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LG 42PN4500-SA User Manual

LG 42PN4500-SA
34 pages
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Internal Use Only
Printed in KoreaP/NO : MFL67648804 (1301-REV00)
CHASSIS : PB31A
MODEL : 42PN4500 42PN4500-SA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
PLASMA TV
SERVICE MANUAL
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LG 42PN4500-SA Specifications

General IconGeneral
Screen Size42 inches
Display TypePlasma
Resolution1024 x 768
Aspect Ratio16:9
Contrast Ratio3, 000, 000:1
Refresh Rate600Hz
HDMI Ports2
USB Ports1
InputsComponent, Composite, HDMI, USB

Summary

SAFETY PRECAUTIONS

IMPORTANT SAFETY NOTICE

Emphasizes special safety-related characteristics of parts and the need for original components.

General Guidance

Advises on using isolation transformers, replacing fuses, and keeping wires away from hazardous parts.

ADJUSTMENT INSTRUCTION

PCB Assembly Adjustment

Lists adjustments for PCB assembly, such as 480i Comp1 and 1080p Comp1/RGB.

Set Assembly Adjustment

Lists adjustments for set assembly, including EDID, Color Temperature, and RS-232C control.

FACTORY ADJUSTMENT

Auto Adjust Component 480i/1080p RGB 1080p

Details the process for auto-adjusting component and RGB signals for image quality.

Use Internal ADC (S7R)

Explains how to use the internal ADC for calibration and EDID/DDC data download.

GND AND ESD TESTING

POWER PCB Ass'y Voltage Adjustment

Details the method for adjusting Vs and Va voltages on the power PCB.

BLOCK DIAGRAM

EXPLODED VIEW

POWER ON/OFF SEQUENCE (AC)

POWER ON/OFF SEQUENCE (DC)

SCREEN ON/OFF SEQUENCE

POWER BLOCK

L13 FRONT END (ATSC/ISDB-T/DVB-T)

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