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JVC EX-A5 - User Manual

JVC EX-A5
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SERVICE MANUAL
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.MB396
2005/4
COMPACT COMPONENT SYSTEM
MB39620054
EX-A5
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
Area suffix
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
EE -------- Russian Federation
(SP-EXA5) (CA-EXA5) (SP-EXA5)
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JVC EX-A5 Specifications

General IconGeneral
BrandJVC
ModelEX-A5
CategoryStereo System
LanguageEnglish

Summary

Specification

Precaution

Safety Precautions

General safety guidelines for product operation and maintenance.

Warning

Important notices regarding potential hazards or incorrect usage.

Caution

Notes on handling the product to prevent damage or minor issues.

Critical parts for safety

Identifies components essential for maintaining product safety standards.

Safety Precautions (U.K only)

Specific safety instructions tailored for users in the United Kingdom.

Preventing static electricity

Procedures to avoid electrostatic discharge that can damage components.

Handling the traverse unit (optical pickup)

Guidelines for safely handling the sensitive optical pickup unit.

Important for laser products

Safety information specific to laser components within the product.

Specific Service Instructions

Disassembly

Main body section

Procedures for disassembling the primary unit components.

Removing the top cover

Step-by-step guide to detach the main unit's top panel.

Removing the AL panel L and AL panel R

Instructions for disassembling the left and right aluminum side panels.

Removing the front panel assembly

Procedure to detach the front panel unit from the main body.

Removing the switching power unit

Steps to safely remove the internal power supply module.

Removing the main board

Guide for detaching the primary circuit board from the chassis.

DVD mechanism section

Procedures for disassembling the DVD playback mechanism.

Removing the tray assembly

Steps to detach the disc tray from the DVD mechanism.

Removing the traverse mechanism assembly

Guide for removing the laser assembly and its supporting structure.

Removing the pickup

Detailed steps for detaching the optical pickup unit.

Removing the feed motor

Instructions for removing the motor that drives the disc tray or pickup.

Adjustment

Jigs and test instruments

Lists necessary tools and test equipment for performing adjustments.

Adjustment and check method

Detailed procedures for calibrating and verifying system functions.

Troubleshooting

Schematic Diagrams

Block diagram

Overview of system components and their interconnections.

Standard schematic diagrams

Detailed electronic circuit diagrams for various sections.

Printed circuit boards

Visual layouts of component placement on circuit boards.

Parts List

Exploded view of general assembly and parts list

Visual breakdown of the unit with part identification.

Speaker assembly and parts list

List of parts and diagrams specific to the speaker units.

DVD mechanism assembly and parts list

Parts list and diagrams for the DVD playback mechanism.

Electrical parts list

Comprehensive list of electronic components used in the system.

Packing materials and accessories parts list

List of items included in the product packaging.

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