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Freya · 29th Jul 2018, 3:36 pm

Anode / Screen switch should be 100/100.
If it is and you're still getting the same result then checking the resistors in the rectifier circuit would be next.

Added rectifier circuit with component values, R11 is different on several schematics of the 45B so check / fit whatever value is fitted. Generally it's R5 the 2k that changes value.

29th Jul 2018, 3:36 pm	#26
Freya Octode Join Date: Jan 2009 Location: Falmouth, Cornwall, UK. Posts: 1,992	Re: Taylor Windsor 45B Valve Tester Anode / Screen switch should be 100/100. If it is and you're still getting the same result then checking the resistors in the rectifier circuit would be next. Added rectifier circuit with component values, R11 is different on several schematics of the 45B so check / fit whatever value is fitted. Generally it's R5 the 2k that changes value. Attached Thumbnails __________________ Stephen _________"It`s only an old telly" ___ Last edited by Freya; 29th Jul 2018 at 3:53 pm.