Sharp CD-BA250H Service Manual page 22

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CD-BA250H/CD-BA2600H
PICKUP UNIT
A
VCC
VREF
B
E
A
B
F
C
C
TR–
TR+
TR+
FO+
FO+
FO–
D
FO–
PD
TR–
VR
LD
GND
CD MOTOR PWB-F
E
M1
+
SPINDLE
M
SPIN
MOTOR
M2
+
SLED
M
SLIDE
MOTOR
SW4
PU-IN
PICKUP IN
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
1
All manuals and user guides at all-guides.com
CD SERVO PWB-C
VCC
7
7
7
7
VREF
R6
6
6
6
6
33K
E
5
5
5
5
R5
A
4
4
4
4
12K
B
R4
3
3
3
3
12K
F
R3
2
2
2
2
33K
C
1
1
1
1
CNP1
TR–
1
1
1
1
TR+
2
2
2
2
FO+
3
3
3
3
FO–
4
4
4
4
GND
5
5
5
5
PD
6
6
6
6
VR
7
7
7
7
LD
8
8
8
8
SP+
1
1
6
6
SP–
2
2
5
5
SL+
3
3
4
4
SL–
4
4
3
3
PUIN
2
5
5
2
GND
6
6
1
1
2
3
Figure 22 SCHEMATIC DIAGRAM (1/9)
CD SIGNAL
LASER
DRIVER
C38
0.01
C39
100/10
MUTE
21
20
19
18
17
16
15
14
FOCUS/TRACKING/
SPIN/SLED DRIVER
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
4
– 22 –
R7
47
C5
0.047(ML)
R10
27K
C6
0.1
R12
330
TP3
C7
100P
C8
0.0047
TP1
C50
22P
TP2
(CH)
10/50
C9
100/10
C11
0.22/50
4
C12
100P
9
8
7
5
13
12
11
10
6
4
IC2
M63001FP
C41
100/10
5
6
1
2
3
4
5
6
7
8
9
10
C10
11
12
13
14
15
16
17
18
19
20
2
1
3
2
L

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