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Flat Screen HDTV

This is not a projection type tv. It is a HD Flat picture tube type. Heavy as hell! Only 3 years old. Why would it simply stop working and then start up again a few hours later? Do these types of units overheat too? It is not in an enclosure.

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Yes, this kind of unit overheats too, your TV has inside several chips that produce heat, and therefore the TV board has a couple of termic sensors detecting temperature from main cpu and other chipset. When it turns off approximately after the same time, is either overheating or a bad power adapter.
Bacio le mani.

Posted on Jul 30, 2008

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Chances are the tubes are out of alignment. When cleaning or anything never move the tubes as it will be hell to get em back properly.

In the back you can take off the rear panel and move the tubes to partially re-align the picture.

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The reason for the 3 colours in the picture are that the rear projection units use Red, Green and Blue tubes to create the one colour picture.

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Convergence


Color tubes are OK. Do not adjust. The issue at hand is called
convergence alignment.The repair involves-------
1)Pull chassis
2)Replace convergence IC's
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work should be done by a skilled technician........T.

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