Schematic Diagram / Wiring Side Of P.w.board - Sharp WF-2100W Service Manual

WF-2100W
A
SW101-C
BAND
TP1
SELECTOR
FM
MW
SW1
SW2
SW101-F
BAND
SELECTOR
VC3
B
VD101
1S2638
SW101-D
C116 R106 BAND
0.022 SELECTOR
100K
C115
R107
C117
5P
100K
0.022
(CH)
R108
10K
C
CON101
1 3 2
1 3 2
CN101
FINE
TUNING
VR101
100K(B)
FINE TUNING R-CH
PWB-A3
L-CH
JK202
LINE INPUT
D
JK201
MIC
R271
1K
MIC1
BUILT-IN
MICROPHONE
GND 1
2
TAPE 2
PLAYBACK HEAD
E
A
SIDE-A
R-CH
SIDE-B
B 3 3
2 2
1 1
A
SIDE-A
L-CH
SIDE-B
B
SW1-A
F
TAPE 2
DIRECTION
TAPE 1
RECORD/PLAYBACK HEAD
5 5
R-CH
4 4
3 3
2 2
L-CH
1 1
ERASE HEAD
G
B
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 8.
1
IC101
LA1186N
FM FRONT END
BAND PASS
FILTER
1 2 3 4 5 6
BP101
1 3
C101
0.001
2
C106
15P(CH)
FM
TRACKING
L102
C102
0.001
R122
C103 C139
10
10/16 0.022
L103
C142
MW BAR ANT.
FM
330P(CH)
MW
C143
SW1
15P
(CH)
TC4
SW2
T101 SW1 ANT.
CT104
10P
C144
CT103
5P(CH)
10P
C112 30P(CH)
T102
SW2 ANT.
FM
TC3
MW
SW1 C111
330P(CH)
VC4
SW2
MW OSC.
C105
T104
8P(CH)
C113
0.0015(ML)
CT102
10P R128
C114
SW1 OSC.
33K
0.0047(ML)
T105
CT101
10P
C118
SW2 OSC.
0.022
R109 22K
R266
R264
4.7K
47K R259
220
C280
R263
R265
1/50
47K
4.7K
MIC AMP.
5 GND
6
7
C243
R273
8 VCC
2.2/50
2.2K
IC202
BA15218F
R274
10K
C248
D212
100P
1N4148
R281
C245
10K C263
220/16 R272
1M
100/16
C281
10/16
R200
C242
4.7K
1/50
C244
10/16
R241 R242 R243
D203
2.2K 560 10K
1N4148
C261 C228 C216
R284
82P 0.0015 2.2/50
47K
L202
R235
47mH
15K
C202 R296
470P 1K
C201
R297
470P
1K
R276
1
1K
R288
1K
24
R289
1K
C203
220P
IC201
R278
1K TA8189N
Q217
RECORD/
KTC3875 GR
PLAYBACK AMP.
R295
4.7K
Q218
R294
KTC3875 GR
3.3K
Q219
R293
KTC3875 GR
3.3K
R292 D219
Q216
KTC3875 GR 4.7K 1N4148
L201 R234
C215
47mH 15K
2.2/50
C227 C226 R287
82P 0.0015 1.8K
T201
C238
SW202-A
0.022(ML)
BEAT
CANCEL
R238
A
BIAS OSC.
33K
C239
C241
0.001(ML)
100/16
2
Figure 10 SCHEMATIC DIAGRAM (1/2)
FM SIGNAL
PLAYBACK SIGNAL
MIC SIGNAL
7 8 9
C140
C109
R103
0.1
C108 R131
5P(CH)
220K
20P(CH) 10K
TC1
FM IF
C137
0.022
T108
R101
100
C138
220/16
T106
SW101-E
BAND
FM DET.
SELECTOR
FM
MW
R105
100
SW1
SW2
24 23 22
1 2 3
CF101
C121
3
1
0.022
2
R110
47
T103
FM
MW
SW1 T107
R111
47
SW2
SW101-A
AM IF
BAND
R112
SELECTOR
47
C119
C120
C122
0.022
10/16
0.022
D201
1N4148
R261 18K
R262 18K
R240
2.2K
4
Q207
SS8550
3
2
1
R254
10K
SW203-A
DUBBING
FM(ST)/HIGH
SPEED
FM(ST)/
NORMAL
FM(MONO)/
MIC
D211
C269 Q212
1N4148
10/16 KTC3875 GR
D202
1N4148
Q204
KTC3875 GR
C210
0.033
R247
(ML)
390
R204
R520
C218
4.7K
10/16
56K
R210
180K
C206 C267
330P
220P
2 3 4 5 6 7 8 9 10 11
IC201
23 22 21 20 19 18 17 16 15 14
R205
180K
R209
180K
R257
150
R521
R203
C217
56K
4.7K
10/16
C209
0.033
R201
(ML)
47
C213
2.2/50
+B
D218
1N4148
SS8550
R286
47K
R277
33K
R239
R282
10
10K
3 4
– 10 –
MW/SW1/SW2 SIGNAL
RECORD SIGNAL
CD/LINE SIGNAL fH CT104
SW1
TRACKING
fL T101
R104
820K fH CT103
SW2
TRACKING
fL T102
C110
0.022
C136
C134
0.0022
470P
(ML)
R118
100K
21 20 19 18 17 16 15 14 13
IC102
FM/AM IF MPX.
4 5 6 7 8 9 10 11 12
C125
0.0082
R117
C126
10
0.0082
CF102
C129
1/50
3
1
2
R125
100K
CD/LINE_IN(R)
CD/LINE_IN(L)
MIC_OUT(R)
MIC_OUT(L)
R285
C249 C250 C251
22K
100/16 100/16 100/16
R255
4.7K
R256 R283
22K 10K
C257
47/16
L203
2.7mH
C220
0.001
C222
2.2/50
R251
3.3K
12
R250
13
3.3K
C221
2.2/50 +B
C219
0.001
L204
2.7mH
+B
Q213
R226
10K
R280
C288
56K
330/16
R511
10K
D215
1N4148
R512
10K
D216
1N4148
5
fH CT102
SW1 BAND MW
COVERAGE TRACKING
fL T104
fH CT101
SW2 BAND MW BAND
COVERAGE COVERAGE
fL T105
SW501-
FUNCTIO
SELECTO
VCO
CD/LINE
(ON)
VR102
10K(B)
RADIO
(ON)
SW203-B
TAPE
DUBBING FM(ST)/
(STAND-BY)
SPEED HIGH
FM(ST)/
NORMAL
S
FU
FM(MONO)/
CD/LINE SE
MIC
TP5 (ON)
RADIO
IC102 (ON)
LA1805
TAPE
(STAND-BY
SW101-B
BAND SELECTOR
FM
MW
SW1
SW2
C130
0.022
R126
100
SW501-A
CD/LINE FUNCTION
(ON) SELECTOR
RADIO
(ON)
TAPE
(STAND-BY)
D509
1N4148
R229 D510
2.2K 1N4148
D213
1N4148
R245
10K
R524
4.7K
R223
12K
R218
100K
R216
1.2K
R215
1.2K
R217
100K
R222
12K
C509
100/16
R514
R510
10K
100K
Q504
SS8550
R509
330
VR501
500(B)
TAPE
SPEED
6