JVC TH-S8 User Manual

SERVICE MANUAL
COPYRIGHT © 2004 Victor Company of Japan, Limited
No.MB236
2004/6
DVD DIGITAL CINEMA SYSTEM
MB23620046
TH-S9,TH-S8,TH-S7
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
Area suffix
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
TH-S9
Area suffix
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
TH-S8
Area suffix
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
TH-S7
TH-S9
SD card
TH-S8
TH-S7
XV-THS7
SP-PWS7
SP-THS7F SP-TH7S
SP-THS9C
XV-THS9
SP-PWS9
SP-THS9F SP-THS9S
SP-THS9C
XV-THS8
SP-PWS8
SP-THS9F SP-THS9S
SP-THS9C

JVC TH-S8 Specifications

General

Type	Home Theater System
Number of Channels	5.1
Speaker Configuration	5.1 channel
Supported Audio Formats	Dolby Digital, DTS
DVD Player	Yes
USB Port	Yes
HDMI Output	Yes
Bluetooth	No
Radio	FM
Remote Control	Yes

Summary

Precautions and Safety

Safety Precautions

General safety guidelines for handling electrical equipment and preventing hazards during service.

Warnings and Cautions

Important warnings regarding safety standards, component replacement, and potential hazards.

Static Electricity Prevention

Procedures and precautions to prevent damage to electronic components from static discharge.

Laser Product Safety

Crucial safety information and warnings related to laser radiation from the product.

Disassembly Procedures

Main Body Disassembly

Step-by-step instructions for disassembling the main unit, including cover and panel removal.

DVD Mechanism Disassembly

Procedures for removing and disassembling the DVD drive mechanism and its components.

Subwoofer Disassembly

Instructions for disassembling the subwoofer unit, including amplifier and speaker components.

Adjustment and Special Modes

Test Mode and Firmware Operations

Guides on entering test mode, displaying firmware version, and performing firmware upgrades.

Initialization and Laser Adjustment

Procedures for unit initialization and checking laser current values for calibration.

Special Modes and Tuning

Instructions for activating NTSC mode, locking the disc tray, and switching tuner AM steps.

Schematic Diagrams

Block Diagrams

Overview of the main system components and their interconnections presented in block form.

Standard Schematic Diagrams

Detailed circuit diagrams illustrating the electrical functions of various sections of the device.

Printed Circuit Board Layouts

Visual representations of component placement and routing on the main printed circuit boards.

Parts Lists

General Assembly Parts

Exploded views and lists of general assembly parts for the main unit and related accessories.

Subwoofer Assembly Parts

Exploded views and parts list specific to the subwoofer unit's components.

DVD Mechanism and Loading Parts

Lists and diagrams for DVD mechanism and loading base assemblies for different models.

Electrical Parts Lists

Comprehensive lists of electronic components (resistors, capacitors, ICs, etc.) used in the main board and other circuits.