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Refugee · 23rd Nov 2017, 3:03 pm

What instrument are you using to test the transistors in circuit with?
Some of those testers with a screen on them test with a short pulse and will read short circuit due to the discharged mains capacitors on the HT rail.

23rd Nov 2017, 3:03 pm	#64
Refugee Dekatron Join Date: Apr 2012 Location: Worksop, Nottinghamshire, UK. Posts: 5,554	Re: Dr Dre Beatbox problems What instrument are you using to test the transistors in circuit with? Some of those testers with a screen on them test with a short pulse and will read short circuit due to the discharged mains capacitors on the HT rail.