Schematic Diagram / Wiring Side Of P.w.board - Sharp CD-XP305V Service Manual

CD-XP305V
A
PICKUP UNIT
Vcc
7
Vref
6
E
5
A
4
B
B
3
F
2
C
1
C
D
E
1
TR+
2
FO+
3
4
5
FO–
6
TR–
7
F
GND
ACTUATOR 8
G
CD MOTOR
PWB-D
+
M1
6
M
SPINDLE
MOTOR 5
–
+
M2 4
M
SLED
MOTOR 3
–
2
SW4
PICKUP IN
1
CNP3A
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
1
VIDEO CD PWB-C (1/2)
CD SIGNAL
CNS1A CNS1B
7 7 7
6 6 6
R51 10K
5 5 5
R52 1.8K
4 4 4
R53 1.8K
3 3 3
R54 10K
2 2 2
R31 R30
220 1.2K
1 1 1
R32
CNP9
220
Q7
KTC3875 GR
R26 R29
R27
10K 10K 10K
C53
47/6.3
0.001
Q3
KTA1504 GR
LASER DRIVER
C52
0.01
CNS2A CNS2B
TR–
1 1 1
TR+
2 2 2
FO+
3 3 3
FO–
4 4 4
GND
5 5 5
PD
6 6 6
VR
7 7 7
LD
8 8 8
CNP10
CNS3A CNS3B
SP+
6 6 6
SP–
5 5 5
SL+
4 4 4
SL–
3 3 3
PUIN
2 2 2
GND(D)
1 1 1
CNP3
2
Figure 18 SCHEMATIC DIAGRAM (1/12)
R50
47
R37 5.6K
R43 5.6K TIN1
FIN1
R41 5.6K
R36 5.6K FIN2
TIN2
R56 R55
1.8K SERVO AMP.
1.8K
FIN1
C55 1
C54
0.01
47/10
REF
FIN2
2
C6
100/10
REF
TIN1
3
C8
0.1
REF
TIN2
R28
4
10K
REF
REF1
C7
5
0.022
VREF
6
7
APC
LDD
8
GND
9
LDON
10
C51
R25
11
ODRV
10K
AGON
12
AGCON
EFBL
13
TEST0
R47 14
LPF
10
TES1
15
C19
0.022
TDO
FDO
C46
0.022
SLDO
R48
6.8K
C50
100/10
3 4
– 18 –
IC1
C11
LA9235M
47/6.3
VCC
C12
30
0.022
ODRV
RFSW
REF
29
R42
R7
56K C18
6.8K
5P
RF–
AGCON
(CH)
28
R5
5
R6
68K
47K
REF RF
PH
27
26
PH C13 0.01
25
DH
BH C14 0.33
24
ODRV
23
RFEV
PH/BH
22
REF
FE–
R3 56K
LPF 21
FE
REF
20 C89 560P
REF
TE–
LPF 19
R4 10K
TE
18
REF
REF
HFL
REF
17
4
REF
16 TEST
REF
1
+ -
+
-
2
+ +
3
+
4
5
6
7
8
IC3
9
M63001FP
10 FOCUS/
TRACKING/
11
SPIN/
12
SLED DRIVER
13
14
15
16
+
17
+
18 +
+
–
+
19
+
–
20
+
–
C49
+
–
21
100/10
5
C23
R12
0.047 680
R79 1.5M
C24 2.2/50
C21
0.1
C22
C25
100P
0.022
R11
(CH)
12K
R10 R80
27K 1M
C20 0.1
R15
R8
10K
330
C17
C27
0.0047 C42
0.1
68P
C26
(CH)
0.047
P
C29
C82 C28
0.022
0.022 47/10
2
13
R44
1K
EFBL
R24
1(1/2W)
42
41
40
39
38
37
C47
36
100/10
35
C90
100/10
34
33
32
31
30
29
28
27
26
SPDO
25
24
23
22
6