Sharp CD-DK2600V Service Manual page 22

CD-DK2600V
A
Vcc
7 7
Vref
6 6
E
5 5
B
A
4
4
B
3
3
F
2 2
C
1
1
C
D
E
TR-
1
1
TR+
TR+
2 2
FO+
FO+
3
3
FO-
4 4
GND
5 5
FO-
6
6
PD
TR-
7 7
VR
8
8
ACTUATOR LD
F
PICKUP UNIT(306)
CD MOTOR PWB-D
CNP3A
M1
G +
SPINDLE
M
MOTOR -
+
M2
M
SLED
-
MOTOR
SW4
PICKUP IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
CD VIDEO PWB-C(2/2)
7 7
6
6
R51 68K
5 5
R52 68K
4 4
R53 68K
3 3
R54 68K
2 2
R56
68K
1 1
CNP1
C53 C51
0.001 47/6.3
R47
Q3
KTA1504 GR
C52
0.01
TR–
1 1
TR+
2
2
FO+
3
3
FO–
4
4
GND
5
5
PD
6
6
VR
7
7
LD
8
8
IC3
CNP2
FOCUSE/TRACKING/
SPIN/SLED/LOADING
DRIVER
CNP3
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 3
Figure 22 SCHEMATIC DIAGRAM (3/15)
+B
R50
47
TIN1
FIN1
IC1
FIN2
TIN2 LA9235M
R55
SERVO AMP.
68K
FIN1
1
REF
FIN2
2
REF
TIN1
3
REF
TIN2
4
C6
100/10 REF
C8
REF1
5
0.022
REF
VREF
6
C7 ODRV
7
10/16
APC
LDD
PH/BH
8
GND
9
LDON
REF
10
R25
ODRV
11
10K
AGON
AGCON
12
REF
EFBL
13 REF
TEST0
REF
LPF
NC
14
3.3
REF
TES1
15
TDO TO
1
FDO FD
2
FO
C46 3
NC
0.022 FO+
4
FO–
5
TR+
6
TR–
7
8
9
10
GND
11
12
13
14
SL–
15
SL+
16
SLDO
17
+B VCC1
18
STANDBY
R48
19
6.8K
Vref
20
C50 MUTE
21
100/6.3
+B
C49
100/6.3
4
– 22 –
CD SIGNAL
5
C11
47/6.3
VCC C12
30
0.022
ODRV
RFSW
C18
R42
REF
29
3P
NC
120K
R10
(CH)
AGCON 27K
RF–
28
R5
C20
39K
0.1
REF
RF
PH
27
NC C13
26
0.01
PH
C17
25
0.0047
DH
BH C14
24
0.33
23
RFEV
22
REF
FE–
21
LPF
FE R3
REF 20
47K
TE–
LPF 19
TE R4
REF 18
10K
HFL
C82
17
0.022
NC
16
TEST
4
13
LD_M+
+ – 42
+
+ – LD_M–
+
41
VCC4
+
40
+ –
+ LOADING M+
39
LOADING M–
38
NC
37
NC
36
100/6.3
35
34
33
GND
32
31
30
29
VCC3
28
SP–
27
SP+
+
26
+
SPO
SPDO
+
25
+
+
VCC2(SPN)
+ 24
+
23
+
22
5 6
S
8
C23
R12
0.047
680
R79
1.5M C24
2.2/50
C21
0.1
R1
12K
R80
1M
R15
10K
R8
330
C
C42
68P C26
(CH)
0.047
P
C41 C28
47/10
100/6.3
1
R37
1.5K
+B
C47
+B
+B