I had the same problem with mine a while ago. The problem was with the 3.3-volr regulator module. It would get very hot and stop working after a few minutes. There are two regulator modules on the input board. A 5-volt and a 3.3-volt. They are the thick, black, edge-mounted things on the board. If you have the same problem, one if them will be very hot after a few minutes. I replaced mine with a different type and it solved the issue. Calls to the factory were of little help. Let me know if this is helpful.Glenn -------- Original message --------From: Allen Brier via BVARC <[email protected]> Date: 8/21/22 02:44 (GMT-06:00) To: [email protected], 'BRAZOS VALLEY AMATEUR RADIO CLUB' <[email protected]>, [email protected] Cc: [email protected] Subject: [BVARC] Elecraft P3 BLACK SCREEN but not DEAD My P3 screen has gone black. When I plug in the power, I still hear some very quiet relay click. Any quick ideas? Full disclosure: I suffered a voltage spike some time ago which took out my K3 some time ago (it is at Elecraft now); P3 still operated but the POWER switch no longer worked, i.e. it was on all the time whenever power was applied. (I am borrowing a K3 from a very, very good friend). Does anyone work on P3’s besides Elecraft? Allen R. Brier N5XZ1515 Windloch LaneRichmond, TX 77406713-705-4801
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