AOC LE24D3140_30 Service Manual

19.5'' led tv

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19.5 LED 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................................................11
2.4 Front Panel Control Knobs.................................13
3. Input/ Output Specification....................................14
4. Mechanical Instructions.........................................16
5. Repair Flow Chart ..............................................19
6. PCB Layout ....................................................25
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 © 2014 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 Main Board..................................................25
6.2 Power Board..................................................27
6.3 IR Board.......................................................30
7. Adjustment..............................................................31
7.1 WB Adjustment............................................31
7.2 FW Upgrade.................................................32
8. Block Diagram..........................................33
9. Schematic Diagram..........................................35
9.1 Main Board..................................................35
9.2 Power Board..................................................45
9.3 IR Board........................................................47
10. Exploded View..............................................48
11. BOM List.....................................................50
1
AOC LE24D3140_30
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Summary of Contents for AOC LE24D3140_30

  • Page 1: Table Of Contents

    19.5 LED TV AOC LE24D3140_30 Service Service Service TABLE OF CONTENTS Description Page Description Page Table of Contents..……........…..1 6.1 Main Board……...…………..….…….………..25 Important Safety Notice........……..2 6.2 Power Board……...…………..….…….………..27 Revision List…………………………………………………3 6.3 IR Board…...……………………………………..30 1. General Specification......……...…..4 7. Adjustment..............31 2. Operating Instructions………………...…….………..5 7.1 WB Adjustment……………………..……...………31...
  • 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 E2CE21NSDDE6NNQ May.15,2014 Initial release LE24D3140_30 E2CE21NSDDE8NNQ E2CE21NSDDE7NNQ...
  • 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 11: How To Connect

    2.3 How to Connect...
  • Page 13: Front Panel Control Knobs

    2.4 Front Panel Control Knobs...
  • Page 14: Input/ Output Specification

    3. Input / Output Specification D-Sub and HDMI Pin assignment D Sub (CN101) HDMI1 (CN501) HDMI2(CN506) PIN No. Signal Signal Signal TMDS Data2+ TMDS Data2+ Green TMDS Data2 shield TMDS Data2 shield Blue TDMS Data2- TDMS Data2- TMDS Data1+ TMDS Data1+ D/TXDC TMDS Data1 shield TMDS Data1 shield...
  • Page 16: Mechanical Instructions

    4. Mechanical Instructions 1. Remove the screws to remove STAND & BASE. 2. Remove the screws to remove REAR COVER.
  • Page 17 3. Disconnect the PINS marked in yellow .Remove the screws marked in red to remove MAIN BOARD, POWER BOARD and SPEAKERS. 4. Remove the screws to remove DECO and disconnect the pin to remove the IR Board.
  • Page 18 5. Remove the screws to remove BKT . 6. Panel.
  • Page 19: 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 20 2. Can’t start Can’t start (LED Blue) 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 21 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 22 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 23 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 24 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 25: Pcb Layout

    6. PCB Layout 6.1 Main Board (715G6418M0F000004K)
  • Page 27: Power Board

    6.2 Power Board (715G6297P01000001E)
  • Page 30: Ir Board

    6.3 IR Board (715G5772R01000004K)
  • Page 31: Adjustment

    7. Adjustment They only need adjust WB(Ypbpr’s Normal/Warm/Cool). 7.1 White Balance 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 32: Fw Upgrade

    7.2 Firmware Instruction Step1 Change the software file name to MERGE.bin, Copy F/W to USB flash disk root directory Step2 TV Power On Step3 Insert USB flash disk to TV then AC off/on Step4 TV auto upgrade. the LED lamp will flicker. After USB F/W update OK, TV will power off/on. Step5 Power on, press “Menu+1999+recall”...
  • Page 38 1 2 3 4...
  • Page 47: Ir Board

    --------><----| ----><----|...
  • Page 49 Item Part No Description P34T14160GM07K0100 REAR_COVER L24W-Wph2-s2 --NA --NA P34T2136ADT01L0100 DECO_BEZEL L24W-Wph2-s2 --NA --NA Q15T041130200000AJ BKT_MID X15T905230100000LH BKT_IO Q15T141110100000ZA BKT_POWER_BTM P15T8299 1 AJ VESA Q52G18010TV11600ZA INSULATING SHEET X40G2013020X0700XY SIDE LABEL Q50G 4 10 TIE (Y1900221) CBPFDMNSA1Q CONVERSION BOARD IRPFDAB1Q IR BOARD PLTVDE464XXA2Q ADAPTER BOARD 715G6297P01000001E P34T1027ADT01L0100...
  • Page 50: Bom List

    HARNESS 4P-2P+2P 180+340mm ECN8101 395G801406XY11 HARNESS 6P-6P 260 ECN701 395G801414XM90 HARNESS 14(2*7) -12(2*6) 120mm ECN403 395G801830RC17 LVDS CABLE 30p-40p 400mm 398GRABD7NEACR REMOTE AOC RC2414704/01 ENGLISH 708GKA220CPQ01 AOC 40(1760)/20(800) 052G 1185 1 BIG TAPE(Y1200141) Q45G 77511 PROTECT BAG Q50G 4 10 TIE (Y1900221)
  • Page 51 Q40G 581689 4B SN LABEL(58x35mm) Q40G024061522B RATING LABEL for LE24D3140/30 X40G0001624 2A Label for screw pe bag Z40G0002ALL01A OTHER LABEL Z40G0002ALL01A OTHER LABEL CN601 033G3278 4D WAFER 2.5mm 4P V/T W2415-04SVA-A 077G602S 3A HJ TACT SW 4P 5.85 200g TSDBYC2202 CN602 088G302C5B1ACL PHONE JACK R/A 5P BLACK H=6.2...
  • Page 52 R476 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R521 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R526 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R517 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R602 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R427 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA...
  • Page 53 R475 061G0402102 JT RST CHIP 1K 1/16W 5% TZAI YUAN R707 061G0402102 JT RST CHIP 1K 1/16W 5% TZAI YUAN R477 061G0402102 JT RST CHIP 1K 1/16W 5% TZAI YUAN R725 061G0402102 JT RST CHIP 1K 1/16W 5% TZAI YUAN R2905 061G0402102 JT RST CHIP 1K 1/16W 5% TZAI YUAN...
  • Page 54 R127 061G0402330 JT RST CHIP 33R 1/16W 5% TZAI YUAN R129 061G0402330 JT RST CHIP 33R 1/16W 5% TZAI YUAN R102 061G0402330 JT RST CHIP 33R 1/16W 5% TZAI YUAN R113 061G0402330 JT RST CHIP 33R 1/16W 5% TZAI YUAN R106 061G0402330 JT RST CHIP 33R 1/16W 5% TZAI YUAN...
  • Page 55 R107 061G04027509FT RST CHIP 75R 1/16W 1% R497 061G0603000 JT RST CHIP MAX 0R05 1/10W TZAI YUAN R498 061G0603000 JT RST CHIP MAX 0R05 1/10W TZAI YUAN R496 061G0603000 JT RST CHIP MAX 0R05 1/10W TZAI YUAN R499 061G0603000 JT RST CHIP MAX 0R05 1/10W TZAI YUAN R899 061G0603000 JY...
  • Page 56 C464 065G040210412K CAP 0402 100NF 10% 16V X7R C481 065G040210412K CAP 0402 100NF 10% 16V X7R C423 065G040210412K CAP 0402 100NF 10% 16V X7R C460 065G040210412K CAP 0402 100NF 10% 16V X7R C424 065G040210412K CAP 0402 100NF 10% 16V X7R C471 065G040210412K CAP 0402 100NF 10% 16V X7R...
  • Page 57 C138 065G040222232K CAP 0402 2.2NF 10% 50V X7R C113 065G040233131J AP CHIP 0402 330PF 50V J NPO C637 065G040233131J AP CHIP 0402 330PF 50V J NPO C626 065G040233131J AP CHIP 0402 330PF 50V J NPO C114 065G040233131J AP CHIP 0402 330PF 50V J NPO C630 065G040233131J AP CHIP 0402 330PF 50V J NPO...
  • Page 58 C403 065G0805106A5K CAP 0805 10UF 10% 10V X5R C431 065G0805106A5K CAP 0805 10UF 10% 10V X5R C724 065G0805106A5K CAP 0805 10UF 10% 10V X5R C444 065G0805106A5K CAP 0805 10UF 10% 10V X5R C126 065G0805106A5K CAP 0805 10UF 10% 10V X5R C636 065G080522432K CAP 0805 220NF 10% 50V X7R...
  • Page 59 D2901 093G 64S900 T DIODE BAS316 SOD-323 PHILIPS D2902 093G 64S900 T DIODE BAS316 SOD-323 PHILIPS CN403 311GW125F40ACH WAFER 1.25mm 40P V/T A12511WVA-SF-2*20PN U401 356G0568128050 SCALER MST6931XP-Z1 EPLQFP-128 U101 356G0575048047 DEMODULATOR MSB1400 LQFP 48 pin U601 356G0616028600 AUDIO AD52580-QG28NAR (AF) 15W E-TSSOP U704 356G0667023 Power Switch APL3511CBI-TRG SOT23-5...
  • Page 60 709T57720QS001 COMSUMPTIVE ASSY E715 715G5772R01000004K IR BOARD PCB E715 715G5772R01000004S IR BOARD PCB 2nd Source PLTVDE464XXA2Q ADAPTER BOARD Z40G0002ALL01A OTHER LABEL C9901 063G107M47410M CAP X2 470NF 20% 275V R46KI3470HAP1M FB9909 071G 55 21 FERRITE BEAD FB9904 071G 55 21 FERRITE BEAD FB9904 071G 55 21 H1 BEAD 6.0*10 700R 25% BF-I60100R-706B...
  • Page 61 R9143 061G0805000 JF RST CHIPR 0 OHM +-5% 1/8W FENGHUA R9126 061G0805000 JT RST 0805 0.05R MAX 1/8W R9142 061G0805000 JT RST 0805 0.05R MAX 1/8W R8103 061G0805000 JT RST 0805 0.05R MAX 1/8W R9124 061G0805102 JT RST CHIPR 1K OHM +- 5% 1/8W TZAI YUAN R9111 061G0805103 JF...
  • Page 62 R9120 061G1206331 JF RST CHIPR 330 OHM +-5% 1/4W FENGHUA R9119 061G1206331 JF RST CHIPR 330 OHM +-5% 1/4W FENGHUA R9118 061G1206331 JF RST CHIPR 330 OHM +-5% 1/4W FENGHUA R9118 061G1206331 JT RST CHIPR 330 OHM +-5% 1/4W TZAI YUAN R9119 061G1206331 JT RST CHIPR 330 OHM +-5% 1/4W TZAI YUAN...
  • Page 63 R8125 361G08051059FT RST 0805 10R5 1% 1/8W SMD080510R5F R8123 361G08051059FT RST 0805 10R5 1% 1/8W SMD080510R5F R8124 361G08051059FT RST 0805 10R5 1% 1/8W SMD080510R5F R8122 361G08051059FT RST 0805 10R5 1% 1/8W SMD080510R5F R9109 361G08051809FT RST 0805 18 ohm 1% 1/8W SMD0805018RF D8102 393G006432S0HF SWITCHING 1N4148W 0.15A 75V SOD-123...
  • Page 64 C9109 067G 5153314HT EC 330UF 20% 25V HSP331M1EG07VM6HTAP5 C9116 067G 5153314HT EC 330UF 20% 25V HSP331M1EG07VM6HTAP5 FB9905 071G 55 29 FERRITE BEAD FB9906 071G 55 29 FERRITE BEAD J912 095G 90 23 JUMP WIRE - - J933 095G 90 23 JUMP WIRE - - J917 095G 90 23...

Table of Contents