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LG 50PS3000 User Manual

LG 50PS3000
55 pages
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PLASMA TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : PD92A
MODEL : 50PS3000 50PS3000-ZA
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
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LG 50PS3000 Specifications

General IconGeneral
Depth83 mm
Height759.1 mm
Weight34500 g
Comb filter3D
PC Audio inYes
Pixel pitch0 mm
Product colorBlack
Audio (L/R) in1
RMS rated power20 W
Display diagonal50 \
Depth (with stand)353 mm
Display brightness1500 cd/m²
Display technologyPlasma
Picture-in-PictureNo
Width (with stand)1216.7 mm
HDMI ports quantity3
Height (with stand)818.2 mm
Weight (with stand)37000 g
SCART ports quantity2
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.
S-Video inputs quantity0
Contrast ratio (dynamic)2000000:1
Contrast ratio (typical)-
Panel mounting interface400 x 400 mm
Power consumption (sleep)0.1 W
Power consumption (standby)0.2 W
Power consumption (typical)291 W

Summary

SAFETY PRECAUTIONS

Leakage Current Hot Check Procedure

Procedure to measure AC leakage current with the unit powered on.

Leakage Current Cold Check Procedure

Procedure to measure resistance for cold leakage current checks.

ADJUSTMENT INSTRUCTION

EDID Data Download Procedure

ADC Adjustment Procedures

POWER PCB Voltage Adjustment

Va and Vs Voltage Adjustment Method

Steps to adjust Va and Vs voltages using VR potentiometers.

Serial Number Download

White Balance Adjustment

TROUBLESHOOTING GUIDE

PDP TV Repair Process Index

Index of troubleshooting steps by symptom and page.

Picture Problem Troubleshooting

No Picture/Sound OK Diagnosis

Verifies cable connections, module pattern, and voltages.

No Picture/No Sound Diagnosis

Checks module pattern, sound, LVDS cable, and input signals.

Mal-discharge/Noise/Dark Picture Diagnosis

Checks ROM, drive boards, RF cable, tuner, and Z-Sus board.

Picture Broken/Freezing Diagnosis

Checks RF signal, booster, software, tuner, and main board.

Vertical/Horizontal Bar Diagnosis

Checks module pattern, control board, X/Y boards, and main board.

Power Problem Troubleshooting

No Power (Not Turn On) Diagnosis

Checks power LED, cord, mechanical switch, and board voltages/signals.

Instant Turn Off Diagnosis

Checks power protection, Y-Sus, power LED, and power history.

Sound Problem Troubleshooting

No Sound Diagnosis

Checks speaker settings, connections, cables, and SVC bulletins.

Sound Distortion Diagnosis

Checks input signals, AVL, clear voice, and audio ICs.

General Function Problem Troubleshooting

Remote Control Error Diagnosis

Checks remote operation, battery, board voltage, and IR signal.

Local Switch Error Diagnosis

Checks switch operation, connections, and key output signal.

Power-Up Boot Fail Troubleshooting

Digital TV Video Troubleshooting

Timing Signals and Mstar Check

Checks timing signals and Mstar IC for video issues.

Analog TV Video Troubleshooting

Tuner/IC Replacement

Recommends replacing tuner or specific ICs.

Component Video Troubleshooting

RGB(D-Sub) Video Troubleshooting

AV Video Troubleshooting

Mstar IC Check

Checks the Mstar IC for AV video issues.

HDMI Video Troubleshooting

All Input Audio Troubleshooting

Digital TV / HDMI Audio Troubleshooting

Analog TV Audio Troubleshooting

Component/AV/RGB Audio Troubleshooting

Optical Audio Troubleshooting

USB Troubleshooting

No OSD Troubleshooting

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