LG OLED55C6P Service Manual
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LG OLED55C6P Service Manual

Chassis : ea62c
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See also: Safety and Reference
OLED TV
SERVICE MANUAL
CHASSIS : EA62C
MODEL : OLED55C6P
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL69465801 (1601-REV00)
Internal Use Only
OLED55C6P-U
Printed in Korea

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Summary of Contents for LG OLED55C6P

  • Page 1 Internal Use Only OLED TV SERVICE MANUAL CHASSIS : EA62C MODEL : OLED55C6P OLED55C6P-U CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69465801 (1601-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    BLOCK DIAGRAM ................. 24 EXPLODED VIEW .................. 30 ASSEMBLY / DISASSEMBLY..............31 SCHEMATIC CIRCUIT DIAGRAM ........... APPENDIX TROUBLESHOOTING ............. APPENDIN - 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

    (3) DTV : 02-69 (4) CATV : 01~135 (5) CADTV : 01~135 Input Voltage AC 120 ~ 240V 50/60Hz USA (110~240V, 50/60Hz) - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 25.00 297.00 UDTV 2160P 3840*2160 67.5 30.00 297.00 UDTV 2160P 4096*2160 53.95 23.97 296.703 UDTV 2160P 4096*2160 UDTV 2160P - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 593.407 UDTV 2160P When HDMI1,2,3 UHD DEEP COLOUR ON 4096*2160 60.00 UDTV 2160P When HDMI1,2,3 UHD DEEP COLOUR ON - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 HDTV 2160P 2D to 3D, Top & Bottom(half), Side by Side(half), 4096*2160 HDTV 2160P When HDMI1,2,3 UHD DEEP COLOUR ON - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 Top-and-Bottom Primary(HDTV 1080P) Side-by-side(half) Secondary(HDTV 1080P) 67.43 / 67.5 59.94 / 60 148.35/148.50 Top-and-Bottom Primary(HDTV 1080P) Side-by-side(half) Secondary(HDTV 1080P) - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 * Remark: 3D Input mode Side by Side Top & Bottom Checkerboard Single Frame Frame Column Sequential Packing Interleaving Interleaving 2D to 3D - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: Adjustment Instruction

    3.3. Etc ▪ Ship-out mode ▪ Service Option Default ▪ USB Download(S/W Update, Option, Service only) ▪ ISP Download(Option) - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 Check the model name Instart menu -> Factory name displayed e. Check the Diagnostics (DTV country only) -> Buyer model displayed - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 Monthly : ‘01’ -> ‘01’ Year : ‘2015’ -> ‘19 because of OTP(Auto ADC adjustment) ⓓ Model Name(Hex): LGTV ⓔ Checksum(LG TV): Changeable by total EDID data. 5.2. EDID (The Extended Display ⓕ Vendor Specific(HDMI) Identification Data) * DTS Checksum (HDMI 1/2/3/4)
  • Page 16 0x00 0x00 0x07 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x55 - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 0x00 0x00 0x07 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x35 - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 0x00 0x00 0x07 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xB0 - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 0x00 0x00 0x07 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x90 - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 R Cut 2) In case of LCD, Back-light on should be checked using G Cut no signal or Full-white pattern. - 20 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 Coordinate Mode Temp △uv Cool 0.277 0.278 11,000K -0.0030 Medium 0.286 0.289 9300K 0.0000 Warm 0.313 0.329 6500K +0.0030 - 21 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 Country Group then on the lower Country option, select US, CA, MX. Selection is done using +, - or ►◄KEY - 22 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 (2) Select "Tool Option 1" and Push “OK” button. (3) Punch in the number. (Each model has their number.) - 23 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Block Diagram

    BLOCK DIAGRAM 1. M16 Block Diagram - 24 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 2. M16 I2C Map - 25 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 3. Power Block Diagram - 26 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 4. Tuner Diagram - 27 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 5. F16 Block Diagram - 28 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 6. Clock source and frequency - 29 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 30: Exploded View

    Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 30 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 31: Assembly / Disassembly

    (2) Disassemble Rear Small Cover (3) Remove Stand Screw, Disassemble Stand FAB30016122 (M4*20mm), 5EA - Disassemble Stand after Remove Screw 5EA - 31 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 32 Back Cover. - Lift the Power Cord, if the Bracket is removed to separate the Power Board and Cord. - 32 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16 Symbol A THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 34 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16 Symbol B THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 35 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16 Symbol C THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 36 2015.02.09 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16 DDR3-M0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 37 2016.02.09 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16 DDR3-M1 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 38 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR VCC & GND THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 39 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR CI for DVB THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 40 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR CI for DVB THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 41 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. OWER WAFER OLED Copyright 2016 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 42 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 6 OLED Power_DET 15/06/01 Copyright 2016 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 43 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 44 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. M16 UHD-mid Power LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 45 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. M16 UHD-mid Power LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 46 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 47 15/06/13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16_0.9V Core THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 48 15/06/13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16_0.9V CPU THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 49 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M16_0.9V DDR & C4TX THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 50 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015.06.27 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MICOM_NEC THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 51 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR HDMI SYMBOL THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 52 2015.02.11 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR HDMI RX THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 53 2015-01-10 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR HDMI THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 54 2014-09-06 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. JACK_COMMON_V JACK_COMMON_V Copyright 2016 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 55 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. IR / KEY WAFER_IR/KEY/WIFI/BT Copyright 2016 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 56 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015.02.09 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR IR/KEY/WIFI/BT THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 57 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR JACK_USB1_3.0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 58 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR USB1_3.0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 59 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR JACK_USB2_2.0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 60 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR USB2_2.0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 61 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR JACK_USB3_2.0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 62 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR USB3_2.0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 63 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. JACK_LAN Copyright 2016 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 64 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 65 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR NTP AMP THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 66 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015.06.27 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR AMP_CENTER/WOOFER THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 67 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR SPEAKER WAFER THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 68 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HP_JACK_V Copyright 2016 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 69 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR HEADPHONE AMP THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 70 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR JAPAN B-CAS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 71 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS TUNER 2015.04.20 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 72 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS TUNER 2015.04.20 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 73 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Tuner_2.5V THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 74 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR +1.2V_DEMOD THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 75 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 76 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR RS-232C I/F THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 77 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 78 2015.4.28 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Output wafer THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 79 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 80 2015.02.09 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR eMMC 5.0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 81 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Vx1, HDMI IF THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 82 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. F16 4K EPI 2015.4.28 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 83 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015.11.23 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. F16_SPI,UART,GPIO LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 84 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR F16_0.9V Core THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 85 2015.6.10 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR F16 1.5V_DDR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 86 2015.6.13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. F16 Power LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 87 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR F16 AVDD09_C4TX THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 88 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 90 TROUBLE SHOOTING GUIDE LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 91 Circuit noise, mechanical noise F. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GCSC System for these model. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...

  • Page 92: Oled Tv Symptom

    Always check & record S/W Version and White Replace Main Board Re-enter White Balance value Balance value before replacing the Main Board LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 93 Power No Video/ replace voltage? Board ( 3.5V,12V,20V No audio MAIN B/D or 24V…) Replace Power Board and repair parts LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 94 2. Install Booster S/W Upgrade Normal Contact with signal distributor or broadcaster (Cable or Air) Picture? Normal Picture? Replace Main B/D Close Close LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 95 Request repair for external device/cable Check external External device device and Replace Main/T-con B/D HDMI /Cable cable error normal LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 96 Screen (Check normal operation of normal? Main /T-con External Input, Component, RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 97 Measure voltage of each output of Power B/D Normal? ※ Normal Replace Main B/D voltage? Close Normal Check ST-BY 3.5V voltage? ☞A9 Replace Power B/D Replace Power LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 98 "POWER_OFF_BY_SW_DW" Power off by S/W Download "POWER_OFF_BY_UNKNOWN" Power off by unknown status except listed case Abnormal "POWER_OFF_BY_CPU_ABN" Power off by CPU Abnormal LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 99 Screen normal voltage Speaker off Board Cancel OFF Replace Power Board and repair parts Check Replace MAIN Board Disconnection Speaker disconnection Replace Speaker LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 100 Connect and check Normal External Input other external audio? signal error) device Check and fix external device Check and fix external device LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...

  • Page 101: Function Error

    (Power B/D don’t have problem) If R/C operate, Normal Close Explain the customer operating? cause is interference from light in room. Replace R/C LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 102 Close Down load the Firmware •If you conduct the loop at 3times, * INSTART MENU12.RF Remocon Test3. Firmware change the MR15R. download LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 103 1pin Main B/D ☞A15 Check & Repair Close Wifi cable connection ☞A4 Wi-Fi Mac value is “NG”? Close Change the Wifi assy LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 104 - S/W Version HDMI/ Check and fix DVI, Optical Replace Main B/D Fix in external device/cable Recognition error accordance with technical information LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 105 “Part related to nose” in the Owner’s then proceed as shown in the solution manual Manual. (For models without any fix information, provide the description) LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 106 Zoom part with Module Replace module exterior damage damage Cabinet Replace cabinet damage Remote controller Replace remote controller damage Stand Replace stand dent LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 107 A. Video error_ Color error condition <Appendix> Exchange Module (1) A-1/2 Defected Type caused by T-Con/ Exchange Module (2) A-2/2 Inverter/ Module LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...

  • Page 108: Wifi Operation Checking Method

    Remote controller operation checking method D. Function error Motion Remote operation checking method Wifi operation checking method E. Etc Tool option changing method LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 109 After Remove the Rear Cover, turning on the power and check with the naked eye, Whetehr you can see light from locations. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 110 3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...

  • Page 111: Established Date Revised Date

    TUNER input signal strength checking method Content date  All Settings  Channels Channel Tuning When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 112 Version checking method Content date 1. Checking method for remote controller for adjustment Version Press the IN-START with the remote controller for adjustment LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 113 1. Check the signal strength or check whether the screen is normal when the external device is connected. 2. After measuring each voltage from power supply, finally replace the MAIN BOARD. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 114 Revised Content Connection diagram date As the part connecting to the external input, check the screen condition by signal LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 115 Revised Content Check Link Cable (EPI) reconnection condition date Check the contact condition of the Link Cable, especially dust or mis insertion. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 116 Vertical abnormal display Brightness difference Line Dim Crosstalk Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Burnt A – 1/2 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 117 Brightness difference Green Noise on power on/off time Line Defect Un-repairable Cases In this case please exchange the module. Mura A – 2/2 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 118 B. Power error _No power symptom date OLED TV Revised Content Check front display Logo date ST-BY condition: On or Off Power ON condition: Turn Off LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 119 Check power input voltage and ST-BY 3.5V date Check the DC 24V, 12V, 3.5V. 24Pin(Power Board ↔ Main Board) PWR ON INV CTL PDIM#2 3.5V 3.5V 3.5V 12V_ON LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 120 Entry method 1. Press the IN-START button of the remote controller for adjustment 2. Check the entry into adjustment item 3(power On/Off Status) LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 121 1. Press the Setting button on the remote controller 2. Select the Sound function of the Menu 3. Select the Sound Out 4. Select TV Speaker LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 122 ③ Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal, the speaker is normal. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 123 ② Checking order 1, 2. Check IR cable condition between IR & Main board. Check the st-by 3.5V on the terminal 4 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...

  • Page 124: ③

    Check WIFI Combo cable condition between WIFI Combo Assy & Main board. Check the st-by 3.5V P001 on the terminal 4 Check the 3.5V_WIFI P4000 on the terminal 8 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
  • Page 125 ② Checking order 1, 2. Check Wifi cable condition between Wifi assy & Main board. Check the 3.3V on the terminal 8. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...

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