Jvc XLV 220 BK Service Manual

Page 1

JVB

_ i SERVICE MANUAL

COMPACT DISC PLAYER

MODEL XL-VZZOBK

Contents

filififi

DIGITAL AUDIO

Page Page

Safety Precautions .............................................. 1-2 LCD Panel Handling Precautions .......................... 1-17
Important for Laser Products Application Points for Grease .............................. 1-18
Instruction Book Timing Chart for TOC Reading ............................ 1-19
Block Diagram Maintenance of Laser Pickup .............................. 1-20
(Servo & Microcomputer Section) ........................ 1-3 Adjustment Procedures ...................................... 1-21
(Audio & Power Souce Section) .......................... 1-5 Important Waveforms ........................................ 1-23
Description of Major LSI le ................................. 1-7 Troubleshooting ................................................ 1-27
Other LSI le and Internal Schematic Diagrams ..................................... Insertion
Block Diagrams ............................................... 1-12 Connection Diagram .......................................... 1-35
Disassembly Procedures ..................................... 1-16 Parts List ........................... Separate-Volume Insertion

SCAN 20 13, Ti

No.292
May 198

Page 2

XL-V22OBK I

I

1. Main Parts Location

I Front View

E25335-OO1 E73071-001 E304204-002
Metal Cover Cap Button Assy

am GMT on: nmn

E72431-003 '
Knob

E73073«001
Power Button

«\E304210-002 E73068-001 E73070~001
_ Fitting Window Screen Cap (REPEAT")
l Top View See page 24
Power Transformer A
ENN~O44
E25334-002 Main PC Board Ass'y
Tray Ass'y

ENNeO45
Front PC Board Assy

I Rear View

EMNOOTV~201A
2P Pin Jack

See Page 24
See Page 2-4 Cord Stopper A

Chassis Base

See Page 24
Power Cord A

0M53533-001
i Jack

A : Safety Parts

2-2 (No. 2928)