Tweeter - Sharp WF-2100W Service Manual

CT102 fH TC4
MW FM
TRACKING TRACKING
T104 fL L103
CT101 fH TC3
MW BAND FM BAND
COVERAGE COVERAGE
T105 fL T103
SW501-C
R267
FUNCTION
330K
SELECTOR
CD/LINE
(ON)
RADIO
C254
(ON)
2.2/50
TAPE C258
R233
(STAND-BY) 220P
270
C259
220P
SW501-D
FUNCTION
SELECTOR
CD/LINE
(ON)
RADIO
(ON)
C255 R268
2.2/50 330K
TAPE
L_IN
(STAND-BY)
R_IN
+B
D508 D511
1N4148 1N4148
+B
D504
1N4148
C505
47/16
D506
1N4148
D503
1N4148
Q504
SS8550
R509
330
R501
00(B)
APE
EED
MAIN PWB-A1
7
fH TC2
C335
R331
fL L102
1/50
180K
fH TC1
+B
fL L101
R330
C325
180K
1/50
R305
2.2K
C256
2.2/50
C303
0.022
R269
R301
3.9K
1K
+B
R307
220
C229
2.2/50
6 6
R308
1K
R_IN
GND
+8V
R306
+B
2.2K
+B
R_OUT
L_OUT
R304
2.2K
1 1
LD311
L01-224HD
7 7
MUTE
LD312
SIDE A LED
L01-224HD
SIDE B LED
GND
SURROUND ON
SURROUND ON
ST LED
+B
1 1
LD314
L01-224HD
R411
330
IC401(2/2)
C403 KIA4558P
2.2/50
OPE AMP.
8
5 –
7
6 +
C409
R409
2.2/50
12K
R407 R412
12K 10K
C407 R413
4.7/50 10K
C412
47/16
R404
R410
10K
12K
C410
2.2/50
–
C404 2
2.2/50
1
3 +
R_OUT
4
IC401(1/2)
D501
KIA4558P
L7808CV
1N4148
OPE AMP.
VOLTAGE
REGULATOR
+B
3
C516 C512
0.1 47/16
C506
47/16
+B
+B
L501
47µH
CON502
1 2 3 4 5 6 7 8 9 10 11 12 13
1 2 3 4 5 6 7 8 9 10 11 12 13
H L + –
A
B
SW1-B
SW5 SW4 SW2 SW3 SW6
TAPE 2
TAPE 2 TAPE 1 TAPE 1 TAPE 1 TAPE 2
DIRECTION
MOTOR
PLAY REC PLAY FF/REW FF/REW
8
Figure 11 SCHEMATIC DIAGRAM (2/2)
IC302, IC303: VOLTAGE
PIN 1 2 3 4 5
LED OFF 10.7 V 10.7 V 10.7 V 10.7 V 0 V
2.1 V 2.1 V 2.1 V 2.1 V 0 V
LED ON
GRAPHIC EQUALIZER
VR305-A VR304-A VR303-A VR302-A
C305
100K(B) 50K(B) 100K(B) 100K(B)
1/50
(10kHz) (100Hz) (500Hz) (1kHz)
R309
1K
C301
C307 C311 C315
2.2/50
1/50 0.33/50 0.1
+B
23 21 18 17 15 13 11 9 7 5
IC301
BA3822LS
GRAPHIC EQUALIZER
24 22 20 19 16 14 12 10 8 6
C302
2.2/50
C309 C317
C313
C324
0.018 0.33/50
0.1(ML)
4.7/50
C306
1/50
VR305-B
VR301-B VR302-B VR303-B
100K(B)
C304 50K(B) 100K(B) 100K(B)
R310
0.022
(10kHz) (5kHz) (1kHz) (500Hz)
1K
X-BASS
GRAPHIC EQUALIZER
ON OFF
R333
1K
SW401
SURROUND
MIC MUTE
C419
R421
2.2/50
1K
L_IN
R415
3.3K
C417
0.001
C413
0.001
C415
0.15(ML)
C418
R432
R419
0.001
15K
3.3K
R_IN
R420
R422 C420
3.3K
1K 2.2/50
C416
0.15(ML)
C414
R416
0.001
3.3K
R433 +B
D401
15K
1N4148
IC403
CD/LINE
(ON)
RADIO
+B (ON) +B
OUT IN
1
GND TAPE
(STAND-BY)
2
SW501-B
FUNCTION
SELECTOR
C501
33/50
+B
IC404
L7809CV
+B
OUT IN
3 1
GND
C515
2
C511
1/50
47/16
VOLTAGE
REGULATOR
M
M1
TAPE
9 10
– 11 –
6 7 8 9
10.7 V 0 V 0 V 7 V
METER DRIVER
2.1 V 2.4 V 0 V 7 V
9 8 7
+B
R314
120
X-BASS
VR301-A
C329
50K(B)
10/16
(5kHz)
+B
C319
0.018
R313
METER DRIVER
3 1
10K
9 8 7
R329
120
4 2
C321
1/50
R312
3.3K
R302
10K
Q302
KTC3875 GR
VR304-B
50K(B)
(100Hz)
LD313
R319
330
VOLUME VOLUME
VR401-B
VR401-A
50K(B) 50K(B)
+B
CN205B
1 7 2 3 5 6 4
1 7 2 3 5 6 4
CN205A
R429 C429
220 10/16 R_OUT
C430
R430 10/16
220
IC402
LA4663 L_OUT
POWER AMP.
C425 R425
0.1(ML) 2.2
+OUT1
2 14
0V
6.9V
13
0V
6 0V
-OUT1
12
C427 R427
6.9V
0.1(ML) 2.2
3 0V
C426
+OUT2 0.1(ML)
R_OUT
9
1 6.9V
R426
C424
2.2
14.2V
47/25
0V 10
-OUT2
4 0V 11
C428 R428
6.9V
0.1(ML) 2.2
5 7 8
C422
0.022
+B
AC 110-127 V
+B
1 1
SELECTOR
2 2
AC 220-240 V
F601
T4A L 250V
+B
POWER PWB-B
BATTERY A
PWB-A4
11
WF-2100W
IC302
LB1403N
6 5 4 3 2 1
+B
IC303
LB1403N
6 5 4 3 2 1
R323
10K
+B +B
GRAPHIC EQUALIZER
PWB-A2
–
SUPER

TWEETER

+
+
TWEETER
8 OHM
–
+
WOOFER
16 OHM
–
+
WOOFER
16 OHM
+
–
L-CH
–
–
R-CH
+
–
WOOFER
16 OHM
+
–
WOOFER
16 OHM
+
–
TWEETER
8 OHM
+
–
SUPER
TWEETER
+
SW601
VOLTAGE
AC POWER
SUPPLY CORD
T601
POWER
TRANSFORMER
AC 110-127V/
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