I tried replacing the power supply in the set, I ordered a new one and it didn't have any positive effect. Not sure what to do next, but I will keep troubleshooting the set. I assume there is a short somewhere in the set.
This is most likely a problem in the High Voltage section of the set, probably the High Voltage Transformer, this is something only a qualified technician should service due to the dangerous voltages and shock hazzards involved.
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The power source is forced to deliver more power than what it's rated for because the capacitors have aged and have started to lose their insulating properties so much that when heated by the normal functioning a lot of current is wasted thru them - they start to act like a short. You must replace all of them ASAP or they will fail and the entire tv will be fried.
Sounds like a problem I had with a Polaroid t.v. Take the cover off the back and look for capactors that are buldging on the top. The top should be slightly concave. If they are convex at all, you can buy new one at Radio Shack and replace them for under $5.00
You might have blown an in line fuse. It would be right where the power cord hooks up to the TV. If that's the case and you replace it and it blows again call the repairman. Real good chance it just blew though. Good luck.