Quote:
Originally Posted by space_charged
From the rust on the lower down screws on the back it looks like it may have been in a damp place, on a floor. No rust inside.
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That's not uncommon, as the back cover of your set is made of a compressed fibre (made by firms like Fibre Form Ltd). The material is hydroscopic and absorbs moisture, especially when the TV is no longer switched on every day to get nice and warm and dry the back cover out. The moisture then causes the back fixing screws to corrode.
I'd certainly keep your TV in a warm room for several days to help it dry out, before trying to power it up. That will also reduce the risk of EHT flashover and high voltage tracking.
Concerning the open circuit mains dropper resistor section with a resistor connected across it, I'd check it's the correct value and not scorching any other components, including the back cover.