Table of Contents
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31.5"LCD TV
Service
Service
Service
Description
Table of Contents............................................................1
Important Safety Notice...................................................2
Revision List.........................................................3
1. General Specification..................................................4
2. Operating Instructions............................................5
2.1 The Use of Remote Control...................................5
2.2 To Use the Menus................................................6
2.3 How to Connect................................................16
2.4 Front Panel Control Knobs..................................18
3. Input/ Output Specification....................................19
4. Mechanical Instructions.........................................21
5. Repair Flow Chart ..............................................24
6. PCB Layout ....................................................31
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
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
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.
TABLE OF CONTENTS
SAFETY NOTICE
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Page
Description
6.1 Power Board..................................................31
6.2 Key Board....................................................34
6.3 IR Board.......................................................34
7. Adjustment..............................................................35
8. Schematic Diagram..........................................36
8.1 Power Board..................................................36
8.2 Key Board.....................................................38
8.3 IR Board........................................................39
9. Exploded View..............................................40
10. BOM List...................................................42
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AOC LE32A3330/61
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Summary of Contents for AOC LE32A3330/61
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Page 1: Table Of Contents
31.5″LCD TV AOC LE32A3330/61 Service Service Service TABLE OF CONTENTS Description Page Description Page Table of Contents..……........…..1 6.1 Power Board……...…………..….…….………..31 Important Safety Notice........……..2 6.2 Key Board…...…………………………………..34 Revision List…………………………………………………3 6.3 IR Board…...……………………………………..34 1. General Specification......……...…..4 7. Adjustment..............35 2. Operating Instructions………………...…….………..5 8. Schematic Diagram…..…………..………………...36 2.1 The Use of Remote Control…….…..……….……..5... -
Page 2: Important Safety Notice
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. -
Page 3: Revision List
Revision List Version Release Date Revision Instructions Customer Model TPV Model Nov.9.2012 Initial release LE32A3330/61 E32C11NCCHA1NNX... -
Page 4: General Specification
1. General Specification Notes: • Designs and specifications are subject to change without notice. • This model may not be compatible with features and/or specifications that may be added in the future. -
Page 5: Operating Instructions
2. Operating Instructions 2.1 The Use of Remote Control... -
Page 6: To Use The Menus
2.2 To Use the Menus Picture Setting... - Page 7 Sound Setting Setting Menu...
- Page 8 Channel Search Note: This setting is only available in TV mode.
- Page 9 Manual search description 1. Select Channel Search menu. 2. Select Manual Search and press OK key or ► arrow key to get Manual search sub-menu Channel Edit Menu...
- Page 10 Other Adjustments Notes: • Passwords Setting, TV Lock, Blue Screen functions are available only in TV mode. • Noise Reduction, DCR, DCC will be enable only when the Picture mode is Personal. • Press Red key on remote control to reset Blue screen, Sleep time, Zoom, Noise Reduction, DCR,DCC, functions to the default settings.
- Page 11 Sound and OSD...
- Page 12 PC setting Notes: • If the PC is connected to the TV and no signal has been input from the PC for more than 30 seconds, the TV enters the standby mode automatically. • This setting is only available in VGA source...
- Page 13 Media Functions(USB) TV USB port can be used to view JPEG photos, play mp3 music and Video files, and read text present in USB devices. Entering to USB Media: Press the Direct USB key on remote to get USB Media menu as shown above Press the Source key and ▲/▼/◄/►...
- Page 14 USB menu settings for Photo Slide show Press OK key to get following Menu setup shown above. 1. [Transition Effect] : Select the slide transition as None, Top To Bottom, Bottom To Top, Left To Right, Right To Left, Random. 2.
- Page 15 Reading Text files 1. Thumbnail of the available text files will be displayed on the screen. If no files are displayed then select the folder containing the text files. 2. To read particular text file select the required file and press OK key. 3.
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Page 16: How To Connect
2.3 How to Connect You can enjoy standard-definition and high-definition digital programming (if available in your area), along with standard-definition analog programming. It is strongly recommended that you connect the antenna/cable input using a 75-ohm coaxial cable to receive optimum picture quality. A 300- ohm twin lead cable can be easily affected by radio frequency interference, resulting in signal degradation. - Page 17 PC Connection Use the TV as a monitor for your PC shown below with the HD15 to HD15 connection. This TV can also be connected to a PC with DVI or HDMI output. • Connect the PC IN jack to the PC using the HD15- HD15 cable with ferrite core (analog RGB) and audio cable. •...
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Page 18: Front Panel Control Knobs
2.4 Front Panel Control Knobs... -
Page 19: Input/ Output Specification
3. Input / Output Specification RGB Signal Input 15 - Pin Color Display Signal Cable Pin No. Description Pin No. Description Red Video Green Video Sync Ground Blue Video Not Used Not Used Serial Data for DDC Ground H-Sync. Red Ground V-Sync. - Page 20 Compatible Mode Table LE32A3330/61 RGB Input Signal Timing Screen Vertical Horizontal Sync Polarity Presence Mode Dots × Lines Frequency Frequency Horizontal Vertical Horizontal Vertical FULL (Hz) (KHz) (16:9) 640 X 480 59.9 31.5 800 X 600 37.9 1024 X 768 48.3...
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Page 21: Mechanical Instructions
4. Mechanical Instructions 1. Remove the screws to remove BASE. 2. Remove the screws to remove REAR COVER. - Page 22 3. Remove the screws to remove SPEAKERS, MAIN BOARD and POWER BOARD. 4. Remove the IR board.
- Page 23 5. Remove the screws to remove the Panel.
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Page 24: Repair Flow Chart
5. Repair Flow Chart 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board Replace the power board output=5.2V? Check the IR board and LED Replace the IR board Replace the main board... - Page 25 2. Can’t start Can’t start (LED red) Replace the power board Power board output＝12/16V? Replace the key board Check the power key is under control? Replace the IR board Check the IR receiver is normal? Replace the main board Replace the Power board...
- Page 26 3. Abnormal display Abnormal Display Reset the source Check the source Enter factory mode to do “EEPROM initial”&“Reset” Replace the main board Check the main board Check the LVDS cable Replace the LVDS cable Check the panel Replace the panel...
- Page 27 4. No display No display (No LED) Check TV is under control and power Replace the main board on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the B/L signal is available? Reinsert or replace the LVDS cable Replace main board...
- Page 28 5. Sound problem No sound or sound abnormal Check the audio source connection and the TV system are correct? Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Enter factory mode to do “Reset”...
- Page 29 6. Remote control malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board...
- Page 30 7. OSD is unstable or can’t work normally OSD is unstable or can’t work normally Key board connected properly? Reconnect the key board Replace the button function Buttons are OK? Replace the key board Key board is OK? Enter factory mode to do “Reset” Replace the main board...
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Page 31: Pcb Layout
6. PCB Layout 6.1 Power Board 715G5508P01001002M... -
Page 34: Key Board
6.2 Key Board 715G5298K01000004S 6.3 IR Board 715G5671R01000004X... -
Page 35: Adjustment
7. Adjustment (Take other model for example) ADC Adjustment 1. Factory Mode Turn on the TV. Press RC key ‘menu’+’1’+’9’+’9’+’9’ or ‘menu’+’1’+’9’+’9’+’9’+’ok’.It will achieve the factory mode. 2. ADC Adjustment (It’s no need to adjust ADC.) (1) Enter into the factory mode :(same as the above-mentioned) (2) Select item “Source”: Ypbpr a. -
Page 36: Schematic Diagram
8. Schematic Diagram 8.1 Power Board 715G5508P01001002M BD901 FB9102 BEAD TS6B06G-05-X0 R9114 47 OHM 1/4W RV9901 C9144 C9145 C9103 C9136 68UF 450V 68UF 450V C9126 2.2nF 630V R9115 47 OHM 1/4W TVR14561KFAOZF FB9104 FB9105 R9116 C9110 BEAD BEAD 47 OHM 1/4W 2N2 50V C9101 C9102... - Page 37 C8116 47pF L8101 D8101 R8118 D8103 1M 1/6W 5% MBRD10150D VLED+ +24V LED1 33UH R8119 C8112 C8101 C8102 C8113 150K 1/8W 5% 330UF 35V C8105 C8106 R8116 100UF 63V 100UF 63V 100K 1% 1/4W 100N 50V BAV99 D8104 ON/OFF Q8101 C8115 R8117 AOD4126...
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Page 38: Key Board
8.2 Key Board 715G5298K01000004S SW01 VOL+ 2.48V~2.72V TACT SW FWRD H1.5MM 7K5 1/8W +/-1% SW02 VOL- 2.04V~2.22V TACT SW FWRD H1.5MM 2K7 1/8W 1% SW03 1.58V~1.79V TACT SW FWRD H1.5MM 1K8 +/-1% 1/8W CN01 SW04 FUNC_KEY 1.24~1.45V PWR-SW TACT SW FWRD H1.5MM CONN 1K 1/8W 1% SW05... -
Page 39: Ir Board
8.3 IR Board 715G5671R01000004X 081G 14 24 EL LED201 033G8032 5F HR LED_R R202 220 OHM 1/10W Top View LED_B R203 220 OHM 1/10W CN201 U201 R201 15K 1/16W R0402 10 mm R204 SMD IR IRM-H938M3/TR2 100R 1/10W 5% CONN R0603 C201 2.2UF 16V... -
Page 40: Exploded View
9. Exploded View... - Page 41 Item Description REAR_COVER DECO_BEZEL BASE COVER_STAND LENS_POWER COVER_FUNCTION LENS_IR BKT_HINGE DIE-CASTING BKT_IO ADAPTER BOARD FOOT PAD PCB-SUPPORT MAIN BOARD TAPE_INSULATING Item Part No. Description IPTV BOARD 0M1G1030 6 47 CR3 SCREW(REAR COVER/BEZEL) IO LABEL 0M1G1730 8120 SCREW 3x8(POWER BOARD) BKT_IO 0M1G1740 8120 SCREW FOR STD/MF 42-D020715/42-D000649(HINGE/PANEL) KEY BOARD...
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Page 42: Bom List
10. BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. LE32A3330/61 E32C11NCCHA1NNX Location Part No. Description Remark 052G 1186 SMALL TAPE 052G... - Page 43 CN01 311GW125D04ADJ WAFER 1.25mm 4P R/A 1.25T-11-4PWB 709T52980XS001 COMSUPTIVE ASS'Y E715 715G5298K01000004S KEY BOARD PCB E750 LCV315TU4AXA08011X PANEL TPT315B5-TU4A R00A XM TPV P12G6311010 RUBBER PAD SILICONE P15T1414C01000GMZ1 BKT_IO P15T1442C01000GMZ1 BKT_IO P15T1619101 BKT_HINGE SGCC 1.2 mm P20G0029001 DIE-CASTING P33T0359ADTV1L0100 COVER_FUNCTION P33T0361ADT01L0100 P33T03900ED01C0100 LENS_IR P33T0391XHZ01C0100...
- Page 44 HS9102 Q90G0219 3 HEAT SINK IC9105 056G 158501 IC AS431AN-E1 SOT23 IC8104 056G 368909 Others IC TPS54231DR SO-8 IC9101 056G 379190 AC/DC CONVERTER LD7750RGR SOP-7 IC9901 056G 665142 Others CAP004DG-TL SOP-8 IC8501 056G 700 34 LED DRIVER PF7001S SOP-14 Q8101 057G 600923 MOSFET AOD4126 TO-252 Q9105...
- Page 45 JR9102 061G1206000 JF RST CHIPR MAX0R05 1/4W FENGHUA R8103 061G1206000 JI RST 1206 MAX0R05 5% 1/4W R9161 061G1206000 JI RST 1206 MAX0R05 5% 1/4W R9110 061G1206100 JF RST CHIPR 10 OHM +-5% 1/4W FENGHUA R8110 061G12061003FI RST 1206 100K 1% 1/4W R8116 061G12061003FI RST 1206 100K 1% 1/4W...
- Page 46 C9114 065G080510532K CAP 0805 1UF 10% 50V X7R C9147 065G080510532K CAP 0805 1UF 10% 50V X7R C9123 065G080515332K CAP CHIP 0805 15N 50V X7R +/-10% C9110 065G080522232K CAP CHIP 0805 2N2 50V X7R +/-10% C9121 065G080522232K CAP CHIP 0805 2N2 50V X7R +/-10% C9109 065G080522332K CAP CHIP 0805 22N 50V X7R +/-10%...
- Page 47 C9901 006G 31502 EYELET RV9901 006G 31502 EYELET L9901 006G 31502 EYELET IC9103 056G 158 12 Shunt Regulator KIA431A-AT/P TO-92 Q8111 057G 417513 T TRA 2N3904 TO-92 Q8105 057G 417513 T TRA 2N3904 TO-92 Q8112 057G 417513 T TRA 2N3904 TO-92 Q8113 057G 417513 T TRA 2N3904 TO-92...
- Page 48 Q40G0003615D90 OTHER LABEL Q45G99010TV03900WN PROTECT BAG Q50G 4 10 TIE (Y1900221) Q50G 500 TV005 CABLE Q52G 1185 99 BIG CARTON TAPE FOR AOC 72MM Q52G1501150523 INSULATING PLATE Q52G18010TV056 TAPE_INSULATING X40G0002615A06 POS STICKER LABEL X40G2012032X8600ZA IO LABEL X40G2012032X8700ZA LABEL SIDE X41G78DV61508A...
- Page 49 E098 098GRABD6NEACD REMOTE AOC 90-364100T4425 2nd source 0M1G1740 12225 CR3 SCREW M1-MACHINE SCREW x12.0 E098 398GRABDFNEACC REMOTE AOC RL76E ENGLISH Q45G2010M0101A pe bag for manual Q45T 76 28NV2 PE BAG FOR BASE SCREW sz02742 X41G32MV61532B MANUAL LE32A3330/61 india 040G 58162435A...