Sharp CD-C470H Service Manual page 28

CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
A
B
MM1
M
TAPE
MOTOR
SWM3
REC FWD
SWM6
CAM
SWM5
C F.A.S.
SOLM1
SOLENOID
SWM4
REC RVS
SWM1
T1 CrO
SWM2
T2 CrO
R-CH
D
L-CH
TAPE1
PLAYBACK HEAD
E
ERASE
HEAD
1
2
F
3
R-CH
4
5
6
L-CH
TAPE2
HEAD
RECORD/
PWB-H
PLAYBACK
HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
All manuals and user guides at all-guides.com
PLAYBACK SIGNAL
RECORD SIGNAL
TAPE MECHANISM PWB-F
TAPE
FWM2
1 SPEED
VRM1
L RM1
3.3K(B) 2.7K
H
+
– PHM1
4
CNPM2
2
2
CNS101 CNP101
TAPE1_R
1 1
A_GND
2 2
TAPE1_L
3 3
+B
C109
0.022
R113
10K
Q109
KTA1266 GR
R112
15K
REC/P.B.
Q104
2SC1845 F
R192
1K
1 ERASE
1
2 D_GND
2
3 TAPE2_R2 3
REC/P.B.
Q106
4 TAPE2_R1 4
2SC1845 F
A_GND
5 5
Q105
6 TAPE2_L1
6
2SC1845 F
7 TAPE2_L2
7 REC/P.B.
R191
1K
C105
330P
Q103
2SC1845 F
R111
15K
REC/P.B.
2 3
Figure 28 SCHEMATIC DIAGRAM (7/14)
1
FWM1
MOT L MOT L
1
MOT H MOT H
2
MOT +B MOT +B
3
REC FWD REC FWD
4
CAM SW CAM SW
5
M_GND M_GND
6
F.A.S.
F.A.S.
7
RUN PULSE RUN PULSE
8
+B +B
9
SOLENOID
SOLENOID
10
REC RVS REC RVS
11
T1 CrO T1 CrO
2 2
12
T2 CrO T2 CrO
2 2
13
13
C102
680P
C101
680P
Q110
R114
KRC104 M
10K
R101 R102
2 3 1K 1K
1
R115
4.7K
1
2 3
Q111
KRC104 M
R120
56
C118
0.033
C116
47/16
C114
R118
330P
1K
C112
330P
24 23
1 2
C111
330P
R117
C113
1K
330P
C115
47/16
C117
0.033
R119
56
CD-C480H
ONLY
KRC104 M
4
– 28 –
QM05
KTA1266GR
DRIVER
RM11
RM12
2.2K
33K
RM02
QM01
6.8K
KTA1266GR
DRIVER
MOTOR DRIVER
QM02
RM03
KTA1273Y
33K
CM01
47
QM03
KTA1271Y
DRIVER
+B
RM08
10K
RM10
1.2K
+B
CD-C480H
ONLY
Q114
KRC104 M
3 2
1
R136 C130 C136
1.8K 470P 0.022
R130
8.2K
C138
C120 C126
0.018
560P 0.01
R126
R142
5.6K
47
R122
100K
L108
L102
2.2µH
1.8mH
C134
22/25
22 21
20 19 18 17
– –
+ +
Hich=T1 Hich=CHROME
+ +
– –
3 4 5 6 7 8
R127
C133
C128
8.2K
22/25
C121 3.3/50
1/50
C123
R121
0.01
100K
R125
5.6K
C119
C125
560P
0.01
R129
8.2K
R139
560
1
Q113
3 2
D_GND
5 6
+B
RM
2
RM07
10
RM
2.
+B
1
2 3
Q116
KRC104 M
SWITCHING
L101
1.8mH
3
2
C135
1
0.022