R AMP

    POWER ON MUTEPOWER ON MUTE

    MAIN DEF

    RESET

    RESET

    AUDIO AMP

    AVR 9V

    L AMP

    DG-BOARD(DG6)

    TO

    1

    2

    3

    4

    5

    6

    7

    8

    9

    TH-42PA20UPA-Board(1of3)Schematic Diagram

    TH-42PA20UPA-Board(1of3)Schematic Diagram

    61

  • 14.8. PA-Board (2 of 3) Schematic Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    ThermalPad

    +

    +

    +

    +

    +

    +

    +

    ThermalPad++

    +

    +

    +

    MAIN9VSUB9V2

    SUB5V

    +9V

    +12Vs

    D2301B0JCME000025

    C233050V

    0.1u

    R2406560

    D2302B0JCME000025

    R2307270

    D7507MA2Q73700L

    1%

    R7503806

    Q23112SD0601A0L

    L2302220uH

    *R23990

    R23861k

    R7543

    1k

    C230535V 47u

    D7541MA2J11100L

    *L2304B0JAME000062

    L7507G0C101K00023

    C2323

    50V1000p

    Q7504UNR221400L

    *C233225V

    0.1u

    *C231735V

    220u

    Q75432SB0709A0L

    R23901k

    *JS7525

    1%

    R7507806

    R23061.2k

    R2387560

    D7538MA2J11100L

    C230635V47u

    Q23102SD0601A0L

    R75062.2k

    D7537MA2J11100L

    C751225V470u

    *R2301100k

    C233425V

    470u *PA9

    1

    2

    3

    4

    5

    6

    R2401

    10k

    C232525V

    470u

    R2402

    10k

    D7545MA2J11100L

    C230916V

    2.2u

    IC7503C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    C232150V

    2.2u

    Q23092SD0601A0L

    Q75422SB0709A0L

    R7542470

    C2324

    50V

    1000p

    1/2W

    R23162.2 D7508

    MAZ20680A0LS

    C232750V

    0.1u

    C232950V

    0.1u

    C242216V

    4.7u

    R7549100k

    C754216V

    0.1u

    R2308270

    Q23122SD0601A0L

    L7505100u

    *C230216V 1u

    C753216V330u

    1/2W

    R23112.2

    C231150V

    6800p

    D7547MA2J11100LC7541

    16V

    0.1u

    L7508100u

    TPB7508

    Q23022SD1266AQ0LB

    *C230316V1u

    *C233716V

    100u

    C750950V10u

    D7542MA2J11100L

    C235216V100u

    1%

    R75081.87k

    C751350V

    0.01u

    1/2W

    *R231010

    Q75442SD0601A0L

    R75442.2k

    *PA7

    1

    2

    3

    4

    D7504MA2Q73700L

    R239222k

    R7525

    4.7kR7532

    470

    C753616V

    0.47u

    *C233816V

    100u

    R75482.2k

    C231016V

    2.2u

    C754316V

    0.1u

    C230850V4.7u

    *R239410k

    1/2W

    *R230910

    *L2303B0JAME000062

    *C231650V

    0.047u

    *R75471k

    *R239522k

    Q24022SD0601A0L

    R7536470

    *C753116V

    470u

    *JS7528

    Q24032SD0601A0L

    C1BA00000309IC2301

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    1415

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    27

    28

    R23180

    *R23970

    1/2WR2315

    2.2

    R750522k

    *R2303100

    R753710k

    *R2302100k

    1%

    R75452.2k

    *C230116V1u

    C233325V

    470u

    C240150V0.01u

    C757050V

    0.01u

    R7539

    2.2k

    C751125V470u

    C753716V

    0.47u

    C750625V

    470u

    R239110k

    L2301220uH

    1/2W

    R23132.2

    *C233125V0.1u

    *R2396

    0

    D7540MAZ30390HL

    *R7533470

    R75404.7k

    R7588

    0

    C231450V

    2.2u

    C231250V

    6800p

    D7544MA2J11100L

    1/2W

    R23142.2

    1%

    R75462.2k

    *C231550V

    0.047u

    Q7501B1DHDD000013

    R7535220

    C233950V10u

    C230750V

    4.7u

    *D7539MAZ30620HL

    R2405560

    D7549MA2J11100L

    R23981k

    L7504G0C101K00023

    C2322

    50V2.2u

    *C231835V220u

    R2320 0

    PA3

    1

    2

    3

    4

    R2389560

    R23190

    L750633u

    R23170

    C241716V4.7u

    C754416V

    0.1u

    1%

    R75043.92k

    D7546MA3X152E0L

    R75264.7k

    C1BA00000309

    IC2302

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    1415

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    27

    28

    *C234416V220u

    R2404

    10k

    C234250V10u

    1%

    *R75598.2k

    R23930

    R75274.7k

    Q23012SD1266AQ0LB

    *R2304100

    L750933u

    Q75412SB0709A0L

    R7538

    10k

    TPB7502

    IC7502C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    D7505MAZ21200A0LS

    *C230416V

    1u

    Q7502UNR221400L

    TPB7503

    R2305

    1.2kC7505

    25V

    470u

    1/2W

    R23122.2

    R2403

    10k

    *R75290

    C231350V2.2u

    R7541

    2.2k

    C232850V

    0.1u

    C232625V470u

    *A1-A1

    TWE3201110YY

    HP-SUB

    GNDs

    +15Vs

    R

    L

    GND

    GND

    HP-R

    GND

    HP-L

    SP_L-

    SP-L+

    SP_R-

    SP_R+

    AMP

    FILTERLIPPLE

    STB SWH/P

    HP IN

    STB SWSW REG.PART

    POWER GND

    POWER GND

    BEEP

    IN

    HLS

    NC

    PRE GND

    NC

    ON TIME

    NC

    NC

    NC

    FILTERLIPPLE

    HP OUT

    6dB

    SW GND

    OUT-

    OUT+

    POWER GND

    SW

    Vcc

    Vcc(SW)OUTSWESWBSW

    6dB

    HP OUT

    LIPPLEFILTER

    NC

    HP IN

    SW REG.PART

    NC

    SW GND

    SWBSWESW

    OUTVcc(SW)

    Vcc

    NC

    ON TIME

    NC

    PRE GND

    NC

    HLSSW

    H/PSTB SW

    LIPPLEFILTER

    STB SWAMP

    IN

    POWER GND

    BEEP

    OUT+

    OUT-

    POWER GND

    POWER GND

    SI-8015JF

    SI-8015JF

    +15Vs

    GNDs

    L2303

    L2304

    11 12 14139 108 15

    SUB 5V

    SUB 9.2V

    SP AMP

    SP AMP

    SP ON/OFF

    SP ON/OFF

    TO

    P-BOARD

    SPEAKER

    (P7)

    TO

    (SP-R & SP-L)

    TV ON/OFF

    TV ON/OFF

    ERROR DET ERROR DET

    ERROR DET

    ERROR DET

    SP MUTEAUDIO MUTE

    AUDIO MUTE

    L AMP

    R AMP

    ERROR DET

    5

    6

    4

    2

    3

    1 11

    12

    8

    9

    7

    17

    18

    16

    19

    14

    15

    13

    20

    21

    K-BOARD(K9)

    TO

    PA-BOARD TXNPA1QCSU(2/3)

    TH-42PA20UPA-Board(2of3)Schematic Diagram

    TH-42PA20UPA-Board(2of3)Schematic Diagram

    62

  • 14.8. PA-Board (2 of 3) Schematic Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    +

    ThermalPad

    +

    +

    +

    +

    +

    +

    +

    ThermalPad++

    +

    +

    +

    MAIN9VSUB9V2

    SUB5V

    +9V

    +12Vs

    D2301B0JCME000025

    C233050V

    0.1u

    R2406560

    D2302B0JCME000025

    R2307270

    D7507MA2Q73700L

    1%

    R7503806

    Q23112SD0601A0L

    L2302220uH

    *R23990

    R23861k

    R7543

    1k

    C230535V 47u

    D7541MA2J11100L

    *L2304B0JAME000062

    L7507G0C101K00023

    C2323

    50V1000p

    Q7504UNR221400L

    *C233225V

    0.1u

    *C231735V

    220u

    Q75432SB0709A0L

    R23901k

    *JS7525

    1%

    R7507806

    R23061.2k

    R2387560

    D7538MA2J11100L

    C230635V47u

    Q23102SD0601A0L

    R75062.2k

    D7537MA2J11100L

    C751225V470u

    *R2301100k

    C233425V

    470u *PA9

    1

    2

    3

    4

    5

    6

    R2401

    10k

    C232525V

    470u

    R2402

    10k

    D7545MA2J11100L

    C230916V

    2.2u

    IC7503C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    C232150V

    2.2u

    Q23092SD0601A0L

    Q75422SB0709A0L

    R7542470

    C2324

    50V

    1000p

    1/2W

    R23162.2 D7508

    MAZ20680A0LS

    C232750V

    0.1u

    C232950V

    0.1u

    C242216V

    4.7u

    R7549100k

    C754216V

    0.1u

    R2308270

    Q23122SD0601A0L

    L7505100u

    *C230216V 1u

    C753216V330u

    1/2W

    R23112.2

    C231150V

    6800p

    D7547MA2J11100LC7541

    16V

    0.1u

    L7508100u

    TPB7508

    Q23022SD1266AQ0LB

    *C230316V1u

    *C233716V

    100u

    C750950V10u

    D7542MA2J11100L

    C235216V100u

    1%

    R75081.87k

    C751350V

    0.01u

    1/2W

    *R231010

    Q75442SD0601A0L

    R75442.2k

    *PA7

    1

    2

    3

    4

    D7504MA2Q73700L

    R239222k

    R7525

    4.7kR7532

    470

    C753616V

    0.47u

    *C233816V

    100u

    R75482.2k

    C231016V

    2.2u

    C754316V

    0.1u

    C230850V4.7u

    *R239410k

    1/2W

    *R230910

    *L2303B0JAME000062

    *C231650V

    0.047u

    *R75471k

    *R239522k

    Q24022SD0601A0L

    R7536470

    *C753116V

    470u

    *JS7528

    Q24032SD0601A0L

    C1BA00000309IC2301

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    1415

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    27

    28

    R23180

    *R23970

    1/2WR2315

    2.2

    R750522k

    *R2303100

    R753710k

    *R2302100k

    1%

    R75452.2k

    *C230116V1u

    C233325V

    470u

    C240150V0.01u

    C757050V

    0.01u

    R7539

    2.2k

    C751125V470u

    C753716V

    0.47u

    C750625V

    470u

    R239110k

    L2301220uH

    1/2W

    R23132.2

    *C233125V0.1u

    *R2396

    0

    D7540MAZ30390HL

    *R7533470

    R75404.7k

    R7588

    0

    C231450V

    2.2u

    C231250V

    6800p

    D7544MA2J11100L

    1/2W

    R23142.2

    1%

    R75462.2k

    *C231550V

    0.047u

    Q7501B1DHDD000013

    R7535220

    C233950V10u

    C230750V

    4.7u

    *D7539MAZ30620HL

    R2405560

    D7549MA2J11100L

    R23981k

    L7504G0C101K00023

    C2322

    50V2.2u

    *C231835V220u

    R2320 0

    PA3

    1

    2

    3

    4

    R2389560

    R23190

    L750633u

    R23170

    C241716V4.7u

    C754416V

    0.1u

    1%

    R75043.92k

    D7546MA3X152E0L

    R75264.7k

    C1BA00000309

    IC2302

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    1415

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    27

    28

    *C234416V220u

    R2404

    10k

    C234250V10u

    1%

    *R75598.2k

    R23930

    R75274.7k

    Q23012SD1266AQ0LB

    *R2304100

    L750933u

    Q75412SB0709A0L

    R7538

    10k

    TPB7502

    IC7502C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    D7505MAZ21200A0LS

    *C230416V

    1u

    Q7502UNR221400L

    TPB7503

    R2305

    1.2kC7505

    25V

    470u

    1/2W

    R23122.2

    R2403

    10k

    *R75290

    C231350V2.2u

    R7541

    2.2k

    C232850V

    0.1u

    C232625V470u

    *A1-A1

    TWE3201110YY

    HP-SUB

    GNDs

    +15Vs

    R

    L

    GND

    GND

    HP-R

    GND

    HP-L

    SP_L-

    SP-L+

    SP_R-

    SP_R+

    AMP

    FILTERLIPPLE

    STB SWH/P

    HP IN

    STB SWSW REG.PART

    POWER GND

    POWER GND

    BEEP

    IN

    HLS

    NC

    PRE GND

    NC

    ON TIME

    NC

    NC

    NC

    FILTERLIPPLE

    HP OUT

    6dB

    SW GND

    OUT-

    OUT+

    POWER GND

    SW

    Vcc

    Vcc(SW)OUTSWESWBSW

    6dB

    HP OUT

    LIPPLEFILTER

    NC

    HP IN

    SW REG.PART

    NC

    SW GND

    SWBSWESW

    OUTVcc(SW)

    Vcc

    NC

    ON TIME

    NC

    PRE GND

    NC

    HLSSW

    H/PSTB SW

    LIPPLEFILTER

    STB SWAMP

    IN

    POWER GND

    BEEP

    OUT+

    OUT-

    POWER GND

    POWER GND

    SI-8015JF

    SI-8015JF

    +15Vs

    GNDs

    L2303

    L2304

    11 12 14139 108 15

    SUB 5V

    SUB 9.2V

    SP AMP

    SP AMP

    SP ON/OFF

    SP ON/OFF

    TO

    P-BOARD

    SPEAKER

    (P7)

    TO

    (SP-R & SP-L)

    TV ON/OFF

    TV ON/OFF

    ERROR DET ERROR DET

    ERROR DET

    ERROR DET

    SP MUTEAUDIO MUTE

    AUDIO MUTE

    L AMP

    R AMP

    ERROR DET

    5

    6

    4

    2

    3

    1 11

    12

    8

    9

    7

    17

    18

    16

    19

    14

    15

    13

    20

    21

    K-BOARD(K9)

    TO

    PA-BOARD TXNPA1QCSU(2/3)

    TH-42PA20UPA-Board(2of3)Schematic Diagram

    TH-42PA20UPA-Board(2of3)Schematic Diagram

    62

  • 14.9. PA-Board (3 of 3) Schematic Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    +

    MAIN3.3V

    SUB2.5V

    TPB7505

    TPB7519

    C752216V820u

    *JS2101

    *PA8

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    18

    19

    20

    TPB7506

    R7522

    0

    C751716V820u

    TPB7515

    JK7006

    K4ZZ01000121

    R75201k

    D7515MA2Q73700L

    D7512MA2Q73700L

    *PA23

    1

    2

    3

    4

    5

    6

    7

    8

    1%

    R7509806

    R7590

    0

    L7513G0C101K00023

    C758550V10u

    *PA24

    1

    2

    3

    4

    5

    6

    7

    *L751222u

    TPB7518

    L7510G0C101K00023

    TPB7516

    PA22

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    PA21

    1

    2

    3

    4

    5

    6

    7

    R751822k

    JK7003K4ZZ01000121

    1%

    *R75101.87k

    C758350V

    0.1u

    PA12

    1

    2

    3

    4

    5

    6

    7

    C758450V

    270p

    IC7505C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    PA2

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    27

    28

    29

    30

    31

    32

    33

    34

    35

    36

    37

    38

    39

    40

    TPB7513

    R75230

    C751625V470u

    PA4

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    1%

    R75861.37k

    L7514100u

    D7582MA3X78900L

    L7511100u

    C751850V

    0.01u

    L758133u

    L7582G1C101M00018

    *C753316V470u

    *C751516V

    470u

    D7581MA2J11100L

    D7513MAZ20510A0LS

    R759156k

    TPB7504

    TPB7509

    1%

    R7511806

    1%

    R758582k

    *C757316V1u

    *C753416V

    470u

    C758150V

    4.7u

    C752350V

    0.01u

    *D7511MAZ20680A0LS

    TPB7517

    Q75092SD0601A0L

    R751912k

    C7521

    25V

    470u

    Q7582B1ABPF000005

    JK7002

    K4ZZ01000121

    TPB7501

    R75845.1k

    1%

    R7512604

    Q7581UNR521100L

    C758216V

    0.22u

    R75831k

    JK7004

    TJC6137

    *IC7504C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    L751522u

    IC7581C0DBAMA00014

    1 EaIn

    2 SCP

    3 VCC

    4 BR/CTL 5Out

    6GND

    7OSC

    8FB

    Q7510UNR221400L

    JK7001

    K4ZZ01000121

    TPB7511

    NR14V/MAIN**V

    SUB3.3V

    SUB3.3V

    LOADER_IN_SEL

    MAIN2.5V

    GND

    TXD

    RXD

    GND

    LOADER_IN_SEL

    GND

    STB5V

    SRQ

    SCL3

    SDA3

    VPP

    SCL3(PANEL)

    SDA3(PANEL)

    SRQ

    GND

    SCL0

    SDA0

    SRQ

    GND

    SCL0

    SDA0

    SCL3

    SDA3

    VPP

    RXD

    TXD

    GND

    12V

    STB5V

    GND

    IIC_CONT

    SDA3

    SCL3

    SCL1

    SDA2

    SCL2

    SDA1

    GND

    STB5V

    GND

    RST

    IRQ

    TVON

    SUB9V2

    ODU11/15V

    SUB5V

    SUB5V

    MAIN9V

    MAIN3.3V

    SUB5V

    BT30V

    SUB-9V2

    SI-8015JF

    SI-8015JF

    GND

    FAN+B

    GND

    TX

    RX

    GND

    GND

    IIC_CONT

    BT30V

    (5VD1)

    (5VD1)

    (5VD2)

    SUB5V&5VA1

    (UNREG7V)

    MAIN5V

    (MAIN5V)

    NR12V

    GND

    GND

    GND

    SUB9V

    SUB9V

    MAIN2.5V

    GND

    MAIN2.5V

    (MAIN5V)

    TVON

    AC_ON/OFF

    SOS

    FANONOFF

    FANMax/Min

    FANSOS

    (ODU11/15V)

    (ODUONOFF)

    GND

    MAIN9V

    GND

    GND

    GND

    GND

    GND

    GND

    GND

    GND

    GND

    MAIN5V

    SUB5V&5VA1

    TODG-BOARD(DG2)

    MAIN 3.3V

    MAIN 2.5V

    TV ON/OFF

    TV ON/OFF

    TUNER 30V

    BT30V CTLBT30V

    (DG8)

    (D4)

    D-BOARD

    DG-BOARD

    D-BOARD

    TO

    TO

    TO

    (D12)

    19 2220 211816 17

    21

    20

    18

    16

    19

    14

    15

    17

    12

    11

    13

    PA-BOARD TXNPA1QCSU(3/3)

    TH-42PA20UPA-Board(3of3)Schematic Diagram

    TH-42PA20UPA-Board(3of3)Schematic Diagram

    63

  • 14.9. PA-Board (3 of 3) Schematic Diagram

    +

    +

    +

    +

    +

    +

    +

    +

    +

    MAIN3.3V

    SUB2.5V

    TPB7505

    TPB7519

    C752216V820u

    *JS2101

    *PA8

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    18

    19

    20

    TPB7506

    R7522

    0

    C751716V820u

    TPB7515

    JK7006

    K4ZZ01000121

    R75201k

    D7515MA2Q73700L

    D7512MA2Q73700L

    *PA23

    1

    2

    3

    4

    5

    6

    7

    8

    1%

    R7509806

    R7590

    0

    L7513G0C101K00023

    C758550V10u

    *PA24

    1

    2

    3

    4

    5

    6

    7

    *L751222u

    TPB7518

    L7510G0C101K00023

    TPB7516

    PA22

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    PA21

    1

    2

    3

    4

    5

    6

    7

    R751822k

    JK7003K4ZZ01000121

    1%

    *R75101.87k

    C758350V

    0.1u

    PA12

    1

    2

    3

    4

    5

    6

    7

    C758450V

    270p

    IC7505C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    PA2

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    27

    28

    29

    30

    31

    32

    33

    34

    35

    36

    37

    38

    39

    40

    TPB7513

    R75230

    C751625V470u

    PA4

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    1%

    R75861.37k

    L7514100u

    D7582MA3X78900L

    L7511100u

    C751850V

    0.01u

    L758133u

    L7582G1C101M00018

    *C753316V470u

    *C751516V

    470u

    D7581MA2J11100L

    D7513MAZ20510A0LS

    R759156k

    TPB7504

    TPB7509

    1%

    R7511806

    1%

    R758582k

    *C757316V1u

    *C753416V

    470u

    C758150V

    4.7u

    C752350V

    0.01u

    *D7511MAZ20680A0LS

    TPB7517

    Q75092SD0601A0L

    R751912k

    C7521

    25V

    470u

    Q7582B1ABPF000005

    JK7002

    K4ZZ01000121

    TPB7501

    R75845.1k

    1%

    R7512604

    Q7581UNR521100L

    C758216V

    0.22u

    R75831k

    JK7004

    TJC6137

    *IC7504C0DAAZG00006

    1V

    IN

    2S

    W o

    ut

    3G

    ND

    4V

    O S

    5O

    N/O

    FF

    L751522u

    IC7581C0DBAMA00014

    1 EaIn

    2 SCP

    3 VCC

    4 BR/CTL 5Out

    6GND

    7OSC

    8FB

    Q7510UNR221400L

    JK7001

    K4ZZ01000121

    TPB7511

    NR14V/MAIN**V

    SUB3.3V

    SUB3.3V

    LOADER_IN_SEL

    MAIN2.5V

    GND

    TXD

    RXD

    GND

    LOADER_IN_SEL

    GND

    STB5V

    SRQ

    SCL3

    SDA3

    VPP

    SCL3(PANEL)

    SDA3(PANEL)

    SRQ

    GND

    SCL0

    SDA0

    SRQ

    GND

    SCL0

    SDA0

    SCL3

    SDA3

    VPP

    RXD

    TXD

    GND

    12V

    STB5V

    GND

    IIC_CONT

    SDA3

    SCL3

    SCL1

    SDA2

    SCL2

    SDA1

    GND

    STB5V

    GND

    RST

    IRQ

    TVON

    SUB9V2

    ODU11/15V

    SUB5V

    SUB5V

    MAIN9V

    MAIN3.3V

    SUB5V

    BT30V

    SUB-9V2

    SI-8015JF

    SI-8015JF

    GND

    FAN+B

    GND

    TX

    RX

    GND

    GND

    IIC_CONT

    BT30V

    (5VD1)

    (5VD1)

    (5VD2)

    SUB5V&5VA1

    (UNREG7V)

    MAIN5V

    (MAIN5V)

    NR12V

    GND

    GND

    GND

    SUB9V

    SUB9V

    MAIN2.5V

    GND

    MAIN2.5V

    (MAIN5V)

    TVON

    AC_ON/OFF

    SOS

    FANONOFF

    FANMax/Min

    FANSOS

    (ODU11/15V)

    (ODUONOFF)

    GND

    MAIN9V

    GND

    GND

    GND

    GND

    GND

    GND

    GND

    GND

    GND

    MAIN5V

    SUB5V&5VA1

    TODG-BOARD(DG2)

    MAIN 3.3V

    MAIN 2.5V

    TV ON/OFF

    TV ON/OFF

    TUNER 30V

    BT30V CTLBT30V

    (DG8)

    (D4)

    D-BOARD

    DG-BOARD

    D-BOARD

    TO

    TO

    TO

    (D12)

    19 2220 211816 17

    21

    20

    18

    16

    19

    14

    15

    17

    12

    11

    13

    PA-BOARD TXNPA1QCSU(3/3)

    TH-42PA20UPA-Board(3of3)Schematic Diagram

    TH-42PA20UPA-Board(3of3)Schematic Diagram

    63

  • 14.10. H, TA and TB-Board Block Diagram

    16

    58

    MTS

    LOUT

    SUB Y

    COUT1

    5

    SCL

    8

    H1

    AFC1

    SUB PB

    VIDEO

    56

    23

    18

    ROUT1

    MAIN Y

    Y

    ROUT

    SDA

    TO DG1

    LOUT1

    AFC1

    11

    AFC2

    VYOUT1

    H

    10

    H

    37

    SWITCH

    L

    39

    IC4202

    L

    SCL2

    COUT2

    PROHIBIT

    S_CLOCK

    VYOUT2

    GEQ ON

    SD

    L AMP

    5

    49

    18

    THROUGH

    IN

    Q4306

    8

    VOUT

    PROHIBIT

    SD Y

    R AMP

    33

    5

    3

    TNR251

    Q4305

    12

    2nd TUNER

    SCL

    5

    L

    6

    34

    SD C

    -

    T21

    13

    SDA

    JPEG C

    S_CLOCK

    T22

    V1

    3

    TNR201

    L1

    3

    JPEG Y

    16

    1R1

    15

    9

    112

    SDA2

    +

    19

    S_DATA

    S1

    4

    19

    Q4303

    R

    AV1

    C1

    1st TUNER

    8

    21

    MONITOR

    -

    L

    1

    Y1

    1

    VIDEO OUT17

    TV2V

    7

    7

    IN

    T11

    V1

    8

    2

    L1

    18

    +

    Y2

    IC4301

    Y2

    AFC2

    R1

    L2

    5

    12

    T12

    TV1

    V2

    4

    PR1

    AV2

    VAO

    63

    S2

    59

    PB1

    R2

    66

    IC4204

    7

    R2

    46

    61

    Y1

    IN

    S_DATA

    7

    64

    C2

    41

    26

    PB2

    S2

    AUDIO

    67

    L2

    YOUT1

    OUT

    R2

    TB

    C2

    57

    SUB

    8

    MAIN

    ROUT1

    PR2

    3

    Y2

    59

    OUT

    MAIN

    Y2

    S1

    V2

    YPbPr SELECT

    1

    OUT

    OUT

    L2

    C1

    3

    9

    IC4302

    MONI.

    43

    79

    28

    L3

    VY2

    4

    PBOUT1

    R1

    7

    24

    8

    L1

    7

    DTV1

    40

    VIDEO

    Y1

    AV3

    R1

    PR1

    44

    25

    C2

    7

    7

    R3IN

    LOUT1

    8

    IN

    C1

    IN

    Y1

    TA

    PROUT1

    R

    VY1

    S3

    75

    1

    INPUT SELECT

    36

    IN

    7

    12 PB1

    R1

    35

    MAIN

    7

    C3

    74V

    IN

    PBOUT2

    14

    78

    60

    SUB

    H11

    PROUT2

    1

    10 L1

    21

    63

    YOUT2

    Y3

    76

    DVI PB

    H12

    V38

    11

    11

    IN

    14

    BBE VIVA

    OUT

    TV1V

    PR2

    H21

    V3

    TV2

    20

    IC4203

    SUB

    L2

    54

    DVI L

    23

    VAO MUTE L

    415

    DTV2

    52

    L1

    18

    H22

    Q4203

    110

    9

    22

    DVI

    VAO MUTE R

    IN

    210

    DVI PR

    PB2

    Q4202

    310

    IN

    R2

    4

    309

    DVI Y

    5

    BBE

    409

    16

    H

    27

    408

    DVI R

    BBE

    116

    IC4201

    316

    EQUALIZER

    OUT