This article is from the Apple II Csa2 FAQ, by Jeff Hurlburt with numerous contributions by others.
There is a 100k bias resistor in the front end of the inverter. If this resistor is broken, loose, or otherwise 'open' you will get the symptoms described. Replace the resistor and both capacitors should be at the same voltage ( approx 140 volt) and within the 200 volt working rating of the capacitors. This should fix the power supply. By: Mike Smith
 
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