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

PJL · 10th Oct 2017, 9:45 am

We have come a long way but getting the trigger fixed will be very difficult without another scope. This is why I always have at least 2 scopes!

It uses tunnel diodes for the trigger which should work very well.

10th Oct 2017, 9:45 am	#109
PJL Dekatron Join Date: Sep 2005 Location: Seaford, East Sussex, UK. Posts: 5,997	Re: Scopex 4D-25 Oscilloscope Repair Help We have come a long way but getting the trigger fixed will be very difficult without another scope. This is why I always have at least 2 scopes! It uses tunnel diodes for the trigger which should work very well.