Service Manuals, User Guides, Schematic Diagrams or docs for : AOC LCD L32W981, L37W981, L42W98H L32W981,+L37W981,+L42W98H

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L32W981,+L37W981,+L42W98H


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32&37&42LCD TV                                                                          AOC L32W981&L37W981&L42W98H


Service
Service
Service




                                                              TABLE OF CONTENTS

Description                                                         Page      Description                                                       Page

Table Of Contents......................................................1      6.1.Main Board.................................................27
Important Safety Notice...................................................2   6.2.Power Board.................................................30
Revision List.........................................................3       6.3.Key Board.............................................36
1. General Specification...............................................4      6.4.IR Board......................................................36
2. Operating Instructions.........................................5           7. Adjustment............................................................37
2.1. The Use Of Remote Control.................................5              8. Block Diagram..................................................39
2.2. To Use The Menu............................................7             9. Schematic.....................................................40
2.3. How To Connect..............................................13           9.1 Main Board.................................................40
2.4. Front Panel Control Knobs.................................17             9.2.Power Board...............................................58
3. Input/Output Specification.......................................18        9.3.Key Board................................................60
4. Mechanical Instructions.........................................20         10. Exploded View..............................................60
5. Repair Flow Chart ..............................................23         11.BOM List.......................................................63
6. PCB Layout ....................................................27          12.Different Parts List.........................................139



                                                               SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
   AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
   ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.


           CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING




                                                                          1
32&37&42LCD TV                                                          AOC L32W981&L37W981&L42W98H
Important Safety Notice
Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service
procedures recommended by AOC and described in this service manual are effective methods of performing service
operations. Some of these service operations require the use of tools specially designed for the purpose. The
special tools should be used when and as recommended.

It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in
order to minimize the risk of personal injury to service personnel. The possibility exists that improper service
methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE
NOT EXHAUSTIVE. AOC could not possibly know, evaluate and advise the service trade of all conceivable ways in
which service might be done or of the possible hazardous consequences of each way. Consequently, AOC has not
undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not
recommended by AOC must first satisfy himself thoroughly that neither his safety nor the safe operation of the
equipment will be jeopardized by the service method selected.
Hereafter throughout this manual, AOC Company will be referred to as AOC.

WARNING
Use of substitute replacement parts, which do not have the same, specified safety characteristics might create
shock, fire, or other hazards.


Under no circumstances should the original design be modified or altered without written permission from AOC.
AOC assumes no liability, express or implied, arising out of any unauthorized modification of design.
Servicer assumes all liability.


FOR PRODUCTS CONTAINING LASER:
DANGER-Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM.
CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may
result in hazardous radiation exposure.
CAUTION -The use of optical instruments with this product will increase eye hazard.


TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S
REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF
THIS SERVICE MANUAL.
Take care during handling the LCD module with backlight unit
-Must mount the module using mounting holes arranged in four corners.
-Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen.
-Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to
the panel.
-Protect the module from the ESD as it may damage the electronic circuit (C-MOS).
-Make certain that treatment person's body is grounded through wristband.
-Do not leave the module in high temperature and in areas of high humidity for a long time.
-Avoid contact with water as it may a short circuit within the module.
-If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth may
damage the panel.)




                                                            2
32&37&42LCD TV                                           AOC L32W981&L37W981&L42W98H
                                       Revision List

   Version   Release Date   Revision Instructions     Customer Model      TPV Model

                                                                       E328M2NBW8ACNN
                                                         L32W981
                                                                       E328M2NBW8AC2N
    A00      Aug.-19-2008       Initial Release          L37W981       E378A2NBW8ACNN

                                                         L42W98H       E428M2NBW8AC2N

                                                         L32W981       E32RX2NBW8AC2N
    A01      Nov.-21-2008      Add new BOM
                                                         L37W981       E37RA2NBW8AC2N

    A02      Dec.-16-2008      Add new BOM               L42W98H       E42RM2NBW8AC2N




                                                  3
32&37&42LCD TV                                                 AOC L32W981&L37W981&L42W98H



1. General Specification

 Model No.           L32W981        L37W981         L42W98H
                                               DISPLAY
 Aspect Ratio        16:9           16:9            16:9
 Resolution          1366 x 768    1366 x 768        1920 x 1080
                     English, German, French, Italian, Spanish, Portuguese, Dutch, Danish, Finnish,
 OSD Language
                     Swedish, Norwegian, Polish, Russian, Greek
                                          ENHANCEMENT
 Sound Output (RMS
                     2x5 W          2x10 W          2x10 W
 Watts)
 Sound Mode          Rock, Pop, Live, Dance, Techno, Classic, Soft
                     Automatic, Panorama, 4:3, Movie expand 14:9, Movie expand 16:9, 16:9 subtitle, Wide
 Picture Formats
                     screen
 Picture Mode        User, Cinema, Sport, Vivid, Hi-Bright
                                         CONNECTIONS
                     Tuner input (75) SCART 1 / SCART 2 PC IN :VGA and Audio cable

 Rear Connectors     Component Video and L/R Audio input SPDIF Output (Digital audio out) AV L/R Audio
                     Output HDMI 1 / HDMI 2

                     Earphone Output AV In (Composite Audio/ Video) S-Video
 Side Connectors
                     HDMI 3
                                       WEIGHT & DIMENSIOIN
                     783 mm         904 mm      1009.4 mm
 Product Dimension
                     209mm          230 mm      262.2 mm
 (W x D x H)
                     559 mm         629 mm      688.1mm
 Net Weight          11.3 kg        16 kg       21.3 kg
                                                POWER
 Operation (Max.)    < 170 W        < 200 W         < 250 W
 Standby             < 1W
                                    AC100-240
                     AC100-240V     V               AC100-240V
 Mains Power         2.4A           2.6A            2.8A
                     60-50Hz        60-50Hz         60-50Hz




                                                   4
32&37&42LCD TV                      AOC L32W981&L37W981&L42W98H
2. Operating Instructions
2.1 The Use of Remote Control




                                5
32&37&42LCD TV                                                           AOC L32W981&L37W981&L42W98H




Picture format
1. Press the RATIO button on the remote control to enter the picture format menu.
2. Press the o/oe buttons to select a picture format and press the OK button to confirm your choice.



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