Sharp CD-C1W Service Manual page 34

CD-C1W,CP-C1W
A
CNS2A CNS2B
7 7 7
6 6 6
5 5 5
4 4 4
3 3 3
2 2 2
1 1 1 1
CNP1
B
C
7
K
6
K E
5
E B
4
B A
3
A F
2
F C
1
C
LD
MON
1
TR+
2
FO+
3
4
FO–
5
TR–
D
6
ACTUATOR
7
8
PICKUP UNIT
E
CNS1A CNS1B
TR–
1
TR+ 2
FO+ 3
FO–
4
GND 5
PD 6
VR
7
LD 8
CD MOTOR PWB-E
F
CNS3A CNS3B
M701
M
6 6
SPINDLE
MOTOR
5 5
M702
4 4
M
SLED
3 3
MOTOR
2 2
SW702A
1 1
PICKUP IN
CNP3A
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
All manuals and user guides at all-guides.com
+B
C1
47/10
LASER DRIVER R1
10
1.5V 4.0V
C3
C2
Q1
3.4V
1/50
0.01
KTA1266 GR
R2 68K
R3 82K
R4
82K
FIN2
2.0V
R5
1
68K
2
2.0V FIN1
R6
82K
REF
2.0V
E
3
4
2.0V
F
C4
0.1/50
2.0V
R8
TB
5
15K
2.0V
TE–
6
TE
2.0V TE
7
2.0V
C54
8
0.001
R10 C5
TESI
2.2K 0.033
2.0V
9 REF
R11
C6
SCI
6.8K
0.033
C7
R12
C8
0.1/50
100
0.068
10
TH
2.0V
R13
TA
C9
2.0V 11
1K
0.047
12
2.0V TD–
R14
R15 C10
27K
12K
180P TD
13
2.0V
–
R16
3.3K
2.0V
JP
14
+ –
2.0V
TO
15
2.0V
16
FD
T–
T+
R17
F+
33K
F–
GND
R18
PD
15K
VR
LD
R19
1K
VREF
R22
22K
C12
0.1
2.0V
1
2.0V
2
2.0V
3
2.0V
4
2.1V
1 1
5
2.1V
2 2
6
2.1V
7
3 3
0V
8
4 4 0V
9
0V
5 5
10
0V
6 6 11
2.1V
7 7 12
2.1V
8 8
13
2.0V
CNP2
14
2.0V
15
0V
16
17
5.0V
18
0V
C36
100/10
6 6
SP+
5 5
SP–
4 4
SL+
3 3
SL–
2 2
PU-IN
1 1
CNP3
R49
1K
CD SERVO PWB-C3
2 3
Figure 34 SCHEMATIC DIAGRAM (10/15)
R46
560
64 63 62 61 60 59 58 57
VCC
–
+ +
–
RF
–
REF
+
FE1
–
+
– + DEF
–
+
REF
–
+ HFL
VCR
REF
VCR
–
+
+
DRF
–
–
VCR
+
IC1
VCR
–
+
LA9241M
BAL
SERVO AMP.
+
–
+
REF
–
HIST.COMP
VCC
SHOCK;WCOMP
+
–
REF
+
–
TGL1 JP
+
GL
–
THDL REF
THD
PSTR
REF
WCOMP
+
JP
REF
+
GEN
– FSC
TO
–
REF
GEN
REF
+
–
–
–
+
+
GEN
–
+
–
17 18 19 20 21 22 23 24 25 26
C13 C17
C11
330P 0.001
0.1
R30
R26
R23
6.8K
82K
10K
R31
1.2K
C14
R25 C18
R24
0.01
1.5K 0.47/50
47K
IC3
M56748FP
0V
36
+
STAND
– 0V
35
BY
V
34
+
+ 2.0V
– 33
–
2.1V
32
2.1V
31
2.1V
30
0V
29
0V
28
0V
27
0V
26
2.1V
25
2.0V
R48
24
TSD
10K
23
2.0V
– 22
–
+ 2.0V
+
21
2.0V
+
20
– 5.0V
19
0.7V
+B
FOCUS/TRACKING/
SPIN/SLIDE DRIVER
4
– 34 –
R45
4.7K
C28
C29
0.1
4.7/25
56 55 54 53 52 51 50 49
48
NC
2.0V
TBC 47
2.0V
FSC 46
FEBAL
FOSTA
0V
TOSTA
CLK 45
DGND
2FREQ
CE
LASER
CL
R44
FSTA
33K
SLI
2.0V
DAT
44
8/12CM
C26
REF
0.033
P-ON RES C27
SLOF
0.001
R41 R42
47K
47K
2.0V
43
SLC
R40 C25 R39
5.6K 27P 1K
2.0V
REF
42
RFS–
– R43
JP– C24
+ 56K
2.2P
–
RF
41
JP+
RFSM
1.3V R38
C23
470
0.0027
HF
0V
CV- 40
CV+
+
0V
–
39
CV–
CV+
4.0V
SLOF 38
0V
HFL 37
0V
OR
36
TES
SLOF 4.0V
35
TOFF
REF
4.0V
+
34
–
TGL
0V
JP+ 33
C22
220P
+
–
27 28 29 30 31 32
GND
C35
1/50
D1
R37
1SS133
82K
D2 D3
1N4004S 1N4004S
+B
27 26 25 24 23 22 21 20 19
1
1
5 6
+B
C57
0.001
R47
100K
C37
0.022
D4
1N4004S
18 177 16 15 14 13 12
T
CFW2