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WTF? Again? How do these keep finding me?

Watch this !

It eventually goes the into full collapse

Came to me as a parts chassis.
It's missing
R92
Remote board
FB
IC 1,2,3,and 4
50/60 pot was wrong value

I added all these and got full deflection and then the jitters, then a slow and full collapse.
After not finding anything and the IC3 was getting 25 volts on pin 5 and 8 think I thought maybe it's a bad IC3. It wasn't new so it might be bad. It was. Replaced it and now I have full deflection.

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