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JVC AV-21Q3/D User Manual

JVC AV-21Q3/D
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SCHEMATIC DIAGRAMS
COLOUR TELEVISION
No.52027
Aug. 2002
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
AV-21Q3/D / AV-21Q3/AU
AV-21Q3/HK / AV-21QMG3
AV-21QMG3/-A / AV-21QMG3/U
AV-2115EE
AV-21Q3
AV-21QMG3
AV-2115EE
NOTE ON USING CIRCUIT DIAGRAMS
SEMICONDUCTOR SHAPES
BLOCK DIAGRAM
CIRCUIT DIAGRAMS
PATTERN DIAGRAMS
2-1
2-2
2-3
2-5
2-13
CD-ROM No.SML200209
BASIC CHASSIS
CG
CONTENTS
POWER

Table of Contents

Questions and Answers:

JVC AV-21Q3/D Specifications

General IconGeneral
BrandJVC
ModelAV-21Q3/D
CategoryTV
LanguageEnglish

Summary

Specifications

Safety Precautions

Features

System Block Diagram

Overview of the TV's main functional blocks and their interconnections.

Functions

Front Panel Controls and Indicators

Details the buttons and indicators on the television's front panel.

Rear Terminal Connections

Describes the input/output terminals located on the rear of the TV.

Main Difference List

Specific Service Instructions

Removing the Rear Cover

Step-by-step guide on how to safely detach the television's back cover.

Removing the Main Power Board

Instructions for detaching the main printed wiring board from the chassis.

Removing the Speaker

Procedure for safely removing the speaker assembly from the TV.

Checking the Main Power Board

Guidelines for inspecting the backside of the main power board for issues.

Wire Clamping and Cable Management

Best practices for securing wires and using cable ties during service.

Service Adjustments

Service Adjustment Preparation

Essential steps and precautions before performing any adjustments.

Required Measuring Instruments

Lists the necessary tools and equipment for service adjustments.

Key Adjustment Items

Outlines the specific adjustments to be performed on the TV.

Parts List

Standard Circuit Diagram