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Sharp CD-CH1000 Service Manual Page 42

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CD-CH1000
– 42 –
Figure 42 SCHEMATIC DIAGRAM (11/11)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 25.
1 2 3 4 5 6 7
FROM
MAIN PWB
POWER PWB-D1 (2/2)
TO POWER SECTION
1 2 3 4 5 6 7
IC101
IC102
TAPE MECHANISM
ASSEMBLY(1/2)
RECORD SIGNAL
PLAYBACK SIGNAL
CNS940
P35 9-H
P40 1-F
R156
33K
R155
33K
Q119
DTC363 TS
Q120
DTC363 TS
R102
2.2K
R101
1K
R103
2.2K
C103
10/16
R105
100
IC102
BA3126N
HAED
SELECTOR
Q101
KRA107 M
R104
5.6K
Q102
KTC3199 GR
R154
47K
C141
1/50
C140
1/50
C105
560P
C101
180P
CNP102
C104
560P
R143
82
R114
1K
R137
10K
C109
330P
R141
47K
C138
0.0033
C130
1/50
C135
0.047(ML)
C137
0.0082
C111
47/25
R117
56
C119
1/50
C113
560P
C107
0.033
R125
5.6K
R119
100K
R121
3.9K
C110
47/25
C112
560P
C120
1/50
R124
5.6K
C106
0.033
R109
15K
R132
1.5K
C126
22/50
R134
100
C116
3.3/50
R131
6.8K
Q116
KTC3203 Y
C127
0.0033
C132
220/16
C131
22/50
R135
100
R128
68K
C118
0.022
R138
10K
C123
0.022
R150
6.8K
R116
56
C102
180P
C129
1/50
C121
270P
R148
4.7
R136
10K
C108
330P
R133
1.5K
L104
330µH
R149
15K
Q114
2SA1015 GR
R153
47K
R147
4.7K
Q115
KRC104 M
R130
1K
R126
15K
R127
15K
R129
1K
R118
100K
R120
3.9K
C125
22/50
C122
270P
C124
0.022
R144
220
R139
22K
R115
1K
C134
47/25
C133
0.039(ML)
CNP101
IC101
AN7345K
PLAYBACK AND
RECORD/PLAY BACK
AMP.
11.3V
0V
0V
0V
0V
0V
0V
11.3V
11.3V
1
2
3
2
3
1
3
1
2
3
1
2
SWITCHING
SWITCHING
BIAS OSC.
REC MUTE
REC MUTE
SWITCHING
SWITCHING
0V
0V
0V
0V
3.7V
3.7V
6.8V
4V
0V
0V
0V
3.3V
3.3V
0.5V
0.5V
0V
0V
1.9V
0.5V
0V
0V
0V
0V
0.5V
1.9V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
9V
0V
10V
10V
ERASE
HEAD
RECORD/
PLAYBACK
HEAD
R-CH
L-CH
9
8
7
6
5
4 3 2
1
1 2 3 4 5 6 7 8
REC_MUTE
REC_CONT
REC_L-CH
REC_R-CH
A_GND
TAPE_R-CH
TAPE_L-CH
REC_BIAS
A_+10V
M_+11V
BIAS_GND
A_GND
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
0V
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L-CH
L-CH
R-CH
R-CH
Vcc
ALC
GND
ALC
RIPPLE
Nor/CrO2
–
+
–
+
Hich=T1
+
+
–
–
Hich=CHROME
56K
112K
56K
112K
A B C D
+B
+B
+B
+B
+B
+B
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