Sharp CD-BK250W - Page 28

CD-BK250W/CD-BK2600W/CD-BK270W
– 28 –
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
Figure 28 SCHEMATIC DIAGRAM (9/11)
CD SIGNAL
CD MOTOR PWB-F
CD SERVO PWB-C
4
1
9
101112131415161718192021
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
8
7
6
5
4321
9
10
11
12
13
14
15
16
17
18
19
20
212
2
807
9
8
7
6
5
4
3
2
1
TP3
TP2
TP1
LD_
M
LD_M–
VCC4
M–
M+
VCC3
SPO VCC2
SLDO
VCC
STANDBY
VREF
MUTE
TO
FD
SP–
SL– SL+
SP+
TR– TR+ FO+ FO– GND
GND
GND
FO–
FO–
LD
VR
PD
FO+
TR+
TR–
C
F
B
A
E
GND
PUIN
SL+
SL–
SP–
SP+
VREF
VCC
PICKUP UNIT
TR–
LDD
LDS
S
PD
O
FDO
TDO
REFI
VRE
F
ADAV
S
ADAV
JITT
C
RFM
O
TE
TEC
FE
TIN2
TIN1
FIN2
FIN1
RSV
S
RFV
D
RF
EFM
I
SLCI
SLCO
TR–
TR+
TR+
FO+
FO+
FO–
PD
VR
LD
F
C
B
A
E
VCC
VREF
+
+
–
–
1
2
3
4
5
6
1
2
3
4
5
6
5
3
6
2
7
1
4
5
3
6
2
7
1
4
5
3
6
2
7
1
4
5
3
6
2
7
1
4
4
1
3
6
5
2
4
1
3
6
5
2
M
M
4
8
5
2
1
7
3
6
4
8
5
2
1
7
3
6
4
8
5
2
1
7
3
6
4
8
5
2
1
7
3
6
+
+
–
–
+
–
+
+
–
–
+
–
+
–
+
–
2
LASER DRIVER
CNP1
CNS1A CNS1B
R6
33K
R5
12K
R4
12K
R3
33K
R1
12K
R2
12K
C1
47/25
C2
0.01
CNP2
CNS2A CNS2B
C38
0.01
C39
100/10
R44
12K
C41
100/10
CNP3
CNS3A CNS3B
R13
1K
R14
1K
R15
1K
C12
100P
C11
0.22/50
C10
10/50
C9
100/10
C50
22P
(CH)
R12
330
R65
3.3K
C7
100P
R10
27K
C5
0.047(ML)
R11
10K
R9
3.3
Q1
KTA1266 GR
C4
0.001
C49
47/25
C3
47/25
R42
1.2K
C8
0.0047
C6
0.1
IC2
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
C40
220/6.3
R7
47
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
SW4
PICKUP IN