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I was (pleasantly) surprised that I got pretty good response from : tech-supp@... for an issue I had with no +8v regulated volts on the MIC connector of my x6100. This caused the radio to immediately go into transmit when the stock mic was plugged in, since it uses the 8v to pull up ptt, and without it, the stock mic has ptt engaged always. With a different mic without the 8v ptt pullup, it had? low/no audio b/c the electret mic element isn't biased sufficiently.

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I had emailed them to ask about it, and for a proper service manual (not surprisingly they ignored the service manual request, lol! ) , b/c the "extended manual" they released described the issue I had exactly, but had no resolution steps. My request was for info on how to fix the issue described, and a service manual to go with it. I had little expectation that I'd get any answer, but they did come back with the part numbers of the transistor and diode that needed replacement to fix the MIC voltage regulation circuit. Got the parts replaced and it all works again.

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Is your issue, or one similar, mentioned in the extended manual they released a little while back? If you put that in your email to tech-supp@... it might prompt them to come back with a better answer?

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73 Wayde VA3NCA/AD2GX