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#smoke

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#qcx #smoke 18 #qcx #smoke

Same here. I monitor WSPR more now. The blow out also took out Q6 and IC3. Antenna faults DO occur even to the best of us. Here gusty winds actually can break my MFJ collapsible whip which was recentl

By George Korper ·

#qcx #smoke

#qcx #smoke Q6 3 #qcx #smoke

Good advice. Was gonna write the same earlier. To preserve any device, just run them with a voltage that cannot set up a fault condition large enough to make problems. - Andy -

By Andy Brilleaux ·

#qcx #smoke

Plugged QCX power in backwards. Smoke. Reflashed new chip. Still no change. What's next? 10 #smoke #qcx

I would be inclined to find out why it is unable to maintain the regulated 5v output? It could be a straight forward failure of the regulator, Alternatively it may be heavily loaded by one or more def

By Alan de G1FXB ·

#smoke #qcx

Burned Q6 - might have had a tad to much voltage? 5 #40m #qsx #smoke

Arg, meant to say Q1-Q3. Although, I also replaced Q5 a couple of days ago, too.

By Jim Ladd ·

#40m #qsx #smoke

#qcx #smoke #problem Circuit in the debugging process. The hot regulator, no indication. 3 #qcx #smoke #problem

Спасибо, Андрей! QSX работал нормально, но не развивал полной мощности (0.8 ватта на антенном разъёме). Проверил мощность на выходных транзисторах - всё было в порядке, 5 ватт, Решил, что проблема в к

By R2ATQ ·

#qcx #smoke #problem

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