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Niechcial,Steve · 27th May 2021, 6:15 pm

I decided before doing anymore with the LOPT I would deal with the issue of low 405 line sound. It turned out that both the detector and noise limiter diodes were o/c. That is 4 o/c germanium diodes so far! So I now have pretty good pictures and sound on both systems.

I have decided to push my luck further with the LOPT. I am going to insulate the overwind with a decent potting silicon, then wind on on some turns over the main bobbin to get the 150-0-150v I need for the flywheel sync panel

27th May 2021, 6:15 pm	#36
Niechcial,Steve Hexode Join Date: Jan 2007 Location: Beckenham, London, UK. Posts: 373	Re: Murphy V659/759 restoration I decided before doing anymore with the LOPT I would deal with the issue of low 405 line sound. It turned out that both the detector and noise limiter diodes were o/c. That is 4 o/c germanium diodes so far! So I now have pretty good pictures and sound on both systems. I have decided to push my luck further with the LOPT. I am going to insulate the overwind with a decent potting silicon, then wind on on some turns over the main bobbin to get the 150-0-150v I need for the flywheel sync panel