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LG 42LD650 Service Manual

LG 42LD650
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LED LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LD03E
MODEL : 47LE7300 47LE7300-ZA
MODEL : 47LE730N 47LE730N-ZA
MODEL : 47LE7380
47LE7380-ZA
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
Printed in KoreaP/NO : MFL63263214 (1008-REV00)

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LG 42LD650 Specifications

General IconGeneral
Game modeYes
Teletext functionNo
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.
Component video (YPbPr/YCbCr) in1
Response time2 ms
Display diagonal42 \
Display brightness500 cd/m²
Display technologyLCD
Native aspect ratio16:9
Contrast ratio (dynamic)150000:1
Product colorBlack
Power consumption (standby)0.3 W
Power consumption (typical)133 W
RMS rated power20 W
Number of speakers2
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)261 mm
Width (with stand)1024 mm
Height (with stand)685 mm
Weight (with stand)20300 g
Depth (without stand)76.8 mm
Height (without stand)621 mm
Weight (without stand)18300 g

Summary

Safety Precautions

Important Safety Notice

Essential safety parts replacement and hazard prevention.

Specifications

Application Range

Defines the scope of this specification for LD03E chassis TVs.

Requirement for Test

Specifies conditions for testing each component without appointment.

Test Method

Outlines methods for performance and other specification tests.

Module General Specification

Details general specifications of the LCD module.

Module Optical Specification

Provides optical performance details of the LCD module.

Component Video Input

Lists resolutions and frequencies for component video input.

RGB (PC) Input

Details resolutions, frequencies, and pixel clocks for PC RGB input.

HDMI Input (DTV & PC Modes)

Specifies resolutions and frequencies for DTV and PC HDMI inputs.

Adjustment Instruction

Designation

Information about designation for adjustment procedures.

ADC Adjustment

Adjusting black level, gain, and RGB deviation.

MAC Address

Procedures for editing and downloading MAC addresses.

LAN PORT INSPECTION (PING TEST)

Steps for performing LAN port inspection via ping test.

LAN Inspection Solution

Details equipment and solutions for LAN inspection.

V-COM Adjust

Explains Vcom adjustment for LGD modules.

CI+ Key Download Method

Procedure for downloading CI+ keys.

Model Name & Serial Number Download

Guides for downloading model name and serial number.

Manual Adjustment Overview

General overview of manual adjustment procedures.

ADC(GP2) Adjustment Procedure

Detailed procedure for ADC (GP2) adjustment.

EDID/DDC Download

How to download EDID/DDC data for display identification.

White Balance Adjustment

Objective and method for white balance adjustment.

Adj. Command Protocol

Details the command protocol for adjustments.

Adjustment Method

Step-by-step guide for performing adjustments.

Eye-Q Function Check

Procedure to check the Eye-Q function.

Local Dimming Function Check

Method for checking the local dimming function.

Option Selection per Country

How to select options based on country.

Tool Option Selection

Guide for selecting tool options.

Ship-out Mode Check

Procedure to check ship-out mode after inspection.

GND and Internal Pressure Check

Method for checking GND and internal pressure.

Audio Specifications

Specifications for audio output.

USB Software Download

Procedure for downloading software via USB.

Block Diagram

Exploded View

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