Question about Toshiba 57H82 57" Rear Projection Television

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57h82 no video

My 57h82 has no picture of any kind but has sound. Menus won't show up or anything. A similar problem happened in 2005 and the shop replaced a 2 amp pico fuse. Right before my video went out this time the picture went all white and then out. The power light still functions so I know that there is power, that and the fact that there is sound. My problem becomes that I don't know where the 2 amp pico fuses are or which ones to replace. Would love any help. If it helps it was about an hour before another Florida thunderstorm but my TV was connected to a 1200 joules surge protector. If you happen to have a copy of the service manual that would a big help to or if you can explain it to me also awesome. Thanks,

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Your set has pico and micro fuses soldered in ( various locations) depending on what circuit B+ supply is being "watched"...the amperage can vary from 2 to 5 or more...
Went all white, then no pix suggests you lost the 200volt
source B+ that goes to the RGB pcboards = one on end of each CRT.......Some websites offer SM's = search your Model # then service manual.........HTH>...........T.

Posted on Jun 29, 2008

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Pico fuses could be through out the board... And the service manual, if it has a parts list, does give the board designation for all the picos on it...
Although these are good pictures they don't show a great deal of detail... But picture 1 & 2 at the far left, above where the two sets of blue wires are plugged in - looks like a pico piggy-backed on top of another pico... Sometimes it's easier than desoldering the original pico just to piggy back them in this fashion - but it's not a good practice.
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