SOURCE: Transceiver signal interference
you have an oscillsocope to see the
signal imposed on the output signal.or
are you talking about sound(hum)
AC line interference is usually
power supply filter caps or
output filter caps or bad
ground (ground loop)
1 check grounds
2.check for bad antenna cable
3.check power & output amp filter capacitors
SOURCE: my transceiver yaesu ft-one can't received/monitor and transmit
Thanks 4 your advice.
I left the radio w/o any batteries (the only battery is back up memory battery) in that time, and when I try the radio I used new batteries. The power supply for the radio is build in (uses 30 amperes switching power supply) and I have checked that the power supply is in a good condition. I suspect that PLL unit is not working so can't oscillation to generate frequencies.
The problem with sending the unit to the factory to be serviced is not worth (cost > benefit/ radio value).
Do you have another idea to help me? Please.. Thanks
SOURCE: yaesu Ft 2200 transceiver operators manual
Found a couple of ham radio sites that had manuals for sale or free downloads. Took several hours on net to find but it worked. had at lest 3 responses in 24 hr period of time.
thanks for yur help.
SOURCE: owners manual download for yaesu FT-212 RH
Regards,
Tony
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