AOC LE58D1441/20 Service Manual

58'' lcd tv

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58 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................................................15
2.4 Front Panel Control Knobs.................................18
3. Input/ Output Specification....................................20
4. Mechanical Instructions.........................................22
5. Repair Flow Chart ..............................................25
6. PCB Layout ....................................................31
6.1 Main Board..................................................31
6.2 Power Board..................................................33
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 © 2013 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
6.3 IR Board.......................................................36
6.4 KEY Board......................................................36
6.5 Converter Board..............................................37
7. Adjustment..............................................................40
7.1 WB Adjustment..........................................40
7.2 FW Upgrade...............................................41
8. Block Diagram.........................................42
9. Schematic Diagram..........................................44
9.1 Main Board..................................................44
9.2 Power Board..................................................57
9.3 IR Board........................................................61
9.4 KEY Board.................................................. .62
9.5 Converter Board..............................................63
10. Exploded View..............................................64
11. BOM List.....................................................66
1
AOC LE58D1441/20
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Summary of Contents for AOC LE58D1441/20

  • Page 1: Table Of Contents

    58 LCD TV AOC LE58D1441/20 Service Service Service TABLE OF CONTENTS Description Page Description Page Table of Contents..……........…..1 6.3 IR Board…...……………………………………..36 Important Safety Notice........……..2 6.4 KEY Board…...…………………….…....….36 Revision List…………………………………………………3 6.5 Converter Board…...…………………….…....37 1. General Specification......……...…..4 7. Adjustment..............40 2. Operating Instructions………………...…….………..5 7.1 WB Adjustment……………………...……...……40...
  • 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 Aug.8, 2013 Initial release LE58D1441/20 E58EM2NSESB16NX...
  • Page 4: General Specification

    1. General Specification...
  • 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...
  • Page 15: How To Connect

    2.3 How to Connect...
  • Page 18: Front Panel Control Knobs

    2.4 Front Panel Control Knobs...
  • Page 20: Input/ Output Specification

    3. Input / Output Specification D-Sub, HDMI Digital Connector Pin Assignments D-Sub (CN101) HDMI1 (CN502) HDMI2((CN504)) PIN No. Signal PIN No. Signal PIN No. Signal TMDS Data2+ TMDS Data2+ Green TMDS Data2 shield TMDS Data2 shield Blue TDMS Data2- TDMS Data2- TMDS Data1+ TMDS Data1+ D/TXDC...
  • Page 21 HDMI Timing For Quantum Data setting with QD802BT or QD881 in HDMI mode.) Item 1920X1080P 1920X1080P 1920X1080i 1280X720P 720X576P 720X576i 50Hz 25Hz 50Hz 50Hz 50Hz 50Hz Pixel rate 148.5MHz 74.25MHz 74.25MHz 74.25MHz 27 MHz 13.5MHz (6.734 ns) (13.468 ns) ( 13.468ns ) (13.468 ns) (37.037 ns) ( 74.074 ns )
  • Page 22: Mechanical Instructions

    4. Mechanical Instructions 1.Remove the screws to remove Stand 2.Remove the screws to remove REAR COVER.
  • Page 23 3. Disconnect the PINS marked in yellow. Remove the screws marked in red to remove MAIN BOARD,POWER BOARD,BKT_IO, SPEAKER. 4. Remove the screws to remove BKT_VESA_TOP, BKT_VESA_BTM.
  • Page 24 5. Remove the screws to remove BKT_SPEAKER, BKT_HINGE. 6. Remove the screws to remove BKT_CHASSIS BEZEL.
  • Page 25: 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 output=5V? Replace the power board Check the IR board and LED Replace the IR board Replace the main board...
  • Page 26 2. Can’t start Can’t start (LED red) Replace the power board Power board output 12V? Replace the main 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 27 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 Replace the LVDS cable Check the LVDS cable Check the panel Replace the panel...
  • Page 28 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 29 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 30 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 31: Pcb Layout

    6. PCB Layout 6.1 Main Board 715G6325M01000004N...
  • Page 33: Power Board

    6.2 Power Board 715G6607P01002002M...
  • Page 36: Ir Board

    6.3 IR Board 715G6638R01000004K 6.4 Key Board 715G6316K01000004I...
  • Page 37: Converter Board

    6.4 Converter Board 715G6140P03000002M...
  • Page 40: Adjustment

    7. Adjustment 7.1 White Balance Adjustment It only need adjust WB(Ypbpr’s Normal/Warm/Cool). Content of WB Adjustment 1. Enter into the factory mode:MENU+1+9+9+9+back 2. Take an example of adjust Ypbpr_Normal: a. Select item “Source”: Ypbpr and item “Color Temp”: Normal. b. Adjust gain of RGB to meet spec in the below setting of tim\pat. (COMPONENT mode: TIM = 314;...
  • Page 41: Fw Upgrade

    7.2 Firmware Instruction Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory. 1.2 Copy the software from your computer to the USB memory root directory, and remove it from computer’s USB port! Step 2: F/W Upgrade 2.1 Insert USB flash disk into TV’S USB .Do as the Figure2.1 Figure2.1 2.2 AC Off/On the TV, the software will update automatically .TV will automatically restart after finishing the update.
  • Page 46 C521 100N 16V ZD503 ZD511 ZD510 ZD509 ZD508 R515 47K 1/16W 5% R516 47K 1/16W 5% 100N 16V C585 NC 100N 16V 100N 16V C504 C509 R511 NC 10K 1/16W 5% NC 100K1/16W R549 10K 1/16W 5% 100K1/16W R510 NC 10K 1/16W 5% R548 10K 1/16W 5% ZD507 ZD515...
  • Page 55 ZD119 MLVG0402 ZD118 MLVG0402 C176 NC/10P 50V C175 NC/10P 50V C174 100N 16V C173 10UF 10V...
  • Page 60 C9315 100P 50V C9314 100N 50V...
  • Page 61 NC/MLVG0402 ZD004 NC/MLVG0402 ZD003 47R 1/16W 5% R004 R003 NC/MLVG0402 ZD006 R005 R008 NC/MLVG0402 ZD005...
  • Page 62 ----><----| ----><----| ----><----| ----><----| ----><----| ----><----|...
  • Page 63 ZD8214 BZT52-B5V1_R1_00001...
  • Page 65: Power Board

    Item Part No Description P34T2148ADTA1LC100 BEZEL P34T21490GM03KC200 REAR_COVER P33T0686ALDZ1CC100 DECO_LOGO P33T0676XJT01RC100 X15T9475101CKD00BL BKT_TOP X15T9476101CKD00BL BKT_BTM X15T9477102CKD00YF BKT_SPEAKER X15T9478301CKDGMYF BKT_IO_SIDE X15T9612101CKD00LH BKT_GROUND X15T9613101CKD00LH BKT_MID X15T9480101CKD00YF BKT_AC_INLET X15T9481103CKD00YF BKT_CHASSIS_L X15T9482102CKD00YF BKT_CHASSIS_R X15T9571101CKD00AJ BKT_HINGE X15T9572101CKD00AJ BKT_HINGE X20T8081001CKDYSXL DIE-CASTING_BRACKET_L X20T8082001CKDYSXL DIE-CASTING_BRACKET_R CBPFD7PSX7C MAIN BOARD ADTVE6020XA2 POWER BOARD KEPFDXC4C...
  • Page 66: Bom List

    11. BOM List Note: The following information of initial version BOM are only for reference of repair, not place the order as the basis and are subject to change without notice. Please base on RSPL or Service BOM (http://cs.tpv.com.cn), thank you! E58EM2NSESB16NX Location Part No.
  • Page 67 R117 061G0402000 JI RST 0402 0.05R MAX 1/16W R115 061G0402000 JI RST 0402 0.05R MAX 1/16W R119 061G0402000 JI RST 0402 0.05R MAX 1/16W R4051 061G0402000 JI RST 0402 0.05R MAX 1/16W R451 061G0402000 JT RST 0402 0.05R MAX 1/16W - R678 061G0402000 JT RST 0402 0.05R MAX 1/16W -...
  • Page 68 R415 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R149 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R6033 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R6007 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R6030 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN...
  • Page 69 R615 061G0402303 JY RST CHIP R 30KOHM 1/16W +/-5% YAGEO R620 061G0402303 JY RST CHIP R 30KOHM 1/16W +/-5% YAGEO R133 061G0402330 JI RST 0402 33R 5% 1/16W R135 061G0402330 JI RST 0402 33R 5% 1/16W R603 061G0402330 JT RST CHIP 33R 1/16W 5% TZAI YUAN R604 061G0402330 JT RST CHIP 33R 1/16W 5% TZAI YUAN...
  • Page 70 R552 061G0402473 JT RST CHIP 47K 1/16W 5% TZAI YUAN R515 061G0402473 JT RST CHIP 47K 1/16W 5% TZAI YUAN R772 061G0402513 JT RST CHIP 51K 1/16W 5% TZAI YUAN R4088 061G04026801FF RST CHIPR 6.8K +-1% 1/16W FENGHUA R4087 061G04026801FF RST CHIPR 6.8K +-1% 1/16W FENGHUA R102 061G04027509FI...
  • Page 71 C125 065G040210031J CAP 0402 10PF 5% 50V NP0 C126 065G040210031J CAP 0402 10PF 5% 50V NP0 C496 065G040210232K CAP 0402 1NF 10% 50V X7R C495 065G040210232K CAP 0402 1NF 10% 50V X7R C6036 065G040210232K CAP 0402 1NF 10% 50V X7R C6057 065G040210232K CAP 0402 1NF 10% 50V X7R...
  • Page 72 C410 065G040210412K CAP 0402 100NF 10% 16V X7R C196 065G040210412K CAP 0402 100NF 10% 16V X7R C1086 065G040210412K CAP 0402 100NF 10% 16V X7R C462 065G040210412K CAP 0402 100NF 10% 16V X7R C434 065G040210412K CAP 0402 100NF 10% 16V X7R C437 065G040210412K CAP 0402 100NF 10% 16V X7R...
  • Page 73 C411 065G040222415K CAP CHIP 0402 220NF 16V X5R C686 065G040233031J CAP CHIP 0402 33P 50V NP0 +/-5% C1099 065G040233131J MLCC 0402 330PF 50V NP0 +-5% C1098 065G040233131J MLCC 0402 330PF 50V NP0 +-5% C6051 065G040233131J 0402 330PF J 50V NPO C645 065G040233131J 0402 330PF J 50V NPO...
  • Page 74 C6054 065G060322422K CAP 0603 220NF 10% 25V X7R C6055 065G060322422K CAP 0603 220NF 10% 25V X7R C6053 065G060322422K CAP 0603 220NF 10% 25V X7R C721 065G060322515K CAP 0603 2.2UF 10% 16V X5R C428 065G060322515K CAP 0603 2.2UF 10% 16V X5R C1003 065G0603225A5K CAP MLCC 0603 2.2UF K 10V X5R...
  • Page 75 L701 073G253S135 M LCM SMD CHOKE 2.2UH 20% 0.079R ,1.2A,HF CN502 088G 34019K AV HDMI HEADER R/A 19P BLACK H=8.4 CN504 088G 34021A VD HDMI V/T 21P 1*1 BLACK 10.5MM CN504 088G 34021A VT HDMI HEADER 21P + 2PCS SCREW HOLE ZD6001 093G 64 37 N VPORT0603100KV05...
  • Page 76: Key Board

    052G 2191 A TAPE_OTHER(PET,PAPER,SECURITY,ETC…) 055G 100610 SOLDER PASTE Q52G170100700B00XW MESH PRINTTING_PAPER E715 715G6325M01000004K MAIN BOARD PCB 2nd-source E715 715G6325M01000004N MAIN BOARD PCB HS401 X90G801400200A HEAT SINK Z40G0002ALL01A OTHER LABEL Q45G7701009A0100BK LLDPE WRAP KEPFDXC4C KEY BOARD 061G0603000 JF RST CHIPR MAX 0R05 1/10W FENGHUA 061G0603000 JT RST CHIP MAX 0R05 1/10W TZAI YUAN 061G06031201FF...
  • Page 77 2nd-source ECN401 395G802212RC10 HARNESS 12P PITCH1.25-2P PITCH1.25+5P P 2nd-source ECN401 395G802212XC10 HARNESS 12P PITCH1.25-2P PITCH1.25+5P P RC01 398GRABD7NEACR REMOTE AOC RC2414704/01 ENGLISH 705TXECK043 BASE SCREW 0M1G1040 14225 RA SCREW Q45G88010TV08900X1 PROTECT BAG X40G0001624 2A LABEL FOR SCREW PE BAG 705TXESK20700X...
  • Page 78 Z40G0002ALL01A OTHER LABEL CN9102 033G380214B YH WAFER 2.0MM 14P W2015-14RVA-S01 IC9304 056G 139 9 IC EL817M(X) PHOTOCOUPLER DIP-4 IC9102 056G 139 9 IC EL817M(X) PHOTOCOUPLER DIP-4 IC9104 056G 139 9 IC EL817M(X) PHOTOCOUPLER DIP-4 Q9105 057G 667914 MOSFET TK10A50D 10A 500V TO-220 Q9106 057G 667914 MOSFET TK10A50D 10A 500V TO-220...
  • Page 79 705TXC84879 F9901 ASS"Y F9901-1 084G 34 14 BSE -- -- -- F9901 084G 41 7 FUSE 5A 250V 0215005M LITTELFUSE F9901 084G 41 7 C FUSE 5A 250V UDA005(PF) 705TXD57129 Q9301 ASS"Y Q9301 057G 667931 MOSFET AOTF8N65 8A 650V TO-220FP 0M1G1730 8120 SCREW HS9301...
  • Page 80 R9128 061G0805202 JT RST CHIP 2K 1/8W 5% TZAI YUAN R9136 061G0805202 JT RST CHIP 2K 1/8W 5% TZAI YUAN R9340 061G08052201FT CHIP 2K2 1/8W 1% R9127 061G08052202FT RST CHIP 22K 1/8W 1% R9112 061G0805229 JF RST CHIPR 2R2 +-5% 1/8W FENGHUA R9120 061G0805242 JF RST CHIPR 2.4KOHM +-5% 1/8W FENGHUA...
  • Page 81 R9318 061G1206471 JT ST CHIPR 470 OHM +-5% 1/4W TZAI YUAN R9303 061G1206479 JT RST 1206 4.7R 5% 1/4W R9310 061G1206512 JT RST CHIPR 5.1 KOHM +-5% 1/4W TZAI YUAN R9325 061G1206512 JT RST CHIPR 5.1 KOHM +-5% 1/4W TZAI YUAN R9905 061G1206514 JF RST CHIP 510K 5% 1/4W 500V FENGHUA...
  • Page 82 C9326 065G080547232K CAP 0805 4.7NF 10% 50V X7R C9809 065G080547332K CAP CHIP 0805 47N 50V X7R +/-10% C9810 065G080547432K CAP CHIP 0805 0.47UF K 50V X7R C9142 065G0805475A2K CAP CHIP 0805 4.7UF K 10V X7R C9139 065G080556131J CAP CHIP 0805 560P 50V NP0 +/-5% D9113 093G 60S 15 T SCHOTTKY RB160M 60 TR 1A 60V SOD-123...
  • Page 83 C9908 065G306K2212WR CAP Y1 220PF 10% 250V Y5P CT7-Y1-250V-06 C9325 065G306M10233R CAP Y1 1NF 20% 250V Y5U C9325 065G306M1023WR CAP Y1 1NF 20% 250V Y5U C9122 067G 3151007HB EC 10UF 20% 50V 6.3*7 3000 HR C9122 067G 3151007KB EC 10UF 20% 50V 6.3*7 3000 HR C9319 067G 3154707HT EC 47UF 20% 50V...
  • Page 84: Converter Board

    J904 095G 90 23 JUMP WIRE - - J911 095G 90 23 JUMP WIRE - - J917 095G 90 23 JUMP WIRE - - J921 095G 90 23 JUMP WIRE - - J901 095G 90 23 JUMP WIRE - - J907 095G 90 23 JUMP WIRE - -...
  • Page 85 C8203 067G 5154709KT EC 47UF 20% 100V 10*12 C8205 067G 5154709KT EC 47UF 20% 100V 10*12 C8206 067G 5154709KT EC 47UF 20% 100V 10*12 C8127 067G 5151007KB EC 10UF 20% 50V 5*11 EY FOR L8101 006G 31502 EYELET J8111 095G 90 23 JUMP WIRE - - J8135 095G 90 23...
  • Page 86 C8236 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R Q8205 357G0600200019 MOSFET AOD450 3.8A 200V TO-252 Q8312 057G 417907 T TRA PMBT3906 PNP -200MA/-40V SOT-23 C8241 065G080510432K 0.1UF K 50V X7R TAIYO YUDEN R8207 061G1206513 JT RST CHIPR 51 KOHM +-5% 1/4W TZAI YUAN C8241 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R...
  • Page 87 R8281 361G08051402FT RST 0805 14K 1% 1/8W SMD0805140KT R8181 361G08051402FT RST 0805 14K 1% 1/8W SMD0805140KT IC8113 056G 700 23 LED DRIVER PF7900S SOP-8 IC8101 356G0700008052 LED DRIVER PF7700A S SOP-8 IC8201 356G0700008052 LED DRIVER PF7700A S SOP-8 C8284 065G080547432K CAP 0805 470NF 10% 50V X7R C8282 065G080547432K...
  • Page 88 JR8102 061G1206000 JF RST CHIPR MAX0R05 1/4W FENGHUA R8207 061G1206513 JF ST CHIPR 51KOHM +-5% 1/4W FENGHUA R8205 061G1206513 JF ST CHIPR 51KOHM +-5% 1/4W FENGHUA C8581 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R C8584 065G080547432K 0805 0.47UF K 50V X7R C8382 065G080547432K 0805 0.47UF K 50V X7R...
  • Page 89 BKT_HINGE X15T9612101CKD00LH BKT_GROUND X15T9613101CKD00LH BKT_MID X20T8081001CKDYSXL DIE-CASTING_BRACKET_L X20T8082001CKDYSXL DIE-CASTING_BRACKET_R X40G0001624 2A LABEL FOR SCREW PE BAG X40G058061502A RATING LABEL LE58D1441/20 X40G2014058X0200XY LABEL IO X40G2014058X0300XY LABEL SIDE X41G58MV61501C MANUAL LE58D1441/20 X41G78SV61534B QSG LE58D1441/20 X44GWA1162401A CUSHION-DIE CUT CARTON N/A X44GWA12101000 CUSHION-TL N/A...

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