UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - S2055N horizontal deflection transistor keeps failing on CRT TV with the F19 chassis

Boater Sam · 3rd Sep 2017, 8:33 pm

I have had a similar failure when the solder around the LOPT connection pins has crystallized in the oversize holes in the pcb, causing a resistive connection and destroying the OP transistor.

3rd Sep 2017, 8:33 pm	#12
Boater Sam Banned Join Date: Dec 2013 Location: Middlewich, Cheshire, UK. & Winter in the Philippines. Posts: 3,897	Re: S2055N horizontal deflection transistor keeps failing on CRT TV with the F19 chas I have had a similar failure when the solder around the LOPT connection pins has crystallized in the oversize holes in the pcb, causing a resistive connection and destroying the OP transistor.