Ron Wagner <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Based on the PS-7 manual page 4, the "120" selection is for 108-132 volts input. And yes I doubt that voltage that low would run the PS-7.

Given the sequence of events, my personal guess would be that a filter cap opened or lost capacity. Check the "small" 12 volt power supply used for the voltage regulator board. The 723 family can get rather strange with VCC under voltage. Its voltage would sag as you draw from the primary. Also check the primary supply caps.

73,
Ron WD8SBB

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