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Panasonic RF-B45

Panasonic RF-B45
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@
BLOCK
DIAGRAM
RF-B45
RF-B45
03
[|
LWAMW/sw
;
°
RE
AMP
213,01
WEXTANT||
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A3,L22
N=
e
|
TRAP
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u
TELESCOPIC
NTENNA:
COIL
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fama
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?
a
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ni
oe
ii
tst
Mix
FY)
2y
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|
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i
1
LW/MW/SW
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9
9
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LOCAL
SWITCHING
|
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d
it
ose
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ON)
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pe
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?
10
Q11,39
oy
on
BUFFER
BUFFER
AMP
AMP
02
T
LWMW7S
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:
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SELECT
1K)
LW/Mwssw
$
$
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ITCHING
vco
AN7208
(SW:
ON)
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FRONT
END
caleneiinastieestineticntieton.
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|
if
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[mix
}
|
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:
a
2
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:
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=
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|
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b
ct
rd
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SB80734ANDYTI
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Q26~3:
(eM)
48)
(Lw/
Mwssw)
G8)
Q201,
202
{
Low
Pass
FILTER
Lcd
BiSPiay
wcDi
~19—
RESET
SIGNAL
GENERATOR
alieentiaetientiiendientitentionticntitenttensdttents
|
REFERENCE
LEVEL
CONVERTER
REFERENCE
VOLTAGE
UPDI724GB56!
MICROPROCESSOR
(SYSTEM
CONTROL
&
LCD
DRIVE)
KEY
MATRIX
S201
~
223
SWITCHING
CONTROL
cre
—{
BAIO393FT
COMPARATOR
(METER
)
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ble
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(SSB*ON/O
(3)
RESTORATION
CARRIER
1
i
H
BEOO
CLW/
MW
/SW!
1
0
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26
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C19
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|
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/SSB
SELECT)
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t
AMP
.
oreo
=
=[LAM)
020
©
79
3 >
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a
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P
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(FM)
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|
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3
)
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MUTING
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:
|
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012,72,
LI7
$3-2
LW/AW/SW
|
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|
x!
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osc
|
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POWER
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;
r---4
ogo
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2nd
OSC
ta
.
'
FREQ.
Ady
:
|
|
9
COMPARATO!
be
S81230AGRBTI
:
=
EARPHONE
C
PM
DYNAMIC
SPEAKER
3°(8cem,
80)
}
ae
013,14,
713,
U8
bc-DCc
CONVERTER
ABILIZER
ois
ro
ie
1
big
|
oe
=a
7
+g
}
1
ba
i
iy
°
oY
DC
IN
|
if
6V
i
rot
G06
i
BATT.
6V
———e_
ee
ee
----
3-4
-FM
SIGNAL
LINE
'
LW/MW/SW
SIGNAL
LINE
i
MAIN
SIGNAL
LINE
|
LW/MW/SW
2nd
OSC
SIGNAL
LINE]
FM/LW/MW/SW
VCO
OUT
LINE
|
FM/LW/MW/SW
Vcop
IN
LINE
4
~20—
O37
~
POWER
SUPPLY
CONT.

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