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JVC TH-D7B

JVC TH-D7B
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SERVICE MANUAL
COPYRIGHT © 2007 Victor Company of Japan, Limited
No.MB638
2007/9
DVD DIGITAL CINEMA SYSTEM
MB63820079SERVICE MANUAL
TH-D7B, TH-D7E, TH-D7EN,
TH-D7EV, TH-D7A, TH-D7US,
TH-D7UX, TH-D7UG
COPYRIGHT © 2007 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29
XV-THD7
B,E,EN,EV only
SP-THD7W
SP-THD7F
SP-THD7C
SP-THD7S
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JVC TH-D7B Specifications

General IconGeneral
TypeHome Theater System
Number of Channels5.1
BluetoothYes
USB PlaybackYes
HDMI Output1
SubwooferYes
FM TunerYes

Summary

PRECAUTION

1.1 General Safety Precautions

General safety precautions and guidelines for servicing the equipment.

1.2 Specific Safety Notes

Important warnings, cautions, and identification of critical safety components.

1.3 UK Specific Safety

Specific safety precautions applicable only to the UK version of the product.

1.4 Component Handling Safety

Procedures for safely handling components like optical pickup and traverse unit.

1.5 Laser Product Safety

Important safety information and warnings related to the product's laser components.

DISASSEMBLY

3.1.1 Metal Cover Removal

Instructions for removing the outer metal cover of the main unit.

3.1.2 Tuner Pack Removal

Instructions for removing the tuner pack assembly.

3.1.3 Rear Panel Removal (European)

Procedure to remove the rear panel for European versions.

3.1.4 Rear Panel Removal (Asian)

Procedure to remove the rear panel for Asian versions.

3.1.5, 3.1.6, 3.1.7 Board and Mechanism Removal

Instructions for removing key boards like AMP, HDMI, and the DVD mechanism assembly.

3.1.10 Power Board Removal

Instructions for removing the power board assembly.

3.1.12 Main Board Removal

Instructions for removing the main board assembly.

3.2.1 DVD Traverse Mechanism Removal

Instructions for removing the traverse mechanism from the DVD assembly.

3.2.2 Pickup Assembly Removal

Instructions for removing the pickup assembly from the DVD mechanism.

ADJUSTMENT

4.1 DVD Section Service Attention

Important considerations and notes for servicing the DVD section.

4.2 DVD Test Mode Operations

Detailed steps for entering and operating the DVD test mode for diagnostics.

4.3 Key Special Mode

Special operational modes activated by specific key presses on the unit.

4.4 Remote Control Special Modes

Special operational modes activated by specific key combinations on the remote controller.

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