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doug30293 · 03-15-14, 08:08 PM

Those 7805 voltage regulators sometimes go bad if the input voltage is too high - common practice when they are simply stealing DC from a 12V or 24V circuit.

My guess though is that you have a bad run capacitor.

03-15-14, 08:08 PM	#7
doug30293 Too Many Projects Join Date: Nov 2013 Location: georgia Posts: 91 Thanks: 0 Thanked 6 Times in 6 Posts	Those 7805 voltage regulators sometimes go bad if the input voltage is too high - common practice when they are simply stealing DC from a 12V or 24V circuit. My guess though is that you have a bad run capacitor.