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Icom IC-730 - Page 69

Icom IC-730
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00
I
Adjustment
item
Speech
processor
adjustment
RF
meter
adjustment
APC
check
Adjusting procedures
Measuring
instruments
1)
Set mode switch
to
SSB
or AM.
2)
Connect
an
AF
oscillator
to
MIC
AF
connector.
oscillator
Oscillator
output:
1.5 kHz 100mV
3) Connect oscilloscope
to
R103
of
MAIN
Oscilloscope
UNIT.
4) Adjust R99
of
MAIN
UNIT
so
that
clipping waveform on the oscillosocpe
becomes
~qual.
1)
Set meter swtich
to
R F side, S 1
of
the
MAIN
UNIT
to
POWER
side,
mode switch
to
CW,
band
to
14 MHz
and
RF
power control
to
MAX.
2)
Adjust R82
of
MAIN
unit
so
that
RF
RF
meter
meter
becomes
full
scale.
3)
With
S1
of
MAIN
UNIT
set
to
SWR
side, confirm that the meter indicates
1.2 or
less
on the
SWR
scale
(in any
band).
1)
Remove cable
of
ANT
connector
during transmission
as
above.
2)
Confirm
that
total current at that time
is
less
than 10A.
Measuring location
Adjusting location
Number
of
Instrument
adjusting
UNIT
Terminal
UNIT
Parts
reading
location
Front
MIC
MAIN
R103 @
MAIN
R99
Waveform clip
@J
should
be
sym-
metrical in
upper
and
lower
side.
MAIN
R82
Full
scale
~
1.2 or
less
Confirm that
total curren in
any band
is
less
than lOA.
for
free
by
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