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IC-7100 noise from remoterig
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HB9CVN-4F3CV:
hello,
just set up a IC-7100 with the remoterig. Serial 0300454 so used the additional board to be placed instead of the red strap at the control side.
The radio switches on but there is a tremendous noise, which increase if I turn any knob of the front panel.
I have tried to reduce the codec out gain as suggested in another discussion but the only result is that I have the overall volume reduced but with the very same noise.
www.youtube.com/watch?v=tK2icjQsMF4
Any suggestion on how possibly attack the problem?
Thanks in advance for any help
HB9CVN-4F3CV:
found out that the problem is generated by a switching power supply I've used to supply the remoterig unit.
Using a conventional one made the problem disappear.
I have nil idea on how that could possible happen...
PD1IM:
nice you find it and it was so simple. have fun with it. use it 2 weeks in month
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