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01-05-2024, 04:39 PM
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Tektronix tds510a Image expands, then tube shuts off
I have a VGA tube that was pulled from an old Tektronix TDS510A. It's now being used as a little monochrome VGA monitor. Discovered a weird issue after its been running for a while. The picture slowly expands, then the screen goes blank.
I am driving it with a 640x480 VGA signal at 60Hz refresh Never seen this before. Could it be capacitor related? video of issue Video is without crt turning off. Last edited by Devicemodder; 01-05-2024 at 08:49 PM. Reason: Fixed link to video 
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