Sharp CD-BK2100V Service Manual page 22

CD-BK2100V
A
Vcc
7
Vref
6
E
5
A
B
4
B
3
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
8
ACTUATOR LD
PICKUP UNIT
F
CD MOTOR PWB-D
M1
+
SPINDLE
M
MOTOR -
+
M2
G
M
SLED
-
MOTOR
SW4
PICKUP IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
1
CD VIDEO PWB-C(2/2)
7 7
7
6 6
6
R51 68K
5 5
5
R52 68K
4 4 4
R53 68K
3 3 3
R54 68K
2 2 2
1 1 1
CNP1
0.001
LASER
DRIVER
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
CNP2
FOCUSE/TRACKING/
SPIN/SLED DRIVER
CNP3
CNP3A
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
2
Figure 22 SCHEMATIC DIAGRAM (3/13)
+B
R50
47
TIN1
FIN1
FIN2
TIN2
R56 R55
SERVO AMP.
68K
68K
FIN1
1
REF
FIN2
2
REF
TIN1
3
REF
TIN2
4
C6
100/6.3
REF
C8
REF1
5
0.022
VREF
6
C7
7
10/16
APC
LDD
8
GND
9
LDON
10
C53
C51
R25
ODRV
11
47/6.3
10K
AGON
AGCON
12
EFBL
13
TEST0
R47
NC
14
3.3
TES1
15
Q3
KTA1504 GR
C52
0.01
TDO
FDO
C46
0.022
IC3
+B
R48
6.8K
C50
100/6.3
+B
3 4
– 22 –
CD SIGNAL
IC1
LA9235M
C11
47/6.3
VCC
C12
30
0.022
ODRV
RFSW
C18
REF R42
29
3P
NC
120K
(CH)
AGCON
RF–
28
R5
39K
REF RF
PH
27
NC
C13
26
0.01
PH
25
REF
DH
BH C14
24
0.33
ODRV
23
RFEV
PH/BH
22
REF
FE–
21
LPF
FE R3
REF
REF 20
47K
TE–
LPF 19
TE R4
18
REF
10K
REF
HFL
REF
17
REF
LPF NC
16
REF TEST
4
13
TO
1 + –
–
+
–
FD
+ + –
2
FO
–
3 +
NC + –
–
+
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
C49
100/6.3
5
SERV
CO
8 7
C23
R12
0.047
680
PD01
5
R13
R79
680
1.5M C24
PD
2.2/50
VV
C81
C21
0.02
0.1
R11 PCK
12K VV
R10 R80
27K 1M
R14
H
1.2K
SLC
C20 R15
0.1
10K
SL
R8
330
EFM
JIT
C27
C17
C42 0.1
0.0047
JIT
68P
C26
(CH)
0.047
PH(RFE
VR
ADAV
C29
C82
0.02
0.022
ADAV
PHR
C28
C41
100/6.3 47/10
BHR
R44 TB
1K
1
LD_M+
42
LD_M–
41
VCC4
+B
40
LOADING M+
39
LOADING M–
38
NC
37
C47
NC
36
100/6.3
35
34
33
GND
32
31
30
29
VCC3
+B
28
SP–
27
SP+
26
SPO
SPDO
25
VCC2(SPN)
24
23
22
+B
6