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Flash red and shut down - Projection Televisions

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Either any of the capacitors or --ics-- are blown off on the main power supply board or the fuse on the power supply board is blown out.so please check on the power supply board and get replaced the necessary.the unit is perfect but replacement is necessary.the same problem is faced by many of the clients and after replacement it works properly.
do not worry.

Posted on Sep 24, 2008

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It flashes red or green then shuts off


Problem could very well be in your Red and Green tube ,but try adjusting the screen drive controls for Red and Green turn them down a notch on control block which will be behind bottom Front Panel in front of TV.

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4 Answers

Green flashes then tv turns off


or a new lamp. you could first replace the lamp.
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1 Answer

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does the led flash when you try to power it up? If so let me know the number of flashes. From your description I would suggest 1 of 2 things happened. (1) The Convergence amp ICs have shorted and blown the 5 amp fuse on the G board, or (2) the red CRT has shorted shutting the set down. Check the fuse and if blown replace the fuse and disconnect the Red CRT PC board from the RED CRT and try powering up the set. If it powers up without shutting down then unplug the set and rehook the RED crt pc board and try again if it shuts down the reds shorted. But if it still wont start with the CRT unhooked or blows the fuse Change the Convergence ICs

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1 Answer

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According to the E44W48LCD service manual, the temperature indicator red light states the projection TV shut down due to overheating. Red (flashing) states the projection TV shut down, check the cooling fan.

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1 Answer

Sony 57 in Rear Projection TV


If the picture is playing fine and you notice that the background is getting more and more red, until it is too red and the set shuts down, it could be that the red screen control is set just a bit too high. If this is the case, you can probably correct this yourself. If you are watching a perfect picture and then it suddenly flashes a very bright red, with thin red lines in the pictureand then shuts down, it usually means that the red picture tube has developed a short in it, between the cathode and heater. A good tech might be able to remove the short by arcing, but if the short persists then the red tube will have to be replaced. Either way, this is something that should only be done by a qualified tech.

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