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QCX Mini vol pot type
#qcx20mini
Does anyone have the part number and type of the volume control for the QCX mini? Mine is intermittent. Do you have one I can buy from you? Thanks Doug K6JEY
Does anyone have the part number and type of the volume control for the QCX mini? Mine is intermittent. Do you have one I can buy from you? Thanks Doug K6JEY
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Doug Millar
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For Sale QCX+ QCX-Mini (your choice)and ATU See pics
#10W_PA
#qcx20mini
Your choice a QCX+ 20m or 30m QCX-Mini and a home built N7DCC auto tuner for the Radios. Packaged in the same size case as the QCX+ 150.00+ 20.00 Shipping USA. Contact me at n2aie@... and I'll ge
Your choice a QCX+ 20m or 30m QCX-Mini and a home built N7DCC auto tuner for the Radios. Packaged in the same size case as the QCX+ 150.00+ 20.00 Shipping USA. Contact me at n2aie@... and I'll ge
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Vince Loschiavo
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Damage to c14
#20m
#qcxmini
#qcx20mini
#troubleshoot
#troubleshooting
For intro please see my other post here: https://groups.io/g/QRPLabs/topic/88250303?p=%2C%2C%2C20%2C0%2C0%2C0%3A%3ACreated%2C%2C%2320m%2C20%2C2%2C0%2C88250303%2Cct%3D1&ct=1 I'm looking into my radio n
For intro please see my other post here: https://groups.io/g/QRPLabs/topic/88250303?p=%2C%2C%2C20%2C0%2C0%2C0%3A%3ACreated%2C%2C%2320m%2C20%2C2%2C0%2C88250303%2Cct%3D1&ct=1 I'm looking into my radio n
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Vance.Langer@...
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Santa brought me a QCX-mini for 20M (Rev3) :-)
#qcx20mini
#qcxmini
And...I can follow directions ;) What a fun build. It's a Rev 3 board (although the plastic bag said Rev 2 ;) ) Quick notes: -the build manual is exceptionally good, of course. Thanks Hans and other c
And...I can follow directions ;) What a fun build. It's a Rev 3 board (although the plastic bag said Rev 2 ;) ) Quick notes: -the build manual is exceptionally good, of course. Thanks Hans and other c
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Mark N8MH
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QCX mini - converting from 20m to 40m 4 messages
#20m
#40m
#qcx20mini
Thanks Ron I managed to lay my hands on 2 HROs recently so the first Christmas job will be to get those recapped and realigned. I've run out of magnet wire so just ordered a selection on bobbins from
Thanks Ron I managed to lay my hands on 2 HROs recently so the first Christmas job will be to get those recapped and realigned. I've run out of magnet wire so just ordered a selection on bobbins from
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Ted 2E0THH
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LCD Screen Issue #troubleshoot #qcx20mini #function of each part 16 messages
#troubleshoot
#qcx20mini
#function
I think a lot of the mystery for me is at the component-by-component level. Conceptually, I think I understand what each stage does. However, when it comes to figuring out why cap C10 is 470pF but ano
I think a lot of the mystery for me is at the component-by-component level. Conceptually, I think I understand what each stage does. However, when it comes to figuring out why cap C10 is 470pF but ano
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jjpurdum
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LCD Screen Issue 21 messages
#troubleshoot
#qcx20mini
No problem, and will do.
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Julian N4JO
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Single tone below 700Hz of Rx Freq 3 messages
#qcx20mini
#qcxmini
#20m
I see. Thank you for educating me. I'm relieved. Thanks Fumi
I see. Thank you for educating me. I'm relieved. Thanks Fumi
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Fumi
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Drift Problem 7 messages
#20m
#qcx20mini
#wspr
Thank you Bruce and thank you Ken. I just ordered a TCXO. Looking forward to drift free transmitting. Mitch NK3H
Thank you Bruce and thank you Ken. I just ordered a TCXO. Looking forward to drift free transmitting. Mitch NK3H
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Mitchel Sayare
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VFO Audio thumps 3 messages
#problem
#qcx20mini
!
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...
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QCX mini 20M no output, can't adjust IQ,lo and hi. 17 messages
#qcx20mini
#qcxmini
#alignment
Yes i supplying 12vdc to the radio. I'll try to check the solder again. will watch the video and try to follow the troubleshoot it. De 9M2KLH
Yes i supplying 12vdc to the radio. I'll try to check the solder again. will watch the video and try to follow the troubleshoot it. De 9M2KLH
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Khor Lai Hock
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QCX Mini Alignment Issues 6 messages
#qcx20mini
Hi Dave. I had the same problem - it turned out to be a faulty op amp IC7. Checking voltages around ICs 6 and7 could be useful for you, although I'd check T1 carefully first.. Allison's advice is of c
Hi Dave. I had the same problem - it turned out to be a faulty op amp IC7. Checking voltages around ICs 6 and7 could be useful for you, although I'd check T1 carefully first.. Allison's advice is of c
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Rod Smith
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QCX mini stopped working shortly after build 2 messages
#qcx20mini
Hi L6 feeds +5v to pin 7 mcu ic but has c47 and c3 as decoupling to ground. If L6 is oc check for shorts/ on vcc rail to micro that rail had to be drawing excess current for some reason Ie short or ov
Hi L6 feeds +5v to pin 7 mcu ic but has c47 and c3 as decoupling to ground. If L6 is oc check for shorts/ on vcc rail to micro that rail had to be drawing excess current for some reason Ie short or ov
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mick baldwin
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#40m #problem #qcx20mini NO TX Power 8 messages
#40m
#problem
#qcx20mini
That was it; replacing C29 fixed it. Thanks again for the suggestions. The radio worked long enough for me to listen, transmit and get picked up by RBN. Then I plugged in the 50W amp and developed a l
That was it; replacing C29 fixed it. Thanks again for the suggestions. The radio worked long enough for me to listen, transmit and get picked up by RBN. Then I plugged in the 50W amp and developed a l
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john.rogers@...
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Interesting first WSPR experience 4 messages
#qcx20mini
I'm glad you figured it out Dan! Dans rule!
I'm glad you figured it out Dan! Dans rule!
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Daniel Conklin
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and another QCX mini! 2 messages
#qcx20mini
I've just tweaked my QCX20 mini referring to Hans' "tune up" video. Just spreading L3 and a tiny bit on L4 took me from 3W at 12v to 4.4W into a QCX dummy load. With no No turns removed, outputting 5.
I've just tweaked my QCX20 mini referring to Hans' "tune up" video. Just spreading L3 and a tiny bit on L4 took me from 3W at 12v to 4.4W into a QCX dummy load. With no No turns removed, outputting 5.
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By
Ted 2E0THH
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