Quote:
Originally Posted by walterbeers
n. Also there is a boost selenium rectifier that goes bad as well under the chassis that provides the boost voltage for the screen controls. When that goes bad, boost voltage drops, along with the brightness which is tied to one side of the color screen controls. Workman also made those as well. Both of those were very common to go bad.
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A good recommendation. I had one fail on me, and the set would not display a raster except for a a split second after turning it off. The boost was designed to be under 2KV on my set so I used two 1KV diodes that radio shack sells in series to replace it...~Four years later it is still holding up just fine.