AOC LC32D1322, LC42D1322, LE32D1322 Schematic

32″& 42″LCD TV AOC LC32D1322-LC42D1322-LE32D1322

Service

31~64 KHz(LC32D1322/LE32D1322)

31~80KHz(LC42D1322)

TABLE OF CONTENTS

Description Page Description Page

Table of Contents.......……....................................…........1

Important Safety Notice.......................................……......2

Revision List…………………………………………………3

1. General Specification..............................……...…........4

2. Operating Instructions………………...…….……….......6

2.1 The Use of Remote Control…….…..……….…….......6

2.2 To Use the Menus….....………………….…..…….......7

2.3 How to Connect……..……………….…….……….....14

2.4 Front Panel Control Knobs…….………….……….....16

3. Input/Output Specification…………....................…....20

4. Mechanical Instructions…………………….................23

5. Repair Flow Chart ……………………….…….…….....35

6. PCB Layout ………………..…………………....….......42

6.1 Main Board…………..……………...…….…….......42

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE

6.2 Power Board……...…………..….…….……….......46

6.3 Key Board……………………….……..……….......55

6.4 IR Board………………………….……..……….......56

7. Adjustment..............................................................57

7.1 ADC Adjustment……………………..……...………57

7.2 FW Upgrade.………………………………...………58

8. Block Diagram.…….................................................59

9. Schematic Diagram…..…………....………………...60

9.1 Main Board…………………………………...….......60

9.2 Power Board…………..….….……...………….......77

9.3 Key Board……………….……….…………….........82

9.4 IR Board……………….……….…………….........84

10. Exploded View………………………………….…...86

11. BOM List……………….………………….………….92

Horizontal Frequency

CHASSISAND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING

ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.

Copyright © 2012 by TPV Corporation. All rights reserved. Specifications are subject to change without notice. No part of this publication may be reproduced in any form or means, without the prior written permission of TPV Corporation. Otherwise we will reserve the right to investigate the legal responsibility.

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

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.)

Revision List

Version Release Date Revision Instructions Customer Model TPV Model

LC32D1322 E32CA2NSW3B13NX

A00 Nov.9,2012 Initial release

LC42D1322 E42CG2NSW3B13NX

LE32D1322 E32CA2NSASB13NX

1. General Specification

Nota:

• Este modelo está em conformidade com as especificações listadas abaixo.

• O design e as especificações estão sujeitas a alterações sem prévio aviso.

• Este modelo pode não ser compatível com as apresentações e/ou especificações que podem ser acrescidas no futuro

Nota:

• Este modelo está em conformidade com as especificações listadas abaixo.

• O design e as especificações estão sujeitas a alterações sem prévio aviso.

• Este modelo pode não ser compatível com as apresentações e/ou especificações que podem ser acrescidas no futuro.

2. Operating Instructions

2.1 The Use of Remote Control

2.2 To Use the Menus

8 9 10

13 14

2.3 How to Connect

15 16

2.4 Front Panel Control Knobs

17 18

Only for LE32D1322

19 20

3. Input / Output Specification

3.1 RGB Signal Input

15 - Pin Color Display Signal Cable

Pin No. Description Pin No. Description

1 Red Video 9 +5V 2 Green Video 10 Ground 3 Blue Video 11 RXD 4 TXD 12 Serial Data for DDC 5 Ground 13 H-Sync. 6 Red Ground 14 V-Sync. 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground

3.2 HDMI Digital Connector Pin Assignments

Pin No. Description Pin No. Description

1 TMDS Data2+ 2 TMDS Data2 Shield 3 TMDS Data2- 4 TMDS Data1+

5 TMDS Data1 Shield 6 TMDS Data1-

7 TMDS Data0+ 8 TMDS Data0 Shield 9 TMDS Data0- 10 TMDS Clock+

11 TMDS Clock Shield 12 TMDS Clock13 CEC 14 NC 15 SCL 16 SDA 17 DDC/CEC Ground 18 +5V Power 19 Hot Plug Detect

3.2 Compatible Mode Table

Analog RGB Input Signal Timing

No Resolution H-freq.(kHz) V-freq. (Hz) Pixel clock (MHz) Mode

1 640x480 31.469 59.940 25.175 VGA

2 640x480 37.861 72.809 31.500 VGA

3 640x480 37.500 75.000 31.500 VGA

4 720x400 31.469 70.087 28.322 VGA

5 800x600 35.156 56.250 36.000 SVGA

6 800x600 37.879 60.317 40.000 SVGA

7 800x600 48.077 72.188 50.000 SVGA

8 800x600 46.875 75.000 49.500 SVGA

9 1024x768 48.363 60.004 65.000 XGA

10 1024x768 56.476 70.069 75.000 XGA

11 1024x768 60.023 75.029 78.750 XGA

12 1280x768 47.776 59.870 79.500 WXGA

13 1360x768 47.712 60.015 85.500 WXGA

14 1280x1024 63.981 60.020 108.000 SXGA

Only for LC42D1322

No Resolution H-freq.(kHz) V-freq. (Hz) Pixel clock (MHz) Mode

1 640x480 31.469 59.940 25.175 VGA

2 640x480 37.861 72.809 31.500 VGA

3 640x480 37.500 75.000 31.500 VGA

4 720x400 31.469 70.087 28.322 VGA

5 800x600 35.156 56.250 36.000 SVGA

6 800x600 37.879 60.317 40.000 SVGA

7 800x600 48.077 72.188 50.000 SVGA

8 800x600 46.875 75.000 49.500 SVGA

9 1024x768 48.363 60.004 65.000 XGA

10 1024x768 56.476 70.069 75.000 XGA

11 1024x768 60.023 75.029 78.750 XGA

12 1280x768 47.776 59.870 79.500 WXGA

13 1360x768 47.712 60.015 85.500 WXGA

14 1280x1024 63.981 60.020 108.000 SXGA

15 1280x1024 79.98 75.02 135.000 SXGA

HDMI Input Signal Timing

No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock (MHz) Mode

1 720*480 15.734 60 27 SDTV 480I

2 720*480 31.5 60 27.00/27.03 SDTV 480P

3 720*576 15.625 50 27 SDTV 576I

4 720*576 31.25 50 54 SDTV 576P

5 1280*720 37.5 50 74.25 HDTV 720P

6 1280*720 44.96 / 45 59.94 / 60 74.17/74.25 HDTV 720P

7 1920*1080 33.72 / 33.75 59.94 / 60 74.17/74.25 HDTV 1080I

8 1920*1080 28.125 50 74.25 HDTV 1080I

9 1920*1080 26.97/27 23.97/24 74.17/74.25 HDTV 1080P

10 1920*1080 26.98 25 74.25 HDTV 1080P

11 1920*1080 33.716/33.75 29.976/30.00 74.25 HDTV 1080P

12 1920*1080 56.25 50 148.5 HDTV 1080P

13 1920*1080 67.43/67.5 59.94/60 148.35/148.50 HDTV 1080P

4. Mechanical Instructions

LC32D1322

1. Remove the screws to remove BASE.

2. Remove the screws to remove REAR COVER.

3. Remove the screws to remove MAIN BOARD, POWER BOARD, SPEAKERS and BKT.

4. Remove the screw to remove BKT.

5. Remove the screws to separate the Panel and Bezel, remove the screws to remove IR BOARD.

6.The BEZEL.

LC42D1322

1. Remove the screws to remove BASE.

2. Remove the screws to remove REAR COVER.

3. Remove the screws to remove MAIN BOARD, POWER BOARD, IR BOARD, SPEAKERS and BKT.

4. Remove the screws to remove BKT.

5. The PANEL.

6. The BEZEL.

LE32D1322

1. Remove the screws to remove BASE.

2. Remove the screws to remove REAR COVER.

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