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LG 32FS4D User Manual

LG 32FS4D
43 pages
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COLOR TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : CD61A
MODEL : 32FS4D
MODEL :
32FS4D-TE
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html
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LG 32FS4D Specifications

General IconGeneral
BrandLG
Model32FS4D
CategoryTV
LanguageEnglish

Summary

SAFETY PRECAUTIONS

General Safety Guidelines

Advice on isolation transformers, component handling, and X-ray radiation safety.

AC Leakage Current Checks

Procedures for cold and hot AC leakage current checks for user safety.

CONTROL DESCRIPTIONS

Remote Control Handset Functions

Detailed description of buttons on the remote control handset and their functions.

Front and Side Panel Controls

Explanation of the buttons and connectors on the TV's front and side panels.

SPECIFICATIONS

General Specifications Overview

Detailed technical specifications including broadcasting system, channels, input voltage, and display method.

ADJUSTMENT INSTRUCTIONS

CPLD and EDID Data Download

Steps for downloading CPLD and EDID data for TV adjustments.

MICOM Download and Focus Adjustment

Instructions for MICOM download and focus adjustment procedures.

Purity and Convergence Adjustment

Steps for purity and convergence adjustments on the CRT.

Purity, Cut-Off, and Screen Voltage Adjustments

Detailed procedures for purity, cut-off, and screen voltage adjustments.

16:9 Deflection Adjustment

Steps for adjusting the 16:9 aspect ratio deflection parameters.

4:3 Deflection and Component Adjustments

Procedures for 4:3 deflection, component offset, and gain adjustments.

White Balance and Service Mode Data

Instructions for white balance adjustment and service mode data tables.

Service Mode Data (CXA2150 50Hz)

Detailed service mode data tables for CXA2150, 50Hz.

Service Mode Data (CXA2150 100Hz)

Detailed service mode data tables for CXA2150, 100Hz.

Service Mode Data (CXA2150 60Hz)

Detailed service mode data tables for CXA2150, 60Hz.

Service Mode Data (NEC & MST3000 ICs)

Service mode data for NEC uPD64015 and MST3000 ADC ICs.

TROUBLE SHOOTING

Power Troubleshooting Flowchart

Step-by-step guide to diagnose and resolve power-related issues.

Main Power Failure Diagnosis

Specific steps for diagnosing power failures in the main unit.

No Picture and CPU Block Issues

Troubleshooting steps for 'no picture' faults and CPU block problems.

Sound Block Troubleshooting

Diagnostic flowcharts for sound block issues in ATSC and NTSC modes.

PRINTED CIRCUIT BOARD LAYOUTS

Main PCB Layout

Diagram illustrating the component layout of the main printed circuit board.

Main PCB Bottom Layout

Diagram showing the component layout on the bottom side of the main PCB.

Deflection PCB Layout

Diagram illustrating the component layout of the deflection printed circuit board.

Digital and Control PCB Layouts

Diagrams showing component layouts for digital and control PCBs.

Digital PCB Bottom Layout

Diagram showing component layout on the bottom side of the digital PCB.

CPT and HRS/CS PCB Layouts

Diagrams showing component layouts for CPT and HRS/CS PCBs.

Side-A/V, Power, Teletext, LED/Pre-Amp PCB Layouts

Diagrams for Side-A/V, Power S/W, Teletext, and LED+Pre-Amp PCBs.

SYSTEM BLOCK DIAGRAM

Overall System Architecture

Diagram illustrating the interconnected modules and data flow within the TV system.

EXPLODED VIEW

TV Assembly Exploded Diagram

Visual breakdown of the TV assembly showing parts and their relative positions.

EXPLODED VIEW PARTS LIST

Component Parts List for Exploded View

Detailed list of parts with their locations, part numbers, and descriptions.

REPLACEMENT PARTS LIST

Integrated Circuit (IC) Replacement Parts

List of replacement parts, focusing on integrated circuits (ICs) with part numbers.

Transistors and Diodes Replacement Parts

List of replacement transistors and diodes with part numbers.

Capacitors and Resistors Replacement Parts (Part 1)

List of replacement capacitors and resistors with part numbers.

Capacitors and Resistors Replacement Parts (Part 2)

Further list of replacement capacitors and resistors with part numbers.

Capacitors and Resistors Replacement Parts (Part 3)

Additional list of replacement capacitors and resistors with part numbers.

Resistors, Connectors, and Switches Replacement Parts

List of replacement resistors, connectors, and switches with part numbers.

Resistors Replacement Parts (Part 4)

Final list of replacement resistors with part numbers.

Spark Gaps, Filters, and Crystals Replacement Parts

List of replacement spark gaps, filters, and crystals with part numbers.

Filters, Jacks, Miscellaneous, and Accessories

List of replacement filters, jacks, miscellaneous components, and accessories.

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