Tape Mechanism - Sharp CD-CH1500H Service Manual

P25 9 - H
FROM MAIN PWB
CNS940
1 2 3 4 5 6 7 8
R154
47K
Q119
DTC363 TS
REC MUTE
Q120
DTC363 TS
REC MUTE
R-CH
IC101
AN7345K
PLAYBACK AND
RECORD/PLAYBACK
AMP.
L-CH
9
IC102
BA3126N
HAED
SELECTOR
1
POWER PWB-D3 (2/2)
PLAYBACK SIGNAL
RECORD SIGNAL
7 8
P32 1 - F, P34 1 - F
TO POWER SECTION
A B C D
CNP102
+B
2
1
0V
3
R136
10K
C130
1/50
C138
3
0.0033
R109
1
C124
15K
0.022
0V
R134
2
100
R132
1.5K C122
270P
R130
1K
R128
68K
R124
R126
5.6K
15K
C120
1/50
C112
560P
C106
0.033
C110
47/25
FOR CD-CH1500W ONLY
FOR CD-CH1500H: JUMPER
R104
+B
5.6K
R105
100
0V
3
8 6
7
1
Q101
KRA107 M
10V
2
R102
R101
2.2K
1K
C103
R103
2 3 4 5
10/16
2.2K
Q101, Q102: SWITCHING
9
Figure 31 SCHEMATIC DIAGRAM (10/14)
+B
SWITCHING
3
0V
Q115
KRC104 M
1
2
R153 R147
47K 4.7K
+B
R143
82
+B
0V
R144
SWITCHING
Q114
220
2SA1015 GR
C132
6.8V
220/16
0V
13 GND 12
Vcc
C131
4V 0V
14 RIPPLE ALC 11
22/50
Nor/CrO2
0V
15 10
C129
ALC
R138
1/50
3.3V
10K
3.3V
16 9
C125
C126
22/50
22/50
0.5V
0.5V
17 8
C121
270P
0V
0V
18 7
R150 C116
6.8K 3.3/50
0V 0V
6
19
C118
0.022
20 5
1.9V
1.9V
21 4
R120 R121
3.9K 3.9K
R118
R119
C109
0.5V 0.5V
100K 100K
330P
22 3
L102 L101
0V
560 560
0V
23 2
0V 0V
24 1 FOR CD-CH1500W ONLY
FOR CD-CH1500H: JUMPER
R114
330
C104
560P
C102
180P
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6
CNS101B
1 2 3 4 5 6
RECORD/
PLAYBACK
HEAD
ERASE
R-CH L-CH
HEAD

TAPE MECHANISM

ASSEMBLY(2/2)
10
– 31 –
CD-CH1500H/CD-CH1500W
C134
47/25
BIAS OSC.
Q116
L104
KTC3203 Y
330µH
0V 0V
R148
4.7
0V
C133
0.039(ML)
C137
0.0082
R141 R139 C135
47K 22K 0.047(ML)
R137
10K
R149
C127
15K
0.0033
R135
100
R133
1.5K
R129
R131
6.8K 1K
R125
R127
5.6K
15K
C119
1/50
C113
560P
C105
560P
C101
180P
CNP101
CNS101A
11 12