Sharp CD-C470, Service Manual

Page: 8 / 72

CD-C407W,CP-C407
– 8 –
Figure 8 SCHEMATIC DIAGRAM (5/9)
A
B
C
D
E
F
G
H
1 2 3 4 5 6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12 (CD-C401W).
M
1 2 3 4 5
6
7 8
17 18
19
20 21 22 23 24
7
6
5
4
3
2
1
7
6
5
4
3
2
1
3
2
1
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
Q201~Q206:SWITCHING
Q207~Q209:SWITCHING
HIGH=T1
(0.7V)
0V
0V
0V
(0V)
0.8V
0V
0V
(0V)
0.7V
0V
0V
0V
0V
0.8V
(0V)
0V
(0.7V)
0V
0V
0V
0V
0V 0V
0V
(4.3V)
5V
(0V)
(11.3V)
0V
(11.3V)
10.7V
(0V)
11.2V
11.3V
11.9V 11.3V
RECORD SIGNAL PLAYBACK SIGNAL
MAIN PWB-A1(3/4)
TAPE1
REC
–
+
MOTOR
TAPE
RECORD
MAIN
TAPE1
MAIN
TAPE2
3 3 2 2
1 1
RECORD/
PLAYBACK HEAD
L-CH
R-CH
ERASE
HEAD
L-CH HEAD
PLAYBACK
R-CH
112K
112K
HIGH=
REC
REC
+B
+B
–
–
+
+
GND
TAPE2
CNS201
CNS202
R209 10K
SW607
SW605
SW606
M601
CNS203 CNP203
C220
1/50
C221
1/50
C219
560P
R208
10K
C212
330P
R212
10K
R229
33K
C216 0.033 (ML)
R227
33K
R232
2.7K
Q202
2SC1845F
C228 0.001
C218 560P
R236
560
R220
10K
C209
0.022
(ML)
R218 100K
C210
330P
Q207
KTA1266 GR
C208 0.001
R201
10K
Q206 KTC3199 GR
C214 47/25
R223 3.9K
C211
330P
C223
0.022
C229
22/16
C215 47/25
R206
1K
Q209
KRC104 M
R231
2.7K
Q208
KRC104 M
R234 6.8K
C217
0.033
(ML)
R214
1K
CNP202
R202
3.3K
R203
6.8K
C201
0.001
C202
0.001
C203
180P
C207
0.001
R207
1K
R228
68K
R233 6.8K
R225
5.6K
CNP201
R237 560
R217
56
R213 10K
C224 3.3/50
Q204
2SC1845F
R204
6.8K
C227 0.001
R210 10K
C204 180P
R211 10K
C213
330P
R215
1K
C230
22/16
R219 100K
R224 3.9K
R205
3.3K
Q203
2SC1845F
R216
56
R226
5.6K
Q201 2SC1845F
Q205
KTC3199 GR
R238
10K
D202
RL104A
D201
RL104A
C246
47/25
L205
100
µ
H
Q214
KTC3199 GR
C222
22/16
:Eliminated/Changed PARTS