Transmitter Adjustment - Icom IC-730 Maintenance Manual

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8 - 4 TRANSMITTER ADJUSTMENT
Adjustment
Adjusting procedures
item
SWR meter 1) Set the mode switch to CW, band switch
adjustment
to 14 MH.z and meter to RF.
2) Connect 5O-ohms dummy Load or RF
wattmeter to the ANT connector.
3) Rotate R82 of MAIN UNIT and RF
POWER Control fully clockwise.
4) Set Sl of MAIN UNIT to SWR.
5) Adjust C31 of FILTER PCB so that the
meter deflection becomes minimum in
transmit mode.
ALC 1) Set the mode switch to CW and band
adjustment switch to 14 MHz.
2) Set Sl of MAIN UNIT to RF POWER
side.
Rotate RF POWER control on the
front panel fully clockwise.
3) Connect 5O-ohms wattmeter to the
ANT connector.
4) Set meter switch on the front panel to
ALCside.
5) Ground the KEY terminal on the rear
panel.
. , v .
Measuring location
Adjusting location
Number of
Instrument
adjusting
Measuring
UNIT
Terminal UNIT Parts
reading
location
instruments
5O-ohms Rear ANT
dummy panel
(R82)
3
Load or RF
(Sl )
wattmeter
FILTER C31
Minimum
~
meter
deflection.
(Sl )
@
RF Rear ANT
wattmeter panel.
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