LG 43LH570 Series Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. LED TV
  5. 43LH570 SERIES
  6. Service manual

LG 43LH570 Series Service Manual

Hide thumbs Also See for 43LH570 Series:
Table of Contents

Advertisement

Quick Links

LED TV
SERVICE MANUAL
CHASSIS : LA66L
MODEL : 43LH570*
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL69442202 (1602-REV00)
49LH570*
Internal Use Only
43LH570*-U*
49LH570*-U*

Advertisement

Table of Contents
loading

Related Manuals for LG 43LH570 Series

Summary of Contents for LG 43LH570 Series

  • Page 1 Internal Use Only LED TV SERVICE MANUAL CHASSIS : LA66L MODEL : 43LH570* 43LH570*-U* MODEL : 49LH570* 49LH570*-U* CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69442202 (1602-REV00)

  • Page 2: Table Of Contents

    ADJUSTMENT INSTRUCTION ..............9 TROUBLE SHOOTING GUIDE ............... 17 BLOCK DIAGRAM .................. 23 EXPLODED VIEW .................. 24 DISASSEMBLY ..................25 - 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 : 0 ~ 40 deg Humidity : ~ 80 % Storage Environment Temp : -20 ~ 60 deg Humidity : ~ 85 % - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 HDTV 1080P 1920*1080 26.970 23.976 74.176 HDTV 1080P 1920*1080 33.750 30.000 74.250 HDTV 1080P 1920*1080 33.710 29.970 74.176 HDTV 1080P - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 HDTV 1080P 1920*1080 33.75 30.00 79.20 HDTV 1080P 1920*1080 67.43 59.94 148.350 HDTV 1080P 1920*1080 67.5 60.00 148.50 HDTV 1080P - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Adjustment Instruction

    (2) Manual adjustment for ADC calibration and White balance. (3) Shipment conditions, Channel pre-set 4.2.6. Inspection - In INSTART menu, check these keys. - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 HDMI cable and D-sub cable are not need. ▪ Adjust remocon 4.4.3.2. HD AC3 (2D 8bit xvYCC : off) : 32LH57 (1) HDMI1 (6D , 96) - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 (2) HDMI2 (6D , 7D) 4.4.3.5. FHD AC3 (2D 8bit xvYCC : off) : 43/49/55LH57 (1) HDMI1 (E5 , 5A) - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 RS -232C Pat t ern Generat o r Signal Source * If TV internal pattern is used, not needed - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 ▪ W/B Adj. must begin as start command “wb 00 00” , and finish as end command “wb 00 ff”, and Adj. offset if need - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 5.3.2. Check the menu on in-start 10-19 20-35 36-49 50-79 80-119 Over 120 (3) O/S Module(AUO, INX, Sharp, CSOT, BOE) cool warm spec target - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 ▪ After final inspection, press In-Stop key of the Adj. R/C and check that the unit goes to Stand-by mode. - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 (2) Select "Tool Option 1" and Push “OK” button. (3) Punch in the number. (Each model has their number.) - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 17: Trouble Shooting Guide

    Replace Main Board Check Power Board P2300 INV_CTL 11 pin High Check LVDS cable Check LVDS cable Check LCD Module - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 Check AV Jack CVBS signal Replace AV Jack JK3401 R3407 Check CVBS signal VA3415,R3421,C3411,R3407 Replace VA3415,R3421,C3411,R3407R340,C321 R340, C321 Replace IC101 or Main Board - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 HDMI2 : VA3201, R3201, Q3200, HDMI1 : JK3201 R3204, R3203, R3200 HDMI2 : JK3202 Replace Main IC (IC101) or Main Board - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 P5600 1, 2, 3, 4 pin P5600 or Main Board C5622, C5623, C5627, C5628 Replace speaker connector Check speaker connector Replace speaker Check speaker - 20 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 L : VA3411,R3418,C3405 R3423,R3425 R3423,R3425 R : VA3410,R3417,C3404 R : VA3410,R3417,C3404 R3422,R3424 R3422,R3424 Follow procedure “9. All source audio” - 21 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 HDMI2 : JK3202 Check HDMI pattern Replace Main Board JK3201,JK2301 ↔ IC101 HDMI pattern Replace Main IC (IC101) or Main Board - 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

    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: Disassembly

    DISASSEMBLY [Fig.1] [Fig.2] - 25 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 [Fig.3] [Fig.4] - 26 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 IR PCB IR PCB [Fig.5] [Fig.6] - 27 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 IR PCB IR PCB [Fig.7] [Fig.8] - 28 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

This manual is also suitable for:

43lh570 u series49lh570 series49lh570 u series49lh570aueBusglorBuswljr ... Show all

Table of Contents