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Motorola Spectra A3 Manual Supplement page 6

Hdnheld control head fm two-way radio

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VHF FUNCTIONAL BLOCK DIAGRAM
ANTENNA
CONNECTOR
POWER
AMPLIFIER
550\fl
='1uF
11-loss)-
J350L,/'
COMMAND
BOARD
OC
POWER
CO\NECTOR
REAR
I
EESSCRY.
CAE-E
I
P2
-l
I
m4.a
:
ImnP4
I
rT-O\LY)
I
lFr -
-r
/\
P502
INTERCONNECT
J
I'
BoARD
A
tros
I
ER
PART
OF
RADIO
FRONT
HOUSING
*o* l
ACCESS
OR
Y
T
CABLE
1
REMOTE
MOUNT
CONTROL CABLE
r
J3
lRElrotr
uour.rt
.
ACCESSORY
I
corHecron
I
J
CONTROL
UNIT
(REMOTE
MOUNN
(A5/47
MoDEL)
I
NTERCONNECT..._
68HCC5Cz
F
CONTROL
UNIT
(DASH
}IOUNT}
{A5/A7
MoDEL)
j
^:
SERIA- 3-S
I
NTER=
A::
I
MI CR OP
HONE
CONNECTOR
.J
t04
RX
FRONT
END
DoUBLE
BALANCE
MIXER
RX
(COAXIAL
CABLE)
P
RES
ELECTOR
(COAXIAL
CABLE)
INJECTION
F
I
LTER
RX
BUFFER
o3
675
(COAXIAL
CABLE)
JO853
RIBBON
ACCES
SORY
CABLE
REAR
ACCESSORY
CONNECTOR
J2
PWR
CONTROL/
REGULATOR
u
500
(COAXIAL
CABLE)
P/O
J6
OI
Y\--:S
RF
BOARD
35o l-\HI
xrA-
=
_-=
SERIA_
:.:
I
NTEq=I::
!3??
MI
CROPHONE
VACUUM
FLUORESCENT
(8
CHARACTER)
uro2
VACUUM
FLUORESCENT
(8
CHARACTER)
ur
02
HI
CROPH ONE
CONNECTOR

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