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

OldTechFan96 · 16th Oct 2017, 12:50 pm

The transformer is outputting the AC voltages is should. The resistance between one side of the transformer to the other(yellow to pink 2) is 1.359K ohms. I'll discount it as a possible source of trouble and focus on the -20V section of the power supply.

16th Oct 2017, 12:50 pm	#121
OldTechFan96 Octode Join Date: Jul 2017 Location: Newcastle Upon Tyne, Tyne & Wear, UK. Posts: 1,186	Re: Scopex 4D-25 Oscilloscope Repair Help The transformer is outputting the AC voltages is should. The resistance between one side of the transformer to the other(yellow to pink 2) is 1.359K ohms. I'll discount it as a possible source of trouble and focus on the -20V section of the power supply.