Service Manuals, User Guides, Schematic Diagrams or docs for : Casio Audio VZ2000 vz2000
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VZ-2000
Model: China
PORTABLE CD PLAYER
INDEX
CONTENTS
Disassembly Instructions ............................................................................................................. 1
Block Diagrams .............................................................................................................................. 4
V-CD ............................................................................................................................................. 4
Front, VR, Jack ............................................................................................................................. 5
AMP, PS, RF ................................................................................................................................ 6
CD ................................................................................................................................................. 7
CD Adjustments ............................................................................................................................. 8
CD Troubleshooting .................................................................................................................... 10
Video CD Troubleshooting ......................................................................................................... 22
PCB Views .................................................................................................................................... 26
Display PCB ................................................................................................................................ 26
Wiring Diagram ............................................................................................................................ 27
IC Lead Identification and Internal Diagrams ........................................................................... 28
Schematic Diagrams .................................................................................................................... 47
CD Changer, CD Pickup/Mecha ................................................................................................. 47
AMP ............................................................................................................................................ 48
PS ............................................................................................................................................... 49
CD ............................................................................................................................................... 50
V-CD ........................................................................................................................................... 51
Front A ........................................................................................................................................ 52
Front B (Jack, VR, RF) ............................................................................................................... 53
Parts List ....................................................................................................................................... 54
Exploded Views ........................................................................................................................... 60
DISASSEMBLY INSTRUCTIONS
1. Remove eleven screws A holding the Metal case
metal case.
Figure 1
Rear panel
Cord busing
2. Remove six screws B and pullout the
cord bushing from the rear panel.
3. Insert a finger in the hole of bottom
side, turn the gear to direction of arrow
a . (Unlock the tray panel and pull the Figure 2
tray panel)
4. Pull the tray panel to direction of arrow
b , pull the three tabs to arrow side.
Tray panel a
Tabs Gear
b
Figure 3
1
5. Remove two screws I holdeing the front
foot. Remove eight screws C holdeing
the front case assembly.
Disconnect all connectors from/to front
case assembly.
C
C
C C
Top View I
CD mecha and amplifier
Front case assembly
Figure 4
5. Remove seven screws D holdeing the
CD mechanism assembly.
Remove bottom screw D at first to
disassemble easy.
D D
Amplifier unit
D D
D D
CD mechanism assembly
Bottom chassis assembly
Figure 5
2
7. Remove four screws E holding the amplifier unit.
8. Remove four screws F holding the PS unit.
9. Remove six screws H holding the CD BKT L and R.
10. Remove screw G holding the CD unit.
CD mechanism
CD mechanism
assembly
PS unit
CD BKT R
CD BKT L
Amplifier unit
Figure 6
3
BLOCK DIAGRAMS
V-CD
To
CD Block
8 CDC2
7 CDDT
6 CDBC IC603
5 CDLR (Buffer)
4 CDEM GND IC601
3 VSS (Digital) (Buffer)
16.93M
2 C16M
1 VDD +5V
(Digital)
(for Video)
CN601
IC604 IC609
X601
+3.3V
VDD3 +3.3V (Buffer)
ALCK
IC601
16.93M
X602
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