Question about Toshiba 57H82 57" Rear Projection Television
We had a bad lighting storm. It knocked at the transformer on the pole and throughed some breakers. When the electric company restored power the TV will not power up. I do HVAC repair work so I do know a little about a fluke. I figured it had a fuse so I removed the back and there was a fuse right after were the cord plugs into the board. Checked the fuse, fuse good. Checked incoming power into board 121v before and after the fuse. There is no hot spots that you can just see and no smell of anything hot. Got any ideas?
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Posted on Jan 02, 2017
SOURCE: No picture, no sound, no menus
hard to diagnose with out voltage measurements, first thing i would do is call insurance company and tell them you had a brown out and then the tv went out.
a common problem with this tv is convergence amp ic's
Posted on Feb 21, 2008
IF YOU REPLACED THE SAME PICO FUSE, YOU PROBABLY HAVE A BAD CONVERGENCE IC AGAIN . DID YOY SNUG UP THE IC TO THE HEAT SINK AND USE THERMAL HEAT COMPOUND ON THE NEW IC'S? ALSO CHECK SOLDER CONNECTIONS TO C810 AND C809 THE FUSE BY THE CAPACITORS MAY BE OPEN.
Posted on Jan 23, 2009
Well, my thought is that there are a ton of knock off generic convergence IC's out there that usually hold up as long as yours did. Professionals like me will only use Sanyo original STK's. The counterfeit STK's out there are everywhere. Do some research on the web to locate Sanyo originals, they are out there.
Posted on Jun 11, 2009
That happened to me before. I was watching TV and all the sudden it would just turn off on me. The power switch had gone bad and I had to have a new one put in.
Posted on Jul 16, 2009
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