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LG 43UH610 Series User Manual

LG 43UH610 Series
76 pages
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P/NO : MFL69413319 (1607-REV02)
CHASSIS : UA65S
MODEL : 43/49UH610* 43/49UH610*-U*
MODEL : 43/49UH6030 43/49UH6030-U*
MODEL : 49UH6090 49UH6090-UJ
LED TV
SERVICE MANUAL
Internal Use Only
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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LG 43UH610 Series Specifications

General IconGeneral
Screen Size43 inches
Resolution3840 x 2160 (4K UHD)
Display TypeLED
Smart TVYes (webOS 3.0)
Audio Output20W
HDMI Ports3
USB Ports2
Wi-FiYes
BluetoothNo
Refresh Rate60Hz
Operating SystemwebOS 3.0
HDR SupportYes
Weight20.7 lbs

Summary

SAFETY PRECAUTIONS

General Guidance

Provides general safety advice for servicing electronic equipment.

Leakage Current Cold Check

Method for checking AC leakage current with the chassis cold.

Leakage Current Hot Check

Method for checking AC leakage current with the chassis hot.

SERVICING PRECAUTIONS

General Servicing Precautions

General guidelines and precautions for servicing electronic equipment.

Electrostatically Sensitive (ES) Devices

Procedures to prevent damage to sensitive electronic components.

General Soldering Guidelines

Best practices and techniques for soldering electronic components.

SPECIFICATION

Application Range

Defines the scope of application for the specifications provided.

Test Condition

Specifies the environmental and power conditions for testing.

Test Method

Outlines the methods and standards used for performance testing.

General Specification

Details the general electrical and functional specifications of the TV.

External Input Format

Component Input (Y, CB/PB, CR/PR)

Lists supported resolutions and frequencies for component input.

HDMI Input (PC/DTV)

Details supported resolutions and frequencies for HDMI inputs.

3D Mode

HDMI Input 1.4b (3D Supported)

Supported 3D input modes and resolutions via HDMI 1.4b.

HDMI 1.4/2.0 (3D Supported)

Supported 3D input modes and resolutions via HDMI 1.4/2.0.

HDMI-PC Input (3D)

Supported 3D input modes and resolutions for PC input via HDMI.

ADJUSTMENT INSTRUCTION

Application Range

Specifies the models and chassis covered by the adjustment instructions.

Specification

Lists general specifications and conditions for adjustment procedures.

Adjustment Items

Lists the specific adjustment procedures to be performed.

Automatic Adjustment

Details the automatic adjustment process, including ADC adjustment.

MAC Address, ESN, Widevine, HDCP2.0 Key D/L

MAC Address, ESN, Widevine, HDCP2.0 Key D/L

Procedures for downloading MAC, ESN, Widevine, and HDCP2.0 keys.

LAN Inspection

Guidelines and methods for inspecting LAN connectivity and settings.

Manual Adjustment

ADC Adjustment

Information regarding ADC adjustment and its necessity.

EDID / DDC Download

Instructions for downloading EDID/DDC data for display identification.

Camera Port Inspection

Adj. Command (Protocol)

Lists the commands and protocols for camera port inspection.

V-COM Adjust

Details the procedure for adjusting V-COM voltage deviation in panels.

White Balance Adjustment

Overview

Explains the objective and working principle of white balance adjustment.

Equipment

Lists the necessary equipment for performing white balance adjustments.

Adj. Command (Protocol)

Provides the command format and RS-232C commands for adjustment.

GND and Internal Pressure Check

Method

Describes the preparation and method for GND and internal pressure checks.

Checkpoint

Specifies the voltage, time, and points for checks.

USB S/W Download

Instructions for downloading software updates via USB.

AUDIO Output Check

Details the procedure for checking audio output levels and quality.

Block Diagram

K2Lp Circuit Block Diagram

Illustrates the overall circuit connectivity of the K2Lp chipset.

K2Lp I2C Block Diagram

K2Lp I2C Block Diagram

Shows the I2C communication pathways within the K2Lp chipset.

K2Lp Power Block

K2Lp Power Block

Details the power distribution and voltage requirements for the K2Lp.

Tuner/CI Block Diagram

Tuner/CI Block Diagram

Illustrates the block diagram for the tuner and CI interface.

Video/Audio In Block Diagram

Video/Audio In Block Diagram

Shows the block diagram for video and audio input signals.

Audio Out Block Diagram

Audio Out Block Diagram

Illustrates the audio output signal paths and components.

HDMI

HDMI

Details the HDMI interface connections and signals.

USB / WIFI / UART

USB / WIFI / UART

Shows the block diagram for USB, WIFI, and UART interfaces.

EXPLODED VIEW

EXPLODED VIEW

Provides a visual breakdown of the TV's components and their assembly.

DISASSEMBLY

Disassembly of Back Cover

Step-by-step instructions for removing the back cover.

Back Cover Hole Size & Long Nose Spec

Specifies the dimensions of back cover holes and tool requirements.

TROUBLE SHOOTING GUIDE

A. Video error: No video/Normal audio

Troubleshooting steps for no video or normal audio issues.

A. Video error: No video/No audio

Troubleshooting steps for no video and no audio issues.

A. Video error: Picture broken/ Freezing

Troubleshooting steps for picture breaking or freezing issues.

A. Video error: Color error

Troubleshooting steps for color-related video errors.

A. Video error: Vertical/Horizontal bar, residual image, light spot

Troubleshooting for vertical/horizontal bars, residual images, or light spots.

B. Power error: No power

Troubleshooting steps for the TV not powering on.

B. Power error: Off when on, off while viewing, power auto on/off

Troubleshooting for issues related to unexpected power-offs.

C. Audio error: No audio/Normal video

Troubleshooting steps for no audio when video is normal.

C. Audio error: Wrecked audio/discontinuation/noise

Troubleshooting for audio distortion, disconnection, or noise.

D. Function error: Remote control & Local switch checking

Troubleshooting for remote control or local switch malfunctions.

D. Function error: MR15 operating error

Troubleshooting steps for the MR15 (Magic Remote) operation.

D. Function error: Wifi operating checking

Troubleshooting steps for Wi-Fi connectivity issues.

D. Function error: Camera operating error

Troubleshooting steps for camera operation errors.

D. Function error: External device recognition error

Troubleshooting for errors related to external device recognition.

E. Noise

Troubleshooting steps for circuit or mechanical noise issues.

F. Exterior defect

Troubleshooting steps for physical defects on the exterior of the TV.

Standard Repair Process Detail Technical Manual

A. Video error: No video/Normal audio

Checking LCD backlight for no video/normal audio issues.

A. Video error: Video error, video lag/stop

Checking tuner input signal strength for video issues.

A. Video error: Color error

Checking link cable connection for color error issues.

B. Power error: No power

Checking the front power indicator for no power issues.

B. Power error: Off when on, off while viewing

Checking power off modes for power issues.

C. Audio error: No audio/Normal video

Checking menu settings for no audio/normal video.

D. Function error: Remote control operation checking method

Checking the remote control operation and IR cable condition.

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