Sharp CD-C612 Service Manual page 26

CD-C612
DISPLAY PWB-A2
A
R721
100K
Q705
2SC3331
B
FW702
1
CLK
DO
CE
DI
A_GND
C
VF1
VLOAD (–VP)
VF2
HI_CUT
S.MUTE
POWER
11
FW703
1 T_T1 T2
T_BIAS
REC/PLAY
D_GND
12V M
D
SPA SIG
–7V
+5V
AC_RLY CON
UN_SW 5V
10
E
F
G
FWM1
M
MM1
TAPE MOTOR
SWM3
FOOL PROOF
SWM4
F.A.S
SOLM1
SOLENOID
SWM5
H
CAM
FWM2
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
R722
100K
R723
100K
Q706
Q707
2SC3331
2SC3331
C720
47/50
R716
33
+B
+B
R717
10K
IC563
BA4558F
C551 R562
R551
270P 390K
10K
2
C557
R556
3
270P
33K
R570
220K
R558
C559
5
68K
0.0027
6
R553
C553
12K
0.0027
D551
1SS133
C555
R555
0.0068
56K
R572
2
2.2M
C556
R560
3
0.0068
470K
C561
0.022
R567
5
270K
6
R561 C562
1K 0.022
IC562
R573
1M BA4558F
+B
TAPE MECHANISM PWB-E
2+
–
2 4 CNSM1
PHM1 CNPM1
RUN PALS MOTOR
1 1
SENSOR
1 2 2
3
3 3
GND
4 4
+12V
5 5
CNPM2
T2 RUN
6 6
7
7
FPA
8 8
9 9
T1 RUN
10 10
SOLENOID
11 11
CAM SW
12 12
2 3
Figure 26 SCHEMATIC DIAGRAM (9/10)
1 2 3
C702
1/50
DEMO
R799
10K
R719
R720
10K
10K
+B
R574
R575
330
330
(1/4)
(1/4)
D554
4
1SS133
SPEANA3
1
C566
R578
2.2/50
100K
D555
8
1SS133
SPEANA2
7
R579
100K
+B
+B
D556
4
+B
1SS133
SPEANA1
1
R580
C568
100K
2.2/50
8
7
R758
1.2K
+B
ZD551
MTZJ6.2C
4
– 26 –
FL701
FL DISPLAY
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
81 82 83 84
80
79 VLOAD
78 P11
P12
77-
P13
76
P14
75
P15
74
73 P16
72 P17
P18
71
P19/DIST1
70-
69
P20/DIST2
68 P21/DIST3
P22/DIST4
67
66
65
R792 10K
64
63
R703 1K
62 POWER
R705 1K
61 HI-CUT
60 NC
59 NC
R709 1K
S MUTE
58
57
56
55 DIST0
R712 22K
54 T_T1T2
R713 1K
53 T-BIAS
R714 1K
52
R715 1K
51
50 49 48 47
R724
10K
12V
R760
Q702
10K
KTA1273 Y
12V 0V
C705
Q703
47/25
KTA1271 Y
12V 0V
D716
1SS133
R759
10K
+B
3 4 5 6
1 2 7
+B
5 6
85 86 87 88
80 P10
IX0
SYSTEM
MICRO
REC/
52
PLAY
AC
51
RLY-CON
46 45 44 43
BI701
8