Icom IC-730 Maintenance Manual page 68

co
I
U'I
Adjustment
item
Confirming of
current on
each band
(continued)
50W
adjustment
SSB carrier
balancing
adjustment
Adjusting procedures
Measuring
instruments
3) Make sure that total current at 100W
CW does not exceed 19A.
4) Return solder to the initial place.
1) Set S3 of MAIN UNIT to 50W side, and RF
adjust R168 of the MAIN UNIT for wattmeter
SOW.
Confirm that the output power on
other bands is within 40 to 70W range.
2) Then, return S3 to 100W side.
1) Set mode swtich to SSB, SPEECH
PROCESSOR switch (S2 of MAIN
UNIT) to OFF and MIC GAIN control
to minimum.
2) Connect a spectrum analyzer to the
Spectrum
ANT connector and adjust R44 and
analyzer
R45 of DET PCB so that the carrier
leak at LSB and USB becomes mini-
mum.
Measuring location
Adjusting location
Number of
Instrument
adjusting
UNIT
Terminal UNIT Parts
reading
location
Confirming
of current.
CW: 19A in
any band.
Rear ANT MAIN R168 60W
panel
40 to 70W in
the bands other
@]
than 28 MHz.
(S2)
@
Rear ANT DET R44,R45 Confirm that
~
panel
carrier level is
"
between
50
and SO dB below
carrier
(CW 100W) in
any band.
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