UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Scopex 4D-25 Oscilloscope Repair Help

OldTechFan96 · 9th Oct 2017, 2:02 pm

I've just checked the scope and the fault condition has appeared again. I'll measure the voltages on TR407 when the fault condition comes back.

Then I'll lift one side of R427 again and see if the fault condition appears.

9th Oct 2017, 2:02 pm	#104
OldTechFan96 Octode Join Date: Jul 2017 Location: Newcastle Upon Tyne, Tyne & Wear, UK. Posts: 1,186	Re: Scopex 4D-25 Oscilloscope Repair Help I've just checked the scope and the fault condition has appeared again. I'll measure the voltages on TR407 when the fault condition comes back. Then I'll lift one side of R427 again and see if the fault condition appears.