Sharp CD-C462C Manuale di servizio - Pagina 18
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CD-C462/C462C
A
1 2
3 4 5 6 7 8 9
B
C
D
E
R762
10K
12V
Q702
KTA1273 Y
Q703
KTA1271 Y
12V
12V
F
+B
TAPE MECHANISM
PWB-D
2
+
M
G
–
1
FWM1
4
2
MM1
PHM1
TAPE
RUN PALS
MOTOR
SENSOR
1
3
SWM3
F. P.
CNPM2
SWM4
F. A. S
SOLM1
SOLENOID
2
SWM5
CAM
1
FWM2
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
1
DISPLAY
FL701
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
6G
5G
P17
P18
P19
P12
P1
P6
VLOAD
P7
P8
P9
P10
P11
P14
DOLBY PASS
12V
0V
R781
LED702
LED701
820
333YTH2
333YTH2
R782
DOLBY NORMAL
820
LED703
LED704
333YTH2
333YTH2
0V
C716
DOLBY PHANTOM
47/25
R783
LED705
LED706
820
333YTH2
333YTH2
1
3
2
4 5
JK701
HEADPHONE
JACK
MOTOR
1
1
2
2
3
3
GND
4
4
+12V
5
5
T2 RUN
6
6
7
7
FOOL PROOF
8
8
9
9
T1 RUN
10
10
SOLENOIDO
11
11
MECHA STOP
12
12
2
3
Figure 18 SCHEMATIC DIAGRAM (5/10)
24.2V
4.2V
+B
24.2V
R788
1K
7G
1 2 3 4 5 6 7 8 9
10 11
12 13 14 15 16 17
–24.2V
80
T7
–24.2V
79
T8
0V
78
QS_BYP_AR
–27.1V
S0
77
–27.1V
76
S1
–15.3V
75
S2
–18.6V
74
S3
–24V
IC701
73
S4
–14.8V
IX0192AW
72
S5
SYSTEM MICROCOMPUTER
–27.3V
71
–17.9V
70
S6
–27.1V
69
S7
–27.1V
68
S8
–27.1V
67
S9
–-18V
S10
66
S11
–25V
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
P20
P13
Q707
0V
KRC107 M
1
+B
0V
3.8V
2
3
1
0V
8.9V
0V
2
3
Q708
KRC107 M
1
0V
8.9V
0V
2
3
Q709
KRC107 M
8 7 6 5 4 3 2 1
BI701
4
– 18 –
18
19 20 21
22
23 24
4.2V
R723 1K
25
4.2V
R724 1K
26
4.2V
R725 1K
KEY-1
27
R726 1K
4.2V
KEY-0
28
4.2V
29
AVDD
4.2V
30
AVREF
0V
25
KEY-3
31
P04
26
KEY-2
32
4.2V
XT2
0V
XL701
33
VSS
P0003AW
1.8V
X1
34
2.3V
39
DO
X2
35
4.2V
R732 1K
40
DRF
CL
36
0V
R733 1K
CE
37
R734 1K
0V
DI
38
R735 1K
4.2V
39
R736 1K
0V
40
C705
49
48
47
46
45
44
43
42
41
0.001
R737
10K
R745
1K
27 26 25 24 23 22 21
20
19 18 17 16 15 14 13 12 11
CNP601
TO MAIN PWB
P16 2-C
5
C703
15P
C704
18P
+B
9 8 7 6 5 4
10
6