PANASONIC RF-2400 Schematic
TELESCOPIC
ANTENNA
MAIN CIRCUIT
A
3
VC1-4
CT4
1
L1
IC1
CXA1619BS
TV/FM/AM FRONT END,
IF AMP,DET,AGC&
AF POWER AMP
S1-1
(BAND)
FM AM
C4
100P
3
2
1
R1
820
:POSITIVE VOLTAGELINE :FM SIGNAL LINE :AM SIGNAL LINE
L3
C25
1000P
C8
C5
22P
330
8.2P
4
2
L2
L6
C1
47P
(0.2V)
1.5V
15
14 13 12 11 10 9 8 7 6 5 4 3 2 1
FM/AM
BAND
SELECT
16 17 18 19 20 21 22 23 24 25 26 27 28
1.4V
0V 7V 0.9V 1.4V1.4V
(0V)
C3
T2
R2
0.015
CF2
6
4
3
1
2
CF1
3
1
2
VC1-2
C2
5.6P
(0V)
FM IF
(0V)
CT2
NC
NC IF GND
W
W3
W
L4
TUNING
METER
C26
16V10
R
R
C9
18P
C10
C7
16V10
D
18P
VC1-1
FM FE
FM
DISCRIMINATOR
AM FE
AM IF DET AGC
(1.4V) (1.2V) (0.8V)
C15
50V1
AC IN CIRCUIT
L5
R4
RIPPLE
FILTER
C18
16V33
6.3V470
T3
4
6
C13
C14
AF POWER AMP
C19
1.2K
1.3V
1.1V 0V 6.4V 7.1V 3.6V
C17
50V1
0.018
R6
3.3K
R5
330
C29
2.7P
CT1
C16
15P
50V4.7
3.6V0.5V1.3V1.3V1.3V1.3V1.3V0.3V
Vcc
L8
1
2
3
1
2
3
(6.5V)
6V
C21
0.022
S1-2
(POWER)
ON OFF
W2
R
R
W101
VC1-3
T1
GND
29 30
C22
1000
W
W
C20
CT3
GND
6.3V470
50V2.2
C6
0.022
C11
2.7P
4
6
C23
C12
C24
0.022
16V33
VR1
(VOL)
R3
1.5K
2
3
1
W1
10K(B)
JK1
EARPHONE
8
MONAURAL
3.5mm
SPEAKER
10cm 4
LED1
HFR365P
(TUNING)
LED CIRCUIT
B
DC AC
R
W102
R
4 R6/LR6(UM-3)
BATTERIES 6V
D101
D102
0.01
D103
C101
RVD1SR139TA
0.01
C102
RVD1SR139TA
W
W
C103
RVD1SR139TA
D104
C104
RVD1SR139TA
BATTERY TERMINAL CIRCUIT
C
0.01
0.01
AC
6.1V
F1
T250mA
T101
L101
L102
JK101
AC IN
230-240V 50Hz [EB]
230V 50Hz [EG,EJ]
A
B
C
DE
F
1
MAIN P.C.B.
A
TELESCOPIC
ANTENNA
L2
C8
VC1-2
VC1-1
R4
L5
C24
J
C5
4
J
CT2
CT1
C29
T1
231
6
L6
VR1
C18
(VOL)
R3
J
J
IC1
C4
T2
R1
16
R2
17
18
19
20
21
22
23
C16
24
25
26
C17
27
28
29
30
C19
C22
C6
C25
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C14
C13
C11
L1
C2
L4
CT4
CT3
C10
T3
16
2
3
C1
J
VC1-4
VC1-3
C9
J
4
J
2
3
POWER/BAND
J
J
S1
4
3
L3
2
1
J
4
C12
231
4
231
CF2
231
L8
W2
R
C3
6
CF1
W
EARPHONE
1
2
3
JK1
C26
C7
C15
W3
W
R6
R
R5
J
C23
C21
C20
LED P.C.B.
B
J
LED1(TUNING)
R
W
W1
SPEAKER
10cm 4
BATTERY TERMINAL
C
P.C.B.
5
W102
J
R
J
4 R6/LR6(UM-3)
W
BATTERIES 6V
6
C101
D101
7
8
C102
D102
C103
D103
C104
D104
REPW0009D
REPW0009E
F1 T250mA
.....
[EB,EG]
.....
[EJ]
R
W102
FH101FH102
W
230-240V 50Hz
230V 50Hz
AC
DC
JK101
AC IN
.....
W101
.....
W
[EB]
[EG,EJ]
R
T101
L101
(POWER TRANSFORMER)
L102
AC IN P.C.B.
D
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