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LG OLED97G2 Series Service Manual

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OLED TV
SERVICE MANUAL
CHASSIS : E*21H
MODEL: OLED97G2***
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL71902103 (2208-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 © 2022 LG Electronics Inc. All rights reserved. Only training and service purposes.

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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 BLOCK DIAGRAM ................. 14 EXPLODED VIEW .................. 15 ASSEMBLY / DISASSEMBLY GUIDE ............ 17 TROUBLE SHOOTING GUIDE ..........APPENDIX webOS22 new features & Usability ........APPENDIX - 2 - Copyright © LG Electronics Inc. All rights reserved. Only 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 training and service purposes.

  • Page 4: Servicing Precautions

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

  • Page 6: Specification

    - Digital TV : DTMB (China/Hongkong), DVB-C (China) - Analogue TV : PAL D/K,I, NTSC-M (China/ Hongkong) 4) Philliphine - Digital TV : ISDB-T - Analogue TV : NTSC-M - 6 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 7 * Hong Kong - 3780, 0.4/0.6, 4/16/64QAM, PN945, 720 ► DVB-C - Symbolrate : 4.0Msymbols/s to 7.2Msymbols/s - Modulation : 16QAM, 64-QAM, 128-QAM and 256-QAM - 7 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 8 000~999 *BS8K is only for 8K Models. CS Digital 000~999 (4K Models do not support BS8K Digital Channels.) BS4K/8K Digital 001~499 CS4K Digital 500~999 - 8 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 9 *Only 42/48C2 model & Japan all model USB Input (3EA) EMF, DivX HD, For SVC (download) JPEG, MP3, DivX HD Ethernet Connect (1EA) Ethernet Connect - 9 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 10: Dtv Mode

    107.89 23.98 1188 7680*4320 1188 7680*4320 1188 7680*4320 131.87 29.97 1188 8K Model Only. 7680*4320 1188 7680*4320 2376 7680*4320 263.74 59.94 2376 7680*4320 2376 - 10 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 11 UHD DeepColor is On (UHD, 8K 120Hz models only), 2560*1440 182.99 119.99 497.7 Support only when UHD Deep- Color is On - 11 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 12 (6) After finishing the update, it will show a pop-up below the picture. (7) Click “Yes” : Tv will be turn off and on itself - 12 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 13 “The latest version of the SW is available for your TV. Do you want to update now” (3) [Yes] : update starts. [No] : Close the pop-up, check out later - 13 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 14: Block Diagram

    BLOCK DIAGRAM - 14 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 15: 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. - 15 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 16 EXPLODED VIEW - 16 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 17 (1) Lay the set on a flat pad. (2) Remove the wall mount cover and AV cover. Wall mount cover AV cover (3) Unscrew the 23EA screws of the display part. - 17 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 18 (6) First, Using the Plastic scraper, separate the left/right holder and lift the back cover slightly with both hands to prevent it from being inserted into the holder again. Plastic scraper - 18 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 19 * Back Cover Handling Guide : The lower center part is vulnerable to bending, so hold the side and the lower part at the same time. ( - 19 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 20 (3) Lift the lower part of the EMS Assy and disassemble the screw (2EA) fastened to the IR Assy and separate the IR Assy. IR Assy Screw - 20 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 21 * Latch assembly part of IR Assy Latch assembly part <IR Assy Rear View> (2) Proceed with steps 2~3 of the IR Assy disassembly guide in reverse order. - 21 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 22 * Back Cover Handling Guide : The lower center part is vulnerable to bending, so hold the side and the lower part at the same time. ( - 22 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 23 (3) Push two Back Cover holders with one hand. Check if the side is floating because the holder is not assembled. (4) Screw the 23EA screws of the display part. - 23 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 24 * You need to make sure that the top latch is inserted correctly. ** It is necessary to check that there is no floating of the edge part. ① ② (6) Complete assembly. - 24 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 25: Troubleshooting Guide

    TROUBLE SHOOTING GUIDE Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 26 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 27 ☞A2 & A4 Always check & record S/W Version and White Replace Main Board Re-enter White Balance value Balance value before replacing the Main Board Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 28 Revised date 2/18 ☞A9 Check and No Video/ Check Power Board Normal replace No audio 20V,12V output voltage? MAIN B/D Replace Power Board and repair parts Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 29 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 30 Replace Main B/D Component device/Cable cable error normal Request repair for external device/cable Check external External HDMI device and Replace Main B/D device/Cable error cable normal Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 31 Replace (Check normal operation of screen? HDMI/ Screen Main /T-con External Input, Component, normal? RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 32: Power Error

    Measure voltage of each output of Power B/D Normal? Normal Replace Main B/D voltage? Normal Close Check Main ST-BY 7.8V voltage? ☞A9 Replace Power B/D Replace Power B/D Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 33 Normal Replace Main B/D Check Power B/D voltage? voltage ※ Caution Check and fix exterior Replace Power B/D of Power B/D Part Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 34 Reboot by SW down load function UNKNOWN No meaning (same as initial value) COMP_END OLED threshold voltage degradation(Compensation) completes. PNWASHDONE Power off by panel noise wash function complited. (OLED) Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 35 Screen normal of Power Board voltage Speaker off Cancel OFF Replace Power Board and repair parts Check Speaker Replace MAIN Board Disconnection disconnection Replace Speaker Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 36 (In case of Connect and check Normal External Input other external audio? signal error) device Check and fix external device Check and fix external device Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 37: Function Error

    (Power B/D don’t have problem) If R/C operate, Normal Close operating? Explain the customer cause is interference from light in room. Replace R/C Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 38 5sec RF Receiver ver Close is “00.00”? Replace MR22 Close Replace MR22 * If you conduct the loop at 3times, change the MR22. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 39 Voltage? 1pin Main B/D INSTART menu ☞A14 Close Check & Repair Wifi cable connection ☞A4 Wi-Fi Mac value Close is “NG”? Change the Wifi assy Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 40 Recognition error - S/W Version HDMI/ Check and fix DVI, Optical Replace Main B/D Fix in Recognition external device/cable accordance error with technical information Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 41 In the Menu activation Connection Connection Network Connection Activation Close Close Replace Cable Replace Connection Voice Recognition Main B/D Ass’y Close Cable Close Re-Connection Close Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 42 18pin Main B/D INSTART menu ☞A17 Close Check & Repair Motion cable connection ☞A16 Check Motion Sensor ☞A16 MOTION Close “NG”? Change Motion Sensor Module Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 43 “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) Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 44 Revised date 18/18 Zoom part with Module Replace module exterior damage damage Cabinet Replace cabinet damage Remote Replace remote control control damage Stand Replace stand dent Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 45 Exchange Main Board (1) ~ (3) A-3/10 ~ A-5/10 <Appendix> Exchange Module (1) ~ (4) A-6/10 ~ A-9/10 Exchange Power Board(PSU) A-10/10 Continue to the next page Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 46 Check Voice Recognition Function activation Check Motion Sensor Operation A16-A17 How to use the Service remote control A18-A20 E. Etc Check items after Main B/D replacement Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 47 Check the voltage of R7632 (Blue) while turning on TV power If the voltage is low, Vx1 is locked.(OK) Low (0V) : Normal, High (3.3V) : Burnt Detect Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 48 2. Enter into White Balance. 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. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 49 All settings  General  Programmes  Programme Tuning & settings  Manual Tuning When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 50 Revised Content Version checking method date 1. Checking method for remote control for adjustment Version Press the IN-START with the remote control for adjustment Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 51 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 52 Revised Content connection diagram date As the part connecting to the external input, check the screen condition by signal Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 53 A. Video error_Color error symptom date Revised Content Check Link Cable(VX1/EPI) reconnection condition date Check the contact condition of the Link Cable, especially dust or mis insertion. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 54 Screen darkness to disconnection of the FFC cable pin. G color transient due to poor FFC cable CABLE G Color Excessive connection A - 1/10 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 55 LVDS cable connection problem CABLE Color spread LVDS cable connection problem Due to foreign substance withi nLVDS CABLE Screen stop cable PIN A - 2/10 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 56 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 57 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 58 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 59 Image broken Bright spot occur due to panel defect MODULE Bright Spot Horizontal Line dim occur & MODULE Line Dim Vertical Noise occur A - 6/10 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 60 MODULE Horizontal multiple band noise band MODULE Line defect Vertical Line defect occur MODULE Module damage Module damage caused by the module A - 7/10 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 61 Source PCB Defect defect Panel defect MODULE Vertical band MODULE Green lighting Abnormal light emission MODULE Color step noise The difference in color A - 8/10 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 62 (In this case, it can’t be repared. Replace Module) Picture Mura (In this case, it can’t be repared. Module Mura Replace Module) A - 9/10 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 63 Appendix : Exchange Power Board (PSU) No Light No picture/Sound Ok A - 10/10 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 64 Established B. Power error _No power symptom date Revised Content Check front display LED date ST-BY condition: On or Off Power ON condition: Turn Off Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 65 (ST-BY : 7.8V, Normal : 12V) All outputs are in “Slave 2” Slave 2 P2011 SK100 P2012 Slave 1 Power To Module (P2013~15) P2014 P2013 P2015 Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 66 POWER OFF MODE checking method date <ALL MODELS> Entry method 1. Press the IN-START button of the remote control for adjustment. 2. Check the entry into adjustment item 3. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 67: Checking Method

    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. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 68 3. Connect the speaker terminal and if you hear the ‘Chik~ Chik~’ sound when you touch the GND and output terminal, the speaker is normal. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 69: Voice Recognition

    2. Check the Main standby 3.5V on the terminal. 3. AS checking the IR LED light, the power is ON condition, an Analog Tester needle should move slowly, otherwise, it’s defective. Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 70 Checking order to check motion remote/wifi WOV_PDM_CLKOUT Checking order 1.Check BT/Wifi cable condition between BT/Wifi assy & Main board. 2.Check the Main 3.5V on the terminal 1 pin Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.

  • Page 71: Voice Recognition Settings

    Check Voice Recognition Function activation date 1. All Settings > General > AI Serivice 2. Voice Recognition Settings 3. User Agreements 4. Activation of Voice Recognition Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 72 Motion : YES is displayed on the Screen. Press Instart key On the instart screen, check the motion check item OK Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 73 Checking order to check motion sensor Checking order 1. Check the cable connection between the main board and the IR PCBA. 2. Check Terminal no.18 Voltage => 3.5V Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 74 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 75 Digital EYE function ON/OFF For some Model, access to the Test Pattern TILT Used for screen tilting change (Access to the old PDP control mode) Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 76 Connects to external input 1,2,3 COMP1,2 (Added function) Connects to Component 1,2 HDMI1,2,3,4 Connects to HDMI 1,2,3,4 (Add function) DVI (Add function) Connects to DVI Copyright © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 77 - 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 © 2022 LG Electronics Inc. All rights reserved. Only for training and service purposes.
  • Page 78 & Usability Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 79 - [Remote Control] webOS5.0 (2020) vs. webOS6.0 (2021) vs. webOS22 - [Home screen] webOS6.0 (2021) vs. webOS22 - [Homeboard] webOS4.5 (2019) ~ webOS22 dashboard supported products - WebOS22 new features & usability Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 80 Region Regio -/LIST changed to GUIDE/- General External input Settings Remote Control TV Icon printed Screen ratio (Netflix, Amazon, etc.) (Netflix, Amazon etc.) Screen ratio Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.

  • Page 81: Home Screen

    - There is not much useful content in the top category. Added the category list editing function → The order of the top/ bottom of the list has been changed Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 82 [Homeboard] List of LG products that can be registered on webOS4.5 ~ webOS22 Home Dashboard * Push Compatibility Products notification webOS 4.5 (2019) webOS 5.0 (2020) 2021 webOS 6.0 2022 webOS22 supported Refrigerator Available after SW update Wine refrigerator in March, 2022...
  • Page 83 : You can watch a workout video on the main screen and observe yourself exercising using the camera app on the other screen at the same time. ■ Room to Room Share (Screen link): After connecting your LG TVs at home, you can watch the video that was only connected to the set-top box in the living room with the TV in your room.
  • Page 84 - It provides not only total TV screen time, but also daily/ weekly - Even if your child presses the remote control mistakenly, the screen time for each app. volume won’t go above 60. Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.

  • Page 85: Background Mode

    Standby Mode: Voice recognition available Back Here is the latest trending content. Background Mode Voice recognition : Hi LG, what is trending now? when the background mode is over Standby Q1. How much electricity does my TV consume in Background Mode or...
  • Page 86 “ Send Screen” available TV : Z2, G2, C2, QNED99/95 function? “ Get Screen” available TV : All LG TV models launched in 2022 During the screen transmission process, the original image is compressed and then data is transmitted through a wireless network.
  • Page 87 ● ● ○ Q5. Screen Saver automatically starts when no movement is detected for 30 Gallery ● minutes while watching videos using Multi View, (OLED) Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 88 TV are on the same network Live TV / Switch input - Content search is always supported. * Supports webOS4.5 or higher version Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 89 - Receive notifications environments. - Turn off screen - Slide show speed - Screen on time setting - Enable Illuminance sensor Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 90 Connecting device Device type Select input terminal Select STB operator or manufacturer (If not in the list, search and select)  Test remote control operation (Follow the guideline on the screen)  Completed Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.

  • Page 91: Tv Remote Control

    • When controlling STB using the TV remote control connected to Sender TV, the Room-to-Room share function is disconnected. The sender TV screen turns on and it starts to work as a usual TV. Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 92 - Place both ends (one or two) of the IR Blaster in front of the external device remote control receiver (usually located in front of the device). Customer Service Guide Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 93 ※ When [Turn on the TV using Wi-Fi] is OFF, there may be restrictions on other functions. -Turning on the TV on ThinQ App / AirPlay / Youtube, etc Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 94 If you want to change the settings of the connected external device, please change the settings on the TV to which the external device is connected after exiting the room-to-room function. (mirroring). Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.

  • Page 95: Split Screen Mode

    Live TV PIP mode Screenshare(Miracast) ※ Not applicable to China/ Hong Kong Camera products App 1 Customer Service Screenshare(Miracast) HDMI Guide App 2 Camera Gallery Spotify Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 96 XXNANO76 & its derivative model Name XXNANO75 & its derivative model XXUQ91 & its derivative model Guide XXUQ90 & its derivative model XXUQ80 & its derivative model Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 97 2) Turning off the high frame mode Dolby TrueHD audio signal 3) Setting the output resolution to 4K resolution or lower, 4) After setting the audio signal to PCM or AC3 Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 98 8K, or Dolby MAT/Dolby 3) Setting the output resolution to 4K resolution or TrueHD audio signal ON lower, 4) Setting the audio signal to Dolby Digital or AC3 Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.
  • Page 99 Dolby MAT audio signal Service Audio game controller settings, you can try again after setting the audio signal to Dolby TrueHD audio signal Guide Dolby Digital or AC3. Copyright © 2022 LG Electronics. Inc. All rights reserved. Only for training and service purposes.

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