Block Diagram - Sharp CD-XP120W Service Manual

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CD-XP120W
SW1
OPEN/
CLOSE
SW2
DISC
SW3
UP
+
M
M3
T/T UP/DOWN
LOADING MOTOR
+
M
M1
CD LOADING
MOTOR
+
NM802
M
SPINDLE
MOTOR
+
NM801
M
SLED
MOTOR
SW4
PICKUP IN
FO+
TR+
TR–
FO–
ACTUATOR
+
C
+
F
+
B
+
A
+
E
GND
MON
LD
VCC
PICKUP UNIT
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M_GND
LOAD SW
DISC_SW
UP_SW
M+
M–
ROTATE+
ROTATE-
SP+
SP–
SL+
SL–
PU-IN
GND
TR–
TR+
FO+
FO–
GND
PD
VR
LD
C
F
B
A
E
1/2V
+5V
LASER
DRIVER
Figure 14 BLOCK DIAGRAM (1/4)
– 14 –
Q405
Q402
Q403
D402
Q404
1 2 3 4 5 6 7 8 9 10 11 12 13 14
IC404
28
27
26
25
24
23
22
21
20
19
18
17
16
15
IC404
MM1469XH
FOCUS/TRACKING/SPIN/SLED DRIVER
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
IC402
AN22000A
HEAD AMP.
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
Q401
LOAD+
LOAD–
ROTATE
Q406
Q409
Q408
Q407
Q410
D403
O/C SW
LOAD_SW
DISC_SW
PICK_IN

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