Sharp CD-C401H (serv.man2) Service Manual ▷ View online
CD-C401E,CP-C401E
Figure 8 SCHEMATIC DIAGRAM (5/9)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
– 8 –
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
11.3V
RECORD SIGNAL
PLAYBACK SIGNAL
TAPE2
MAIN PWB-A1(3/4)
TAPE1
REC
–
+
MOTOR
TAPE
TAPE1
REC
MAIN
TAPE1
MAIN
TAPE2
3
3
2
2
1
1
RECORD/
PLAYBACK HEAD
L-CH
R-CH
ERASE HEAD
L-CH
PLAYBACK HEAD
R-CH
112K
112K
HI
REC
REC
+B
+B
+B
+B
+B
+B
–
–
+
+
GND
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
60
R220
10K
C209
0.022
(ML)
R218 100K
C210
330P
Q207
KTA1266 GR
C208 0.001
R201
10K
Q206 KTC3199 GR
C214 47/10
R223 3.9K
C211
330P
C223
0.022
C
2
C215 47/10
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
R217
56
R213 10K
C224 3.3/25
Q204
2SC1845F
R204
6.8K
C227 0.001
R210 10K
C204 180P
R211 10K
C213
330P
R215
1K
C
2
R219 100K
R224 3.9K
R205
3.3K
Q203
2SC1845F
R216
56
R226
5.6K
Q201 2SC1845F
Q205
KTC3199 GR
R2
10
D202
RL104A
D201
RL104A
C246
47/16
L205
100
µ
H
Q214
KTC3199 GR
C22
22/
C248
0.01
CD-C401E,CP-C401E
Figure 9 SCHEMATIC DIAGRAM (6/9)
7
8
9
10
11
12
– 9 –
8
9
10
11
12
13
14
15
16
17
31
30
32
33
13
17
19
29
21
+B
+B
+B
+B
37
38
39
23
24
2
1
2
1
BIAS OSC
P12 4 - A
TO DISPLAY
PWB
TO DISPLAY
PWB
P6 4 - H
TO MAIN SECTION
REC MUTING
P12 4 - A
TO DISPLAY
PWB
TO DISPLAY
PWB
SW608
TAPE2
PLAY
TAPE2
PLAY
P6 1 - E
TO MAIN
SECTION
TO MAIN
SECTION
PLAYBACK AND RECORD/
PLAYBACK AMP.
11.9V
V
(0V)
0.7V
0V
0V
REC MUTING
(0V)
0.7V
0V
0V
0V
(0.7V)
0V
5V
(0V)
(0.4V)
0V
(0.9V)
0V
(6.5V)
0V
REC
T1/T2
GND(D)
+12V
GND(A)
PLAYL
PLAYR
RECL
RECR
T1 PLAY
T2 PLAY
CNP204
CNS204
GND(
µ
-COM)
GND(MECHA)
+12V (MECHA)
56K
HIGH=CHROME
56K
GND
ALC
ALC
VCC
RIPPLE
Nor/
CrO2
CrO2
–
–
+
+
+B
+B
+B
REC_SW
R257
150
C245
0.001
R235
2.2K
R247
10K
R259
100K
Q211
KTC3199 GR
SWITCHING
C231
0.056
(ML)
Q213
KTC3199 GR
R245
10K
R249
10K
C235 0.0033
0
.001
R236
560
C237
1/50
R248
10K
C229
22/16
Q210
KTC3199 GR
C240 22/16
C241 100/10
C238
1/50
6
.8K
IC201
AN7345K
R239
100
R243
10K
R240 100
R256
470
R254
10K
R230
22K
C236 0.0033
R255
1K
R258
100K
Q212
KTC3203 Y
C232
0.056
(ML)
R237 560
R244 10K
C239 0.082 (ML)
C227 0.001
R250
47K
R253
12
C230
22/16
C243
0.027
(ML)
L203 330
µ
H
R252
100K
C244
47/16
C242
0.0039(ML)
R246
10K
R238
10K
C247 0.001
R260
6.8K
C222
22/16
R266 100K
D205
1SS119
C265 4.7/25
R265
10K
R251
6.8K
: Change/Eliminated PARTS
CD-C401E,CP-C401E
Figure 10 SCHEMATIC DIAGRAM (7/9)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
– 10 –
2
1
2
1
1
2
3
4
5
6
7
8
AM SIGNAL
FM SIGNAL
FM 75ohms
ANTENNA
TERMINAL
AM LOOP
ANTENNA
AM TRACKING fL
AM ANT.
AM BAND
COVERAGE fL
AM OSC.
1
3
2
1
3
2
FM IF
FM MP
ANT
GND
GND
GND
IFout
Fout
VT
Vcc
VT
Fout
CNP301
C303
0.022
L301
BALUN
C301
0.001
R325
470
C305 0.022
R326
680
R327
33
C302
0.022
Q303
2SC380O
CF303
CF302
R321
150
C307
47/16
R343
5.6K
R344
12K
R342
10K
R341
47K
Q304
KTA1266GR
R333
100K
L
T333
VD331-1
KV1236Z23F
R331
68K
C336
18P
(UJ)
C340
470P
R334
100K
C342
0.022
R339
4.7K
C331 0.022
C339
0.047
C344
8.2P
(UJ)
T331
C353 10/16
VD331-2
KV1236Z23F
SO301
FE301
S0003AW
R324
6.8K
R323
330
L304 2.2
µ
H
C304 0.022
R322 4.7K
MAIN PWB-A1(4/4)
: Change/Eliminated/Addition PARTS
C395
100P
CD-C401E,CP-C401E
Figure 11 SCHEMATIC DIAGRAM (8/9)
7
8
9
10
11
12
– 11 –
35
13
34
17
19
27
28
25
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
3
2
1
3
FM IF DET/
FM MPX/AM
AM OSC
FM IF
IN
AM RF
AM MIX
AM IF
GND
DET OUT
ST IND
TUN IND
VCO
NC
L-CH
R-CH
AM/FM
TP303
3
2
1
AM IF
FM DET.
LOW
PASS
FILTER
VCO
3
2
1
TP301
X IN
X OUT
NC
CL
VDD
DO
FM IN
B01
NC
IO2
B04
IO1
AM IN
PD
A IN
A OUT
VSS
DI
CE
NC
NC
PLL
P12 3 - A, P6 3 - H
TO DISPLAY PWB/
MAIN SECTION
P6 2 - H
TO MAIN SECTION
D GND
L_CH
A GND
R_CH
CL
DO
CE
DI
+12V
FM-M/ST
FM DET
FM +B
AM +B
MPX-IN
TP302
Fout
R374
8.2K
C373 1/50
R375 560
L305
C392
0.001
R397
4.7K
C308
47/16
R384
10K
R383
150
CF351
T351
VR351
6.8K(B)
C351
0.022
IC351
LA1805
R387
150
R360
470
C364
0.0015
R357
1.2K
R358
15K
C354 220/10
C355 0.022
D381
1SS119
X381
4.5MHz
R388
1.5K
C385
1/50
ZD381
MTZJ5.1B
C371 0.015
C372 0.015
C393
22/16
R359
10K
C356
0.0022
Q352
KRA109M
SWITCHING
C374 1/50
C363 1/50
R376 560
R373
8.2K
R352
33K
C352
0.022
C357 0.018
T352
R351
3.9K
C387
100P
C388 0.001
C390
12P
(CH)
C391
15P
(CH)
R390
2.2K
C384
47/16
C383
0.022
C359
3.3/25
R353
1.5K
Q381
KRA102M
C360
3.3/25
C362
3.3
R391
47K
R392 1K
R394
1K
R393
1K
R396
1K
R395
1K
R363
10K
L381
100
µ
H
R399
10K
IC381
LC72131
D383
1SS119
D384
1SS119
SWITCHING
+B
+B
+B
+B
+B
+B
C395
100P
R354 47K
C394 120P
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