Advertisement
(COAXIAL
CABLE)
IBBON
fSSORY
:ABLE
RX
FRONT
END
DoUBLE
BALANCE
MIXER
RX
(COAXIAL
CABLE)
J
5OOB
PRESELECTOR
45O
KHZ
CERAMIC
FILTERS
FL
301, 302
4
POLE
XTAL
FILTER
Y350
IF
/DET
SQUELCH
IC
u
50l
2ND
LOCAL
OS
C
I
LLATOR
(zND
VCO)
Q60l
TX
BUFFER
036 76
RX
BUFFER
o3675
DIVIDER
u3676
SYNTHES
I
ZER
tc
u602
COMMAND
BOARD
J
5OOA
IC
PROG BUS
SIGNALLING
FILTER
IC
u700
MEMORY
MODULE
EEPR OM
u592
SERIAL
BUS
I
NTERFACE
u5?2
AUDIO
PA
u
450
VHF FUNCTIONAL BLOCK DIAGRAM
P
3tO2
OAXIAL
CABLE)
P564t
COAXIAL
CABLE)
IE
MOUNT
ERFACE
OAR
D
tDt0
IONT
ECTOR
'UNT
:ABLE
I
MI CR
OPH ONE
CONNECTOR
Jto4,
,Pto
I
NTER
CONNECT
BOARD
CONTROL
UNIT (DASH
MOUNT)
t.A5/
A7
M0DEL)
--1
I
|-ron
43
MoDELS
coNTRoL
uNrr
AND MICROPHONE
IS
REPLACED
I
av
HANDHELD
coNTRoL
HEAD
rN
I
BOTH DASH
AND REMOTE
MOUNT
I
coNFIGURATI0NS
I
I
I
I
I
I
J
INTERNAL
CASTING
J5OOB
4\
J
Psoo
J
5OOA
J
502
P
502
MI
CROPHONE
GXW-580r-A
Functional Block Diagrams for
A3
Model Radio (VHF and
UHF)
PW4193-O
(Sheet
1
ot
2)
1/1
5/89
Advertisement
