Push Power button, green light goes on for a few seconds then nothing....
I started by looking at the fuse right next to the power cord where it meets the circuit board inside the tv housing. The 125V 5A fuse was burnt out. I replaced this fuse.
I tried again but same thing - push power button, little green light goes on in the front for a few seconds but then goes off and no picture or anything....
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If you have a popped cap then the mosfets are blown. They blow as soon as the cap shorts and pops. You need to replace both mosfets and the 220uf caps and test the fuse with a multimeter I would bet its blown too.
The first place to start is the outlet and check to be sure it has power. The next is to check / replace the main internal (to the tv) fuse - it's a 5A 250V GMA fuse (google image of GMA fuse). To find the fuse, unplug the set and remove the back cover of the TV - follow the power cord to where it enters - the fuse is located to the right and slightly ahead of where the power cord is attached to the board.
Try wiggling the Cord on the backside of the monitor.. Not the Power Plug Cord, The Other Cord that attaches to the PC. Do this once the monitor turns off , grab ahold of the cord about 2 inches from the back of the monitor, then bend the cord to the right, keep bending from the right to the left a couple times to see if your screen comes back, if it does, than you have a Loose connection and this sometimes causes the Symptoms you are receiving.. Hope it helps.
Check the solder connections on the flyback and also right next to the flyback there is a small white coil with copper wrapped around it that will sometimes arch causing the solder to need re-soldering