JVC XL-V220BK Service Manual

Contents
Safety Precautions ...........ccccsceceeceseseeceeeeeeeeeeeeeees
important for Laser Products
Instruction Book
Block Diagram
(Servo & Microcomputer Section) ....................064
(Audio & Power Souce Section) ................0000c000
Description of Major LST ICS ...............ccececceeeeeeeees
Other LSI ICs and Internal
Block Diagrams ....... ae
Disassembly Procedures .............csscssseececceeceseeeees
OISIE
DIGITAL AUDIO
Page
LCD Panel Handling Precautions ................c.0.00000: 1-17
Application Points for Grease .............scccceeereeeeeees 1-18
Timing Chart for TOC Reading ....................c.000002 1-19
Maintenance of Laser Pickup ...............cceceeueeeeeees 1-20
Adjustment Procedures .............scecccseseeeeeeeecentees 1-21
Important Waveforms. ............c.cccccceceseneceeeseeeatees 1-23
Troubleshooting ............cccccecenceeeeceeeeereeateceuseatens 1-27
Schematic Diagrams ...............ccccccccececeeeeseeees Insertion
Connection Diagram ..............ccececeeeeeeetececeeseeeeets 1-35
Parts List .......e.ccceeeeeece esa eees Separate-Volume Insertion
No. 29:28
May 1986