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I can also confirm that the CW sounding noise was from the GPS, however after removing the GPS, there is still a high pitched tone on 12m and 6 meters that wasn't there before. I think it's on all

Steve, good job. 73 Ludwig

Baofeng (and Wouxun and other Chinese rigs) and Kenwood 3.5mm+2.5mm plugs share the same pinout/spacing.? The programming cables seem to be interchangeable, too. I bought a Retevis clone mic, cut off

Hello Michael, that's fine. A bit much but no heavy short or so. This case is interesting and the situation is cloudy. Hard to debug from afar. And debugging maybe dangerous for the QMX. There are

Toroid colors indicate a low band build. The high band QDXs never came with any red toroids. So likely an 80-20m. 12V build is the most common I think, but as was said, try 9V and check power

Thought i would update - indeed it was some short on the power board.? Got the new boards, slapped it in praying i would get back to at least seeing the USB drive but in fact the QMX booted up and

How do you delete a message?

My pardon, I thought that was what we were talking about. As the fictional character Emily Latella would say: "Never mind." -Chuck Harris, WA3UQV <paul.hanchett@...> wrote:

Well, I'm getting closer after the meltdown. Q503, Q507 and all the BS170's replaced.? Power output 0.6 watts. Drawing 350 mA from 12 volt supply. Gate voltage on the BS170's seems okay - 2.6 volts

Thanks Bruce! Mr Levent is very good at such things and after some hundreds he was getting even better! But still, I will try not to make that PCB mistake again next time... 73 Hans

Hi QMXies. As a sota enthusiast i was missing a working clock (on the QMX .. not QMX+) regardless if batteries have been removed before. There is everything there also in QMX, but the 32kHz Q and the

To close the subject, the problem was with me, not with the QMX+. I don't know what I did last week (may have been transmitting on 10m into a 15m tuned dipole), but the rig finally would not switch

On p25 of the Rev 3 QMX+ manual, there is a check for continuity to ground from three points A. BEFORE installing T501, when checking the three points A,? I get about 15 ohms with the DMM black lead

Hello Dave, Dan's suggestion is good with one addition:? do the test into a 50-ohm dummy load.? Antennas can cause higher or lower power due to differences in impedance. 73 Evan AC9TU

Yes, that reminds me. I tested with 12 volts and it certainly got a lot hotter than I expected. The ones I use are fed from 5 volts and keep cool. 73 Alan G4ZFQ

Thank you, Ludwig. That does it. PA voltage now 0.3 instead of 10.9. 73, Steve, N2IC

What did you come up with, Michael?? Did you ever get your 20m power up beyond 1.2w? Joshua

My guess is that DIGI mode has a wider bandwidth so more noise. This will cause AGC to cut the gain a little bit and the spurs will appear reduced. Tony AD0VC ________________________________ Sent:

Well it’s a lovely job. ?? Only noticed it under high magnification !

Hi Mehmet, Everything looks for me. I have no ideas now. I don't have a QMX+, instead, a QMX HB version and a QMX LB version. And 80m is the only band I had trouble with. -- 73, de BD8BTE op: Lun