开云体育

New QMX build displays only squares

Doug Boyer WX7J All Messages By This Member #119955 开云体育 Greetings all. My first QMX build was an abject failure. I just finished a new rev.3 QMX build and I am able to flash the firmware ??♂? but all I get is squares along the top line of the display. I reflashed fw 1.0.17 but I get the same results. Pressing the left rotary button power's it on, as it should but will not power it off. I'm open to troubleshooting ideas from here, thank you all. I think I'm close this time ? Doug WX7J?
mordan42 All Messages By This Member #119958 Did you adjust the brightness of the screen? There's a step in the manual for rotating the screw on the left of the display until letters become comfortably visible apart from background. Do you have pictures? -AD5MO
Doug Boyer WX7J All Messages By This Member #119961 开云体育 Yes, I have done that, but no cigar. Doug? WX7J? Sent from my T-Mobile 5G Device toggle quoted message Show quoted text -------- Original message -------- From: "mordan42 via groups.io" <mordan42@...> Date: 3/27/24 11:52 AM (GMT-08:00) To: [email protected] Subject: Re: [QRPLabs] New QMX build displays only squares Did you adjust the brightness of the screen? There's a step in the manual for rotating the screw on the left of the display until letters become comfortably visible apart from background. Do you have pictures? -AD5MO
mike/w1mt All Messages By This Member #119962 It usually means that the power or signal is not getting to the display board. Recheck the connections - it's easy to miss one of the those 16 cutoff connections - must be soldered on both boards. Also, double check the display header connectors to the main board. -mike/w1mt toggle quoted message Show quoted text On Wed, Mar 27, 2024 at 3:19?PM Doug Boyer WX7J <dougbo@...> wrote: Yes, I have done that, but no cigar. Doug? WX7J? Sent from my T-Mobile 5G Device -------- Original message -------- From: "mordan42 via " <mordan42=[email protected]> Date: 3/27/24 11:52 AM (GMT-08:00) To: [email protected] Subject: Re: [QRPLabs] New QMX build displays only squares Did you adjust the brightness of the screen? There's a step in the manual for rotating the screw on the left of the display until letters become comfortably visible apart from background. Do you have pictures? -AD5MO
Sean [AK6BM] All Messages By This Member #119987 Another thing that apparently can show all squares is copying the zip for the firmware to the device instead of unzipping it and dragging the actual file.
Doug Boyer WX7J All Messages By This Member #120016 开云体育 Thank you all for your input. It was suggested to check all the connections to the power supply boards, which I did. I had left the connection unsoldered near the power input as suggested in the directions (so no short to the power connector) but after carefully soldering that connection voila! I now have a fully functional QMX. Hooray!!! I am looking forward to configuring and using this excellent transceiver. Once again, thank you all!!! Doug WX7J? Sent from my T-Mobile 5G Device toggle quoted message Show quoted text -------- Original message -------- From: ak6bm.radio@... Date: 3/27/24 6:56 PM (GMT-08:00) To: [email protected] Subject: Re: [QRPLabs] New QMX build displays only squares Another thing that apparently can show all squares is copying the zip for the firmware to the device instead of unzipping it and dragging the actual file.

Previous Topic Next Topic