Sharp CD-BP90W Service Manual page 30

CD-BK100W/CD-BP90W
A
VCC
VREF
E
A
B
F
C
B
C
D
TR–
TR+
E
FO+
FO–
GND
PD
VR
LD
GND
PICKUP UNIT
F
G CNP3A
M1
+
SPINDLE M
MOTOR
–
+
M2
M
SLED
MOTOR
–
SW4
PICKUP IN
CD MOTOR PWB-H
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
CD SERVO PWB-E
7 7 7 7
6 6 6 6
R51 68K
5 5 5 5
R52 56K
4 4 4 4
R53 68K
3 3 3 3
R54 68K
2 2 2 2
1 1 1 1
100/10
C8
0.1
1.5V
KTA1266 GR
1 1 1 1
2 2 2 2
3 3 3 3
4 4 4 4
5 5 5 5
6 6 6 6
7 7 7 7
8 8 8 8
IC3:
FOCUS/TRACKING/
SPIN/SLED DRIVER
SP+
6 6 6 6
SP–
5 5 5 5
SL+
4 4 4 4
SL–
3 3 3 3
PU IN
2 2 2 2
GND(D)
1 1 1 1
2
Figure 30 SCHEMATIC DIAGRAM (11/12)
CD SIGNAL
TIN1
FIN1
FIN2
TIN2
IC1
LA9235M
C55
SERVO AMP.
0.01
02
C6
FIN1 VCC
1
03
FIN2 RFSW
2
01
3 TIN1 RF_
04
C7
TIN2 RF
4
10/16
5 REF1 N/C
VREF PH
6
LDS BH
7
8 LDD N/C
GND
9 RFEV
10 LDOF FE_
11 ODRV
AGON TE_
12
13 EFBL
14 TESO HFL
15 TESI TES
3.3V
Q3
C52
0.01
C46
0.022
IC3
M63001FP
1 TO
TDO
FD
2
FDO
FO
3
4 FO+
FO–
5
6 TR+
TR–
7
8
9
10
11
12
GND GND
13
14
SL– VCC3
15
16 SL+ SP–
SLDO
17 SLDO SP+
+B
18 VCC1 SPO
ST
VCC2
19 ANDBY
R48
VREF IN5+
20
6.8K
C49 21 MUTE IN5–
100/10
C50
100/10
3 4
– 30 –
R50
47
C11
47/10
C18
3P
R7
C12
6.8K
0.1
5
30
29
R5
28
39K
27
26
C13
25
0.01
C14
24
0.33
23
22
R3
21
100K
FE 20
R4
19
10K
TE 18
17
16
4
D93
13
1SS133
LD_M+
42
LD_M–
41
+B
VCC4
40
LOADING M+
39
LOADING M–
38
37
36
35
C47
34
100/10
33
32
31
30
29
28
+B
27
26
25
24
23
22
+B
5
C23
R12
0.047
680
R79
1.5M
C24
2.2/50
C21
0.1
C25
0.1
7
C81
0.022
R11
12K
C22
1 PD
100P
PD
2
R10
3 VV
27K
C20
4 PC
0.1
VV
5
R14
6 FR
1.2K
HF
7
R80
8 SL
1M
R15
R8
9 SL
10K
330
EF
10
11 JIT
C42
C26
68P
C27
0.047
JIT
12
0.1
13 BH
PH
14
FE
15
16 TE
VR
17
18 AD
AD
19
PH
20
21 BH
TB
22
23 TD
24 FD
R44
1K
R43
220K
2 1
6
R22
D22
470
1SS13
D21
R21
1SS13
470
6