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32&42&47 Digital LCD TV AOC D32W831&D42H831&D47H831
Service
Service
Service
Horizontal Frequency
32":31~60 kHz
42"/47":31~65 kHz
TABLE OF CONTENTS
Description Page Description Page
Table Of Contents......................................................1 6.3.Tuner Board..................................................26
Important Safety Notice...................................................2 6.4.Key Board.....................................................26
Revision List.........................................................3 6.5.IR Board.......................................................26
1. General Specification...............................................4 7.Adjustment........................................................27
2. Operating Instructions.........................................5
8. Block Diagram........................................................28
2.1. Remote Control.................................................5
9. Schematic......................................................47
2.2. Control Buttons and Connections..........................6
9.1.Main Board....................................................47
2.3. Use the Menus..................................................9
9.2.Power Board..................................................57
2.4. Front Panel Control Knobs.................................10
9.3.Tuner Board..................................................62
3. Input/Output Specification.......................................11
4. Mechanical Instructions.........................................13 9.4.Key Board.....................................................70
5. Repair Flow Chart ..............................................16 9.5.IR Board.......................................................71
6. PCB Layout ....................................................21 10.Exploded View...............................................72
6.1.Main Board.......................................................21 11.BOM List.......................................................75
6.2.Power Board.....................................................24 12.Different Parts List......................................186
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
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32&42&47Digital LCD TV AOC D32W831&D42H831&D47H831
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.)
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32&42&47 Digital LCD TV AOC D32W831&D42H831&D47H831
Revision List
Version Release Date Revision Histoty Customer Model TPV Model
E32RMNNSW8AE2N
D32W831
E32RMNNSW8AE6N
A00 Sep.-12-2008 Initial Release D42H831 E42RMNNSW8AE6N
D47H831 E47RMNNSW8A2NN
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32&42&47Digital LCD TV AOC D32W831&D42H831&D47H831
1. General Specification
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32&42&47 Digital LCD TV AOC D32W831&D42H831&D47H831
2. Operating Instructions
2.1 Remote Control
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32&42&47Digital LCD TV AOC D32W831&D42H831&D47H831
2.2 Control Buttons and Connections
Control Buttons
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32&42&47 Digital LCD TV AOC D32W831&D42H831&D47H831
Connections
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32&42&47Digital LCD TV AOC D32W831&D42H831&D47H831
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32&42&47 Digital LCD TV AOC D32W831&D42H831&D47H831
2.3 Use the Menus
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32&42&47Digital LCD TV AOC D32W831&D42H831&D47H831
3. Input/Output Specification
3.1 Connectors
CONNECTORS
AC Power IEC : 3 Pin Cord
The display shall support an IEC C-13/C-14 (Standard) type male power receptacle for connection
to mains power.
AV Video Composite Input Connector
S-video S-video Input Connector
HD Component YPbPr RCA Video Input
Component
(480i, 480P, 720P, 1080i) Connectors
SPDIF output test(the black port)
Analog RGB : Rear side / Data Cable : 15-pin D-sub female
Pin