Sharp XL-HP700 Service Manual page 24

XL-HP700
A
PICKUP UNIT(306)
B
VCC
7 7
VREF
6 6
E
5 5
A
4 4
B
3 3
F
2 2
C
1 1
C
TR–
1 1
TR+
2 2
TR+
D
3 3
FO+
FO+
4 4
FO–
5 5
PD
TR–
6
6
VR
7 7
LD
8 8
GND
M1
E
SPINDLE
MOTOR
+
M
6 6
–
5 5
+
4 4
M2
M
SLED
3 3
–
MOTOR
2 2
PU-IN
1 1
SW4
PICKUP-IN
F
CD MOTOR PWB-D
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
CD SERVO PWB-C
+B
VCC
7 7
VREF
6 6
R6 22K
E
5 5
R5 8.2K
A
4 4
R4 8.2K
B
3 3
F R3 22K
2 2
C
1 1
CNP1
TR–
1 1
TR+
2 2
FO+
3 3
FO–
4 4
GND
5 5
PD
6
6
VR
C38
7 7
0.01
LD
8 8
CNP2
C39
100/10
MUTE
21 20 19
SP+
6 6
SP–
5 5
SL+
4 4
SL–
3 3
PUIN
2 2
GND
1 1
22 23 24
+B
CAM_M+
CAM_M–
2 3
Figure 24 SCHEMATIC DIAGRAM (9/11)
CD SIGNAL
R7 47
+B
R10
27K
TP3
C4
C55
0.001
+B
0.022
C9
100/10
+B
18 17 16 15 14 13 12 11 10
9
IC2
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
25 26 27 28 29 30 31 32 33 34 35
C41
100/10
+B
+B
4
– 24 –
+B
C5
0.047
80 79 78 77 76 75 74 73 72 71 70
C6 1
SLCO
0.1
2
SLCIST
3
EFMIN
RF
4
5
R12
C8
5
RFVDD
330 0.0027
6 RSVSS
7
FIN1 A
C50 22P(CH)
TP1
8
FIN2 B
TP2
TIN1 E
9
TIN2 F
10
C10
11 VREF
10/50
12 REF1
FE
13
C19
TEC
14
4
3.3/16
C11 TE
15
OS-CON
0.22/50
RFMON
16
C12 2
17 JITTC
100P
+B 6
18
19
C54
20
0.022
21 22 23 24 25 26 27 28 29 30 31
8 7 6 5 4 3 2 1
36 37 38 39 40 41 42
C43
100/10
+B
5
C34 100P
C33 0.022
C32 100P
C30 100P
C28 100P
C27 0.022
8 7
IC
LC786
CD SE
ADAVDD
18
19
ADAVSS
20
TDO
1
R20
10K
R46
2.7K
R49
1
R50
1
6