Thanks PEZ AND NOMADRADIO for clues/suggestions about my radio issues.
I will try the tone through the mic on ssb as per suggestions.
Nomadradio, I believe you are on the right track.
There are other issues with this radio that are popping up, those combined with the ssb issue are causing a serious reduction in hair and singe malt scotch .
I have done everything I am capable of doing given the fact that I have no serious bench test equipment or the knowledge to use such equipment and no one I know locally with the equipment to properly test this radio.
I have chalked the radio up to a learning experience and I’m looking forward to my brand new replacement radio . With all that being said I will list the other issues with this radio that have been popping up in the hopes it might help someone else out.
1) the ssb issue that we have been addressing.
Here are a a few examples of what has occurred as well.
Clipped audio intermittently. I checked the mic , the mic cable and plug , can’t seem to find anything abnormal .
I did play with the mic gain settings and it made no difference. Tuned my 991 to frequency and tx on the at5555 . Before anyone asks yes I did turn the rf gain way down on the 991 and only tx on the lowest stable pwr 2w setting on the 5555at.
Power fluctuates no matter what the pwr knob is set at . I have this radio hooked up to a capable power supply
If anyone is interested the power supply is a Alinco 32a switching power supply set to 13.8v . Also confirmed with external swr/ power meters.
I have changed out antennas and coax & re tuned with same results . Ditto for the swr meters ( I borrowed a couple from friends) however I still believe my. Brand new Surecom is pretty accurate.
All this has been done after hard resetting the radio and checking the factory settings and adjusting some settings off or lower, such as mic gain and pl .
I have no intentions of getting into the service menus even though I have found some references to some settings on the internet to play with , I feel it would be
Better to just leave them alone.
So thanks to everyone who offered me great suggestions and advice.
Cheers