crownxls402

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Page 1: crownxls402

Scale Sheet

Size FCSM No. DWG No. RevA1

R27220R

C23220n

C222n2

240/120

220/110

NEUTRAL

RLY1

PTC2

PTC1R22

47R 23W

R53B20k

R52B180k

R53A20k

R52A180K

HDR3/2

HDR3/1

HDR2/6

HDR2/5

LK4

0 Ohm

LK3

0 Ohm

LK2

0 Ohm

LK1

0 Ohm

HDR2/3

HDR3/3 HDR3/4 HDR3/5

HDR2/4 HDR2/2

CN2A/1

CN2A/3

CN2A/2

1234567891011121314151617181920212223242526

CN226PIN

1234567891011121314151617181920212223242526

CN126PIN

0V1AFASTON

0V1BFASTON

R26

2M

R2151R

Q2

BD135

Q1

BC214L

R2010k

R18100k

R19150k

ZD2

note1

12

1314

IC1D

TL074

LED2yellow

R153k9

HDR1/3

HDR1/2

21

RLY1RELAY

D10

Q3BC184L

R1310k

LED1green

R84k7

R121k

D9R1110M

5

67

IC1B

TL074

R927k

R10680k

C16

4u7

D8

R7 1k2 1WZD15v6

R510M

R610M

3

21

411

IC1ATL074

R247k

R347k

C9100u

SEC1/4

SEC1/1

C18470u

C17470u

D161N4004

D151N4004

D141N4004

D131N4004

D11

D12

R110k

D1

R41M

C104u7

C11100n

D2

D3

D4

D5

D6

D7

SUNON

24V-24

10

98

IC1C

TL074

R16180k

R1720k

C21100n

R231k

R142k2

C84700u

C64700u

C44700u

C24700u

C15470u

C14470u

C13470u

C12470uC7

4700uC54700u

C34700u

C14700u

BR1

C7A10u

C8A33p

R8A1k

R9A39k

C11A100u

C20A10p

R57A3k3

R17A1k

R18A39k

R14ANOTE1

D2A

D1AR13A220R

Q3ABF423

R12A10k

R11A100R

R10A100R

Q1A

2SA872

Q2A

C3A330p

R15A1k

R16A1k

D3A D4A

R24A47R

R23A47R

R19A200R

Q6ABF423

Q7ABF423

C14A

100nR20A

20k

C12A33p

Q4A

BF422

C13A10p

Q5A

C15A1u

R21A360R

R22A1k

Q8ABC184L

C2A4n7

C1A 4n7

Q13A

MJ15024

Q14A

MJ15024

Q15A

MJ15024

Q16A

MJ15024

Q20B

MJ15025

Q19B

MJ15025

Q18B

MJ15025

Q17B

MJ15025

R44A0R47

R45A0R47

R46A0R47

R47A0R47

R48A0R47

R49A0R47

R50A0R47

R51A0R47

R36A820R

R37A820R

R38A820R

R39A820R

R43A

820RR42A820R

R41A820R

R40A820R

CN1AFASTON

D13A1N4004

LED1ARED

LED2AGREEN

ZD7A18V

R58ANOTE1

D5A1N4004

D6A1N4004

C16A100n

C17A100n

Q12AMJE5731A

Q10ATIP50/47

Q11ABF422

Q9ABF423

R29A470R

R34A470R

R35A100R

ZD5ANOTE1

ZD6A

NOTE1

R30A5K1

R33A5K1

R25A27K

R28A27K

R26ANOTE1

R27ANOTE1

D11A

D9A

ZD3A2V7

ZD4A2V7

R55ANOTE1

Q22ABC184L

Q21A

BC214L

D8A

D7A

CN2A/2

CN2A/3

CN2A/1

SEC1/3

SEC1/6

SEC1/2

SEC1/5

D171N4004

D181N4004

C1947u

C2047u

R24NOTE1

R25NOTE1

ZD318V

ZD418V

HDR2/1

HDR3/6

R56A22R

C21A4n7

R60ANOTE1

R59ANOTE1

C10A10u

C9A10u

D19

CHASSIS

!

3W w/w

3W w/w

!

!

!

!

!

!!

!

!

!

All Diodes are 1N4148 unless otherwise specified

9V1

10V

ZD2

R37A/B, R42A/B, R45A/B, R50A/B,

Q14A, Q20A, Q13B, Q19B,

Not Fitted:GB402

NOTE2

BLUE

RED

BLACK

30V

47V

ZD5A/B, ZD6A/B

5k6 1W c/f

6k8 1W c/f

R58A/B, R24, R25

20k

20k

R26A/B, R27A/B

2k7 1W c/f

3k3 1W c/f

R55A/B

33k

100k

R14A/B

GB402

GB602

NOTE1

Channel B

R18B and FASTON CN4Bto junction of

STAR

STAR

Channel B

Channel A Power Amp only shownXLS602, XLS402, XLS202

to output boardGREEN

2

1

POWER

PROTECT

NPN Main H/S

LM35DZ

TH1

2.5W

KDE2412PTS1-6A

red

black

CN3

AC

AC

+-

+HT1

-HT1

XLS602, XLS402, XLS202

NPN Main H/S

PNP Main H/S

PF750 H/S

NPN Main H/S

PF750 H/S

PEAK A

FACING LDRON I/P BOARD

-HT2

+HT2

+HT1

-HT1-HT2

+HT2

STAR

1

2

3

4

5

6

C1, C4

2

R60A, R60B

75R

120R

! up to +95Vdc

! up to -95Vdc

! up to +95Vdc

! up to -95Vdc

! up to 65Vac

! up to 65Vac

C/T

!! Live Mains

18Vac

18Vac

+24Vdc

-24Vdc

+18Vdc

-18Vdc

To output board

Main2

35V

35V

16V

250V

250V

250V

250V100V 100V 100V 100V

100V100V100V100V

100V

100V

100V

100V

100V

63V63V

63V

35V

35V

16V

All resistors are 1/4 W metal film unless otherwise specified

63V

3W w/w 3W w/w 3W w/w

3W w/w 3W w/w 3W w/w

All Zener diodes are 400mW

Note1

BR1

GBPC5006 50A 600V

GBPC5006 50A 600V

All BF422 and BF423 are Pillips or Toshiba. DO NOT use Carsem (CBF)

YM120D3 70N10Bowthorp

'A' suffix on component identifier indicates Channel AThese can be mapped directly on to Channel B by changing the suffix to 'B' unless otherwise specified.

Q15B Q16B Q13B Q14B

Q18A Q17A Q20A Q19A

Crown Audio1718 W. Mishawaka Rd.Elkhart, IN 46517574-294-8000www.crownaudio.com

C1071-6

9V147V4k7 1W c/f43k 2k7 1W c/f22kGB402 150R SB356 35A 600V

R37A/B, R42A/B, R45A/B, R50A/B,

Q14A, Q20A, Q13B, Q19B,

Not Fitted:GB202

C4, C5

R39A/B, R40A/B, R47A/B, R48A/B,

Q16A, Q18A,

Q15B, Q17B,

C1, C2,

1.2 V

90 V

.095 V 0.180 V

0.120 V

1.7 V1.2 V

1.75 V

0.6 V

+5.6 Vdc

+24 Vdc

+20 Vdc

-2 Vdc+20 Vdc

+2.5 Vdc

-2 Vdc+20 Vdc

Power supply
Power Supply The amplifier operates from nominal (off-load) +/- 65V (GB202), +/- 80V (GB402) or +/- 93V (GB602) supplies, with an auxiliary +/- 24V supply for the protection circuitry and the optional AMPSAP card. To generate the supplies, the mains transformer has one secondary with a centre tap, two 18Vac taps and the usual end taps. The end tap outputs are rectified by BR1 and smoothed by C1,C3,C5,C7 to get +HT and C2,C4,C6,C8 to get -HT (note: not all of C1-C8 are fitted on GB402 and GB202). The +/- 18Vac taps are rectified by D13-D16 and smoothed by C17 to get +24Vdc and C18 to get -24Vdc. Soft Start System AC mains enters the board on fastons (Red, Black, Blue) and leaves for the transformer by way of connectors Main1 (220/240) and Main2 (110/120). The soft start components are on the NEUTRAL line and comprise R22, PTC1, PTC2 and the contacts of RLY1. At switch on, R22 limits surge current and PTC1, PTC2 protect R22 from overheating. After a few seconds, the protection circuit energises RLY1 coil, closing RLY1 contacts which short out R22, PTC1, PTC2, allowing full power operation.