1960s Sylvania Color TV: My first all tube color TV

[zeno]

Originally Posted by old_coot88

FWIW (it may not apply in this case), we ran into some Sylvania hybrids that had two 2 watt carbon comp resistors that chronically cook and go 'waay low in value. IIRC they were something like 27K and dropped to a few hunderd ohms. They were the collector load resistors for the two demod transistors, which shorted from overcurrent. Apparently the resistors' phenolic casing charred to carbon over time, shunting the resistive elements.

Ditto
I only saw it on the portables but first thing to check. Basically it
put 200+ volts on the 24 V line. Things explode !

Rolling may be from the AGC oops. If the tuner is SS there may be 2
controls. IF AGC & RF AGC.

Zeno