Quote:
Originally Posted by old_coot88
Component drift. Most notably the selenium stack on the conv board if it's still original.
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Dittos to Mr. Coot.
Diodes or cold joints on the conv board. I saw a few 14 & 16" Zeniths where
the blue IIRC would pop in & out, it was the conv yoke itself. The diode pkg
can be changed with a direct sub ( ETG etc.) , OEM or separate diodes.
73 Zeno
LFOD !