UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Quad II problem

cathoderay57 · 22nd Nov 2022, 9:59 pm

OK if you're getting 258 Ohm from Y to chassis, with the Y disconnected from the HT circuit, then one of the primary windings has a low resistance path to chassis. Temporarily disconnect X and Z (label them first) and measure each of the 3 terminals, in turn, to chassis.

22nd Nov 2022, 9:59 pm	#38
cathoderay57 Nonode Join Date: Oct 2017 Location: Bristol, UK. Posts: 2,388	Re: Quad II problem - Rectifier blowing (GZ32) OK if you're getting 258 Ohm from Y to chassis, with the Y disconnected from the HT circuit, then one of the primary windings has a low resistance path to chassis. Temporarily disconnect X and Z (label them first) and measure each of the 3 terminals, in turn, to chassis.