Sharp MD-MX30 Service Manual page 46

MD-MX30/MX30W
A
7
K
6
E
5
B
4
A
3
B
F
2
C
1
C
D
E
TR-
1
TR+
TR+
2
FO+
FO+
3
FO-
4
GND
5
FO-
6
PD
TR-
7
VR
F
8
ACTUATOR
LD
PICKUP UNIT(306)
G
CD MOTOR PWB-D
CNP3
CNS3
+
M1
6 6
M
SPINDLE MOTOR
-
5 5
+
4 4
M2
M
SLED MOTOR
3 3
-
2 2
SW2
PICK UP IN
1 1
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 31.
1
CD SERVO PWB-A2
7 7
6 6
TIN1
R60
5 5
68K
FIN1
R61
4 4
68K
FIN2
R62
3 3
68K
TIN2
2 2
R63
R55
R56
68K
68K 68K
1 1
BI1
CNS1
C54
47/6.3
10/16
0.022
C53 C51
0.001 47/10
R47
3.3
1.5V
(1/4)
3.3V
Q3
KTA1266 GR
C52
0.01
BI2
CNS2
TR-
1 1
TR+
2 2
FO+
3
3
FO-
4 4
C46
GND
5 5
0.022
PD
6 6
VR
7
7
LD
8 8
IC3
LA6558
FOCUS/TRACKING/SPIN/
SLED/LOADING/MOVE
DRIVER
BI3
SP+
6
SP-
5
SL+
4
SL-
3
PUIN
2
GND(D)
1
2 3
Figure 46 SCHEMATIC DIAGRAM (10/13)
R50
39
FIN1
1
1.7V
REF
FIN2
2 REF
1.7V
REF
AGCON
TIN1
3
1.7V
REF
TIN2
4 PH
1.7V
REF
1.7V
C7
REF1
5 REF
DH
VREF
C8
6
1.7V
ODRV
LDS
0V
7
LDD APC
2.7V
8
PH/BH
GND REF
0V
9
LPF
LDON
0V
REF
10
REF
ODRV
ODRV
1.7V
11
LPF
AGON
3.3V
12
REF
AGCON
REF
EFBL
1.7V
13
REF
TESO
1.7V IC1
14
TESI
1.7V
15
LA9235M
SERVO AMP.
C79
0.001
TR-
TR+
FO+
FO-
10 11 12
1 2 3 4 5 6 7 8 9
30 29 28 27 26 25 24 23 22 21 20 19
C49
0.022
+B
C50
100/10
4
– 46 –
CD SIGNAL
C11
100/10
VCC
C12
30
3.3V
0.022 C25
0.022
ODRV
C16
RFSW
29
R42 +B
1.7V
5.6P
R10
120K
R7
27K
RF-
28 6.8K
1.7V
R5
R6
39K
27K
C20
RF
R8
REF
27
0.1
0V 330
HF
0V 5
26
C17
PH
0.2V C13
25
0.0047
0.01
BH
1.5V
C42
24
68P
PUP C14 0.33/50
0V
23
RFEV
1.7V
22
FE- R3
1.7V
21
82K
FE
1.7V
20
TE-
1.7V R4
19
10K
TE
1.7V
18
C82
HFL
17 0.022
0V
(H,E)
16
0V
4
TES
+B
13 14 15
18 17 16
C91
0.33/50
5
7
C23
R12
0.047 (ML)
680
R79
R1
3.9M
68
C24
2.2/50
C21 C
0.1 0.
R11 P
C22
100P 12K
R80 R14
1M 1.2K
R15 S
1.0V
4.7K
1.7V
1.7V
C27
0.022
PH(R
1.7V
1.7V
1.7V
AD
C
0
C28
220/6.3
AD
C41
P
100/10
B
R44
13
1 K
LD_M+
LD_M-
C92
0.33/50
6