Sharp MD-C2 Service Manual page 38

MD-C2
A
TAPE MECHANISM
PWB-H (296-4)
PHK00
PHOTO
B
SWK00
F.P
MK00
TAPE
MOTOR
M
FWK00
C
SOK00
SOLENOID
D
E
RECORD/PLAYBACK
HEAD(296-7)
L-CH
F
R-CH
EH
ERASE HEAD(296-6)
TAPE MECHANISM
G ASS'Y (296)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.
1
PHOTO
7 7 7
RUN PULSE
6 6 6
M_GND
5 5 5
MOT+
4 4 4
SOL
3 3 3
P.F(REC)
2 2 2
CUM SW
1 1 1
BIK02
FWK01
TAPE SIGNAL
RECORD SIGNAL
RK43
100K
QK07
HSA1015 GR
RK01
15K
RK71 CK41
6.8K 330P
QK01
C2389 SS
0.73V
0.73V
QK03
C2389 SS
1 1
2 2
3 3
4 4
5 5
6 6
QK04
C2389 SS
7 7
0.73V
8 8
0.73V
RK72
QK02
6.8K
C2389 SS
CK42
330P
RK02
15K
2 3
Figure 38 SCHEMATIC DIAGRAM (3/16)
RM09
1K
0V
QM01
HE8550 D
RM01
11V
100K
QM02
HE8550 SD
3.8V
RM03
100K
11V
RM06
10K
RK42
220
QK08
CK32
KRC104 M
RK44
0.022
10K
CK30
100/16
3
2
4.7V
1
RK45
8.6V
4.7K
1
4.7V
2 3
7.9V
QK09
8.6V
KRC104 M
ICK01
AN7345K
RECORD/
PLAYBACK
AMP.
RK03
RK11
2.2K
1K
RK09
4.7K
RK05
24
3.3K
RK12
1K
QK06
RK06
HSC1815 GR
3.3K
RK10
4.7K
RK04
RK08
2.2K
47K
4
– 38 –
+B
QM04
KRC107 M
RM02
2.2K
2
0V
11V 3
RM04
0V
1
10
QM05
KRC107 M
RM05
2.2K
2 3
11V 0V
0V
1
RM08
8.2K
0V
1
2 5.3V
3
0V
QM06
CM02
KRC107 M
3.3/50
RK13
RK23
68
220K CK15
CK07 CK09
470P
0.033 560P
RK19
RK15
5.6K
100K
CK05
RK17
47/25
4.7K
CK03
330P
CK11
1/50
23 22 21 20 19
–
+
112K
Hich=T1
112K
+
–
1 2 3 4 5 6
CK12
CK04
1/50
330P
CK06
47/25 RK16 RK18
100K 4.7K
RK20
5.6K
CK10
RK14
CK08
560P
68 RK24
0.033
CK16
220K
470P
5
RK31
560
RK27
6.8K
18 1
7
6