JVC KD-DV4304UI - User Manual

SERVICE MANUAL
COPYRIGHT © 2007 Victor Company of Japan, Limited
No.MA308
2007/3
DVD/CD RECEIVER
MA30820073SERVICE MANUAL
KD-ADV5380J,KD-DV5300J,KD-DV5301E,KD-DV5301EU,
KD-DV5302E,KD-DV5302EU,KD-DV5304UI,KD-DV5305U,
KD-DV5305UN,KD-DV5305UT,KD-DV5305A,KD-DV5306U,
KD-DV5306UN,KD-DV5306UT,KD-DV5306A,KD-DV5307EE,
KD-DV5308EE,KD-DV5388UF,KD-DV4304UI,KD-DV4305U,
KD-DV4305UN,KD-DV4305UT,KD-DV4305A,KD-DV4306U,
KD-DV4306UN,KD-DV4306UT,KD-DV4306A,KD-DV4388UF,
KD-DVH426UN
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-40
KD-ADV5380/KD-DV5300/KD-DV5306
KD-DV5305/KD-DV5304/KD-DV5303
KD-DV5308/KD-DV5307/KD-DV5302
KD-DV5301/KD-DV4306/KD-DV4305
KD-DV4304/KD-DV4303
only for
KD-DV5308
KD-DV5307
KD-DV5302
KD-DV5301
KD-DVH426
only for
KD-ADV5380
KD-DV5300
except
KD-DVH426

JVC KD-DV4304UI Specifications

General

Type	DVD receiver
Max Power Output	50W x 4
RMS Power Output	22W x 4
Tuner	AM/FM
CD Playback	Yes
DVD Playback	Yes
USB Port	Yes
Bluetooth	No
Aux Input	Yes
Display	LCD
Supported Digital Audio Standards	MP3, WMA
Equalizer	Yes
Remote Control	Yes
Channels	4
Media Type	CD, DVD, USB
Source	Radio, CD, DVD, USB, Aux
Supported Digital Video Standards	DivX

Summary

Section 1: Precautionary Measures

1.1 Safety Precautions

General safety advice and warnings for handling the device, including chassis burrs and laser beam precautions.

1.2 Preventing Static Electricity

Measures to prevent damage from static electricity to the optical pickup, including grounding procedures.

1.5 Important Information for Laser Products

Crucial information and warnings regarding laser radiation exposure and safety switch functions.

Section 3: Disassembly Procedures

3.1 Main Body Disassembly

Procedures for disassembling the main unit, covering bottom chassis, heat sink, and front chassis.

3.2 DVD Mechanism Assembly (Except KD-DVH426)

3.3 DVD Mechanism Assembly (For KD-DVH426)

Section 4: Adjustment Procedures

4.4 Jitter Adjustment Method and Table

Method for adjusting jitter values and a table for value conversion.

4.6 Operation Procedures

4.7 DVD Unit Check Mode

Section 5: Troubleshooting Guide

Parts List Information

Exploded Views and Parts Lists

Visual breakdown of general assembly and associated parts for various models.

Electrical Parts Lists by Board Type

List of electrical components for the main, switch, and front end boards across different models.

Schematic Diagrams

Overall Block Diagram

High-level overview of the unit's functional blocks and connections.

Main Amplifier & System Control Schematics

Detailed schematic of the main amplifier and system control components for various regions.

Main Section Schematics (Europe)

Main Section Schematics (Asia)

Main Section Schematics (KD-DVH426)

DVD Section Schematics (Except KD-DVH426)

DVD Section Schematics (For KD-DVH426)