LG 22LS2100 Service Manual
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LG 22LS2100 Service Manual

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See also: Owner's Manual
LED LCD TV
SERVICE MANUAL
CHASSIS : LD93Q
MODEL : 22LS2100
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67620302 (1208-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
22LS2100-MA
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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  • Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED LCD TV SERVICE MANUAL CHASSIS : LD93Q MODEL : 22LS2100 22LS2100-MA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67620302 (1208-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    ADJUSTMENT INSTRUCTION ............... 8 TROUBLE SHOOTING GUIDE ............... 12 BLOCK DIAGRAM ................. 23 EXPLODED VIEW .................. 24 SCHEMATIC CIRCUIT DIAGRAM .............. - 2 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions

    An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Servicing Precautions

    - 4 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5 1. Clip each fuse or resistor lead at top of the circuit board hollow stake. 2. Securely crimp the leads of replacement component around notch at stake top. - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Specification

    Temp : -10 °C ~ 60 °C non condensing Storage Environment Humidity : 5 % ~ 90 % non condensing - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 HDTV 1080P 1920*1080 67.5 148.5 HDTV 1080P 1920*1080 56.250 148.5 HDTV 1080P 50Hz * HDMI jack is for AV(video signal) - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8: Adjustment Instruction

    Impress Resolution XGA (1024 x 768 @ 60Hz) Model: 60 in Pattern Generator (1024X768@60Hz 16 step Gray Pattern) Pattern: 29 in Pattern Generator (MSPG-925 Series) - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 Click “(1) Browse” tab, and then load download file (XXXX. bin) by clicking and open. (2) Connect the PC to USB jack - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 Year 2012 Analog : 1 Version Digital : 1 Analog : 3 Revision Digital : 3 Model Name 22LS2100 - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 6.1. Required Equipment ■ Remote controller for checking W/B ■ Color Analyzer : CA-210 ■ CH: 14 (LCD MNT, Normal) → 22LS2100 ■ PC (for communication through RGB) ■ Pattern Generator (MSPG-925FS series) 6.2. Connecting diagram of equipment for...

  • Page 12: Trouble Shooting

    3pin of P200, change IR board when use remote controller? Or check Line short or open of P200 Insert F/W X600 - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 If is under 4.8V at L710, Check open and short Of line between L710 and P201. Insert the F/W back or REPLACE LCD MODULE - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 21,25,26,27,28,29,30) Another is change IC600. Change module WAVEFORMS 8,9,12,13,15,16,18,19,20,21, 10,11,22,23Pin of P201 25,26,27,28,29,30Pin of P201 (Clock line) (Data Line) - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 IC600 or TU401 Change Main PCBA WAVEFORMS 67, 68pin of IC600 6Pin of TU401 (SDA) 7Pin of TU401 (SCL) - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 Another is Is wavef orm at R651 change AV cable Change IC600 WAVEFORMS R651 (CVBS) - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 Is wavef orm at R628, is open or short, Another is R630, R634 Change RGB cable Change IC600 WAVEFORMS R634(R) R628(B) R630(G) - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 Is wavef orm at R628, is open or short, Another is R630, R634 Change RGB cable Change IC600 WAVEFORMS R634(R) R628(B) R630(G) - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 Another is change IC502 Change speaker and wire R513(SDO) 23pin of IC502 R511(WS) R512(SCK) 24pin of IC502 1pin of P501(Audio out) R510(MCLK) - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 IC600 or TU401 Change Main PCBA WAVEFORMS 7Pin of TU401 (SCL) 67,68 pin of IC604 6Pin of TU401 (SDA) - 20 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 Another is Is wavef orm at C688,C689 change AV cable Change IC600 WAVEFORMS C688,C689 (audio in) - 21 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 Check Line between JK301 and IC600 Is wavef orm at R321,R322, is open or short, Another is R323,R324,R325,R326 Change HDMI cable Change IC600 - 22 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 23: Block Diagram

    BLOCK DIAGRAM - 23 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 24 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

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