EasyManua.ls Logo

LG 21FS7RG User Manual

LG 21FS7RG
31 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
COLOR TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : MC-059C
MODEL : 21FS7RG/RE/RGG
21FS7RG/RE/RGG-TS
website:http://biz.LGservice.com
Nov., 2007
Printed in ChinaP/NO : 38289S0050K
Internal Use Only
Question and Answer IconNeed help?

Do you have a question about the LG 21FS7RG and is the answer not in the manual?

LG 21FS7RG Specifications

General IconGeneral
BrandLG
Model21FS7RG
CategoryTV
LanguageEnglish

Summary

COLOR TV SERVICE MANUAL

SAFETY PRECAUTIONS

General Servicing Guidance

General advice for servicing TV receivers, including handling precautions.

X-RAY Radiation Warning

Warning about X-ray radiation from the TV receiver and its protection.

AC Leakage Current Checks

Procedures for cold and hot checks to ensure user safety.

DESCRIPTION OF CONTROLS

Remote Control Handset Functions

Details the functions of buttons on the remote control handset.

Remote Control Button Operations

Explains operations of Mute, TV/AV, language, list, sleep, and other buttons.

SPECIFICATIONS

Scope of Application

Defines the application of the specification to MC-059C Chassis.

Test Requirements and General Specs

Outlines test conditions and lists general technical specifications.

Features and Functions Overview

Key Features and Settings

Details AV input/output, picture, sound, timer, and special functions.

ADJUSTMENT PROCEDURES

Adjustment Scope and Notes

Covers application scope, notes, and environmental conditions for adjustments.

AGC and Screen Voltage Adjustment

Procedures for adjusting AGC and manually setting screen voltage.

Purity and Convergence Adjustment

Covers procedures for adjusting purity and convergence using magnets.

Static and Dynamic Convergence Adjustment

Details steps for static and dynamic convergence adjustment.

White Balance and Focus Adjustment

Procedures for adjusting white balance and focus voltage.

Brightness, Tint, and Other Adjustments

Covers sub-brightness, sub-tint, and other minor adjustments.

Deflection Setting Data Adjustment

Details automatic and manual adjustment for deflection data.

IIC Bus and EEPROM Data Tables

Refers to tables for IIC bus and EEPROM option settings.

Inspection Items

Sound, Input, and Channel Operation Checks

Procedures for inspecting multiplex sound, A/V input, and channel operation.

HOLD DOWN CHECK (X-RAY Protect)

Details the procedure for checking the X-RAY Protect circuit.

PRINTED CIRCUIT BOARD

TROUBLE SHOOTING

Functional Area Troubleshooting

Covers troubleshooting for TV, TU/IF, Video, Sound, R/C, Key, and Power Supply sections.

SMPS Section Troubleshooting

Details troubleshooting for both the primary and secondary sections of the SMPS.

VERTICAL AND HORIZONTAL SECTIONS

SOUND PROCESSING AND CPT DRIVE SECTIONS

BLOCK DIAGRAM

EXPLODED VIEW

EXPLODED VIEW PARTS LIST

REPLACEMENT PARTS LIST

Related product manuals