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LG 49UJ634V - User Manual

LG 49UJ634V
101 pages
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P/NO : MFL69879814 (1707-REV01)
CHASSIS : UD74P
MODEL : 49UJ634V 49UJ634V-ZD
49UJ635V 49UJ635V-ZF
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
LED TV
SERVICE MANUAL
CONFIDENTIAL
Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
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LG 49UJ634V Specifications

General IconGeneral
Screen shapeFlat
Response time- ms
Display diagonal49 \
Display brightness- cd/m²
Display technologyLED
Native aspect ratio16:9
LED backlighting typeDirect-LED BLU
Display diagonal (metric)123 cm
Supported graphics resolutions3840 x 2160
Motion interpolation technology-
Product colorBlack
Panel mounting interface300 x 300 mm
3DNo
Annual energy consumption103 kWh
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.3 W
Power consumption (typical)74 W
Package depth170 mm
Package width1193 mm
Package height805 mm
Package weight15000 g
Cables includedAC
Remote control typeAN-MR650A
Audio formats supportedAAC, AAC HE, AC3, EAC3, MP2, MP3, PCM, WMA, apt-X
Video compression formatsHEVC, VP9
Tuner typeAnalog & digital
Digital signal format systemDVB-C, DVB-S2, DVB-T2
Operating system version3.5
Operating system installedWeb OS
Audio decodersDTS, DTS-HD
RMS rated power20 W
Number of speakers2
HDMI ports quantity3
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet LAN (RJ-45) ports1
Consumer Electronics Control (CEC)SimpLink
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity0
Programming period8 day(s)
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)259 mm
Height (with stand)705 mm
Weight (with stand)12700 g
Depth (without stand)81 mm
Width (without stand)1110 mm
Height (without stand)650 mm
Weight (without stand)11300 g

Summary

Safety and Precautions

Safety Precautions

General safety advice, isolation transformer usage, fuse handling, and leakage current checks.

Servicing Precautions

Guidelines for safe servicing, handling ES devices, and soldering best practices.

Specifications

Application, Test Requirements & Methods

Specifies chassis, test conditions, performance standards, and market scope.

Input;Output Format Details

Details on external input formats for 2D, 3D modes, HDMI, and PC.

Software Update

Software Update Procedures

Methods for updating TV software using USB or Network (NSU).

System Block Diagrams

K3 Lp Chipset and Interface Diagrams

Block diagrams for K3Lp chipset, interfaces, memory, power, and GPIO.

Disassembly Guide

TV Disassembly Procedures

Step-by-step guide for disassembling the TV, including back cover and stand.

Troubleshooting Guide

Video Error Troubleshooting

Flowcharts for diagnosing video issues: no video, picture issues, color errors.

Power, Audio, Function, Noise & Exterior Errors

Troubleshooting flowcharts for power, audio, function, noise, and exterior defects.

Detailed Repair Procedures

Specific Video Error Repair Steps

Detailed procedures for video errors: backlight, white balance, tuner, cables.

Specific Power;Audio;Function Repair Steps

Detailed procedures for power, audio, and function errors: indicators, voltages, menus, remotes.

Appendix: Symptom Examples

Symptom Examples: Cable, Main Board, Module, T-Con

Visual examples of symptoms caused by cable, main board, module, or T-Con issues.

Smart JIG Diagnostics

Smart JIG Usage and Model Diagnostics

Guide to using Smart JIG for power board diagnosis across various TV models.

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