JVC AV-21W83 User Manual (English)

RM-C1012-1H

[AV-21W93B

/BK

]

RM-C1011-1H

[AV-21W93

/BK

]

MUTING

OFF

TIMER

ECO

SENSOR

PICTURE

MODE

CHANNEL

SCAN

SYSTEM

COLOUR SOUND

MENU

CHANNEL

RETURN+

POWER

DISPLAY

TV/VIDEO

VOLUME

123

456

789

0

-

/

--

CINEMA

SURROUND



1/2



TV

RM-C1016

RM-C1016-1H

[AV-21W83

/BK

]

MUTING

OFF

TIMER

ECO

SENSOR

PICTURE

MODE

CHANNEL

SCAN

SYSTEM

COLOUR SOUND

MENU

CHANNEL

RETURN+

POWER

DISPLAY

TV/VIDEO

VOLUME

123

456

789

0

-

/

--

CINEMA

SURROUND



1/2



TV

RM-C1011

MUTING BASS

OFF

TIMER

ECO

SENSOR

PICTURE

MODE

CHANNEL

SCAN

SYSTEM

COLOUR SOUND

MENU

CHANNEL

RETURN+

POWER

DISPLAY

TV/VIDEO

VOLUME

123

456

789

0

-

/

--

CINEMA

SURROUND



1/2



TV

RM-C1012

SERVICE MANUAL

AV-21W83

AV-21W93

AV-21W93B

COLOUR TELEVISION

BASIC CHASSIS

CH

No. 52016

Sep. 2002

AV-21W83 /BK

AV-21W93 /BK

AV-21W93B /BK

CONTENTS

a SPECIFICATIONS ....................................................................................................................................2

a OPERATING INSTRUCTIONS (APPENDIX)

a SAFETY PRECAUTIONS .........................................................................................................................3

a FEATURES ..............................................................................................................................................4

a FUNCTIONS .............................................................................................................................................5

a SPECIFIC SERVICE INSTRUCTIONS ....................................................................................................6

a SERVICE ADJUSTMENTS ....................................................................................................................14

a STANDARD CIRCUIT DIAGRAM (APPENDIX) .................................................................................. 2-1

a PARTS LIST ...........................................................................................................................................39

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Brand	JVC
Model	AV-21W83
Category	TV
Language	English

JVC AV-21W83 User Manual

Table of Contents

JVC AV-21W83 Specifications

Summary

JVC Service Manual

Note on Using Circuit Diagrams

Circuit Diagram Safety and Reference

Semiconductor Shapes

Block Diagram

Circuit Diagrams

Pattern Diagrams

Block Diagram

Functions

Front, Rear Panel, and Remote Controls

Specific Service Instructions

Disassembly and Component Removal

Main PWB Checks and Wire Management

Specifications

Safety Precautions

Features

Functions Overview

Front Panel Controls

Rear Panel Connectors

Remote Control Units

CRT Removal and Anode Cap Coating

CRT Removal Procedure

CRT Anode Cap Silicon Grease Coating

Memory IC Replacement

Memory IC Identification and Replacement

System Constant Set Settings

User Setting Values

Service Menu Setting Items

Service Adjustments

Adjustment Preparation and Requirements

Adjustment Locations

Basic Operation in Service Menu

Service Menu Operation and Setting

Adjustments

Power, Focus, and IF Circuit Adjustments

VC (Video/Chroma) Circuit Adjustments

VC Circuit Adjustment Procedure

Video Signal Adjustments

White Balance, Sub Bright, and Sub Contrast

Colour Adjustments

Sub Colour-I and Sub Colour-II

Deflection Circuit Adjustments

Vertical Adjustments (Slope, Height, Position)

Horizontal Position Adjustment

Vertical Height and Zoom Adjustments

Horizontal Width Adjustment

Side Pin Adjustment

Trapezium Adjustment

V.S-Curve Adjustment

Corner Adjustment

H. Parallel Adjustment

H. Bow Adjustment

Purity Adjustment

Convergence Adjustments

Static Convergence Adjustment

Dynamic Convergence Adjustment

Self-Check Functions

Self-Check Items and Detection

Self-Check Indicating Function

Parts List

Printed Wiring Board Parts List (AV-21W83/BK)

Printed Wiring Board Parts List (AV-21W93/BK)

Printed Wiring Board Parts List (AV-21W93B/BK)

Exploded View Parts List III (AV-21W93B/BK)

Remote Control Unit Parts List (RM-C1011-1H)

Printed Wiring Board Parts List (AV-21W93B/BK) - Resistors

Printed Wiring Board Parts List (AV-21W93B/BK) - Capacitors

Printed Wiring Board Parts List (AV-21W93B/BK) - Coils

Printed Wiring Board Parts List (AV-21W93B/BK) - Diodes

Printed Wiring Board Parts List (AV-21W93B/BK) - Transformers

Printed Wiring Board Parts List (AV-21W93B/BK) - Transistors

Printed Wiring Board Parts List (AV-21W93B/BK) - Others

Remote Control Unit Parts List (RM-C1012-1H)

Packing and Packing Parts List

Packing Parts List

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