Icom IC-725 Service Manual page 31

TRANSMITTER ADJUSTMENT
(CONTINUED)
ADJUSTMENT ADJUSTMENT CONDITIONS
UNIT
CARRIER 1 •Displayed frequency: 1.91000 MHz Rear
SUPPRESSION
•Mode : USB and LSB
panel
•[MIC] control :Max. CCW
•Apply no signal to t'9 [MIC]
connector.
• Transmitting
MAIN UNIT
R241 Output power pre-setting/-------------.
CW delay time adjustment
-f
L16----.
Transmit gain adjustment L 14
L7
J11 CW delay time
CP---~
MEASUREMENT
ADJUSTMENT
POINT
VALUE
LOCATION UNIT
ADJUST
Connect the Minimum carrier level
MAIN R177,
spectrum analyzer to (Less than - 50 dB) R179
the antenna
(Alternately
connector via the
adjust)
attenuator.
R210~1------
. Output power adjustment
R208
R194 Output power pre-setting/le APC adjustment
. - - - - - - - - - - R 1 8 6 Po meter adjustment
. . - - - - - - - - - J 6 pin 2 SWR detector CP
R177]-
---R179
J6 pin 3 le APC
adjustment pre-setting
J6 Jumper wire
t
0
0
oGND
Chassis)
Carrier suppression adjustment
Transmit gain
adjustment-E~::
R85--~
' - - - - - - - - - - - - - - R 8 7 SWR detector adjustment pre-setting
6-7