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VHF FUNCTIONAL BLOCK DIAGRAM
(COAXIAL
CABLE)
RX
FRONT
END
DOUBLE
RX
(COAXIAL
CABLE)
350
Nll
lF
AMP
P
RESELECTOR
450
KHZ
CER AMI
C
FILTERS
FL
30r,302
(COAXIAL
CABLE)
P364r
I
NJ
ECTI
ON
F
I
LTER
IF
/DET
SQUELCH
IC
u30t
4
POLE
XTAL
FILTER
Y350
P364?
P,/O
P60l
REF
OSC
u600
RX
BUFFER
Q3675
2ND
LOCAL
OSCI
LLATOR
(zND
VCO)
Q60l
TX
BUFFER
Q36
76
VCO FEED
BACK
J5OOA
J5OOA
IC
PROG
BUS
PWR
CONTROL/
REGULATOR
u
500
SIGNALLING
FILTER
IC
u700
MEMORY
MODULE
ROM
u59
t,/
u593
EEPR OM
u592
SERIAL
BUS
I
NTERFACE
u5?2
AUDIO
PA
u450
f,ER
AMPLIFIER
CONTROL
UNIT (DASH
MOUNT)
(A5/A7
M0DELI
INTERNAL
CASTING
P50
--1
I
l---FoR
43
MoDELS
coNTRoL
UNtT
'
AND MICROPHONE
IS
REPLACED
I
ev
HANDHELD
coNTRoL
HEAD
tN
I
eotFr
DASH
AND
REMoTE
MoUNT
r
CONFIGLJRATIONS
I
I
I
I
I
I
I
J
(COAXIAL
CABLE)
t
V
J50
J5Oi
R
I
BBON
ACCES
SORY
CABLE
REMOTE
MOUNT
CONTROL CABLE
J502
P50
2
I
NTERCONNECT
BOARD
t-
I
MI
CR OP
H
ONE
CONNECTOR
Jt04
trUOTE
IODEL]
SERIAL
BUS
I
NTERFACE
U4
MOUNN
GXW-58C
Functional Block
D
A3
Model Radio (VHl
P
(sl
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