Icom IC-730 - 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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