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    Acer AT1921/22

    Service GuideService guide files and updates are available on the CSD web: for

    more information,

    Please refer to http://csd.acer.com.tw/

    100% Recycled Paper

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    Copyright

    Copyright 2003 by Acer Incorporated. All rights reserved. No part of this publication may be

    reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or

    computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical,

    manual or otherwise, without the prior written permission of Acer Incorporated.

    Disclaimer

    The information in this guide is subject to change without notice. Acer Incorporated makes no

    representations or warranties, either expresses or implied, with respect to the contents hereof and

    specifically disclaims any warranties of merchantability or fitness for any particular purpose, Any Acer

    Incorporated software described in this manual is sold or licensed as is . Should the programs prove

    defective following their purchase, the buyer (and not Acer Incorporated, its distributor, of its dealer)

    assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages

    resulting from any defect in the software.

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    Conventions

    The following conventions are used in this manual:

    Screen messages Denotes actual messages that appear on screen

    Note Gives bits and pieces of additional information related to

    the current topic.

    Warning Alerts you to any damage that might result from doing ornot doing specific actions.

    Caution Gives precautionary measures to avoid possible hardware

    or software problems.

    Important Reminds you to do specific actions relevant to the

    accomplishment of procedures.

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    Preface

    Before using this information and the product it supports, please read the following general information.

    1. this Service Guide provides you with all technical information relating to the BASICCONFIGURATIONdecided for Acers global product offering. To better fit local market requirements and enhance product

    competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g.

    add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered

    in this generic service guide. In such cases, please contact your regional offices or the responsible

    personnel/channel to provide you with further technical details.

    2. please not WHEN ORDERING FRU PARTS, that you should check the most up-to-date informationavailable on your regional web or channel. If, for whatever reason, a part number change is made, it will

    not be noted in the printed Service Guide, for ACER-AUTHORIZED SERVICE PROVIDERS, your Acer

    office may have a DIFFERENT part number code to those given in the FRU list of this printed Service

    Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and

    Service of customer machines.

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    WARNING: (FOR FCC CERTIFIED MODELS)

    NOTE: this equipment has been tested and found to comply with the limits for a Class B digital device,

    pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against

    harmful interference in a residential installation. This equipment generates, uses and can radiate radio

    frequency energy, and if not installed and used in accordance with the instructions, may cause harmful

    interference to radio communications. However, there is no guarantee that interference will not occur in

    a particular installation. If this equipment does cause harmful interference to radio or television reception,

    Which can be determined by turning the equipment off and on, the user is encouraged to try to correct the

    interference by one or more of the following measures:

    1. Reorient or relocate the receiving antenna.2. Increase the separation between the equipment and receiver.3. Connect the equipment into an outlet on a circuit different from that to which the receiver is

    connected.

    4. Consult the dealer or an experienced radio/TV technician for help.

    NOTICE:1. The changes or modifications not expressly approved by the party responsible for compliance could

    void

    the users authority to operate the equipment.

    2. Shielded interface cables and AC power cord, if any, must be used in order to comply with the emissionlimits.

    3. The manufacturer is not responsible for any radio or TV interference caused by unauthorizedmodification to this equipment. It is the responsibility of the user to correct such interference.

    As an ENERGY STAR Partner our company has determined that this product meets the ENERGY STAR

    guidelines for energy efficiency.

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    PRECAUTIONS

    z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub,Swimming pool or in a wet basement.

    z Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure aperson and cause serious damage to the appliance. Use only a trolley or stand recommended by the

    manufacture or sold with the monitor. If you mount the monitor on a wall or shelf, use a mounting

    kit approved by the manufacture and follow the kit instructions.

    z Slots and openings in the back and bottom of the cabinet area provided for ventilation. To ensurereliable operation of the monitor and to protect it from overheating, be sure these openings are not

    blocked or covered. Do not place the monitor on a bed, sofa, rug or similar surface. Do not place the

    monitor near or over a radiator or heat register. Do not place the monitor in a bookcase or cabinet

    unless proper ventilation is provided.

    z The monitor should be operated only from the type of power source indicated on the label. If you arenot sure of the type of power supplied to your home, consult your dealer or local power company.

    z The monitor is equipped with a three-pronged grounded plug, a plug with a third (grounding) pin.This plug will fit only into a grounded power outlet as a safety feature. If your outlet does not

    accommodate the three-wire plug, have an electrician install the correct outlet, or use an adapter to

    ground the appliance safely. Do not defeat the safety purpose of the grounded plug.

    z Unplug the unit during a lightning storm or when it will not be used for long periods of time. This willprotect the monitor from damage due to power surges.

    z Do not overload power strips and extension cords. Overloading can result in fire or electric shock.z Never push any object into the slot on the monitor cabinet. It could short circuit parts causing a fire

    or electric shock. Never spill liquids on the monitor.

    z Do not attempt to service the monitor yourself; opening or removing covers can expose you todangerous voltages and other hazards. Please refer all servicing to qualified service personnel.

    z To ensure satisfactory operation, use the monitor only with UL listed computers which have

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    SPECIAL NOTES ON LCD MONITORS

    The following symptoms are normal with LCD monitor and do not indicate a problem.

    NOTES

    z Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the PowerSwitch and then turn it on again to make sure the flicker disappears.

    z You may find slightly uneven brightness in the screen depending on the desktop pattern you use.z The LCD screen has effective pixels of 99.99% or more. It may include blemishes of 0.01% or less

    such as a missing pixel or a pixel lit all of the time.

    z Due to the nature of the LCD screen, an afterimage of the previous screen may remain after switchingthe image, when the same image is displayed for hours. In this case, the screen is recovered slowly

    by changing the image or turning off the Power Switch for hours.

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    Ta b l e o f co n t e n t s

    Chapter 1 LCD TV FEATURE.. ..9

    Chapter 2 OPERATING INSTRUTION ..20

    Chapter 3 MACHINE ASSEMBLY.. .25

    Chapter 4 TROBLE SHOOTING...39

    Chapter 5 CONNECTOR INFORMATION...42

    Chapter 6 FRU LIST. ..43

    Chapter 7 SCHEMATIC DIAGRAM ..45

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    Chapter 1

    LCD TV Feature

    Destination Europe

    Color System CCIR B/G, D/K, I and L/L

    Sound System Sound 1 and Sound 2

    Stereo System NICAM and FM Stereo ( A2 )

    Channel System Full frequency range from channel E2

    ( 48.25 MHz ) to channel E69 ( 855.25

    MHz)

    Sub-Title Teletext 100 pages

    TV System RF-AFT (+ / - 1.5MHz)

    Maximum Resolution 1440*900

    Panel Supplier AUO: M190PW01_V0

    Lamp Quantity CCFL*4

    Display Area 19" Wide Diagonal

    Display Color 16.7 M colors (RGB 6 bits+HiFRC)

    Contrast Ratio 800:1 (Typical)600:1(Min)

    Brightness 300 cd / m*2 (Typical)Response Time 5 ms(Typ)

    LCD Panel View Angle 80(L)/80(R), 80(U)/80(D)

    HDMI For Audio & Video

    RCA Jack *3 For Audio & Video

    Din Jack For S-Video

    SCART*1 21 Pin for Video ,S-Video & RGB

    PH Jack For TV Input ( PAL system)

    Earphone Jack For Audio Output

    SPDIF For Audio output (I2S)

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    TV System PAL and SECAM system Receivable

    Tuner FQ1216-MK5Horizontal input frequency range : 30~71

    KHz

    Vertical input frequency range : 50~85 Hz

    VGA Maximum resolution : 1440*900

    Out of Range

    When input signal is out of range or

    down scaling support ,the OSD will show

    "Out of Range "within 5 seconds and LED

    is green

    Input Signal No Signal

    When there is missing signal from

    selected input ,the OSD will show "No

    Signal "within 8 seconds and LED is green

    Standard x=300 , y=310, Y>250cd / m*2(center)

    Warm x=317 , y=327, Y>250cd / m*2(center)Color

    Temperature Cold x=285 , y=293, Y>220cd / m*2(center)

    Key count 43 Keys

    Effective Distance More than 5 m +45~-45degreeRemote

    Controller Supplier Panasonic

    Local Control

    Key 7 Keys

    Power, Left, Right, Up, Down, Menu,

    Select

    Display Area: 19W inches diagonal

    H-Phase: A-B Less than 1.5mm

    V-Center: C-D Less than 1.5mm

    Tilt: E-F Less than 1mm

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    THD(Total Harmonic D distortion) Limited to 5 % at 2W (at 0.1~15 KHz)

    OSD Capability On screen display adjustment function

    ISP Functions

    ISP (In System Programming) function

    available for revising driver easily.

    Input Voltage 90 ~ 264 V , 47 ~ 63 Hz

    Input Current 0.6~1.5 A

    Max. Power

    58 Watts(not support Energy Star max

    power SPEC)

    PC saving Power 2Watts Max

    Power Source Stand-By Power(AV,TV) 1 Watts Max.

    Mechanical VESA Mount 100*100 mm

    Input & Output Signal Specification

    Type Analog

    Polarity Positive

    Level 1Vp-p ( with Sync.)

    Impedance 75 5%

    CVBS Input Interface RCA jack, Yellow color

    Type Analog

    Polarity Positive

    Level Y : 1Vp-p ( with Sync.) , C : 0.286Vp-p

    Impedance 75 5%

    S-Video Input Interface DIN Jack

    Type Analog

    Polarity Positive

    Impedance 75 5%

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    Impedance More than 22k

    Interface 3.5mm Stereo Jack , Black color

    Type Stereo R/L ChannelsLevel 40mW rms/per Channel(typ.) for 32 ohm earphone

    Impedance 32 ohm

    Headphone Output Interface 3.5mm Stereo Jack

    Max. Audio output 5W + 5W (at 1.0Vp-p / 1kHZ input,10% THD max.)

    Sound Distortion 1% THD max. ( at 250mW/1kHZ : )

    Speaker 5 W / 8 ohms

    Speaker Impedance 8 ohms at 1kHZ

    Residual Hum 500uW Max.( at Min. Volume : )

    Built-in Speaker Max. Hum 1000uW Max ( at Max. Volume )

    Type Stereo R/L Channels

    Level 400Vrms.

    Audio Line Output Interface 3.5mm Stereo Jack

    Input Impedance 75 ohms

    Frequency Range 48.25~855.25 MHz (PAL)

    Video S/N Ratio 45 d B (Typical)

    RF Input Audio S/N Ratio 63 d B (Typical)

    Level : Low = 0 to 0.8V, High = 2.0 to 5 VPolarity : Positive or Negative

    Sync Impedance : 1 k ohm or higher

    Level : 0 to 700mV Positive

    VGA Input RGB Signal Impedance : 75 5%

    1 Red Video

    2 Green Video

    3 Blue Video

    4 Ground

    5 Ground

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    PC Timing Mode

    Pixel Hor. Freq. Hor. Vert.Freq.

    VerticalStandard Format

    Format (kHz) Polarity (Hz) Polarity

    1 640*350 31.5 70 VGA2 720*400 31.47 - 70 + VGA

    3 640*480 31.47 - 60 - VGA

    4 640*480 35 66.7 MAC5 640*480 37.861 - 72 - VESA

    6 640*480 37.5 - 75 - VESA

    7 640*480 43.3 - 85 - VESA

    8 800*600 35.156 - 56 + VESA

    9 800*600 37.879 + 60 + VESA

    10 800*600 48.077 + 72 + VESA

    11 800*600 46.875 + 75 + VESA

    12 800*600 53.674 + 85 + VESA

    13 832*624 49.72 74.5 MAC14 1024*768 48.36 60 VESA15 1024*768 56.48

    70

    VESA

    16 1024*768 60.02 75 VESA17 1280*720 44.772 - 59.86 + VESA 16:9

    18 1280*720 56.456 - 74.78 + VESA 16:9

    19 1360*768 47.72 - 59.8 + VESA 16:9

    20 1360*768 60.288 - 74.89 + VESA 16:9

    21 1440*900 55.935 - 59.89 + VESA 16:9

    cancel 1440*900 70.635 - 74.98 + VESA 16:9

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    MT8200

    AudioProcessorMT8291

    AudioAmplifier

    TFA9810

    Backlight

    LCDpanel

    EEPROM

    FlashROM

    IRSensor

    2-Wire Bus

    SCART

    S-video

    Video

    Tuner

    PC PC Audio inputCVBS/S-Video Audio input

    SCART Audio input

    Tuner Audio input

    SCART Audio output

    S-Video input

    CVBS input

    PC Video input

    Tuner Video inputLVDSSCART-RGB input

    SCART-S-VIDEO input

    SCAR-CVBS input

    ADC+GPIO

    Earphone

    2-Wire Bus

    Speaker

    DDC

    EEPROM

    HDMI

    DDCEEPROM

    I2S Bus

    HDMI receiver

    MT8293

    HDCPKeys

    16bit 4:2:2 MTK format

    UserKeypad

    SPDIF

    2-Wire Bus

    DDRAM

    GPIO

    RS232

    Monitor Block Diagram

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    PCB CONDUCTOR VIEW

    MAIN BOARD

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    BUTTON BOARD

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    USB BOARD

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    POWERBOARD

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    Chapter 2

    OPERATING INSTRUCTIONS

    Front Panel Definition

    This Section defines the front panel User Interface for Led Indictor and Key function.BUTTON OSD On OSD Off

    1 Power Software On / Off

    2

    Menu /

    Exit

    Press this button to open the OSD or Enter

    function

    3

    CH Up Press CH Up key to move selection up Press these buttons to select the TV channel

    in sequence.

    4

    CH Down Press CH Down key to move selection

    down

    Press these buttons to select the TV channel

    in sequence.

    5

    Vol Left Press Vol Left key to move selection left or

    to decrease value

    Press these buttons to select the volume

    level.

    6

    Vol Right Press Vol Right key to move selection

    right or to increase value

    Press these buttons to select the volume

    level.

    7

    Input /

    OK

    Press this button to confirm selection Press this button to select the input source:

    ATV -->AV-->S-Video-->SCART

    -->HDMI--->VGA--> Back to ATV

    PS: PS: SCART: RGB/S-Video/CVBS

    Remote Controller Key Definition

    Item Key Function

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    10 2 Number key 2

    11 3 Number key 3

    12 4 Number key 4

    13 5 Number key 5

    14 6 Number key 6

    15 7 Number key 7

    16 8 Number key 8

    17 9 Number key 9

    18 0 Number key 0

    19 Recall Reture to previous channel

    20 Enter Enter to confirm channel selection by number key

    21

    Up 1.Navigate up in the OSD menu

    2.channel up when OSD menu is not showed on screen

    22 Down 1.Navigate down in the OSD menu

    2.channel down when OSD menu is not showed on screen

    23 Left 1.Navigate left in the OSD menu

    2.volume down when OSD menu is not showed on screen

    24 Right 1.Navigate right in the OSD menu

    2.volume up when OSD menu is not showed on screen

    25 OK Selection Confirmation

    26 Menu Open/Exit Menu

    27 Channel Up In ATV mode, press this key to do Channel up,

    28 Channel Down In ATV mode, press this key to do Channel down

    29 Volume up Volume up

    30 Volume down Volume down

    31 MPX NICAM

    STEREO Broabcast : Stereo/Mono

    BILINGUAL Broadcast : Sound 1 / Sound 2

    MONAURAL : Mono

    FM FM

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    36 SIZE When in teletext pages, this key zoom page toggle 1X/2X and page selection

    by Up-arrow and Down-arrow

    37 SUBPAGE Subpage directly

    38 HOLD when in teletext pages, press this button temporarily holds the current teletext

    page

    39 R Red color button to do teletext operation In teletext mode,

    40 G Green color button to teletext operation In teletext mode

    41 Y Yellow color button to teletext operation In teletext mode

    42 B Blue color button to teletext operation In teletext mode

    43 WIDE Scaling Mode ( 4:3 /16:9 /Panorama /Letterbox1/ Letterbox2/ Letterbox3)

    OSD Tree

    PAL Menu Structure

    1st SubMenu

    2nd

    SubMenu

    3rdS

    ubMenu

    4rdS

    ubMenu

    ATV

    S-Video

    AV

    Scart

    VGA

    HDMI

    Brightness Slider [50] 0-100 / 1 v v v v v v

    Contrast Slider [80] 0-100 / 1 v v v v v v

    Color Slider [70] 0-100 / 1 v v v v v

    Hue Slider [50] 0-100 / 1 v v v v

    Sharpness Slider [4] 0-7 / 1 v v v v v

    Back Light Slider [100] 0-100 / 1 v v v v v v

    Cold

    [Standard]

    Color Temp Warm v v v v v vPicture

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    On

    Sound Effect [Off] v v v v v v

    On

    Steady Sound [Off] v v v v v v

    UK

    France

    GermanyItaly

    Spain

    Switzerland

    Denmark

    Belgium

    Netherlands

    Luxembourg

    Czech Republic

    Portugal

    United Arab Emirates

    Channe

    lManagement

    Country

    Saudi Arabia

    v

    On

    Skip [Off] v

    Reorder v

    Name v

    Frequency v

    Auto Scan v

    Manual Scan

    Scan up

    Scan down

    Scan for update v

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    Dansk

    Dutch

    Sleep [Off]/15/30/45/60/90/120 v v v v v

    Please enter your PIN New PIN:

    Set PIN [- - - -]

    Type it again to

    confirm: v

    Full v v v v v v

    4:3 v v v v v v[16:9] v v v v v

    Panorama v v v v v

    Letterbox1

    Wide Mode Letterbox2

    v v v v v

    HDMI Scan Info. [Auto] / Overscan / Underscan v

    Factory Default v v v v v v

    Teletext Operation

    TELETEXT/MIX TV/Teletext Mode

    By pressing Teletext (go to index page),screen will change from TV/AV mode to

    Teletext mode and vice versa and Overlay the telext page on the TV picture

    Up/Down and Number

    Key

    Page Selection

    Page can be selected in two ways:

    a. Press Up or Down to increase or decrease the page number by one

    b. By entering the page number, using 0~9 on the remote controller

    Red/Green/Yellow/Blue Teletext RGBY soft key

    In fast text mode these correspond to differently coloured subjects, In list

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    Chapter 3

    Machine assemblyThis chapter contains step-by-step procedures on how to assemble the monitor for

    maintenance and trouble shooting

    NOTE: 1. The screws for the different components vary in size. During the disassembly process, group

    the screws with the corresponding to avoid mismatch when putting back the components.

    2. Note: The monitor surface is susceptible to scratching! Therefore, lay the monitor on a softsurface when mounting or removing the base.

    3. Wear gloves.

    Front View: (unit: mm )

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    Real View:

    Top View:

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    Side View: (unit: mm )

    Assembly process

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    CHECKING THE FOAM AND PUT IT TO

    THE PRODUCTION LINE.

    CHECKING THE SHIELDING AND

    STICK 2*PCS FOAM.

    PUT THE FLOW CARD TO THE

    BOARD.

    SCAN THE FLOW CARD AND CODE OFP/B INTO THE TMS SYSTEM.

    INSERT THE JUMP CABLE INTO THE

    P/B AS LEFT SHOW.

    CONNECT THE JUMP CABLE AND P/B

    WITH WHITE GOOEY

    MARK THE LOCATION WITH COLOR

    PEN AS LEFT SHOW.

    PUT IT TO THE PRODUCTION LINE.

    CHECKING THE M/B AND LVDS

    CABLE, AND INSERT THE LVDSCABLE INTO THE JOINT OF M/B.

    INSERT THE M/B-P/B CABLE INTO

    THE JOINT OF M/B AND P/B.

    Assembly process

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    LOCK UP 4*PCS SCREWS(F3.0*6.0-

    T) TO THE LOCATION OF M/B AND

    P/B AS LEFT SHOW.

    LOCK UP 1*PCS SCREW(F4.0*8.0-T)TO THE P/B.

    LOCK UP 1*PCS SCREW(M3.0*5.0-I)

    TO THE P/B.

    LOCK UP 2*PCS SCREWS(F3.0*6.0-

    T) TO THE P/B AS LEFT SHOW.

    LOCK UP 1*PCS SCREW(M3.0*5.0)

    TO THE SHIELDING .

    LOCK UP 1*PCS SCREW(M3.0*7.0)

    TO THE SHIELDING.

    REMOVE THE SHIELDING FORWARD.

    PUT THE PANEL TO THE

    PRODUCTION LINE AND TEAR OFF

    THE PROTECT FILM.

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    TEAR OFF THE PROTECT FILM OF

    PANEL AND CHECKING IF BAD.

    STICK GOOEY TAPE FOR FIXING

    PROTECT FILM.

    TURN OVER LCD AND TEAR OFF EP

    BAG.

    STICK 1*PCS CODE TO PANEL AS

    LEFT SHOW.

    SCAN THE FLOW CARD, PANEL CODE

    AND P/N TO TMS SYSTEM.

    CHECKING THE LEFT BRACKET AND

    PUT IT TO THE LEFTSIDE OF PAENL

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    STICK 1*PCS CABLE FASTNER TO

    THE DOWNSIDE OF RIGHT BRACKET

    AS LEFT SHOW.

    PUT THE RIGHT BRACKET TO THE

    PAENL.

    LOCK UP 2*PCS SCREWS TO RIGHT

    BRACKET FOR FIXING.

    SCAN FLOW CARD AND M/B CODE TO

    THE TMS SYSTEM.

    INSERT THE LVDS CABLE TO THE

    JOINT OF PANEL.

    STICK 1*PCS ACETIC TAPE FOR

    FIXING LVDS CABLE.

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    CONNECT THE SHIELDING AND

    BRACKET AS LEFT SHOW.

    LOCK UP 4*PCS SCREWS(F3*6) FOR

    FIXING SHIELDING.

    TRUN OVER LCD.

    CHECKING THE BEZEL IF BAD AND

    PUT IT TO THE PANEL.

    TRUN OVER THE LCD.

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    LOCK UP 3*PCS SCREWS FOR FIXING

    RIGHTSIDE BEZEL AND BRACKET.

    LOCK UP 3*PCS SCREWS FOR FIXINGLEFTSIDE BEZEL AND BRACKET.

    INSERT THE 4PCS LAMP CABLE TOTHE

    PUT THE SPEAKER TO THE BEZEL AS

    LEFT SHOW.

    LOCK UP 4*PCS SCREWS FOR FIXING

    LEFT SPEAKER.

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    LOCK UP 4*PCS SCREWS FOR FIXING

    RIGHT SPEAKER.

    GET THE B/B AND CONNECT THE B/B

    AND BEZEL WITH B/B CABLE.

    GET THE IR/B AND INSERT THE IR/B

    CABLE TO THE JOINT OF M/B.

    PUT THE IR/B TO THE LOCATION OF

    BEZEL.

    LOCK UP 2*PCS SCREWS(F3*10)TO

    THE IR/B FOR FIXING.

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    LOCK UP 2*PCS IO NUTS FOR FIXING

    SHIELDING.

    INSERT 1*PCS CABLE FASTNER TO

    SHIELDING.

    SETTLE THE CABLE FOR B/B,

    SPEAKER, IR AND INSERT THEM

    INTO THE JOINT AS LEFT SHOW.

    STICK 1*PCS ACETIC TAPE FOR

    FIXING B/B AS LEFT SHOW.

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    STICK 1*PCS AL FOIL TO AL1 WHICH

    IS BETWEEN THE PAENL AND

    SHIELDING.

    LOCK UP 2*PCS SCREWS TO FIXINGFASTENER BETWEEN PAENL AND

    BEZEL.

    CHECKING THE CABLE IF WRONG

    WAY.

    CHECKING THE SCERWS IF LOOSE.

    CHECKING THE AL FOIL IF WRONG

    WAY.

    MARK THE AL FOIL WITH WHITE

    PEN.

    SHAKE THE LCD IF SOMETHING INIT.

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    LOCK UP 2*PCS SCREWS FOR FIXING

    REAR COVER

    STICK 1*PCS FLOW CARD TO GOOEY

    OF REAR COVER.

    COVER IT WITH BAG.

    LOCK UP 5*PCS SCREWS FOR FIXING

    REAR COVER AND BEZEL.

    INSERT THE VGA CABLE INTO THE

    JOINT OF VGA.

    CONNECT THE POWER CORD AND

    LCD TV.

    STAND UP LCD.

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    STICK FLOW CARD TO BASE.

    CHECKING THE BEZEL WHETHERBAD.

    CHECKING THE REAR COVER

    WHETHER BAD.

    CHECKING FUNCTION/B WHETHER

    BAD.

    Chapter 4

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    NO POWER

    Check P/B CN101 pin7 12V,pin15V Correct?

    Separate M/B & P/B Check CN101pin7 12V, pin15V Correct?

    Check M/B L56 3.3V L58 1.8Vcorrect?

    Change M/B

    Change M/B

    Change P/B

    yes yes

    No No

    No

    No picture, No backlight

    Check Power/B CN101

    Chapter 4

    TROUBLE SHOOTING

    This chapter provides trouble shooting information for AT1921/22

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    No Characters , Missing Color

    Check M/B CN3Pin28~30 5V correct?

    Check LVDS cable

    ChangeM/B

    ChangeLVDS cable

    Check LCD panel

    VGA always show No Signal

    Check VGA cablecorrect?

    ChangeVGA cable

    Yes

    Yes

    No

    No

    Yes

    No

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    Video-mode always showNo Signal

    Check Video cablecorrect?

    Change I/O board

    ChangeVideo cable

    Yes

    No

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    Chapter 5

    Connector Information

    Length: 1.8meters +15mm/-0mm

    Cable Color: Black color

    1 Power Cord Quantity: 4

    Length: 1.8meters +15mm/-0mm

    Cable Color: Black color

    2 AV (Video& Audio) Cable Quantity: no

    Length: 1.8meters +15mm/-0mm

    Cable Color: Black color3 SCART Cable Quantity: no

    Length: 2.5meters +15mm/-0mm

    Cable Color: Transparent color

    4 TV Antenna Cable Quantity: no

    Length: 1.8meters +15mm/-0mm

    Cable Color: Black color

    5 VGA Cable Quantity: no

    Multi-function remote

    controller

    include battery

    6

    Remote Controller Unit

    Quantity: one

    7 TV User Guide Quantity: one

    8 Remote Controller User Guide Quantity: no

    9 Warranty Card Quantity: no

    10 B Q i TBD

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    Chapter 6

    FRU (Field Replaceable Unit) LIST

    This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AL1511. Refer

    to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).

    NOTE: Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information

    available on your regional web or channel(http://aicsl.acer.com.tw/spl/ ). For whatever reasons a

    part number change is made, it will not be noted in the printed Service Guide. For

    ACER-AUTHORIZED CERVICE PROVIDERS, your Acer office may have a DIFFERENT part number

    code to those given in the FRU list of this printed Service Guide. You MUST use the local FRU list

    provided by your regional Acer office to order FRU parts repair and service of customer machines.

    NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or

    regulations on how best to dispose it, or follow the rules set by your regional Acer office on how to

    return it.

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    Chapter 7

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    CONTENTS

    INDEX & POWER CONNECTOR

    CONTENT 1

    SHEETSCHEMATIC

    2

    AT1920 M/B

    3

    4

    5

    6

    7

    8

    9

    LDO

    MT8201 LQFP256 E-PAD

    DDR & FLASH

    HDMI INPUT-MT8293

    VGA IN & PC AUDIO IN

    TUNER INPUT / GPIO

    AV/SV/AUDIO

    SCART FULL FUNCTION

    MT8291 AUDIO ADC

    LVDS OUT

    AUDIO AMP

    Keypad IR

    10

    11

    12

    13

    14

    SCHEMATIC DIAGRAM

    A B C D E

    BL_ON/OFF

    5VSB VCC DV33B+12V+12V_IN DV33B+5V_IN 5VSB

    R121k/6

    Q2

    SI9435

    234 5

    76

    81

    C5

    Q25

    SI9435/NC

    234 5

    76

    81

    C2

    0.1uF/6

    + C3

    10uF/25V

    1

    2

    R110k/6

    R29010k/6/NC C195

    C1

    2200pF/6

    Q1

    SI9435

    234 5

    76

    81

    C196C4

    R210k/6

    +C6

    1

    + C197

    1

    R1310k/6

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    A B C D E

    4 4

    3 3

    2 2

    1 1

    SCL

    SDA +12VAUDIO

    URST#

    SYSROMWP

    8201UP3_4

    +12V_CN

    BL_ON/OFFDimming

    Dimming

    _

    PWM1

    PWM0

    +5V_IN

    CN_GND

    SCLSDA

    SB33B

    5VSB

    SB33B

    SB33B

    DV33B

    +12V

    SB33B

    DV33B

    SB33B

    +12V_CN +12V_IN +12VAUDIO

    SDA 4,6,8,11

    SCL 4,6,8,11

    +12VAUDIO 11,13

    URST# 4

    8201UP3_4 4GPIO10 4

    8201UP3_4 48201UP3_4 4

    PWM04

    PWM14

    URST#4

    Control_Power 7

    Title

    Size Document Number R ev

    Date: Sheet of

    C3B

    POWER_RESET_EEPROMCustom

    2 14Tuesday, May 29, 2007

    SYSTEM EEPROM

    SYSTEM RESER

    H : WP DISABLE

    L : WP ENABLE

    B 1

    3

    2

    C

    SYSTEM POWR SYSTEM POWR

    AUDIO AMP POWER

    MAIN CONNECTOR

    EXTERNAL MCU POWER

    SYSTEM EEPROM

    PROJECT :E9T-PV

    1

    C

    B 2

    3

    PANEL BRIGHTNESS

    PANEL BACKLIGHT

    2

    C

    1

    3

    B

    CB2

    0.1uF/6

    R327 10R /6

    C7

    0.1uF/6

    1

    2

    1

    H1

    MTH276D126

    2

    345 6

    78

    9

    Q3

    2N3904SOT23

    2

    1

    3

    Q62N3904SOT23

    2

    1

    3

    R352 4.7k/6

    L3

    Bead_121_4A/8

    L2

    Bead_121_4A/8

    + CE1330uF/25V

    1

    2

    R610k/6

    CB10.1uF/6

    C211

    22P/6/NC

    1

    2

    D1

    PSM-A

    Q82N3904SOT23

    2

    1

    3

    0.1uF/6

    +

    CE3

    47uF/16V

    1

    2

    SI9435/NC

    R32.2K/6

    1

    H3

    MTH276D126

    2345 6

    789

    + CE47330uF/25V

    1

    2

    R353 4.7k/6/NC

    Q72N3904SOT23

    2

    1

    3

    R51k/6

    Q26

    2N3904/NCSOT23

    2

    1

    3

    2

    C212

    22P/6/NC

    1

    2

    CB96

    0.1uF/6

    CB3

    0.1uF/6

    Q52N3904

    2

    1

    3

    U1

    24C16

    SOIC8

    NC1

    NC2

    NC3

    GND4 SDA 5SCL 6WP 7

    VCC 8

    R354 4.7k/6

    L52Bead_121_4A/8

    R42.2K/6

    + CE410uF/25V

    1

    2 R328 10R /6

    R30810k/6/NC

    R9

    220/6

    CB97

    0.1uF/6

    1

    H2

    MTH276D126

    2

    345 6

    78

    9

    2200pF/6/NC

    R8 0R/6

    R14

    4.7k/6

    R1710k/6/NC

    p0.1uF/6/NC

    1

    H4

    MTH276D126

    2345 6

    789

    R2912.2K/6/NC

    CB41uF/6

    L1

    Bead_121_4A/8

    CB5

    0.1uF/6R31010k/6/NC

    2200pF/6

    R30910k/6/NC

    R1147k/6

    10uF/25V2

    R10

    4.7k/6

    10uF/25V/NC2

    + CE2

    330uF/25V

    1

    2

    R7 100R/6

    Q4

    2N3904SOT23

    2

    1

    3

    CN1

    CON10 2.54

    12345678910

    R16 10k/6

    R1520k/6

    A B C D E

    XTALVDD

    LVDS GND

    ASB 18A

    5VSBSB33B

    SB18A ASB18ASB33A

    STANDBY ANALOG POWER

    +

    1

    U2

    1

    VOUT 2VIN3

    +

    C8

    4.7uF/25V1

    2

    U3

    1

    VOUT 2VIN3

    C121

    R20 2.2K/6FR19 1.4K/6F

    L56Bead_121_4A/8

    L4Bea

    d_121_4A/8

    C14

    L5Bead_121_4A/8

    L58Bead_121_4A/8

    R18 2.2K/6F

    CB6

    0.1uF/6

    1

    2

    +

    1

    R21 5.6k/6F

    C11

    C151

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    A B C D E

    4 4

    3 3

    2

    1 1

    PLLVDD

    AVDD_VFE0

    AVDD_VAD0

    AADCVDD

    ADACVDD

    VPLLVDD2

    AVDD_VAD1

    AVDD_VFE1

    XTALVDD

    PLLVDD

    ADACVDD

    AADCVDD

    AVDD_VFE0 AVDD_VAD0

    AVDD_VAD1AVDD_VFE1

    VPLLVDD2

    LVDS_GND

    LVDS_GND

    LVDS_GND

    ADCV33A

    ADCV33A

    ADCV33A

    ADCV18A

    ADCV33A

    ADCV33A DV33B DV33AADCV33A ADCV18A DV18A

    ADCV18AADCV33A

    DV18A

    DV33BVCC

    5VSB

    5VSBDV33A

    PLLVDD 4

    AVDD_VFE0 4

    AVDD_VAD0 4

    AADCVDD 4

    ADACVDD 4

    VPLLVDD2 4

    AVDD_VAD1 4

    AVDD_VFE1 4

    XTALVDD 4

    Title

    Size Document Number Rev

    Date: Sheet of

    C3B

    LDOCustom

    3 14Tuesday, May 29, 2007

    Power ON alive sou rce

    NORMAL VIDEO DAC POWER

    NORMAL AUDIO ADC / DAC POWER

    NORMAL VIDEO ADC POWER

    NORMAL ANALOG POWER

    PROJECT :E9T-PV

    CB19

    0.1uF/6

    1

    2

    L8

    22uH/8RC0805

    CB17

    0.1uF/6

    1

    2

    L9

    Bead_121_4A/8/NC

    L11

    Bead_121_4A/8/NC

    L53Bead_121_4A/8 CB10

    0.1uF/6

    1

    2

    C381uF/6

    +

    C910uF/25V

    2

    R26 330R/6F

    +

    C26

    10uF/25V

    1

    2

    C370.1uF/6

    C35

    0.1uF/6

    C240.1uF/6

    +

    C2010uF/25V

    1

    2

    CB94

    0.1uF/6/

    NC

    1

    2

    AP1117ELA/TO252

    ADJ/GND1

    C291uF/6

    +

    C41

    10uF/25V

    1

    2

    +

    C18

    4.7uF/25V

    1

    2

    C250.1uF/6

    FB1 Bead_121_4A/8

    CB11

    0.1uF/6

    1

    2

    AP1117ELA/TO252

    ADJ/GND1

    CB95

    0.1uF/6/

    NC

    1

    2

    L55Bead_121_4A/8

    R27 200/6F

    C130.1uF/6

    CB80.1uF/6

    1

    2

    C43

    10uF/10V/8CC0805

    C340.1uF/6

    R24 100R/6F

    FB4 Bead_121_4A /8

    CE5

    10uF/10V/8

    1

    2

    U5

    AP1117ELA/TO252

    ADJ/GND1

    VOUT 2VIN3

    L65Bead_121_4A/8

    +

    C12

    10uF/25V2

    +

    C3910uF/25V

    1

    2

    L46 Bead_121_4A/8

    C44

    10uF/10V/8

    CC0805

    +

    C2110uF/25V

    1

    2

    CB140.1uF/6

    1

    2

    +

    CE46

    10uF/25V/

    NC1

    2

    L64Bead_121_4A/8

    L7

    22uH/8RC0805 + CE6

    100uF/16V

    1

    2

    CB16

    0.1uF/6

    1

    2

    L57Bead_121_4A/8

    CB130.1uF/6

    1

    2

    C170.1uF/6

    +

    C33

    10uF/25V

    1

    2

    L6 Bead_121_4A/8

    C32

    0.1uF/6

    R25 200R/6F

    C160.1uF/6

    CB15

    0.1uF/6

    1

    2

    C14

    0.1uF/6

    +

    CE44

    10uF/25V/

    NC1

    2

    +

    CE45

    10uF/25V/

    NC1

    2

    U6

    AP1117ELA/TO252

    ADJ/GND1

    VOUT 2VIN3

    R31 200/6F

    +

    C3110uF/25V

    1

    2

    CB12

    0.1uF/6

    1

    2

    U8

    AP1117ELA/TO252

    ADJ/GND1

    VOUT 2VIN3

    U4

    AP1117ELA/TO252

    ADJ/GND1

    VOUT 2VIN3

    R23 1.4K/6F

    CB93

    0.1uF/6/NC

    1

    2

    +

    C1010uF/25V

    2

    C40

    0.1uF/6

    +

    C19

    4.7uF/25V

    1

    2

    CB70.1uF/6

    1

    2

    R30 330R/6F

    FB2 Bead_121_4A /8

    FB3 Bead_121_4A /8

    R29 200R/6FR28 100R/6F

    U7

    AP1117ELA/TO252

    ADJ/GND1

    VOUT 2VIN3

    +

    C36

    10uF/25V

    1

    2

    CB9

    0.1uF/6

    1

    2

    +

    C454.7uF/25V1

    2

    C11

    0.1uF/6

    + CE7100uF/16V

    1

    2

    C420.1uF/6

    R22 2.2K/6F

    C270.1uF/6

    +

    C23

    10uF/25V

    1

    2

    C22

    0.1uF/6

    C280.1uF/6

    1

    2

    L10

    Bead_121_4A/8/NC

    +

    C3010uF/25V

    1

    2

    CB18

    0.1uF/6

    1

    2

    +

    C15

    10uF/25V2

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    A B C D E

    RP

    RN

    VGASDA

    RED_GND

    GRN GNDRED

    RED

    RED GND

    SDA0

    VGA_PLAG

    RN 4

    RP 4

    SDA04

    VGA IN

    D23EZJ Z0V800AA/NC

    1

    R8175R/6F

    R78 68R/6

    C705pF/6

    1

    2

    P2D-SUB15DCN15VGA-15P

    16

    16

    711

    R7710k/6

    R 82 100R /6

    R80100R/

    6

    D22

    EZJ Z0V800AA/NC

    1

    2

    C710.01uF/6

    1 2

    R79 0R /6/N C

    C690.01uF/6

    1 2L15 F B/6

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    A B C D E

    4 4

    3 3

    2

    1 1

    VGASCL

    VGASOG

    GP

    VGASDA

    BP

    VGASCL

    RN

    GN

    BN

    DDC_WP_DE

    VGAVSYNC#

    VGASDAVGASCL

    PW_KEY

    RST

    GPIO5GPIO6

    VGA_PLAG

    VGAHSYNC#

    HSYNC# BLUE

    VGASDA_IN

    HSYNC#

    VSYNC#

    GREEN

    GREEN

    BLUE

    GRN_GND

    VSYNC#

    BLU_GND

    VGA_PLUGPWR

    VGASCL_IN

    BLU_GND

    GRN_GND

    RED_GND

    TXDRXD

    IRVSYNC#

    HSYNC#

    VGASCL_IN

    VGASDA_IN

    SCL0

    VGA_PLAG

    +3.3V

    +3.3V+3.3V

    VCC

    VGA_PLUGPWR

    +5V_IN

    +3.3V

    +3.3V

    VGA_PLAG

    VGA_PLAG

    VGA_PLUGPWR

    5VSB

    SB33B

    RN 4

    GN 4

    BN 4

    BP 4

    GP 4

    VGASOG 4

    VGAHSYNC# 4

    VGAVSYNC# 4

    Control_Power 2

    GPIO54GPIO64

    DDC_WP_DE 4,6

    ERO0_UP3_0 4

    TXD 4RXD4

    IR4,14

    PW_KEY4,14

    SCL04

    Title

    Size Document Number Rev

    Date: Sheet of

    C3B

    VGA IN & AUDIO INCustom

    7 14Tuesday, May 29, 2007

    L : WP DISABLEH : WP ENABLE

    S0 S1

    0

    1

    0

    1 B3,A3

    STATUS

    SDA/SCL

    TXD/RXD

    OUTPUT

    PROJECT :E9T-PV

    B3,A3

    11/28 add

    D29EZJ Z0V800AA/NC

    1

    2

    C785pF/6

    1

    2

    R108 0R/6/NC

    C801uF/6/NC

    R101

    0R/6/NC

    Y224MHz/NC

    1 2

    D25EZJ Z0V800AA/NC

    1

    2

    R119 0R/6/NC

    C790.01uF/6

    1 2

    +C198

    10uF/25V/NC

    1

    2

    R136 0R/6/NC

    R105 510R/6

    C760.1uF/6/NC

    2

    R106 0R/6/NC

    R8510k/6

    R3160R/6

    L16 F B/6

    C745pF/6

    1

    2

    CB700.1uF/6

    R134 0R/6/NC

    R83 0R/6

    R3140R/6/NC

    C202

    33pF/6

    R122 0R/6/NC

    R292 330R/6F/NC

    R138 0R/6/NC

    L17 FB/6

    R133 0R/6/NC

    R99

    0R/6/NC

    R139 0R/6/NC

    U17

    24C02

    NC1

    NC2

    NC3

    GND4 SDA 5

    SCL 6WP 7

    VCC 8

    17

    2

    3

    4

    5

    7

    8

    9

    10

    12

    13

    14

    15

    R297 100R/6

    L47

    Bead_121_4A/8/NC

    R88100R/6

    C2580.1uF/6/NC

    R131 0R/6/NC

    R124 0R/6/NC

    C724.7nF/6

    1 2

    R315 0R/6/NC

    R103

    0R/6/NC

    R125 0R/6/NC

    R107

    2k/6

    D26BAT54C

    R130 0R/6/NC

    R137 0R/6/NC

    R98

    0R/6/NC

    R 82 100R /6

    R120 0R/6/NC

    R104

    0R/6/NC

    R118 0R/6/NC

    C203

    33pF/6

    C730.01uF/6

    1 2

    R132 0R/6/NC

    R115 0R/6/NCR113 0R/6/NC

    C750.01uF/6

    1 2

    C2010.1uF/6/NC

    R940R/6/NC

    R296 100R/6

    C770.01uF/6

    1 2

    R95

    4.7k/6/NC

    D24

    EZJ Z0V800AA/NC

    1

    2

    R84 68R/6

    R302 10k/6

    R377 0R/6

    R111 0R/6/NC

    C8110pF/6/NC

    R9175R/6F

    R90 68R/6

    1 2

    R87 0R/6/NC

    R93

    10k/6/NC

    R123 0R/6/NC

    R92 100R/6

    R293 200/6F/NC

    R9682K/6/NC

    D27

    EZJ Z0V800AA/NC

    1

    2

    U23

    AP1117ELA/TO223/NC

    ADJ/GND1

    VOUT 2VIN3

    R8675R/6F

    R126 510R/6

    R135

    2k/6

    D28EZJ Z0V800AA/NC

    1

    2

    RTD2120L

    U16RTD2120L/NC

    P5.0/PWM044

    P5.1/PWM145

    P5.2/PWM246

    P5.3/PWM347

    P5.4/PWM448

    P5.5/PWM51

    DSCL2/P5.62

    DSDA2/P5.73

    RST

    4

    ASDA/P3.1/TXD8

    XO

    15

    XI

    16

    VSS

    17

    VCC

    41

    P1.0

    /T2

    40

    P1.1

    39

    P1.2

    38

    P1.3

    37

    P1.4

    36

    P1.5

    35

    P1.6

    34

    P1.7

    33

    NC

    19

    VSYNC 28

    NC 32

    P6.0/ADC0 20P6.1/ADC1 21P6.2/ADC2 22P6.3/ADC3 23

    P6.4 24P6.5 25P6.6/CLKO1

    26P6.7 27

    ASCL/P3.0/RXD5

    P3.2/INT09

    P3.3/INT1

    10

    P3.4/T011

    P3.5/T112

    P7.6/CLKO213

    P7.714

    NC

    18

    NC

    6

    NC

    7

    NC 42NC 43

    NC 29NC 30

    NC 31

    R129 0R/6/NCR128 0R/6/NCR127 0R/6/NC

    R97

    4.7k/6/NC

    R317 0R/6

    R1456.8K/6/NC

    R14410k/6/NC

    R102

    0R/6/NC

    U24

    CD4052SOP16

    B01

    B22

    BN3

    B34

    B15

    INH6

    VEE7

    GND8 S1 9

    A2 15

    A1 14

    AN 13

    A3 11A0 12

    VCC 16

    S0 10

    +

    C200

    10uF/25V/NC

    1

    2

    R109 0R/6/NC

    C199

    0.1uF/6/NC

    R100

    0R/6/NC

    C8210pF/6/NC

    R89 100R/6

    R117 0R/6/NC

    R121 0R/6/NC

    A B C D E

    4 4

    VS_TUNER

    TU_SDA SDA

    VCC+5Vt

    VCC

    SDA 2,4,6,11

    13C841uF/6

    1

    CB710.1uF/6

    L49Bead_121_4A/8

    U18

    FQ1216ME

    NC/VTout

    Vb(+5V)

    SCL

    SDA

    AS

    2ndIFout

    CVBSout

    VIF(+5V)

    AFout

    AF-R

    TH1 17

    TH2 18

    TH3 15

    TH4 16

    NC/AGC

    AF-L

    +CE13330uF/25V

    1+

    CE12330uF/25V

    1

    R155 10k/6

    C833300pF/6

    1

    L18

    10uHRC1206

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    A B C D E

    3 3

    2 2

    1 1

    TU_AV1 TU_CVBS

    VS_IF

    VIN

    TU_S

    DA_

    IN

    TU_A

    V1

    TUMP

    X1

    VS_IF

    VS_T

    UNER

    MPX1

    TU_SCL

    TUMPX1

    SC L

    TU_S

    CL_

    IN

    TU_SDA

    TU_SC L

    VIN

    VCC

    VCC

    DV33A

    DV33A

    +12V+8V

    +5Vt+8V

    VCC

    VCC

    CVBS1 4

    SCL 2,4,6,11

    MPX1 4

    SCART_CVBS_OUT 10

    Title

    Size Document Number R ev

    Date: Sheet of

    C3B

    TUNERCustom

    8 14Tuesday, May 29, 2007

    PROJECT :E9T-PV

    N-MOSFET

    N-MOSFET

    L51Bead_121_4A/8/NC

    C89330pF/6

    1

    2

    CB720.1uF/6

    C853300pF/6

    1

    2

    R39418R/6

    L19

    10uHRC1206

    QF12N70022

    C2100.1uF/6/NC

    R15110k/6

    C2050.1uF/6/NC

    1uF/62

    +

    C208100uF/16V/NC

    0.1uF/6

    Q102N39042

    1

    3

    +

    CE55330uF/25V/NC

    L20

    2.2uH/8

    R395

    56R/6

    C871uF/6/NC

    1

    2

    +

    C20622uF/25V/NC

    +

    C20910uF/16V/NC

    R154

    56R/6

    L50Bead_121_4A/8/NC

    R15375R/6F

    R1463.3k/6

    R39675R/6F

    Q342N39042

    1

    3

    C204100uF/16V/NC

    R1500R/6

    R1520R/6

    U267805/NC

    GND

    2

    OUT 3VIN1

    2 3 4 5 611

    12

    13

    1491

    10

    R329 100R/6QF22N70022

    13

    +

    CE14330uF/25V

    1

    2

    R156 10k/6

    L48Bead_121_4A/8/NC

    L21

    Bead_121_4A/8

    330uF/25V

    2

    C900.01uF/6

    U257808/NC

    GND

    2

    OUT 3VIN1

    C8847nF/6

    1 2

    330uF/25V 23300pF/6

    2

    C2070.1uF/6/NC

    R39310R/6

    C861uF/6

    1

    2

    +

    CE16330uF/25V/NC

    R14710R/6 R149

    18R/6

    +

    CE15330uF/25V

    12

    R14875R/6F

    R330 100R/6

    A B C D E

    4 4

    AV_SY0

    AV0_INAVSVL

    SY0_INSY0 4

    L220R/6

    C92

    CN2S-VIDEO +RCA

    TEKCON_RCAJ ACK-SJ ACK

    2 5 R15875R/6F C94

    330 F/6

    1

    C91 47nF/6

    1 2

    C93

    R157

    0R/6D30

    1

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    A B C D E

    4 4

    3 3

    2 2

    1 1

    CVBS0_IN

    AV0_GNDSC0_IN

    SY0_GND

    SY0_IN

    SC0_GND

    AVSVR

    AV_SC0

    AVSVR

    AV0_GND

    AV0_IN

    SY0_GND

    SC0_IN

    SC0_GND

    AVSVL

    CVBS0 4

    SC0 4

    AV0SY0_L 11

    AV0SY0_R 11

    Title

    Size Document Number Rev

    Date: Sheet of

    C3B

    AV/SV/AUDIOCustom

    9 14Tuesday, May 29, 2007

    PROJECT :E9T-PV

    R16256R/6

    FB6

    0R/6

    C104330pF/6

    1

    2

    330pF/6

    C99

    330pF/6/NC

    L230R/6

    D34EZJ Z0V800AA/NC

    1

    2

    C100

    330pF/6/NC

    C98330pF/6

    1

    2

    FB7

    0R/6

    G G

    C Y

    1

    3

    4

    7

    68

    9

    10

    C95 47nF/6

    1 2

    D31EZJ Z0V800AA/NC

    1

    2

    L250R/6

    330pF/6

    2

    L260R/6

    FB50R/6

    R159

    0R/6C96

    330pF/6

    330pF/6

    R40247K/6/NC

    D32EZJ Z0V800AA/NC

    1

    2

    R161

    18R/6

    R16075R/6FC97

    330pF/6

    C106

    330pF/6/NC

    C101 47nF /6

    1 2

    C102

    330pF/6/NC

    L240R/6

    C105

    330pF/6/NC

    R401

    47K/6/NC

    C103

    330pF/6/NC

    D33EZJ Z0V800AA/NC

    1

    2

    EZJ Z0V800AA/NC

    2

    5 4 3 2 1

    D D

    ADC_IN0

    SY 0

    SOY1

    SCT1_CVBS

    SCT1_FS_INSCART_FB

    SCT1_AV_IN

    ADC_IN0 4SCART_FB 4

    SOY1 4

    CVBS2 4

    SCART PIN8 VIDEO STATUS SCART PIN16 RGB STATUS

    R18475R/6F

    R163 0R/6

    C1074.7nF/6

    1 2

    L270R/6

    C111330pF/6

    1

    2

    R16756R/6

    C110

    330pF/6/NC

    C109

    330pF/6/NC

    C10847nF/6

    1 2

    R18310k/6

    D43EZJ Z0V800AA/NC

    1

    2

    R181 33k/6

    R165 18R/6

    D44EZJ Z0V800AA/NC

    1

    2

    D36EZJ Z0V800AA/NC

    1

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    5 4 3 2 1

    C C

    B B

    A A

    PB1N

    Y1P

    AVPB1P

    AVPR1P

    Y1N

    PB1P

    PR1P

    AVY1P

    PR1N

    SCT1_AVI_GND

    SCT1_G_IN

    SCT1_R_GND

    SCT1_R_IN

    SC1SCART_SC1_INAVPR1P

    AVR_OUT

    AVL_OUTSCT1_B_IN

    SCT1_G_IN

    SCT1_B_GND

    SCT1_R_IN

    SCT1_G_GND

    SCT1_AUL_OUT

    SCT1_AV_OUT

    SCT1_FS_IN

    SCT1_AVO_GND

    SCT1_AUR_INSCT1_AV_IN

    SCT1_AUR_IN

    SCT1_R_GND

    SCT1_AVI_GND

    SCT1_AUL_OUT

    SCT1_AUR_OUT

    SCT1_B_INSCT1_AUL_IN

    SCART_FB

    SCT1_AUL_IN SCT1_AUR_OUT

    SCT1_AV_OUT

    SCT1_B_GND

    AVY1N

    AVPR1N

    AVPB1N

    SCT1_G_GND

    VCC

    Y1P 4

    PR1N 4

    PR1P 4

    PB1N 4

    Y1N 4

    PB1P 4

    SC1 4

    SCT1_AUL_IN 11

    AVL_OUT 11 SCT1_AUR_IN 11

    AVR_OUT 11

    SCART_CVBS_OUT8

    Title

    Size Document Number R ev

    Date: Sheet of

    C3B

    SCART FULL FUNCTIONCustom

    10 14Tuesday, May 29, 2007

    BYPASS VIDEO OUTPUT

    AV / Y IN

    TV MODE:0V~2V

    WIDESCREEN MODE(16:9):4.5V~7.0VTV MODE(4:3):9.5V~12V COMPONSITE MODE:0V~0.4V

    RGB MODE:1V~3V

    SCART FUNCTION SELECTION

    SCART1 AUDIO BYPASS OUT SCART AUDIO INPUT

    PROJECT :E9T-PV

    RGB/C IN

    C124

    330pF/6/NC

    +

    CE18330uF/25v

    C12315pF/6

    1

    2

    D35EZJ Z0V800AA/NC

    1

    2

    Q112N3904

    2

    1

    3

    C115

    330pF/6/NC

    R38947k/6/NC

    R178 100R/6

    R169

    47k/6/NC

    C125

    330pF/6/NC

    C1220.01uF/6

    1 2

    C2380.1uF/6/NC

    1

    2

    CB730.1uF/6

    1

    2

    Q302N3906

    2

    1

    3

    R172 100R/6

    R170 68R/6

    C1260.01uF/6

    1 2

    C119

    330pF/6/NC

    2

    +

    CE1710uF/25V

    R176 68R/6

    C114

    330pF/6/NC

    R17175R/6F

    R173 68R/6

    +

    CE49330uF/25v

    R18675R/6F

    C120

    330pF/6/NC

    p / /

    R166

    47k/6/NC

    R39047k/6/NC

    R1851k/6

    R175 100R/6

    C1170.01uF/6

    1 2

    R179 0R/6

    C2390.1uF/6/NC

    1

    2

    R1640R/6

    C1120.01uF/6

    1 2

    FB8

    0R/6

    p / /

    D38EZJ Z0V800AA/NC

    1

    2

    R17475R/6F

    R37675R/6F

    R3710R/6F/nc

    R392

    75R/6F

    C2400.1uF/6/NC

    1

    2

    D42EZJ Z0V800AA/NC

    1

    2

    C128

    330pF/6

    1

    2

    L280R/6

    C11815pF/6

    1

    2

    C11315pF/6

    1

    2

    R3720R/6F/NC

    D39EZJ Z0V800AA/NC

    1

    2

    C12747nF/6

    1 2

    R1680R/6

    P3

    SCART

    2

    4

    6

    8

    10

    12

    14

    16

    18

    20

    1

    3

    5

    7

    9

    11

    13

    15

    17

    19

    21

    22

    23

    D37EZJ Z0V800AA/NC

    1

    2

    D45EZJ Z0V800AA/NC

    1

    2

    L300R/6

    R1801k/6

    C1210.01uF/6

    1 2

    D40EZJ Z0V800AA/NC

    1

    2

    C2410.1uF/6/NC

    1

    2

    R375470/6

    R17775R/6F

    C1160.01uF/6

    1 2

    D41EZJ Z0V800AA/NC

    1

    2

    2

    L290R/6

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    A B C D E

    4 4

    AN0 AP0AN1 AP1AN2 AP2

    PANEL PW

    VCC+12V

    DV33A DV33A

    LOCATION LVDS VCC

    L33

    L34

    VCC

    +12V

    L33 Bead_121_4A/8

    R236 0R/6/NCL34 Bead 121 4A/8/NC

    CN3

    1 23 45 6

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    A B C D E

    3 3

    2 2

    1 1

    CLK1PCLK1N

    AP[0..7]

    AN[0..7]

    CLK2PCLK2N

    CLK1N CLK1PAN3 AP3AN4 AP4

    AN5 AP5

    AN6 AP6CLK2N CLK2PAN7 AP7

    GPIO28

    PANEL_PW

    DV33A LVDSVDD

    LVDSVDD

    AP[0..7] 4

    AN[0..7] 4

    CLK1P 4CLK1N 4

    CLK2P 4CLK2N 4

    GPIO284

    Title

    Size Document Number R ev

    Date: Sheet of

    C3BLVDS OUTCustom12 14Tuesday, May 29, 2007

    LVDS POWER

    HI = > LVDS POWER ON

    LO = > LVDS POWER OFF

    PROJECT :E9T-PV

    LVDS

    + CE42330uF/25V

    1

    2

    +

    C143

    47uF/16V

    1

    2

    C1450.1uF/6

    1

    2

    R244

    1M/6/NC

    CB910.1uF/6

    R237

    10k/6/NC

    + CE40330uF/25V

    1

    2 + CE41

    330uF/25VCAR315

    R239

    0R/6/NC

    C246

    0.1uF/6

    R243

    200k/6

    R31210k/6/NC

    R236 0R/6/NC

    QF3

    2N7002

    SOT23

    2

    1

    3

    C1440.1uF/6

    R238

    10k/6/NC

    R241

    100k/6

    L34 Bead_121_4A/8/NC

    CB900.1uF/6

    R240

    0R/6/NC

    Q19

    SI9435

    234 5

    76

    81

    1841-30P

    7 89 1011 1213 1415 1617 18

    19 2021 2223 2425 2627 2829 30

    + CE39330uF/25V

    1

    2

    R242

    10k/6

    5 4 3 2 1

    D D

    ENABLE+12V_AMP

    +12VAUDIO +12V_AMP DV33A+12V_AMP

    GPIO204

    OFF_MUTE

    U21MAX809-S SOT-23 2.93V RST/NC

    SOT23

    VCC

    3

    RSTN

    2

    GND

    1

    R24510k/6

    EB

    C

    SOT

    23 Q35

    2N3904/NC

    2

    3

    1

    EB

    C

    SOT

    23 Q20

    2N3904

    2

    3

    1

    R29910k/6

    R4121k/6/NC

    R246 10k/6

    + CE43100uF/16V

    1

    2

    R298

    4.7k/6/NC

    C1460.1uF/6

    2

    L35Bead_121_4A/8

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    C C

    B B

    A A

    ENABLE

    ENABLE

    AMP_GND

    AMP_GND

    +12V_AMP

    OUT2-

    OUT1-

    OUT2+

    OUT2+

    OUT1-

    OUT2-

    OUT1+

    OUT1+

    GPIO204

    +12VAUDIO 2,11

    AMP_L11

    AMP_R11

    Title

    Size Document Number R ev

    Date: Sheet of

    C3B

    AUDIO AMPCustom

    13 14Tuesday, May 29, 2007

    Reset circuit

    PROJECT :E9T-PV

    L37Bead_121_4A/8C147

    0.1uF/6

    R25247k/6

    C180680nF/6

    C1691uF/6

    R27210k/6

    L42 22uH

    L41 Bead_121_4A/8

    C1541uF/6

    C175680nF/6

    C155180pF/6

    C157100pF/6

    R270 1M/6/NC

    C1631uF/6

    R25810k/6

    R26647k/6

    C1721uF/6

    L39Bead_121_4A/8

    C1851uF/6

    C179470pF/6

    C174470pF/6

    R274

    220k/6

    R25610R/12

    R26810R/12

    C178180pF/6

    C1480.1uF/6

    L38Bead_121_4A/8

    C1510.1uF/6

    R27347k/6

    R25110k/6

    CON2

    4606-04-04P-R

    1234

    L36Bead_121_4A/8

    C158470pF/6

    C184180pF/6

    C156220nF/6 C160

    0.1uF/6

    L45 22uH

    C168330nF/6

    TP45

    C150330uF/25V

    C183220nF/6

    L40Bead_121_4A/8

    R27110R/12

    R267 1M/6/NC

    TFA9810

    VDDA1

    4

    VSSA1

    5

    IN1P2

    IN1M3

    IN2P15

    IN2M14

    OUT2P 23

    OUT1P 26

    OUT1M 28

    OUT2M 21

    VDDP1

    25

    VDDP2

    24

    VSSP1

    30

    VSSP2

    19

    BOOT1P

    27

    BOOT2M 20

    STABI1 31

    ENABLE7

    SO/OL6

    DIAG10

    VSSD

    16

    VSSD

    17

    VSSD

    1

    VSSD

    32

    VDDA2

    13

    VSSA2

    12

    BOOT1M 29

    BOOT2P 22

    STABI2 18

    TEST11

    CDELAY8

    N.C.

    9

    R24810R/12

    C159680nF/6

    L44 22uH

    R259

    47k/6

    R263

    10R/12

    R261220k/6

    C149330uF/25V

    C182100PF

    C167220nF/6

    C1520.1uF/6

    C1660.1uF/6

    C1760.1uF/6

    R249220k/6

    R257 1M/6/NC C164470pF/6

    C165680nF/6

    C1810.1uF/6

    D48LL4148/NC

    1

    R26510k/6

    R26010R/12

    R255 1M/6/NC

    C1701uF/6

    L43 22uH

    C173220nF/6 C177

    470nF/6

    C162470nF/6

    R247

    10k/6

    R254

    10R/12

    R262220k/6

    C161180pF/6

    5 4 3 2 1

    D D

    VO-VO+CH+CH-MENUSOURCE

    SB33BSB33B

    PW_KEY 4,7

    MTK ADC 0V~2.8V

    2.49V

    2.2V

    1.59V

    1.1V

    0.58V

    0.22V

    R281R278 R282

    R275

    6.8k/6

    R27610k/6

    R279

    C186R280R277

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    5 4 3 2 1

    C C

    B B

    A A

    LED_GLED_R

    VO- VO+ CH+ CH- PW_KEY SOURCE MENULED_GLED_R IR

    VO-VO+

    MENU

    CH+

    PW_KEYSOURCE

    CH-

    LED_GLED_R

    LED_RLED_G

    SB33B DV33A

    5VSB

    5VSB5VSB 5VSB 5VSB 5VSB 5VSB 5VSB 5VSB 5VSB 5VSB

    FCLK_GPIO4

    ERO1_UP3_14

    ADC_IN14

    IR4,7

    Title

    Size Document Number R ev

    Date: Sheet of

    C3B

    ADC KEYPAD & IRCustom

    14 14Tuesday, May 29, 2007

    PROJECT :E9T-PV

    CN4

    4501-04-05P-R

    12345

    L60 Bead_121_4A/8

    D54BAV99L/NC

    2

    3

    1

    L67 FB/6

    C19420pF/6

    R281

    6k/6

    L61Bead_121_4A/8

    L74 FB/6

    R278

    1k/6

    D57BAV99L

    2

    3

    1

    R282

    9.1k/6

    C192

    0.1uF/6/NC

    L62 Bead_121_4A/8

    C250

    NC/10pF

    R2850R/6

    L71 FB/6

    C193

    0.1uF/6/NC

    C252

    NC/10pF

    Q232N39062

    1

    3

    C255

    NC/10pF

    C191

    0.1uF/6/NC

    C187

    0.1uF/6/NC

    R 413 1AF USE/6

    L68 FB/6

    R279

    2k/6

    Q242N3906

    2

    1

    3

    D53BAV99L

    2

    3

    1D55BAV99L/NC

    2

    3

    1D58BAV99L/NC

    2

    3

    1

    R33410k/6

    J 1

    HEADER 10pin (2mm)

    123456789

    10

    C257

    NC/10pF

    C188

    0.1uF/6/NC

    C186

    20pF/6

    CB920.1uF/6

    R391

    47K/6/NC

    L72 FB/6

    L66 FB/6

    R280

    3k/6

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    Size Document Number Rev

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    01. Contents

    1 1Tuesday, May 29, 2007

    B3AKey Board

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    A B C D E

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    Size Document Number R ev

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    1 1Tuesday, May 29, 2007

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    PROJECT : AT1922

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