Sharp WF-2000W Service Manual page 11

Portable stereo component system
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2
JACK
L-CH
R264
47K
R266
4.7K
SW501-C
FUNCTION
SELECTOR
C254
LINE
2.2/50
RADIO
TAPE
220P(CH)
SW501-D
FUNCTION
SELECTOR
LINE
RADIO
TAPE
C255
2.2/50
R232
2.2K
Q504
SS8550
R509
KR
R508
330
3.9K
VR501
500(B)
TAPE
PEED
7
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FM IF
AM IF
MW
TRACKING
C256
R267
2.2/50
330K
FM
TRACKING
R269
3.9K
C258
R233
270
C236
R231
220/16
270
C259
220P
R270
(CH)
3.9K
C229
Q210
2.2/50
2SC945 AP
R268
R258
330K
560
CN203
6
L_IN
6
R_IN
GND
B+
R_OUT
L_OUT
1
1
CN204
4
4
GND
X-BASS
X-BASS
LD314
L01-224HD
1
1
R411
330(1/4)
C437
R440
2.2/50
330K
Q401
R434
C433
R435
2SC2412 KR
2.2/50
R423
6.8K
6.8K
2.2K
R436
6.8K
R442
C435
C421
330
220P
C431
220/16
0.027
(CH)
C432
0.027
C436
R443
220P
330
R439
(CH)
R424
R437
6.8K
2.2K
6.8K
R438
C434
6.8K
2.2/50
C438
R441
2.2/50
330K
IC403
L7808CV
VOLTAGE
IC403
REGULATOR
3
OUT
C512
C516
47/16
0.1
D503
1N4148
R507
1
2
3
4
5
6
47K
1
2
3
4
5
6
SW4
SW2
SW5
SW6
TAPE 1
TAPE 1
TAPE 2
TAPE 2
REC
PLAY
PLAY
FF/REW
8
manuals search engine
T108/T106
FH
CT104
SW1
SW1
TRACKING
TRACKING
T107
FL
T101
FH
C4
FH
C3
GRAPHIC EQUALIZER PWB-A2
MW BAND
CONVERAGE
FL
ANT COIL
FL
T103
FH
C2
FH
C1
MW BAND
CONVERAGE
FL
L102
FL
L101
ON
OFF
LD311
R333
L01-224HD
SW401
1K
X-BASS
LD313
L-474CGDK
R319
330
IC402
LA4663
POWER AMP.
C419
R421
2.2/50
1K
R415
4.7K
C417
C413
0.001
0.001
R417
C415
22K
0.15(ML)
C418
R419
0.001
3.3K
R420
R422
C420
3.3K
1K
2.2/50
R418
C416
22K
0.15(ML)
C414
R416
0.001
4.7K
D401
1N4148
R433
LINE(ON)
SW501-B
FUNCTION
RADIO(ON)
SELECTOR
IN
1
TAPE
GND
(STANBY)
2
C514
10/50
C501
IC404
3300/25
L501
47 mH
OUT IN
3
1
GND
2
C511
C515
47/16
10/50
IC404
L7809CV
VOLTAGE
REGULATOR
CON502
7
8
9 10
7
8
9 10
CN502
MW/SW SIGNAL
FM SIGNAL
RECORD SIGNAL
H L + –
PLAYBACK/MIC SIGNAL
M
CD/LINE SIGNAL
MIC SIGNAL
SW3
TAPE 1
M1
FF/REW
TAPE MOTOR
9
Figure 11 SCHEMATIC DIAGRAM (2/2)
– 11 –
FH
CT102
FH
CT103
FH
SW2
SW2
TRACKING
TRACKING
FL
T104
FL
T102
FL
GRAPHIC
EQUALIZER
VR305-A
VR304-A
VR303-A
R305
C305
100K(B)
50K(B)
100K(B)
2.2K
1/50
(10 kHz)
(300 Hz)
(500 Hz)
C323
R303
C303
R309
4.7/50
2.2K
0.022
1K
R301
C301
C307
C311
R317
1K
0.47/50
0.33/50
1/50
1K
R307
23
21
19
17
15
13
11
9
220
(1/4)
IC301
BA3822LS
C334
220/16
GRAPHIC EQUALIZER
24
22
20
18
16
14
12
10
C310
R308
820P
1K
R318
1K
C302
C309
C313
1/50
0.018
0.1(ML)
R306
C324
2.2K
4.7/50
C306
1/50
R304
2.2K
VR305-B
VR301-B
VR302-B
R310
C304
100K(B)
50K(B)
100K(B)
1K
0.022
(10 kHz)
(5 kHz)
(1 kHz)
GRAPHIC
X-BASS
EQUALIZER
VOLUME
VOLUME
VR401-B
VR401-A
50K(B)
50K(B)
1
2
3
4
5
6
7
CN205A
CN205B
1
2
3
4
5
6
7
C430
R430
10/16
220(1/4)
R_OUT
C429
R429
10/16
220(1/4)
L_OUT
IC402
R425
2.2(1/4)
C425
+OUT1
0 V
14
2
6.9 V
0.1(ML)
R431
13
+
15K
6
0 V
–OUT1
C423
12
10/16
C427
R427
6.9 V
0.1(ML)
2.2(1/4)
3
0 V
C426
C424
R426
+
+OUT2
0.1(ML)
47/25
2.2(1/4)
R_OUT
9
1
6.9 V
14.2 V
R432
10
0 V
15K
–OUT2
4
0 V
11
6.9 V
C428
R428
0.1(ML)
2.2(1/4)
5
7
8
C422
0.022
15K
AC 110-127 V
CN501
+B
B+
SW601
1
1
VOLTAGE
GND
SELECTOR
2
2
AC 220-240 V
POWER
F601
TRANSFORMER
T4A L 250V
+B
POWER PWB-B
BATTERY A
PWB-A4
10
11
WF-2000W
CT101
T105
X-BASS
VR302-A
VR301-A
100K(B)
50K(B)
(1 kHz)
(5 kHz)
C315
C319
0.1
0.018
7
5
3
1
8
6
4
2
C317
C321
0.33/50
0.47/50
VR303-B
VR304-B
100K(B)
50K(B)
(500 Hz)
(300 Hz)
GRAPHIC
EQUALIZER
CON401
SPEAKER
TERMINAL
AC POWER
SUPPLY CORD
T601
AC 110-127 V/
220-240 V,
50/60 Hz
SO601
AC INLET
SOCKET
BATTERYES DC15V
["D" SIZE(UM/SUM-1.
R20 or HP2)
BATTERY B
BATTERY x 10]
PWB-A5
12

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