Quote:
Originally Posted by old_coot88
Gently rap the neck of the CRT and see if the luma flickers in and out. An H-K short in the jug can kill the luma, leaving chroma unaffected, since chroma goes in on the grids. Also a dirty service switch (if the set has one) can kill luma.
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I was thinking that myself, when I replied.
IIRC, the original poster was saying that the CRT is running on borrowed time.
