JVC TH-A85 Series User Manual

SERVICE MANUAL
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
No.MB135
2004/1
DVD DIGITAL CINEMA SYSTEM
MB13520041
TH-A85
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
UF -------------- China
Area Suffix

JVC TH-A85 Series Specifications

General

Audio Channels	5.1
Total Power Output	1000W
HDMI Outputs	1
Audio Formats Supported	Dolby Digital, DTS
Type	Home Theater System
DVD player	Yes

Summary

Product Specifications

Center Unit Specifications

Technical details for the main audio/video unit.

Subwoofer Specifications

Technical details for the subwoofer unit.

Speaker Specifications

Technical details for the satellite speakers.

Service Manual Sections

Precaution

Safety and handling guidelines before servicing the unit.

Specific Service Instructions

Detailed instructions for specific repair procedures.

Disassembly

Step-by-step guide for taking the unit apart.

Adjustment

Procedures for calibrating or adjusting unit settings.

Troubleshooting

Guidance for diagnosing and fixing common problems.

Schematic Diagrams

Block Diagrams

High-level overview of system components and their interconnections.

Standard Schematic Diagrams

Detailed circuit diagrams for various unit sections.

Printed Circuit Boards

Layout diagrams showing component placement on PCBs.

Parts List

General Assembly Parts

List of parts for the main unit's construction.

Speaker Assembly Parts

Parts lists for Subwoofer, Front, and Center speaker assemblies.

DVD Mechanism Parts

List of components for the DVD player mechanism.

DVD Loading Base Parts

List of parts for the DVD disc loading and transport system.

Electrical Parts List

Comprehensive list of electronic components used across various boards.

Packing and Accessories

List of packaging materials and included accessories.