LG OLED55B6P Service Manual

Hide thumbs Also See for OLED55B6P:

Safety and reference (47 pages)

Owner's manual (77 pages)

Easy setup manual (77 pages)

Table Of Contents

Table of Contents

Quick Links

Summary of Contents for LG OLED55B6P

Page 1 Internal Use Only OLED TV SERVICE MANUAL CHASSIS : EA64B MODEL : OLED55B6P OLED55B6P-U MODEL : OLED65B6P OLED65B6P-U CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69589301 (1604-REV00)
Page 2 BLOCK DIAGRAM .................. 20 EXPLODED VIEW .................. 28 DISASSEMBLY ..................29 SCHEMATIC CIRCUIT DIAGRAM ........... APPENDIX TROUBLE SHOOTING GUIDE ..........APPENDIX - 2 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 3 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 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 SPDIF out(1EA) Optical Audio out Rear (1EA), USB Input(3EA) EMF, DivX HD, For SVC (download) JPEG, MP3, DivX HD - 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 23.97 296.70 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 8 593.40 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 (3) Barcode: Com 1,2,3,4 and 9600 (Baudrate) (3) Push Power Only key on Adjust remote-controlle. (4) Click “RUN”, Check “OK” or “NG” - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 10 @ power only mode inspection. Input HDMI Deep Color On HDMI Deep Color Off FFh (Checksum) FFh (Checksum) HDMI1 HDMI2 HDMI3 HDMI4 - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 12: Only For Training And Service Purposes
- Pattern : Horizontal 100% Color Bar Pattern APP History Version 146(deathvalley) - Pattern level: 0.7±0.1 Vp-p PQL DB : LGD_EGDE_SI2178B_XXXX55 Video : NULL - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 13: Only For Training And Service Purposes
(2) Adj. Computer ( During auto adj., RS-232C protocol is needed) (3) Adjust Remocon (4) Video Signal Generator MSPG-925F 720p/216-Gray (Model: 217, Pattern: 78) - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 14: Only For Training And Service Purposes
Mode Temp △uv Cool 0.271±0.002 0.270±0.002 13000K 0.0000 Medium 0.286±0.002 0.289±0.002 9,300 K 0.000 Warm 0.313±0.002 0.329±0.002 6,500K 0.003 - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 15: Only For Training And Service Purposes
(3) Setting automatic IP (4) Setting state confirmation (5) If automatic setting is finished, you confirm IP and MAC Address - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 16: Only For Training And Service Purposes
(1) RF input: Mono, 1KHz sine wave signal, 100% Modulation (2) CVBS, Component: 1KHz sine wave signal (0.4Vrms) (3) RGB PC: 1KHz sine wave signal (0.7Vrms) - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 17: Contents
1: Gain Value Adjustment 2: Offset and Gain Value Adjustment EEPROM EEPROM read Read EEPROM data EEPROM write Write - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 18: Only For Training And Service Purposes
Copy Bluetooth software MCL389x.bin file to memory stick with out folder. (Caution) Do no t copy the file to the inside folder - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 19: Only For Training And Service Purposes
▪ Time Process Downloading new Bluetooth software about 10seconds ▪ Please Wait until finish and do not un-plug power cable - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 24: Only For Training And Service Purposes
5. Video/Audio In Block Diagram - 24 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 25: Only For Training And Service Purposes
6. Audio Out Block Diagram AMP_MUTE - 25 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 27: Only For Training And Service Purposes
8. USB / WIFI / M-REMOTE / UART - 27 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 28: Only For Training And Service Purposes
Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 28 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 29: Only For Training And Service Purposes
- Pull up bottom of Rear Small Cover to remove. FAB31843216 (M3*5.5mm, Gray) 9EA -> Common use 55”/65” FAB31843216 (M3*5.5mm, Gray) 1EA -> Add only 55” - 29 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 30: Only For Training And Service Purposes
- Pull up bottom of Back Cover to remove. - Pull up Power Cord, than remove Bracket, next remove cord from PSU. (6) Remove Back Cover - 30 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 31: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015-06-13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MAIN1_SYSTEM 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 32: Only For Training And Service Purposes
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. K2L POWER 11/05/31 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 33: Only For Training And Service Purposes
2015-06-13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. K2L DDR LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 34: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 15-06-13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MAIN4_EXT_IN/OUTPUT 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: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015-06-13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. K2L_GND LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 36: Only For Training And Service Purposes
2015-01-10 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR PCMCI THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCMCI LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 37: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015-01-10 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PWR_1 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 38: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2015-06-13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR PWR_2 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: Only For Training And Service Purposes
K2L / K2Lp 2015-06-13 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MICOM LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 40: Only For Training And Service Purposes
2015-01-10 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MODEL OPTION 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: Only For Training And Service Purposes
2015-01-10 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI HDMI LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 42: Only For Training And Service Purposes
UF71/7500 2014-07-24 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. JACK_COMMON_PHONE_TYPE LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 43: Only For Training And Service Purposes
UF71/7500 2014-05-19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. IR/KEY LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 44: Only For Training And Service Purposes
2015-04-27 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. USB2.0 jack LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 45: Only For Training And Service Purposes
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR USB 2 & 3 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 46: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2014-12-15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR LAN_H 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: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MAIN_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 48: Only For Training And Service Purposes
2015.03.16 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR WOOFER 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 49: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR HP_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 50: Only For Training And Service Purposes
2011.04.17 JAPAN B-CAS 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 51: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2014-10-17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TU_CIRCUIT LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 52: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2014-09-11 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR TU_SYMBOL_H 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: Only For Training And Service Purposes
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 54: Only For Training And Service Purposes
2014-08-27 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Vx1 51P LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 55: Only For Training And Service Purposes
14/07/19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Vx1 41P 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 56: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2014-11-17 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR eMMC 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: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR RS232C 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: Only For Training And Service Purposes
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR SMD GASKET 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 Circuit noise, mechanical noise F. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GSCS System for these model. LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 62: Only For Training And Service Purposes
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 63: Only For Training And Service Purposes
Power No Video/ replace voltage? Board ( 13V or 24V) No audio MAIN B/D 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 64: Only For Training And Service Purposes
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 65: Only For Training And Service Purposes
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 66: Only For Training And Service Purposes
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 67: Only For Training And Service Purposes
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 68: Only For Training And Service Purposes
"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 69 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 70 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 71 (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 72 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 73 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 74 - 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 75 “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 76 Zoom part with Module Replace module exterior damage damage Cabinet Replace cabinet damage Remote control Replace remote control damage Stand Replace stand dent LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 77 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 78 Remote control 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 79 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 80 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 81 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 82 Version checking method Content date 1. Checking method for remote control for adjustment Version Press the IN-START with the remote control for adjustment LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 83 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 84 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 85 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 86 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 87 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 88 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 89 Established B. Power error _No power symptom date OLED TV Revised Content Check power input voltage date Check the DC 24V, 13V LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 90 Entry method 1. Press the IN-START button of the remote control 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 91 1. Press the Setting button on the remote control 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 92 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 93 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 94 Check WIFI Combo cable condition between WIFI Combo Assy & Main board. Check the st-by 3.5V P4102 on the terminal 4 Check the 3.5V_WIFI P4101 on the terminal 8 LGE Internal Use Only Copyright 2016 LG Electronics Inc. All rights reserved. Only for training and service purposes...
Page 95 3.5V_WIFI 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...

This manual is also suitable for:

Oled55b6p-u Oled65b6p Oled65b6p-u Oled65w7p Oled65w7p-u Ea71g

LG OLED55B6P Service Manual

Quick Links

Related Manuals for LG OLED55B6P

Summary of Contents for LG OLED55B6P

This manual is also suitable for:

Table of Contents