Speaker Terminals - Sharp WF-2000W Service Manual

2
JACK
L-CH
R264
47K
R266
4.7K
SW501-C R267
FUNCTION
330K
SELECTOR
C254
LINE
2.2/50
R269
RADIO
3.9K
TAPE
C258
220P(CH)
R233
270
C236
R231
220/16
270
C259
SW501-D
220P
R270
FUNCTION
(CH)
3.9K
SELECTOR
LINE
Q210
2SC945 AP
RADIO
R268
R258
TAPE C255
330K
560
2.2/50
R434
R435
6.8K
6.8K
R436
6.8K
C431
0.027
C432
0.027
R439
6.8K
R437
6.8K
R438
6.8K
R232
2.2K
D503
1N4148
Q504
SS8550
R509
KR R508 R507
330
3.9K 47K
VR501
500(B)
TAPE
PEED
7
FM IF T108/T106
AM IF T107
FH C4
MW
TRACKING
FL ANT COIL
C256
2.2/50
FH C2
FM
TRACKING
FL L102
C229
2.2/50
CN203
L_IN
6
6
R_IN
GND
B+
R_OUT
L_OUT
1
1
LD311
R333
L01-224HD
CN204
4
4
GND
X-BASS
X-BASS
LD314
L01-224HD
1
1
R411
330(1/4)
C437
R440
2.2/50
330K
Q401
C433
2SC2412 KR
2.2/50 R423
2.2K
R417
22K
R442
C435
C421
330
220P
220/16
(CH)
C436 R443
220P
330
(CH)
R424
2.2K
R418
22K
C434
2.2/50
C438
R441
2.2/50
330K
D401
IC403
L7808CV
VOLTAGE
IC403
REGULATOR
OUT
3 IN 1
GND
2
C512
C516
47/16
0.1
L501
47 mH
CON502
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 CN502
H L + –
SW4 SW2 SW5 SW6 SW3
TAPE 1 TAPE 2
TAPE 1 TAPE 2 TAPE 1
REC
PLAY PLAY FF/REW FF/REW
TAPE MOTOR
8
Figure 11 SCHEMATIC DIAGRAM (2/2)
FH CT104 FH CT102
SW1 SW1
TRACKING TRACKING
FL T101 FL T104
FH C3
GRAPHIC EQUALIZER PWB-A2
MW BAND
CONVERAGE
FL T103
FH C1
MW BAND
CONVERAGE
FL L101
R304
2.2K
ON OFF
SW401
1K
X-BASS
LD313
L-474CGDK
R319
330
IC402
LA4663
POWER AMP.
C419
R421
2.2/50
1K
R415
4.7K
R431
C417
15K
C413 0.001
0.001
C415
0.15(ML)
C418
R419
0.001
R432
3.3K
15K
R420
R422
C420
3.3K
1K
2.2/50
C416
0.15(ML)
C414
R416
0.001
4.7K
1N4148 R433
LINE(ON)
SW501-B
FUNCTION CN501
RADIO(ON)
SELECTOR
B+
TAPE
GND
(STANBY)
C514
10/50
C501
IC404
3300/25
OUT IN
3
1
GND
2
C511
C515
47/16
10/50
IC404
L7809CV
VOLTAGE
REGULATOR
MW/SW SIGNAL
FM SIGNAL
RECORD SIGNAL
PLAYBACK/MIC SIGNAL
M
CD/LINE SIGNAL
MIC SIGNAL
M1
9 10
– 11 –
FH CT103
SW2 SW2
TRACKING TRACKING
FL T102
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
C307 C311
C301 R317
1K
0.47/50 0.33/50
1/50 1K
R307
23 21 19 17 15 13 11
220
(1/4)
IC301
BA3822LS
C334
220/16
GRAPHIC EQUALIZER
24 22 20 18 16 14 12
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
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
C425 2.2(1/4)
+OUT1
0 V
2 14
6.9 V
0.1(ML)
13
0 V
6
–OUT1
C423
12
10/16 C427 R427
6.9 V
0.1(ML) 2.2(1/4)
3
0 V
C426
R426
C424
+OUT2
0.1(ML)
47/25 2.2(1/4) R_OUT
9
6.9 V
1
14.2 V
10
0 V
–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
+B
SW601
1 1
VOLTAGE
SELECTOR
2 2
AC 220-240 V
F601
T4A L 250V
+B
POWER PWB-B
BATTERY A
PWB-A4
11
WF-2000W
FH CT101
FL T105
X-BASS
VR302-A VR301-A
100K(B) 50K(B)
(1 kHz) (5 kHz)
C315 C319
0.1 0.018
9 7 5 3 1
10 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
POWER
TRANSFORMER
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