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WF-1000W
FM SIGNAL
CF1
FM BAND PASS
FILTER
1 2 3
0.7V
FM/SW
1
ROD
A
ANTENNA
1.5V
SW1-A
FM
C5
BAND
0.001
SELECTOR
MW
SW1
FM
TRACKING
SW2
C4
D1
24P
L2
DS1SS133
(CH)
B
C7
SW1-B
0.0047
BAND
SELECTOR
FM
MW
SW1
TC4
SW2
VC4
TC6
SW1-C
C
BAND
FM
SELECTOR
MW
SW1
SW2
TC8
L-CH
R353
R351
2.2K
47K
SO351
CD/LINE
R354
2.2K
R-CH
D
R352
47K
Q151
KTC3199 GR
C155
MIC AMP.
1/50
J151
MIC
R153
IN
220K
C153
R152
0.01
560
(ML)
C152
10/16
E
C151
MIC151
0.33/50
BUILT-IN
MICROPHONE
R151
2.2K
CONDENSER
MIC
C131
120P
TAPE2
PLAYBACK HEAD
F
1
1
L-CH
2
2
3
3
R-CH
R
SW101-D
TAPE1
SW101-B
RECORD/
PLAYBACK HEAD
R
C134
1
1
L-CH
150P
2
2
3
3
R-CH
G
4
4
C132
120P
L104
ERASE HEAD
22mH
SW102
C305
BEAT
0.0015
(ML)
CANCEL
C
B
A
C307
C306
150P
390P
MAIN PWB-A1/VOLUME PWB-A3/FINE TUNING PWB-A4
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 7.
1
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MW/SW1/SW2 SIGNAL
PLAYBACK SIGNAL
IC1 TA7358AP
R4
FM FRONT END
7
330K
C12
RF AMP
IC1 TA7358AP
5.0V
3P(CH)
1.4V
5.8V
2
3
5.8V
4
9
8
5
6
5.7V
0V
5.8V
R2
33
C2
C10
5P(CH)
15P(CH)
TC1
C11
TC2
L1
22P
(CH)
R3
R1
47
10
C6
C8
L9
C9
0.0047
0.022
0.022
FM IF
L3
MW
SW1-D
FM
BAND SELECTOR
MW
SW1
SW2
C19
SW1-E
300P
BAND
FM
(P.P)
SELECTOR
C14
MW
5P(CH)
SW1
L4
SW1
SW2
C20
L3,L4: MW/SW1
1500P
TC9
BAR ANTENNA
(P.P)
FINE
TUNING
VC3
C27
L5
C15
0.0047
SW2 ANTENNA
0.022
(P.P)
R166
560
R162
R160
C157
R167
47K
4.7K
1/50
10K
3.2V
1.3V
MIC AMP.
0V(3.4V)
0.6V
0V(0V)
C156
0.7V
R155
47/16
39K
0V
Q152
1.3V
0V(0V)
KTC3199 GR
R169
MIC AMP.
R157
10K
C154
R156
47K
R161
10/16
1K
330
OTHER:NORMAL
R154
( ): HIGH
560
+B
R173
(0V)
10K
(0.6V)
R135
0V
15K
( ): RECORD
R103
L103
C113
C101
56K
4.7/50
22mH
470P
R109
C111
4.7K
0.033
(ML)
R107
C105
5.6K
330P
R105
180K
C107
330P
24
23
22
20
21
CH2/A
CH2/B
NF
MATAL
PRE
OUT
OUT
IC101
RECORD/PLAYBACK AMP. TA8189N
PRE
MATAL
CH1/A
CH1/B
NF
OUT
OUT
1
2
3
4
5
C108
330P
R106
P
R
P
180K
SW101-C
C106
SW101
C110
R108
330P
RECORD/
10/16
5.6K
SW101-A
PLAYBACK
C112
P
R
P
0.033
R110
(ML)
4.7K
C102
R104
470P
56K
C104
R102
820P
56
R136
15K
L301
BIAS OSC.
Q301
R302
KTC3203 Y
100
(5.5V)
R306
R305
47
27K
(0.7V)
BIAS OSC.
SW101-E
C303
(0.1V)
RECORD/
0.0056
C304
PLAYBACK
(ML)
0.022
C302
R303
0.0022
100
(ML)
( ): RECORD
2
3
Figure 8 SCHEMATIC DIAGRAM (1/2)
RECORD SIGNAL
R7
+B
820K
C13
C22
0.022
0.022
C31
0.0047
(ML)
FM
C18
DETECTION
10/16
R9
C17
12K
0.022
R8
R5
3.9K
C32
100
0.0082
(ML)
L10
24
23
22
21
20
19
18
AM
STB
AM RF
+B
FM DET
AM OUT
OSC
IF AD
IC2
FM/AM IF MPX. LA1805
FM IF
IN
AM MIX
AM IF
GND
AGC
1
2
3
4
5
6
L11
C24
1
3
0.022
1
3
AM IF
2
C25
2
CF3
0.022
455kHz
CF2
AM IF
10.7MHz
FM IF
FM
L6
MW OSC.
MW
SW1
C21
TC3
5P
SW2
C30
(UJ)
0.022
SW1-F
BAND
SELECTOR
L7
SW1 OSC.
FM
TC5
MW
R10
47
SW1
L8
SW2 OSC.
SW2
SW1-G
BAND
R11
SELECTOR
47
TC7
C26
0.022
C43
220P
SW101-F
RECORD/PLAYBACK
D151
P
R
DS1SS133
SW103
C158
DUBBING SPEED/
4.7/50
MIC
HIGH
R168
10K
NORMAL
MIC
R172
10K
D158
SW103-A
DS1SS133
D152
DS1SS133
+B
R100
D101
C160
150
DS1SS133
22/16
R115
C119
2.2K
R117
0.015
L101
330K
(ML)
2.7mH
C128
C115
4.7/50
R119
2.2/50
390
C123
C117
C125
0.0015
10/16
4.7/50
C121
R113
330P
180K
17
16
15
14
13
19
18
A/B
VCC
REC
REC NF
ALC
OUT
C130
REC
MIX
REC
22/16
OUT
GND1
M/N
REC IN
GND
OUT
NF
6
7
8
9
10
11
12
C129
R114
C122
22/16
180K
330P
R122
C126
10K
C124
C118
4.7/50
C116
R120
0.0015
10/16
4.7/50
390
R123
10K
L102
C120
R116
R118
R124
0.015
2.7mH
2.2K
C114
330K
10K
(ML)
4.7/50
+B
R301
R
100
IC101 : VOLTAGE
P
PIN
1
2
3
4
5
PLAY
0V
0V
1.3V
1.3V
1.4V
1.4V
REC
0V
0V
1.3V
1.3V
1.4V
1.4V
PIN
13
14
15
16
17
18
PLAY
0.9V
0V
1.3V
2.1V
1.4V
5.2V
REC
0.9V
0V
1.3V
2.1V
1.5V
5.2V
4
– 8 –
SW103-B
FM MODE
FM STEREO
FM MONO
VR1
C34
10K(B)
470P
R14
VCO
100K
C33
C36
R19
3.3/50
1500P
15K
(P.P)
C35
3.3/50
17
16
15
14
13 12
TP1
VCO
MPX
MO/ST
VCO
76kHz
IN
L-CH
R-CH
AM/FM
7
8
9
10
11
+B
C38
C41
0.012
C37
1/50
(ML)
0.012
(ML)
C39
C40
R20
1/50
1/50
R12
10
1K
R16
R15
10K
10K
+B
R13
100
R17
R18
2.7K
2.7K
CD/LINE
L-CH
TUNER
TAPE
FM
SW1-H
SW501-A
BAND
FUNCTION
MW
SELECTOR
SELECTOR
SW1
C42
SW2
CD/LINE
0.022
R-CH
TUNER
TAPE
SW501-B
FUNCTION
SELECTOR
CD/LINE
+B
TUNER
TAPE
SW501-C
FUNCTION
SELECTOR
C159
4.7/50
R177
D162
1K
DS1SS133
R174
D159
22K
DS1SS133
C135
R111
0.0027
22K
(ML)
R127
47K
R129
22K
R133
82K
R131
4.7K
R130
22K
R132
R134
4.7K
82K
C136
0.0027
(ML)
R128
R112
47K
22K
+B
6
7
8
9
10
11
12
0V
0V
2.1V
1.3V
0V
0V
0V
0V
2.1V
1.3V
0V
0V
19
20
21
22
23
24
2.1V
1.4V
1.3V
1.3V
0V
0V
0V
1.4V
1.3V
1.3V
0V
0V
5
6
R183
330K
C181
1/50
R181
1K
C182
1/50
R184
R182
330K
1K
+B
+B
R511
10K
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