Sharp MD-E9000H Service Manual page 60

MD-E9000H
A
PICKUP UNIT
B
7
VCC
6
E
5
A
4
B
3
F
2
C
1
C
TR–
1
TR+
2
TR+
FO+
3
D
FO+
4
FO–
5
PD
TR–
6
VR
7
LD
8
E
CD MOTOR
PWB-F
M2
+
SPINDLE M
6
MOTOR
–
5
+
M1
4
M
SLED
3
MOTOR
–
F
2
SW4
1
PICKUP IN
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 37.
1
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CNS1B CNS1A CNP1
+B
7 7 7
6 6 6
5 5 5
4 4 4
3 3 3
2 2 2
1 1 1
+B
R1
22K
LD
1 1 1
VR
2 2 2
PD
3 3 3
FO+
4 4 4
TR+
5 5 5
TR–
6 6 6
FO–
7 7 7
8 8 8
CNS2B CNS2A CNP2
IC2
FOCUS/TRACKING/
SPIN/SLED DRIVER
SP+
6 6 6
SP–
5 5 5
SL+
4 4 4
SL–
3 3 3
PUIN
2 2 2
GND
1 1 1
CNS4B CNS4A CNP4
2 3
Figure 60 SCHEMATIC DIAGRAM (9/12)
CD SIGNAL
R8
47
+B
Q1: LASER DRIVER
+B
R2
C5
22K
0.001
R3 8.2K
R4 8.2K
4.7/25
8.2K
R6 8.2K
C3
0.01
R7 C58
C57
680P
680P
+B
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
– + +
+
– +
1 2 3 4 5
+B
C63
0.001
4
– 60 –
+B
R11
+B
C6 0.047
10K
80 79 78 77 76 75 74
1
R10
C7 0.1
27K 2
SLCIST
3
EFMIN
C8
RF
4
R12 C9
+B 10P
5 RFVDD
0.0027
330
C53
RSVSS
6
C54 22P
7 FIN1
8
FIN2
TIN1
9
TIN2
10
C12
VREF
11
10/16
C10 REFI
12
100/16
FE
13
TEC
14
C13
TE
15
0.22/50
4
RFMON
16
JITTC
17
C14
+B
18
100P
19
20
2
R13
21 22
15K
1
+B
3.2V
+B
C47 C45
C46
0.1
330/10
0.1
–
RST
IC2
+B
LA6548D
– REG
6 7 8 9 10 11 12 13 14 15
Q2
KTA1271 Y
+B
Q2: CONSTANT
VOLTAGE
5 6
C18
C19
C20
C2
C22
C23
C2
C16 2
+B
5
8
1 S
L
18 A
19
A
20
T
6
23 24 25 26 27
R2
1
+B
R2
47
+B
3.2