JVC UX-G300B User Manual

SERVICE MANUAL
COPYRIGHT © 2008 Victor Company of Japan, Limited
No.MB665<Rev.004>
2008/9
MICRO COMPONENT SYSTEM
MB665<Rev.004>20089SERVICE MANUAL
UX-G300B, UX-G300E, UX-G300EN, UX-G300EV,
UX-G303E, UX-G303EN, UX-G303EV, UX-G305E,
UX-G305EN, UX-G305EV, UX-G300A, UX-G300US,
UX-G300UF, UX-G300UT, UX-G300UW,
UX-G300UG, UX-G300UN, UX-G305UT
COPYRIGHT © 2008 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
UX-G300EV
UX-G303EV
UX-G305EV
SP-UXG300
SP-UXG300
CA-UXG300

JVC UX-G300B Specifications

General

Speaker Configuration	2.0
CD Player	Yes
Radio Tuner	Yes
FM Tuner	Yes
AM Tuner	Yes
Bluetooth	Yes
USB Port	Yes
Remote Control	Yes
Playable Media	CD, CD-R, CD-RW
Audio Input	3.5mm Aux In
Power Output	30W (15W x 2)

Summary

Safety Precautions and Warnings

General Safety Precautions

General safety rules for product modification and component replacement.

Safety Standards and Cautions

Equipment meets international safety standards; repairer's responsibility.

Static Electricity Prevention

Measures to prevent ESD damage to optical pickup.

Service Instructions and Disassembly Procedures

Specific Service Instructions

Procedures for specific service tasks, including CD mechanism updates.

Main Body Disassembly

CD Mechanism Removal

CD Mechanism Component Disassembly

Pickup Removal

System Adjustment Procedures

Function Specification and Error Handling

Special Modes

Troubleshooting Information

Manual Scope

Note that this service manual does not describe troubleshooting procedures.

Technical Diagrams and Schematics

Block Diagrams

Standard Schematic Diagrams

Detailed circuit schematics for various sections.