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LG 42LC46 User Manual

LG 42LC46
47 pages
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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LD73A
MODEL : 42LC46
42LC46-ZC
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LG 42LC46 Specifications

General IconGeneral
Screen Size42 inches
Display TypeLCD
Resolution1366 x 768
Aspect Ratio16:9
Brightness500 cd/m²
Response Time5 ms
Component Video Inputs2
Composite Video Inputs1
Audio Output10W x 2
Viewing Angle178°/178°
Input PortsHDMI

Summary

SAFETY PRECAUTIONS

Leakage Current Checks

Procedures for cold and hot AC leakage current checks.

SERVICING PRECAUTIONS

ES Device Handling and Soldering

Handling sensitive devices and soldering best practices.

Component Replacement and Repair

Procedures for replacing components and repairing circuit board foil.

ADJUSTMENT INSTRUCTIONS

Calibration Procedures

Detailed steps for RF, AV, S-VIDEO, Component, and RGB calibration.

WHITE BALANCE ADJUSTMENT

TROUBLESHOOTING

No Power Symptom

Troubleshooting steps for no power issues.

Protect Mode Symptom

Troubleshooting steps for protect mode issues.

No Raster Symptom

Troubleshooting steps for no raster display issues.

OSD Display Issues

Troubleshooting steps for OSD not displaying correctly.

Screen Display Issues by Input Mode

Troubleshooting unusual display from specific input modes.

S-Video/AV, Component, RGB, HDMI Display Issues

Troubleshooting unusual display from various video inputs.

NO SOUND TROUBLESHOOTING

REPLACEMENT PARTS LIST

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