Y39-2930-11
RXD-251/301/351/371S/A3
A
1
2
3
4
5
6
7
B
C
D
E
F
G
I
K
M
O
H
J
L
N
TUNER UNIT RXD-351(J,X1,Y1,M1), RXD-A3(K1,P1), RXD-251(X2,M3), RXD-371S(M2)
IC102
IC201
IC101
RXD-371S(M2) (1/5)
RXD-251(X2,M3) (1/5)
RXD-A3(K1,P1) (1/5)
RXD-351(J,X1,Y1,M1) (1/5)
+B
CANADA
U.S.A.
P1
K1
COUNTRY
DESTINATION
AUSTRALIA
GENERAL MARKET
JAPAN
PX
M1
X1
J
Y1
NO
MTZ5.6B
ABB.
H,J
A,D,E,
D110
YES
F,I
B,C,
YES
G
NO
YES
D111,
112
C100A,147,
YES
221-223
2.2P
C110
470P
C116
0.015 1u50
C143
C171
0.1
C166,
NO
216,217
R115
22
1/2W
R130
150
3.3K
R134
NO
219
R150,
NO
R151
YES
R220
DESTINATION
COUNTRY
C143
1u50
D111,
YES
NO
MTZ5.6B
YES
B,C,
ABB.
F,I
G,H,J
A,D,E,
D110
112
0.022
YES
2.2P
470P
C100A,147,
221-223
C110
C116
NO
NO
22
3.3K
150
1/2W
NO
R115
R134
R130
219
R150,
YES
R220
R151
COUNTRY
DESTINATION
R150,
C100A,147,
A,D,E,
B,C,
D111,
1u50
C143
YES
NO
ABB. G,H,J
F,I
YES
MTZ5.6B
D110
112
2.2P
YES
221-223
C110
470P
0.015
C116
NO
22
R115
NO
3.3K
1/2W
R134
150
R130
219
YES
R220
R151
AUSTRALIA
X2
GENERAL MARKET
M3
GENERAL MARKET
DESTINATION
COUNTRY
C143
3.3u50
D111,
NO
B,C,
M2
YES
ABB.
F,I
G,H,J
A,D,E,
MTZ6.2B
NO
D110
112
NO
4.7P
221-223
C100A,147,
C110
0.015
10P
C116
YES
27P
0.022
47
214
C213,
C171
R115
100
10
1/2W
YES
R134
R130
219
R150,
NO
R220
R151
X3
AUSTRALIA
C117
20P
C130,
131
24P
C213,
214
2.2K
R161
20P
C117
C130,
131
C166,
216,217
0.1
C171
24P
214
C213,
R161
2.2K
JUMPER
YES
JUMPER
YES
20P
C117
131
C130,
24P
NO
0.1
C213,
214
216,217
C166,
C171
2.2K
R161
YES
JUMPER
C130,
131
C117
5.6P
C166,
YES
216,217
R161
4.7K
JUMPER
NO
NO
Q110,
111
Q110,
111
NO
111
NO
Q110,
Q110,
2SC2878A
111
DTC114YS
G
NO
YES
RXD-301/351
RXD-A3
RXD-251
RXD-371S
+B LINE
VCC
STEREO
IF
FM
GND
REG
DRIVE
TUNING
COMP
BUFF
FM
DET
IF
FM
AM
AM/
FM
SW
OSC
AM
LEVEL
DET
BUFF
ALC
AGC
AM/
S-CURVE
FM
IF
AM
DET
AM
AM
MIX
RF.AGC
AM
MUTE
PHASE DET
VCO
PILOT
DET
STEREO
FF
FF
FF
DRIVE
TRIG
SW
DECODER
470
R1
19
3.3K
R120
20P
C124
1K
R21
1
4.7K
R210
100P
C209
100P
C210
C214
C213
20P
C1
17
470P
C116
10P
TC102
1
75 OHM
GND 2
3
GND
(MW/SW)
4
L104
L105
CF104
CF103
T102
1
2
3
4
5
6
X201
7.2MHz
DI
CE
X IN
OUT0
SYC
DO
CL
IN1
IN0
OUT2
OUT1
OUT3
DIVIDER
SHIFT REGISTER LATCH
2
1
PROGRAMMABLE
12bit
1/16, 1/17 4bit
SWALLOW COUNTER
COUNTER
UNIVERSAL
CHARGE PUMP
PHASE DETECTOR
DIVIDER
REFERENCE
X OUT
VSS
PD2
FM IN
VDD
PD1
AM IN
OUT6
OUT5
LCTR
HCTR
OUT4
3
2
1
6
5
4
1
2
4
5
3
6
FM
C131
47mH
L107
C151
1500P
47mH
L108
C152
1500P
1u50
C129
+
2
1
TP1
CF105
1000P
0.01
C134
4.7K
1000P
4.7K
1000P
21
18
16
14
13
15
17
19
20
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
0.47u50
C137
+
3.3K
R122
3.3u50
C135
+
0.022
R134
8.2K
R123
0.022
0.047
10u50
+
R118
100
15P
2.2u50
C122
+
1u50
C123
+
C119
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
47u16
+
0.01
56P
C145
6.8K
C144
0.01
C143
+
2.2K
R133
L203
47uH
0.022
C153
R212
22u16
+
0.022
C160
100u16
C1
18
+
R138
4.7K
C217 0.022
R140
C147 0.022
100u16
C140
+
0.022
C139
1K
R131
100u16
C142
C141 0.022
+
3
2
4
Q107,108
1
3
2
4
6
5
100K
R114
100K
R1
13
0.1
C1
14
1000P
1K
R145
2
TP2
1
GND
VT
R104
100
CF101
6.8K
R107
R106 1.5K
0.022
C107
R105
1K
R108 330
0.022
C108
CF102
ST IND
Lch
GND
Rch
DO
CLK
CE
+12V
2
1
4
DI
3
5
6
8
7
9
MUTE
10
5
4
3
2
5
12
3.6K
C133
R129
C132
R128
100P
C21
1
R146
1000P
R121
3.3K
1u50
+
1u50
+
15K
R149
C223 220P
C222 220P
C221 220P
R217
1K
R216
1K
R218
1K
C171
R161
10K
0.01
C150
0.1
C166
RFI N
BYP
AS
MIX IN
AFC GND
GND
IF OUT
AFC
OSC
VCC
1
2
3
4
5
6
7
8
9
TC101 10P
0.022
C104
1K
R102
100K
R101
L102
T101
1
2
3
6
5
4
6
5
4
1
2
3
22
R103
18P
C105
33K
R110
C110
R
111
1K
100K
R109
56P
C
111
L103
0.1
C100A
100P
C112
2
3
1
4
5
L101
1000P
C101
100P
C155
R214
0.022
C106
R112
100
AM
FM
BAND
HF
LF
HF
LF
QUENCY
FRE-
7.3V
1.1V
7.0V
1.2V
VOLTAGE
VT
4
3
TC102
2
1
L104
5
10P
6
L201
3
2
4
1
5
C169
0.022
47mH
L106
0.01
C164
2.2M
R208
100K
R1
14
100K
R1
13
100K
R154
0.022
C165
0.022
C166
1K
1/4W
R153
3
4
2
1
L105
6
5
10
R157
20P
C1
17
47K
R156
2.2M
R155
470P
C167
C202
4700P
2.2M
R209
R158
4.7K
1/4W
3
4
L202
1
2
6
5
10
R204
4.7K
R162
C201
560P
R201
1K
TC201 10P
R100
4.7K
R202
4.7K
47mH
L204
4.7K
R205
4.7K
R203
0.022
C204
4.7K
R207
C170 0.01
4.7K
R160
47uH
L205
47u16
C205
+
A
B
JUMPER
10P
C116
470
R151
R150
2.2M
JUMPER
C128
C138
IF
GND
C130
6800P
C164
C165 6800P
C174 6800P
6800P
C175
C215
C162
C161
R126
3.3K
R127
3.3K
C157
100 1/4W
C121
1u50
C125
+
10K
C208
C207
R206
4.7
1/4W
R1
15
10K
R213
R130
1/4W
C126
C149
C127
10 1/4W
R219
R220
10 1/4W
220P
C220
0.022
C212
100P
C212
12
1000P
C102
R132
GND LINE
SIGNAL LINE
I
J
C216 0.022
AM
-CN101
AUDIO
4/5
+B
+5V
+5V
+B
+5V
+B
+B
+5V
+5V
+B
+5V
+12V
+B
+B
+B
+B
+12V
+5V
+5V
+5V
+5V
+12V
+B
+B
+12V
+B
+B
+12V
+B
+12V
+12V
2.1V
(5.0V)
4.4V
2.4V
(3.6V)
4.5V
(5.0V)
3.4V
(1.4V)
3.3V
(0V)
2.1V
2.1V
TUNED: 0V
MONO: 4.7V
ST: 0V
4.3V
(5.0V)
(3.7V)
2.9V
2.1V
(1.1V)
2.1V
(1.9V)
1.5V
(1.1V)
2.7V
(0.6V)
2.0V
2.1V
1.3V
1.3V
0V
(2.5V)
0V
(0V)
2.3V
(5.5V)
0V
0V
0V
3.3V (0V)
4.1V
2.1V
2.0V
0V
0V
0V
OFF: 2.3V
MUTE
ON: 0V
OFF: 0V
MUTE
ON: 4.5V
MONO: 0V
ST: 3.2V
11.5V
11.5V
1.0V
5.0V
(5.6V)
5.0V
(5.5V)
1.3V
(0V)
5.0V
1.0V
0.6V
0.7V
2.4V
0.1V
0.7V
3.8V
4.1V
4.5V(5.0V)
ANTENNA
JK101
D101
D102
AM ANT
COIL
MW OSC
COIL
AM IFT
AM/FM
/MPX
SYSTEM
IC
PLL
IC102
IC201
Q101
Q105
Q106
Q107,108
Q109,115,116
D101,102,105,111,112,202
: 2SK161(GR)
: DTC114YS
: 2SC945(Q)
: LC7218
: DTA114YS
: 2SC1675(L)
: LA1831
: 1SS133
Q108
Q107
Q109
Q105
D202
D1
10
Q106
MUTE
CONTROL
L.P.F
AM RF
AMP
D108
D1
12
D
111
Q101
IF
AMP
CN101
D106
FM RF
COIL
D105
(1/2)
FM IFT
FM OSC
IC101
: LA1186N
Q102
: 2SC1674(L)
Q102
RF AMP
COIL
F
AM ANT
COIL
(2/2)
D106
D108
D108
(2/2)
(1/2)
Q110
COIL
MW OSC
Q111
Q112
Q202
COIL
SW ANT
Q114
Q100
Q203
COIL
SW OSC
Q204
Q201
Q113
Q110
Q111
G
Q116
Q115
H
E
D
C
COIL
FM ANT
Q113,201
Q100,114
Q112,202-204
: DTA144ES
: 2SC2001(L)
: 2SC2878A
D110
D106
D108
: KV1581A
:
: KV1340A
:
Q110,111
A
CAUTION: For continued safety, replace safety critical components only with manu-
facturer's recommended parts (refer to parts list). indicates safety critical compo-
nents. For continued protection against risk of fire, replace only with same type and
rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance
measurements shall be carried out (exposed parts are acceptably insulated from
the supply circuit) before the appliance is returned to the customer.
MODE
CARRIER
MODULATION
ANT INPUT
FREQUENCY
DEVIATION
FM
98MHz
1kHz
STEREO 67.5kHz 7.5kHz(Pilot)
60dB
AM
1000(999)kHz
400Hz
MONO 30% MOD
60dB
The DC voltage is an actual reading measured with a high impedance type volt-
meter as the AM/FM signal generator is specified to the conditions as shown in the
list below. The measurement value may vary depending on the measuring instru-
ments used or on the product.
The value shown in (
) is actual reading mea-
sured in the AM mode.
Содержание RXD-251
Страница 5: ...RXD 251 301 351 371S A3 5 CONTROLS ...
Страница 16: ...251 301 351 371S A3 PARTS DESCRIPTIONS ...
