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LG 42PJ350 Service Manual

LG 42PJ350
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PLASMA TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : PD01A
MODEL : 42PJ350 42PJ350-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 Korea
P/NO : MFL62881211(1001-REV00)

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LG 42PJ350 Specifications

General IconGeneral
Audio systemMono/Stereo/Dual (MTS/SAP)
RMS rated power20 W
Number of speakers2
Product colorBlack
LED indicatorsStand-by
Panel mounting interface400 x 400 mm
Integrated clockYes
Power requirements100V - 240V, 50/60 Hz
Mean time between failures (MTBF)100000 h
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.
Digital audio optical out1
HD typeXGA
Display diagonal42 \
Display brightness1500 cd/m²
Display resolution1024 x 768 pixels
Display technologyLCD
Native aspect ratio16:9
Contrast ratio (dynamic)3000000:1
Power consumption (standby)0.1 W
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)260 mm
Width (with stand)988 mm
Height (with stand)688.5 mm
Weight (with stand)21000 g
Depth (without stand)55.3 mm
Height (without stand)621.8 mm
Weight (without stand)20000 g

Summary

SAFETY PRECAUTIONS

IMPORTANT SAFETY NOTICE

Key safety notices and precautions for servicing.

General Guidance

General guidelines for safe and proper servicing procedures.

Leakage Current Hot Check

Procedure for checking leakage current under hot conditions.

Leakage Current Cold Check(Antenna Cold Check)

Procedure for checking leakage current under cold conditions.

ADJUSTMENT INSTRUCTION

ADC Calibration Procedure

POWER Supply Unit PCB Ass'y Va/Vs Voltage Adjustment

White Balance Adjustment

White Balance Adjustment Procedures

TROUBLESHOOTING GUIDE

Power Board Voltage Output Troubleshooting

Flowchart for diagnosing power board voltage output issues.

No Power

Protect Mode

No Raster

In case of occur strange screen into specific mode

Check the followings

Steps to diagnose strange screen issues.

In case of doesn't display the screen into specific mode

Check the followings

Steps to diagnose screen display issues.

Unusual Display in Specific Input Modes

In case of no sound

Symptom

Symptoms of no sound output from the TV.

Check follow

Steps to diagnose and resolve no sound issues.

In case of no tuning

Symptom

Symptoms related to remote control or local key not working.

BLOCK DIAGRAM

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