Quote:
Originally Posted by mstaton
1965 for that set. I have the same set. You can jump the 2 leads on the thermistor for testing purposes but should be replaced some time soon. It is not on the B+ bus, it is on one leg of the AC line. Congrats, those are good and reliable sets.
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It is in the B+ line and the X is later, 66-67.
The VDR is in series with the degausing coil and is there because it has a sharp cutoff. It almost totally removes the current from degausing coil because the voltage never drops to zero across the thermistor. Otherwise you would see weird color bars and noise. Think of it like a relay that disconnects the degusing coil when the thermistor gets hot.
If you fire it up just make sure you keep feeling the electrolytic cans, if one starts getting hot, pull the plug and let it cool off. They like to leak in these rcas but they do reform and wake up.