Power went out at my house for about an hour and a half. When it came on everythig came on except my tv (Pioneer
rear projection). When I go to turn it on it trys lasts about a second and then off. Anyone know what this is and will it cost alot.
It is a great chance Jeff that your Power Supply Board (specially the FlyBack) could not hold the voltage requirement to let your TV set on.
When local Power Utility supplier is shutdown for whenever reason, this kind of situation occurs. Voltage spikes, voltage outage, voltage drop and dimming are common things.
You could replace the FlyBack and then check out if the TV stays on. This will cost you from $60.00 to $80.00, but it will not guarantee that it was the only component that suffer the shutdown. I really suggest you to replace the main power board (from $175.00 to $250.00 - with core exchange). It is something you can do on your own and I'll recommend you to check on the following site (my favorite to buy parts):
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Check power supply board located on the Right bottom board,in the middle is a 6amp Fuse it could be blowed.
Located on the Left Hand side should be the Big Black ICs will have part number on them STK392-110 ,Bad STK ICs can cause this also.
Mats Electronic Parts 1-800-628-1118 they will have ICs ,ect...
if you know anything about the tv, take off the back and remove the power supply board. Reflow or resolder the solder points, takes like 2 hours, but is well worth it as my tv works fine now. make sure to use rosin core solder and good luck