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LG 42PG20 User Manual

LG 42PG20
122 pages
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1
Advanced Single Scan Troubleshooting
Training Manual
42PG20 Plasma Display
42PG20 Plasma Display
720p
720p

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LG 42PG20 Specifications

General IconGeneral
BrandLG
Model42PG20
CategoryPlasma TV
LanguageEnglish

Summary

Introduction and Overview

Outline of Topics to be Discussed

Provides an overview of the manual's content and topics to be covered.

Section 1: Plasma Overview

Safety & Handling Regulations

Outlines essential safety rules and procedures for handling the plasma display.

Checking Points to be Considered

Lists key checks and considerations before performing adjustments or repairs.

Basic Troubleshooting Approach

Basic Troubleshooting Steps

Details the systematic approach to diagnosing and resolving issues.

Product Information and Specifications

42PG20 Product Information

Presents general information and product details for the 42PG20 model.

42PG20 Specifications

Lists the technical specifications and features of the 42PG20 Plasma Display.

42PG20 Remote Control Overview

Details the layout and functions of the remote control for the 42PG20 model.

Rear Input Jacks Identification

Identifies and explains the various input and output jacks on the rear of the unit.

Disassembly and Circuit Board Identification

DISASSEMBLY SECTION

Introduces the process of disassembling the plasma display for repair.

Removing the Back Cover

Provides instructions on how to safely remove the back cover of the TV.

42PG20 Circuit Board Layout

Illustrates the arrangement and identification of major circuit boards within the unit.

Circuit Board Removal Procedures

Outlines the specific steps for removing various circuit boards from the unit.

Section 2: Circuit Operation & Troubleshooting

SECTION 2: CIRCUIT OPERATION, TROUBLESHOOTING AND CIRCUIT ALIGNMENT SECTION

Covers circuit operation, troubleshooting, and alignment for key components.

PANEL LABEL EXPLANATION

Explains the meaning of labels and markings found on the plasma panel.

SWITCH MODE POWER SUPPLY Troubleshooting

Covers the operation, troubleshooting, and testing of the power supply unit.

Y-SUS PWB SECTION (Overview)

Introduces the Y-SUS board, its function, and troubleshooting procedures.

CONTROL PWB SECTION

Details the operation and troubleshooting of the control board assembly.

Signal Path and Troubleshooting Scenarios

SECTION 4: BLOCK DIAGRAMS SIGNAL PATH SECTION

Provides block diagrams and signal flow to help isolate problems.

No Picture (Sound Ok) Look for Reset

Guides on diagnosing no-picture issues when sound is present, focusing on reset signals.

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