Sharp CD-C5H Service Manual page 38

CD-C5H,CP-C5H
CNS2A
CNS2B
A
7 7 7
6 6 6
5 5 5
4 4 4
3 3 3
2 2 2
1 1 1 1
B
K
C
K E
E B
B
A
A F
F C
C
LD
MON
TR+
FO+
FO–
TR–
ACTUATOR
D
PICKUP UNIT
E
CNS1A
TR–
1
TR+ 2
FO+ 3
FO– 4
GND
5
PD 6
VR 7
LD
8
F
CD MOTOR PWB-E
CNS3A
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 20.
The numbers 1 to 12
1
+B
C1
47/10
R1
LASER DRIVER
10
1.5V 4.0V
C2
Q1
3.4V
0.01
KTA1266 GR
R2 68K
R3 82K
R4
82K
R5
68K
CNP1
R6
82K
C4
0.1/50
2.0V
R8
15K
TE
C54
0.001
R10 C5
2.2K 0.033
R11
C6
6.8K
0.033
C7
R12
C8
0.1/50
100
0.068
R13
C9
1K
0.047
R14
R15 C10
27K
12K
7 180P
6
5
4 R16
3.3K
3
2
1
1
T–
2
T+
3
F+
4 F–
5
GND
6
PD
7
VR
8
LD
R22
22K
C12
0.1
CNS1B
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
CNP2
CNS3B
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
are waveform numbers shown in page 50.
2
Figure 38 SCHEMATIC DIAGRAM (10/17)
C3
1/50
R46
560
64 63 62 61 60
FIN2
2.0V –
+
1
RF
2
–
FIN1
2.0V
+
FE1
REF
–
–
2.0V +
E
+
3
REF
4
2.0V
F
VCR
REF
TB VCR
–
5
+
2.0V
TE–
6
2.0V TE
–
7 VCR
+
VCR
–
+
2.0V
8
BAL
TESI
2.0V
9 REF
+
–
+
SCI
REF
–
HIST.COMP
SHOCK;WCOMP
10
TH
2.0V
+
–
TGL1
TA
2.0V 11
THDL
12
2.0V TD–
TD
13
2.0V WCOMP
–
+
JP
REF
+
GEN
2.0V – FSC
JP TO
14
GEN
REF
+
+
–
–
2.0V –
TO +
+
15
GEN
–
2.0V
16 +
–
FD
17 18 19 20 21
R17
33K
R18 C11 C13
330P
15K 0.1
R26
R23
82K
R19
10K
1K
VREF
C14
R25
R24
0.01
1.5K
47K
IC3
M56748FP
2.0V
1
+
2.0V
STAND
–
2
BY
2.0V
3
+
+
–
2.0V
4 –
2.1V
5
2.1V
6
2.1V
7
0V
8
0V
9
0V
10
0V
11
2.1V
12
2.1V
13
TSD
2.0V
14
2.0V
–
15
–
+
+
0V
16
17 +
5.0V
–
18
0V
FOCUS/TRACKING/
C36
100/10
SPIN/SLIDE DRIVER
3 4
– 38 –
59 58 57 56 55 54 53 52 51 50 49
VCC
+
–
REF
FEBAL
+
DEF
–
FOSTA
–
+ HFL
TOSTA
CLK
+ 2FREQ
DRF CE
–
LASER
CL
IC1
FSTA
DAT
LA9241M
8/12CM
SERVO AMP.
P-ON RES
SLOF
VCC
+ REF
–
REF JP–
+
JP –
+
RF
GL
–
JP+
REF
THD
PSTR
REF
CV-
+
–
CV+
OR
– SLOF
REF
REF
+
–
–
+
–
22 23 24 25 26 27 28 29 30
C17
0.001
R30
6.8K
R31
1.2K
C18
0.47/50
0V
36
0V
35
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
10K
23
2.0V
22
2.0V
21
2.0V
20
5.0V
19
0.7V
+B
5
+
R45
4.7K
C28
C29
0.1
4.7/25
48
NC
2.0V
TBC 47
2.0V
FSC 46
0V
45
DGND
R44
33K
SLI
2.0V
44
C26
REF
0.033
C27
0.001
R41
R42
47K
47K
2.0V
43
SLC
R40 C25 R39
27P
5.6K 1K
2.0V
42
RFS–
R43
–
C24
56K
2.2P
41
RFSM
1.3V
R38
C23
470
0.0027
HF
0V
40
CV+
0V
39
CV–
4.0V
SLOF
38
0V
37
HFL
0V
36
TES
4.0V
35
TOFF
4.0V
34
TGL
0V
33
JP+
C22
220P
31 32
GND
C35
1/50
D1
R37
1SS133
82K
R47
100K
D2 D3
1N4004S 1N4004S 1N
+B
27 26 25 24 23 22 21 20 19 18 17 16
1
1
CF
6