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LB13
1072
455
KHr
.--l
R
521
AUDIO
LEVEL
VOL
/SOUELCH
HI
;EIVER
cERAt'llc
FILTER
(455KHd
2502
IF
LIM
/FM
DET/
AUDIO
PRE
AMPL
u30?
e!!4
osctttaloRz
MIXER/IF
AMPL
u
50r
FROM CHANNEL
GUARD
A
UDIO
MUTE
GATE
o
605
AUDIO
AMPL
u6
0l
SMI
TTER
POWER CONTROT
0254-
A257
Z
HELICAT
RESO
-
NATORS
t2t4,L2t5
45O
-
47O
MHz
RC4240
Figurel-BlockDiagram
sxclrEn
e-L+
PwR.
AMPL.
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