Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: red light blinking on power
this all problem may exist in your tv
1. High voltage problem/ deflection circuit problem.
2. Shorted picture tubes.
3. Problem in the vertical deflection circuit.
4. Problem in the audio ouput circuit.
5. Problem in the convergence circuit.
6. Problem in the power supply regulation.
7. Problem in the portect circuit.
8. The common high voltage arcing that Toshiba sets do at the picture tube.
so for getting pictures gently tap on the side of tv if it works then there may be some loose connection you can fix it by soldering
Posted on Jun 22, 2008
I would recommend replacing the fan, cleaning it doesn't solve the problem...If it does, it's only a temporary fix. Replacement fan is around $30 and easy enough to do yourself...
Posted on Oct 01, 2008
Your description of the problem points to a power supply in the process of failing.
If it was mine, I would leave the set unplugged overnight, remove the back panel of the set, locate the power supply (likely on a separate board related to the incoming AC cable and will have larger components on it), look for an assembly number (often on a printed label), contact the manufacturer's service company and inquire about replacement or repair cost.
When you plug it back in, note whether it behaves normally at first turn-on. If is does, this tends to support the suspicion of a failing power supply since some of the passive components in it have had a chance to recover before weakening again.
Modern supplies are a good bit more efficient than 'linear' supplies of yore but are far more complex and much more dependent on quality of components.
Posted on Jul 28, 2009
It's a power supply related problem.
The flashing 8 times is a trouble code. A Service Manual for your TV model will have the info on the codes. It could be a bad capacitor or a transformer on the power supply board.If you have some electronic experience, you can find a Service Manual for your TV over the internet. Cost about under $20.
Posted on Jul 31, 2009
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