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LG 20LC1R-ZG User Manual

LG 20LC1R-ZG
35 pages
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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : CL-81
MODEL : 20LC1R-ZG
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html
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LG 20LC1R-ZG Specifications

General IconGeneral
Screen Size20 inches
Display TechnologyLCD
Resolution640 x 480
Aspect Ratio4:3
Contrast Ratio500:1
Brightness450 cd/m²
Response Time16 ms
Speakers2 x 3W
InputsComponent

Summary

SAFETY PRECAUTIONS

Important Safety Notices and General Guidance

Essential safety parts and general guidance for safe servicing.

SERVICING PRECAUTIONS

General Servicing Precautions

Precautions for unplugging, testing, chemical use, and contact cleaning.

COMPONENT REPLACEMENT PROCEDURES

ADJUSTMENT INSTRUCTIONS

SVC REMOTE CONTROL

Key Functions and Operations

Explanation of each key on the SVC remote control and its operational functions.

TROUBLESHOOTING GUIDE

No Power and No Raster Diagnosis

Flowcharts for diagnosing and resolving "No Power" and "No Raster" issues.

Raster Signal Issues and No Sound Diagnosis

Flowcharts for raster problems with signals and "No Sound" issues.

BLOCK DIAGRAM

BLOCK DIAGRAM DESCRIPTIONS

REPLACEMENT PARTS LIST

Main Board Components

Detailed list of capacitors and resistors on the main board.

Additional Capacitors and Resistors

Continuation of the replacement parts list for capacitors and resistors.

Diodes, ICs, and Transistors

Replacement parts list for diodes, integrated circuits, and transistors.

Transistors and Resistors

Continuation of the replacement parts list for transistors and resistors.

REPLACEMENT PARTS LIST

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