LG OLED65E9PUA Service Manual
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LG OLED65E9PUA Service Manual

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OLED TV
SERVICE MANUAL
CHASSIS : EA91E
MODEL : OLED55E9PUA
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL71409503 (1903-REV00)
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modification, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you
have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual.
The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service
Manual.
Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
OLED65E9PUA/AUA
CONFIDENTIAL

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  • Page 1 Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual. The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service Manual.
  • Page 2 SOFTWARE UPDATE ................9 BLOCK DIAGRAM ................. 10 EXPLODED VIEW .................. 16 ASSEMBLY / DISASSEMBLY GUIDE ........APPENDIX TROUBLE SHOOTING GUIDE ..........APPENDIX - 2 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 3: Safety Precautions

    When the exposed metal has no return path to the chassis the reading must be infinite. An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 4: Servicing Precautions

    - 4 - Copyright © LG Electronics Inc. All rights reserved. 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. Only for training and service purposes.

  • Page 6: Application Range

    Optical Audio out Rear(1EA) HeadPhone(1EA) HeadPhone out Rear(1EA) USB Input(3EA) EMF, DivX HD, For SVC (download) JPEG, MP3, DivX HD Ethernet Connect (1EA) Ethernet Connect - 6 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 7 SDTV, DVD 480I(525I) 720*576 15.62 13.5 SDTV, DVD 576I(625I) 50Hz 720*480 31.47 59.94 SDTV 480P 720*480 31.5 27.02 SDTV 480P 720*576 31.25 SDTV 576P - 7 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 8 UDTV 2160P 4096*2160 134.86 59.94 593.4 UDTV 2160P 4096*2160 UDTV 2160P 4096*2160 1188 UDTV 2160P 4096*2160 1188 UDTV 2160P 2560*1440 88.78 241.5 2560*1440 497.7 - 8 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 9: Software Update

    (5) After finished the update, below Pop-up appear (6) Turn OFF the TV and On. Check the updated SW Version and Tool Option - 9 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 10: Block Diagram

    BLOCK DIAGRAM 1. Main - 10 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 11 2. Tuner - 11 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 12: Video & Audio In/Out

    3. Video & Audio IN/OUT - 12 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 13 4. HDMI 2.1 - 13 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 14 5. USB / Wi-Fi / M-Remote / UART - 14 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 15 6. I2C Map - 15 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 16: Exploded View

    It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 16 - Copyright © LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 17: Disassembly Guide

    Disassembly Guide...
  • Page 18 (1-1) Take off the Cover, Stand Bar Outer and Cover, Stand Deco Top. (1-2) Detach the code from the Latch of the Cover, Stand Base. Cover, Stand Bar Outer Cover, Stand Deco Top Cover, Stand Base when take off the stand deco top, Lift bottom first and then open upward when take off the Stand Deco Top,...
  • Page 19 (2-1) Unscrew the 5 Screws of Stand. (2-2) Tilt the stand bridge with both hands and pull the Stand’s latch from the hole of the Cover, Rear.(3EA) ※ Be sure to hold the Head part while disassembling the Stand. ※ Must need at least 2 men. ◀...
  • Page 20 (3-1) Unscrew the screw of Bracket, Power Cord(1EA). (3-2) Lift up the Power Cord to remove the Bracket, Power Cord (3-3) Separate Power PCB Wafer from the Power Cord Harness. Lift up the Power Cord to remove Power Cord Harness separation the Bracket, Power Cord Unscrew the screw 1EA...
  • Page 21 (4-1) Detach the Cover, Side AV. (4-2) Unscrew the screw of Cover, Rear(5EA). (4-3) Grip the site of removed Bracket, Power Cord and lift it up, the Cover, Rear will be disconnected from the module by disconnecting the latch. LATCH Point...
  • Page 22 (5-1) Separate the speaker harness and IR harness on the latch. SPEAKER HARNESS separation IR HARNESS separation...
  • Page 23 (6-1) Remove the Bracket, IR by pressing both side faces. (6-2) Unscrew the Wi-fi/Jog Ass’y Screw 1ea and then separate. (Insert Harness into the STOPPER Disassemble the Screw until Connect sound is occurred) Wi-fi/Jog Ass’y Bracket, IR...
  • Page 24 (7-1) Disconnect the Harness connecting the main PCB to the each L/R speaker. (7-2) Disassemble the 4EA screws on both sides of the L/R speakers and Detach from the PEM-nut.
  • Page 25 (8-1) Pull out the harness connecting the main PCB and the Power PCB, and then remove the harness from the latch. (8-2) Disassemble the 12ea screws of Main PCB and Power PCB and remove from the PEM-Nut. Main PCB Power PCB...
  • Page 26 (9-1) Separate the 4 harnesses from the Main PCB board. (9-2) Separate the Bracket, Side AV connected to Main PCB hole. P7603 P7602 1) 41P FFC cable → Main PCB P7602 P7601 2) 51P FFC cable → Main PCB P7601 P5901/2 3) 24P Harness →...
  • Page 27 (10-1) Unscrew the screws EA. (10-2) Remove the Bracket, Stand Supporter 3EA. 10-1 10-1 10-2 10-2 10-2...
  • Page 28 (11-1) Unscrew the screws 4EA. (11-2) Remove the VESA Bracket 4EA in order of ⓐ to ⓑ. 11-2 ⓐ Detach from ⓐ ⓑ ⓑ 11-1 11-1 11-1 11-1...
  • Page 29 (12-1) Open the clip and remove the FFC cable. (12-2) Unscrew the Screws 5ea and then remove the Plate, Shield from the T-Con PCB. (12-3) detach the T-Con PCBA from the PEM-Nut Disassembly complete 12-3 12-2 12-2 12-1 12-1 12-1 12-1 12-2 12-2 12-2...

  • Page 30: Assembly Guide

    Assembly Guide...
  • Page 31 ※ Disassembly according to Manual Guide (1-1, 1-2, 2-1, 2-2, ... ) (1-1) Put the T-Con PCB on PEM-Nuts. (1-2) Put the Plate, Shield on T-Con PCB and then assemble with the 5ea screws. (1-3) Insert the FFC Cables 4ea and close the clip. 1-3 1-3 -T-Con PCB insertion -Shield Plate assemble...
  • Page 32 (2-1) Insert VESA Bracket 4ea ⓐ→ⓑ. (2-2) Assemble the screw 4ea. ⓑ Assemble the screw after insert ⓐ→ⓑ ⓐ...
  • Page 33 (3-1) Fix the Bracket, Stand Supporter 3ea. (3-2) Assemble the screws 6ea.
  • Page 34 (4-1) Insert Bracket, Side AV into the hole of Main PCB. (4-2) Insert the 4ea Harnesses into the Main PCB board. Bracket, Side AV PCB BOTTOM PCB TOP Insert to the hole P7603 P7602 1) 41P FFC cable → Main PCB P7602 P7601 2) 51P FFC cable →...
  • Page 35 (5-1) Assemble/Fix the Main PCB and Power PCB with 12ea screws. (5-2) Connect the Main PCB and Power PCB with Harness and hang the Harness on hook. Power PCB Main PCB...
  • Page 36 (6-1) Assemble the L/R Speaker with 4ea screws. (6-2) Connect the Main PCB and each L/R Speaker with Harness.
  • Page 37 (7-1) Insert the Bracket, IR and fix it. (7-2) Insert the Wi-fi/Jog Ass’y and assemble with the 1ea screw. Insert Insert Harness into the STOPPER until Connect Screw 1ea sound is occurred Insert Insert Bracket, IR Wi-fi/Jog Ass’y...
  • Page 38 (8-1) Arrange the IR Harness and Speaker Harness. Insert the Speaker harness Insert the IR harness ”Holding the hook when arrange the harness ) ※ ( “...
  • Page 39 (9-1) Assemble the Rear Cover and Module by pushing the latches. (9-2) Assemble the 5ea screws. (9-3) Insert the Cover, Side AV. Check the gap Module to B/C after aseembly Push the LATCH follow arrows...
  • Page 40 (10-1) Insert Power Cord Harness into Power PCB Wafer and assemble Bracket, Power Cord by Latch.. (10-2) Assemble Bracket, Power Cord + Cover, Rear + Module the screw 1ea. 10-1 Check the direction Insert to the POWER PCB Push the Bracket, Power Cord 10-2 Bracket, Power Cord...
  • Page 41 (11-1) Tilt and hold the stand bridge with both hands and then insert Stand Latch into the hole of Cover, Rear. (3ea) (11-2) Assemble the Stand with 5ea Screw. 11-1 11-2 ※ Must need at least 2 men. ◀ A man holding the head part ▼...
  • Page 42 (12-1) Hang the code on hooks of Cover, Stand Base. (12-2) Assemble the Cover, Stand Bar Outer and Cover, Stand Deco Top. Reassembly complete. 12-1 Cover, Stand Base 12-2 ※ After assemble the Cover, Stand Bar Outer Cover, Stand Bar Outer - Check the center latch is fixed well - Check the Gap between Rear Cover Cover, Stand Deco Top...
  • Page 43 E9 Installation Handling Guide ※ Stand assembly installed in Box without laying down the Head. (1) Remove the stand packing from the set packaging. (2) Remove the Stand assembly from the Stand packing and remove the Stand Deco Top. Stand Deco Top Stand Packing...
  • Page 44 E9 Installation Handling Guide (3) Support the Stand Top Packing as shown in the figure, and place the stand on the saddle. Rear View...
  • Page 45 E9 Installation Handling Guide (4) Assemble the 5 screws on the stand to connect to the head. Rear View Screw Point 5EA.
  • Page 46 E9 Installation Handling Guide (5) Arrange the stand cable. (6) Assemble the Stand Outer (①) and Stand Deco Top (②). Rear View ① ② ※ After assemble the Cover, Stand Bar Outer - Check the center latch is fixed well - Check the Gap between Rear Cover ※...

  • Page 47: Troubleshooting Guide

    TROUBLE SHOOTING GUIDE Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 48 E. Noise Circuit noise, mechanical noise F. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GSCS System for these model. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 49 ☞A4 & A2 Always check & record S/W Version and White Balance value Replace Main B/D Re-enter White Balance value before replacing the Main Board Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 50 Check and replace Check Power Board Normal No Video / Main B/D output to Main (20V, 12V ) No audio Voltage? Replace Power B/D or repair parts Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 51 1. Reconnection 2. Install Booster S/W Upgrade Contact with signal distributor Normal or broadcaster (Cable or Air) Picture? Normal Picture? Replace Main B/D Close Close Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 52 Input device/Cable device and cable error normal Request repair for external device/cable External Check external HDMI Replace Main B/D device/Cable device and cable error normal Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 53 (Check normal operation of Screen Main B/D / External Input, Component, HDMI screen? normal? Module AV and HDMI by connecting Jig, pattern Generator ,Set- top Box etc. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 54 Measure each output voltage of Power B/D ☞A10/A11 Normal Normal Check ST-BY (7.8V) Replace Main B/D Normal? voltage? voltage? Replace Power B/D Close Replace Power B/D Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 55 Normal Replace Main B/D Check Power B/D voltage? output voltage ※ Caution Check and fix exterior Replace Power B/D of Power B/D Part Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 56 Module Power off by resume fail when dc on case. POWER_OFF_BY_RESUME_FAIL Check & Change Main B/D If occur the resume fail, TV will be rebooted. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 57 POWER_OFF_BY_PNWASHDONE Power off by panel noise wash function completed. POWER_OFF_BY_COOLING Power off for cool down the OLED t-con. POWER_OFF_BY_EDID_WRITE Power off by EDID write done. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 58 Power Board or not Replace Power Board or repair parts Select Internal TV Speaker Check Speaker Replace Main B/D Disconnection cable connection Connect Speaker cable Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 59 (In case of External Input Connect and check signal error) Normal other external Check and fix external audio? device device Check and fix external device Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 60 Replace Main B/D (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 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 61 Download the Firmware •If you conduct the loop at 3times, Instart Memu change Magic remote control  12.RF Remote control Test  Receiver Firmware Download Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 62 “NG”? Voltage? Instart menu Main B/D ☞A16 Close Check & Repair Wi-Fi cable connection ☞A4 Wi-Fi MAC Close is “NG”? Replace the Wi-Fi assy Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 63 - Fix information information? Recognition error - S/W Version HDMI/DVI, Check and fix Replace Main B/D Optical Recognition Fix in external device/cable error accordance with technical information Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 64 “Part related to nose” in the Owner’s (For models without any fix information, Manual. provide the description) Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 65 Revised date 17/17 Zoom part with Module Replace module exterior damage damage Cabinet Replace cabinet damage Remote control Replace remote control damage Stand Replace stand dent Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 66 Example of Symptom (Module) A-7/10 Example of Symptom (Module) A-8/10 Example of Symptom (Module) A-9/10 Example of Symptom (Power board) A-10/10 Continue to the next page Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 67 How to use the Service remote control A17-A19 E. Etc Check items after Main B/D replacement How to use JIG (Power B/D Diagnostic Smart Jig Multi Gender) Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 68 Check a voltage of R7632 after turn on the TV. If the voltage is low, Vx1 is locked.(OK) If the voltage is high, BDP issue.(NG) Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 69 2. Enter into ‘12.White Balance’ 3. After recording the R, G, B (Gain, Cut) value of each Color Temp(Cool/Medium/Warm), re-enter the value after replacing Main board. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 70 All Settings  Programmes  Programme Tuning & Settings  Manual Tuning 3. Check the signal level. When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 71 A. Video error_Video error, video lag/stop symptom date Revised Content Version checking method date Version 1. Press ‘IN START’ button on Factory Service remote control. 2. Check S/W Version Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 72 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. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 73 Residual image, Light spot date Revised Content Connection diagram date As the part connecting to the external input, check the screen condition by signal Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 74 A. Video error_Color error symptom date Revised Content Check Link Cable(Vx1) reconnection condition date Check the contact condition of the Link Cable, especially dust or mis-insertion. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 75 Screen darkness to disconnection of the FFC cable pin. G Color G color transient due to poor FFC cable Cable connection Excessive A - 1/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 76 Vx1 cable connection problem Cable Color spread Vx1 cable connection problem Due to foreign substance withi nLVDS Cable Screen stop cable PIN A - 2/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 77 Main IC problem Main Dark picture Dark left-side screen Top/bottom screen part Main Broken picture Picture problem due to tuner Inner side quality problem A - 3/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 78 Screen spread Screen corner appears blurry Main Color Spread Color spread on the screen Main Blurry Screen Blurry picture on the screen A - 4/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 79 Screen picture spread problem Screen problem No problem at the initial stage. Right-side Main During Heat run, right-side picture picture problem problem A - 5/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 80 Source Driver issue Module White dot White dot cause by panel issue Module Line Dim Vertical Line cause by source drive IC A - 6/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 81 Horizon line Module has damaged Module has damaged Module Line Defect Un-repairable Cases Module Press damage In this case please exchange the module A - 7/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 82 In this case please exchange the module difference Compensation error when Power On/off Module Green light Color difference between screen cause Module Color difference by compensation error A - 8/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 83 Module has damaged Module No image (Can’t fix it) Burnt Module Burnt (Can’t fix it) Screen Mura Module Mura (Can’t fix it) A - 9/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 84 Appendix : Exchange Power Board (PSU) No Light No picture/Sound Ok A - 10/10 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 85 Stand-by condition : Red Power On condition : Turn Off ※ Power indicator control Menu  All Settings  General  Standby Light  ON/ Off Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 86 Check 12VM line for ST-BY Voltage ST-BY status : 7.8V, Power on(DC On) status : 12V Power To Main B’d P201 P251 Power To Module Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 87 POWER OFF MODE checking method date 1. Press ‘IN START’ button on Factory Service remote control 2. Check the entry into ‘3. Power On/Off Status’. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 88 Checking method in menu when there is no audio date 1. Press ‘MENU’ button. 2. Select ‘All Settings’ 3. Select ‘Sound’ menu and ‘Sound Out’. 4. Select Internal TV Speaker. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 89 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. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 90 3. AS checking the Pre-Amp of IR B/D(③) , the power is in ON condition, an Analog Tester 3.5V_WiIFI needle should move slowly, otherwise, it’s defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 91 WIFI_SUSPEND/RE 1. Check BT/Wifi cable condition between BT/Wifi assy & Main board. SUME_JACK 2. Check the 3.5V on the terminal 13, 19, 24. WIFI_DM 3.5V_WiIFI Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 92 Standard Repair Process Detail Technical Manual Error Established E.Etc symptom date Revised Content How to use the Service remote control date 1. How to access the remote control Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 93 Digital EYE function ON/OFF For some Model, access to the Test Pattern Used for screen tilting change (Access to the old PDP control mode) TILT Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 94 Connects to external input 1,2,3 AV1,2,3 (Added function) Connects to Component 1,2 COMP1,2 (Added function) HDMI1,2,3,4 Connects to HDMI 1,2,3,4 (Add function) Connects to DVI DVI (Add function) Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 95 - Record the R, G, B (GAIN, Cut) value of the color temperature before main board replacement. After replacing the main board, key in the recorded value. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 96 Smart JIG Power Diagnosis Muitl Gender Guide (P/N : RAD32507801) (P/N : RAD33187801) Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 97: Main Board

    24 Marking Check UK74,UK75 28Pin 28Pin 12Pin 12Pin 28Pin UK77,UK78 Cable Connection SK79 Includes 49UJ63 SM80/SM86 16/18Y/19Y 17Y/18Y 16Y/17Y 16Y/17Y/18Y/19Y (UH) (UH/SJ) (SJ/UJ/UK/SK) (UH/UK/UM (LH/LJ/LK/LM) Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 98 UJ65/UJ68, UJ63/UJ67 LJ61/LJ68, LJ55/LJ58 SK80/SK85/SK95 UK78/UK75/UK77/SK79 ‘18 UK63/UK64/UK65/UK68/UK7050 LK57, 32/43/49LK54, 32LK61/62, 43/49LK61 ‘18 OLED B8, C8, E8, G8, W8 SM80/SM85/SM86 ‘19 UM73/UM74/UM75/UM76/UM79/UM80 LM57/LM63 ‘19 OLED B9/C9/E9/W9 Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 99 ▶ Power Board Muitl Gender JIG “A: 2013 LCD POWER” 2014 ▶ Connect the Muiti Gender to the connector (black) as shown in picture 2 of the Smart JIG. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 100 - 20V Power Board : Change the switch to 24V of Smart Jig Voltage - 13.2V/18V Power Board : Change the switch to 24V of Smart Jig Voltage Power B/D Smart Jig Voltage Switch 13.2V/18V Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 101 ▶ Fix the LCD MODEL switch to 24V.(Smart JIG) ▶ Disconnect the Main Board 24Pin Power Cable connector. ▶ Connect the 24Pin Power Cable connector to the Muitl Gender JIG 24Pin connector Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 102 ▶ When the OK LED(24V,12V) turns on, Power Board is normal. ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 103 ▶ When the OK LED(24V,12V) turns on, Power Board is normal. ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 104 ▶ When the OK LED(24V,12V) turns on, Power Board is normal. ▶ Connect the 24Pin Power Cable connector to the Muitl Gender JIG 24Pin connector Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 105 ▶ Connect the 24Pin Power Cable connector to the Muitl Gender JIG 24Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 106 ▶ Connect the 24Pin Power Cable connector to the Muitl Gender JIG 24Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 107 ▶ When the NG LED turns on, the Power Board ▶ Fix the LCD MODEL switch to 20V.(Smart JIG) can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 108 ▶ When the NG LED turns on, the Power Board ▶ Fix the LCD MODEL switch to 20V.(Smart JIG) can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 109 ▶ Connect the 18Pin Power Cable connector to the Muitl Gender JIG 24Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 110 ▶ Connect the 28Pin Power Cable connector to the Muitl Gender JIG 28Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 111 ▶ Connect the 28Pin Power Cable connector to the Muitl Gender JIG 28Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 112 ▶ Connect the 12Pin Power Cable connector to the Muitl Gender JIG 12Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 113 ▶ Connect the 12Pin Power Cable connector to the Muitl Gender JIG 24Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 114 ▶ Connect the 28Pin Power Cable connector to the Muitl Gender JIG 28Pin connector ▶ When the NG LED turns on, the Power Board can be judged as defective. Copyright © 2019 LG Electronics Inc. All rights reserved. Only for training and service purposes.

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