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TrevorG3VLF · 18th Oct 2019, 12:31 am

Measure the voltage ACROSS the smothing resistor. If the current is low then the rectifier could be at fault Do not put a diode in parallel with the rectifier. Other components are under stress and you may kill them.

Use an analog voltmeter iff you do not like digits randomly changing. You do need high accuracy.

18th Oct 2019, 12:31 am	#29
TrevorG3VLF Rest in Peace Join Date: Apr 2011 Location: Matlock, Derbyshire, UK. Posts: 1,378	Re: Westminster S470M power supply problem? Measure the voltage ACROSS the smothing resistor. If the current is low then the rectifier could be at fault Do not put a diode in parallel with the rectifier. Other components are under stress and you may kill them. Use an analog voltmeter iff you do not like digits randomly changing. You do need high accuracy.