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LG 15LS1R Service Manual

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See also: Service Manual , Owner's Manual
LCD TV

SERVICE MANUAL

CHASSIS : CL-81
MODEL : 15LS1R
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
15LS1R-MG
R
Internal Use Only
website:http://biz.LGservice.com

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Summary of Contents for LG 15LS1R

  • Page 1: Service Manual

    Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : CL-81 MODEL : 15LS1R 15LS1R-MG CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    ISP MANUAL ...................12 TROUBLE SHOOTING ................16 BLOCK DIAGRAM...................20 EXPLODED VIEW .................. 22 REPLACEMENT PARTS LIST ............... 24 SVC. SHEET ....................Copyright © 2007 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Product Safety

    An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Servicing Precautions

    Alternatively, obtain and wear a commercially available splashed solder with a small wire-bristle brush. discharging wrist strap device, which should be removed to Copyright © 2007 LG Electronics. Inc. All right reserved. - 4 - 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. Copyright © 2007 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Specification

    Anti-Glare(HAZE 3%), Hard Coating(3H) Operating Mode Normally Black Back light Unit 4 CCFL(4 lamps) Typ. R.T.: 5ms + F.T.: 11ms(Typ) - 6 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 0.253 0.283 0.313 White (Normal) 0.268 0.298 0.328 (100 IRE) White 0.244 0.274 0.304 (Cool) 0.256 0.286 0.316 - 7 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 Control Function 1) Contrast / Brightness 2) H-Position 3) Tracking : Clock / Phase 4) Auto Configure 5) Reset - 8 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Adjustment Instruction

    After check autocontrol of ADC, push menu key for - IIC_SW "1" : EDID Write/Read (DDC2B) and Factory exiting SVC Menu. default. Copyright © 2007 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 - IIC_SW "0" : ADC calibration with auto adjustment equipment.. must set "1" - IIC_SW "1" : Factory default (Shipping condition), DDC Communications(DDC2B). Copyright © 2007 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 To set (Code : 0000) Screen Auto Configure To Set Only Manual Configure To Set RGB PC Reset To Set INPUT - 11 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Isp Manual

    8. ALL LOC ISP process is finished when Red LED is off and Green LED is ON. 9. After ISP, automatically input source change "AV2" and II_SW set to "0") Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 -...
  • Page 13 3. After Entering ISP mode, Push Erase Flash and Send. (Take turns (1)~(4) ). *If Erase Flash is not OK, try again Erase Flash. Check all OK! Copyright © 2007 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only...
  • Page 14 *If SET-ON LED(Green) blinks, please push TILT key once. SEDNA Download 1. After LED checking, execute "ISP_Tool" program. 2. Push Identity and check connection message. Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 5. Check whether each stage (2)~(5) is successful in message box. 6. After finishing ISP, turn OFF Main Power AC switch and then turn ON the switch. Copyright © 2007 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only...

  • Page 16: Troubleshooting

    Change U406 U406 Fail Pass Change LED Assy Check LED Assy Fail Pass Check J103, J125, J126 Connector Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 Check panel link Change panel link Cable or module cable or module Fail Pass Check input source cable and jack Copyright © 2007 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 Check the Re-soldering or input/output of U101 Change the defect part Fail Pass Check input source cable and jack Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
  • Page 19 Change the defect part of U201 Fail Pass Check the speaker Change speaker Fail Pass Check the speaker wire Copyright © 2007 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...

  • Page 20: Block Diagram

    BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 This IC is directly Inputted Analog Signal and transmits it to LCD Module 5) Micom This block controls each IC through IIC communication line. Copyright © 2007 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...

  • Page 22: Exploded View

    EXPLODED VIEW Copyright © 2007 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
  • Page 23 - 31 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Replacement Parts List

    - 32 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 - 33 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 - 34 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 - 35 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 Aug., 2007 P/NO : MFL38750602 Printed in Korea...

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