JVC TH-S9 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-S9 Specifications

General

Type	Home Theater System
Manufacturer	JVC
Model	TH-S9
Number of Channels	5.1
Speaker Configuration	5.1
DVD Player	Yes
Tuner	FM
Supported Audio Formats	Dolby Digital, DTS
USB Port	Yes
Bluetooth	No
HDMI Output	Yes
Subwoofer	Yes
Supported Media	DVD, CD
Connectivity	Composite

Summary

Section 1: Precautions and Safety

Safety Precautions

Essential safety guidelines for product operation and repair procedures.

Warning

Important warnings regarding safety standards and repair practices.

Caution

Cautions about potential hazards like burrs during chassis assembly.

Critical Parts for Safety

Identification of safety-critical components for proper replacement.

UK Safety Precautions

Specific safety precautions applicable to UK models and service.

Preventing Static Electricity Damage

Procedures to prevent damage from static discharge to sensitive components.

Handling Traverse Unit (Optical Pickup)

Guidelines for handling sensitive optical pickup units during service.

Traverse Unit Decomposition Attention

Specific instructions for handling the traverse unit during disassembly.

Laser Product Safety Information

Critical safety information and warnings related to laser product operation.

Section 3: Disassembly Procedures

Main Body Section Disassembly

Step-by-step instructions for disassembling the main unit components.

DVD Mechanism Section Disassembly

Detailed procedures for disassembling the DVD mechanism and its parts.

Subwoofer Section Disassembly

Instructions for disassembling the subwoofer unit and its internal components.

Section 4: Adjustment and Settings

Test Mode Setting Method

How to enter and navigate the product's test mode for diagnostics.

Displaying Firmware Version

Steps to display the system's firmware version information.

Displaying Region Code

Instructions to check and display the DVD region code settings.

Initialization Method

Procedure for initializing the system after firmware upgrades or repairs.

Displaying Laser Current Value

How to check the laser current value for pickup performance assessment.

Firmware Upgrade (DVD UPGRADE)

Detailed process for upgrading the product's firmware via DVD.

System Microcomputer Upgrade (ROM CORRECTION)

Procedure for updating the system microcomputer firmware.

Compulsive NTSC Mode

Steps to force the product into NTSC mode for video compatibility.

Locking Disc Tray

Method to lock and unlock the disc tray for specific operations.

Switching Tuner AM Step (U Series Only)

How to switch the tuner's AM step frequency for different regions.

Schematic Diagrams Overview

Block Diagram

Overview of the system's functional blocks and their interconnections.

Standard Schematic Diagrams

Detailed circuit diagrams for main body and power sections.

Printed Circuit Board Layouts

Visual layout of main, power, FL, audio, and SD boards.