Hello all,
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Finally got the time to attach the QMX to the computer and I found interesting stuff... :
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This is what it looks like TXing when the voltage is about 11V, nothing wrong apart from the supply voltage reading wrong by 0.2V
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When I get the Voltage down to 10.8V, this is what I get and "interesting" stuff happens, namely the supply voltage is wrong by 1V, the 5V SMPS voltage is too high and the transmitter voltage is too low :
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When I get down to 10.7V not TXing, even ,more surprising stuff happens, the supply voltage is completely wrong and on top of this the 5VSMPS gives us a very high reading which might well be true(ish) as the screen becomes darker :
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My instinct would be the 5V SMPS is shot and weirdness ensues but I am not sure of myself at all! May be the overvoltage protection kicks and switches off the QMX. For reference, I destroyed one of the SMPS last year and replaced the 2. In theory they should be good....
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Any help welcomed !
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73,
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Yannig - F4IUJ
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