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AV-20820
Service manual
JVC AV-20820 Service Manual
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Table Of Contents
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Contents
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Table of Contents
Contents
Specifications
Safety Precautions
Isolation Check
Leakage Current Check
High Voltage Hold down Circuit Check
Features
Difference List of Main Parts
Operating Instructions
Front Panel Diagram
Rear Panel Diagram
Remote Control
Specific Service Instructions
Disassembly
Removing the Rear Cover
Removing the Main PW Board
Memory IC Replacement
Memory IC
Power off
Power on
System Constant Setting
User Setting Values
Service Adjustments
Adjustment Preparation
Testers & Tools
Adjustment Items
Basic Operation of Service Menu
Service Menu Items
Basic Operations of the Service Menu
How to Enter the Service Menu
Setting Method
Releasing Service Menu
Initial Setting Value of Service Menu
Picture Mode
Game Mode
Sound Mode
Low Light Mode
High Light Mode
RF AFC CHK Mode
Adjustments
B1 Voltage Check
Adjustment of Video/Def. Circuit
White Balance Adjustment
Adjustment of MTS Circuit
Sub Bright Adjustment
Sub Contrast Adjustment
Sub Color Adjustment
MTS Sap VCO Adjustment
MTS Filter Check
MTS Separation Adjustment
Purity, Convergence
Purity Adjustment
Static Convergence Adjustment
Dynamic Convergence Adjustment
How to Check the High Voltage Hold down Circuit
High Voltage Hold down Circuit
Checking of the High Voltage Hold down Circuit
Self Check Functions
Self Check Indicating Function
Contents of Self Check
Replacement of Chip Component
Soldering Iron
Replacement Steps
How to Remove Chip Parts
Standard Circuit Diagram
Note on Using Circuit Diagrams
Specified Voltage and Waveform Values
Indications on the Circuit Diagram
Semiconductor Shapes
Transistors
Channel Chart
Main Parts Location and Alignment Location
Main PWB Ass'y
CRT Socket PWB Ass'y
Wiring List
Block Diagram
Circuit Diagrams and PWB Patterns
Main PWB, CRT Socket PWB Circuit Diagrams
Main PWB, CRT Socket PWB Patterns
Remote Control Transmitter Circuit Diagram
Key Function
Parts List
Caution
Abbreviations
Tolerances
How to Express Parts Numbers of Standard Parts
Resistor
Capacitor
Exploded View Parts List
Exploded View
Printed Wiring Board Parts List
Packing
Packing Parts List
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