Magnavox 42mf231d/37 power supply question

[freakaftr8]

Yes I know about the timebomb ysus/buffers. I have worked on about ten of these sets rebuilding the ysus mosfets and shorted diodes and replacing shorted buffer ic's.

And in turn I have had only one besides this one cause damage to the power supply as it grenades up the chain of command. This tv though the buffers and ysus were ok oddly. I cannot be sure though that someone before I picked it up had already replaced the bad buffers and ysus and when it didnt work, gave up. I can only assume. But as to Justins comment, yes I have replaced the shunt transistor for the pot control. Still no change. It seems that I am getting 205v to the primary side of the vscan transformer, just nothing out. Its just mind boggling that the ysus is producing enough voltage by itself to operate the vscan circuit on the back side. Is this voltage bleed?
Still even with this and ysus disconnected, all voltages come up on power supply except vscan, there is a possibility of me overlooking something on the ysus that caused the power supply to blow.