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Alignment-------------'----------
Alignment Prepa1'ation
&
Precautions
A 50-Q dummy load and inline wattmeter
must be connected to the main antenna jack in
all procedures that call for transmission, except
where specified otherwise. Correct alignment
is not possible with an antenna.
After completing one step, read the follow-
ing step to determine whether the same test
equipment will be required. If not, remove the
test equipment (except dummy load and watt-
meter, if connected) before proceeding.
Correct alignment requires that the ambient
temperature be the same as that of the trans-
ceiver and test equipment, and that this tern-
perature be held constant between 20 and 30
ac
(68 - 86 °F). When the transceiver is brought-'
into the shop from hot or cold air it should be
allowed some time for thermal equalization
with the environment before alignment.
Whenever possible, alignments should be
made with oscillator shields and circuit boards
firmly affixed in place. Also, the test equip-
ment must be thoroughly warmed up before
beginning.
Note: Signal levels in dB referred to in the
alignment procedure are based on 0
dB~=
0.5
~v.
Circuit Board Locations
MAIN Unit
APC Unit
IF Unit
MIC AMP Unit
MUTE Unit
SRX-1 Unit
VCO Unit
L304
L303
TC1001
TP1001
A Unit
LCD Unit
PLL
&
Transmitter Alignment Points
2 - 4 - - · - - - - - - - - - - - - - - - - - - - - - - - - -
FT-2200 Teclmical Supplement
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