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Diabolical Artificer · 12th Jan 2020, 8:48 am

Going through a drawer of junk PCB's yesterday I noticed there was a noise coming from the drawer found to be a display off a VCR. It's like the sort of noise you hear in a factory of an engine in a cellar, very strange.

There is no hidden DC source like a battery, the display is a vacuum type, but not a classic VFD. Is this normal?

Andy.

12th Jan 2020, 8:48 am	#1
Diabolical Artificer Dekatron Join Date: Jul 2009 Location: Sleaford, Lincs. UK. Posts: 7,662	Display is alive! No power. Going through a drawer of junk PCB's yesterday I noticed there was a noise coming from the drawer found to be a display off a VCR. It's like the sort of noise you hear in a factory of an engine in a cellar, very strange. There is no hidden DC source like a battery, the display is a vacuum type, but not a classic VFD. Is this normal? Andy. __________________ Curiosity hasn't killed this cat...so far.