Re: New QMX Rev 3 / High Band - Holiday Project failed after FW Install

Thomas Fritzsche All Messages By This Member #136536 Dear Ludwig, thanks so much, just now notice your reply. Already did the test and it indicates problem with D109. I'll reply to your PM. Have build successful more than 10 different QRP Labs kits, but this is the first time I run into such problems. This time it's not even for me, but for my 12 year old twins DN9KAI and DN9KEN, that I promised a 10m rig (according to their new license from Friedrichshafen Ham Radio 2024). I send you PM. Thanks so much! BEST 73 DE - Thomas Am So., 5. Jan. 2025 um 14:34?Uhr schrieb <DH8WN@...>: toggle quoted message Show quoted text On Sun, Jan 5, 2025 at 11:11 AM, Thomas Fritzsche wrote: - Have a Rev 1 QMX, should I try to swap in the 3.3V module? What are chance this fails too? So I don't have any SMPS modules? Thomas, hard to say. You may have success or not. - Have a QMX+ Rev1 (not yet build), is QMX+ Rev1 SMPS board compatible with QMX (without plus)? The schematics seem same, but at least some resister? As far as I know the same boards. You may read QMX QMX_Plus Power supply test Process from the QRP Labs Wiki. I think it's the new version of the document linked before. Now I don't know how to continue: bricked forever? I think not. BUT ?I can't get this diode (or replacement) in again (I'm not a SMD wizard). Maybe you will find a skilled HAM in the neighbourhood? ? 73 Ludwig

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