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Back of ic 756 pro ii2/13/2023 The receiver works very well on every band.ĭoes anyone have a any suggestions as to what to look for next? I discovered the power and modulation problems when I fed it to a dummy load and not the antenna. I originally thought I had high SWR and the overload circuit was kicking in to shut the radio down. It shows the same output level on AM with no visible modulation. It should show minimal output until you speak into the microphone. ![]() On sideband the carrier shows full output with no modulation. ![]() While testing it I also discovered that even though the wattmenter shows power output there is no audio. It immediately reboots and comes up when I unkey. When I go to transmit on 10 meters the screen goes black as if it is losing DC. I've used it on all bands except 10 meters because of high SWR ( that the fact that the band has been dead until recently) and I just discovered it has a problem transmitting on 10 meters and possibly on 12 meters. ![]() I have had an Icom 756 Proii for about 4 years.
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