Icom IC-725 Service Manual page 31

TRANSMITTER
ADJUSTMENT
(CONTINUED)
CARRIER
SUPPRESSION
ADJUSTMENT CONDITIONS
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT LOCATION UNIT
ADJUST
Displayed frequency;
1.91000
MHz
'
Mode
:
USB
and LSB
[MIC]
control
:
Max.
CCW
'
Apply
no
signal to
t^
[MIC]
connector.
Transmitting
Rear
panei
Connect
the
spectrum
analyzer to
the
antenna
connector
via the
attenuator.
Minimum
carrier level
(Less
than
-50
dB)
MAIN
R177,
R179
(Alternately
adjust)
IGC
'li
u
--
i.'
R.i
m.
^
e
5
sit','
0
A
J6
Jumper
wire
to
GND
(Chassis)
[
—
Carrier
suppression adjustment
.R87
SWR
detector adjustment pre-setting
6—7