Schematic Diagram - Sharp CD-BP160W Service Manual

CD-BP160W/180W/1500W/1700W
A
Vcc
Vref
B
E
A
B
F
C
C
D
E
TR-
TR+
TR+
FO+
FO+
FO-
GND
FO-
F
PD
TR-
VR
LD
ACTUATOR
PICKUP UNIT
G
CD MOTOR PWB-C
CNP3A
M1 +
M
SPINDLE
MOTOR
-
+
M2
M
SLED
MOTOR
-
SW4
PICKUP IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 34.
1
CD SERVO PWB-B
7 7 7 7
6 6 6
6
R51 68K
5 5 5 5
R52 68K
4 4 4 4
R53 68K
3 3
3 3
R54 68K
2
2 2 2
1 1 1 1
TR-
1 1 1 1
TR+
2 2 2 2
FO+
3 3
3 3
FO-
4 4 4 4
GND
5 5 5 5
PD
6 6 6 6
VR
7 7 7 7
LD
8 8 8 8
CNP2
SP-
6 6 6 6
SP+
5 5 5 5
SL+
4 4 4 4
SL-
3 3 3 3
PUIN
2
2 2 2
GND(D)
1 1 1 1
CNP3
2
Figure 18 SCHEMATIC DIAGRAM (1/9)
+B
R50
47
TIN1
FIN1
FIN2
TIN2
R56
R55
68K 68K
FIN1
1
REF
FIN2
2
REF
TIN1
3
C54 C55
REF
0.01
47/10
TIN2
4
C6
100/10
REF
REF1
C7
5
10/16
VREF
6
C8
0.1
7
+B LDD
8
GND
9
LDON
10
C51
C53
11
47/10
0.001
+B
AGON
12
R25 EFBL
13
10K
R47
TEST0 14
3.3
TES1
15
Q3
KTA1266GR
LASER DRIVER
C52
0.01
+B
+B
R48
6.8K
+B
3 4
– 18 –
IC1
LA9235M
SERVO AMP.
VCC
30
ODRV
RFSW
REF 29
R42
120K
AGCON
RF-
28
REF RF
27
PH
NC
26
PH
25
REF
DH
BH
24
0.33
ODRV
23
APC
RFEV
22
PH/BH
R3
REF
FE-
21
LPF
100K
FE
REF
20
REF
R4
TE-
ODRV 19
LPF
10K
TE
AGCON 18
REF
REF
HFL
17
REF
REF
LPF 16
TEST
REF
4
TDO
TO
1
+
FDO
FD
+
2
FO 3
C46 +
0.022
FO+ +
4
FO-
5
TR+
6
TR-
7
8
9
10
GND
11
12
13
14
SL-
15
SL+
16
SLDO
+
17
+
VCC1
18 +
STANDBY
19
Vref
20
MUTE
21
C50
100/16
5
C23
0.047
C11 C24
0.47/6.3
2.2/50
C22
C12
100P
0.1
C18
R7 R10 R80
3P
6.8K 27K 1M
(CH)
R6
R5
C20
27K
39K
0.1
R15
5
R8
330
10K
C13
C17
0.01
0.0047
C42
68P
C14
C82
C2
0.022
47/1
C41
100/10
R43
D93
220K
DS1SS133
13
+B
LD_M+
42
-
LD_M-
- 41
+B
VCC4
+ 40
LOADING M+
39
LOADING M-
38
37
C47
36
100/16
35
34
33
GND
32
31
30
29
VCC3
28
SP-
27
SP+
26
SPO SPDO
25
+
+ VCC2(SPN)
24
+
23
-
- 22
+B
6