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OldTechFan96 · 20th Nov 2017, 10:12 pm

I followed the wires from the O/P transformer and measured the resistance between the two valve holder tags. The resistance was 530K ohms and rising.

It looks like the transformer could be OK.

The next thing I'll look into is replacing is the rubber turntable motor grommets that have perished.

20th Nov 2017, 10:12 pm	#15
OldTechFan96 Octode Join Date: Jul 2017 Location: Newcastle Upon Tyne, Tyne & Wear, UK. Posts: 1,181	Re: Pye Black Box Restoration I followed the wires from the O/P transformer and measured the resistance between the two valve holder tags. The resistance was 530K ohms and rising. It looks like the transformer could be OK. The next thing I'll look into is replacing is the rubber turntable motor grommets that have perished. Attached Thumbnails Last edited by OldTechFan96; 20th Nov 2017 at 10:28 pm.