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Tv turns on screen lights up but then goes off secounds later

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This is typical with many sets when it goes old as there is a high possibility that the components over a period of heating and cooling , tend to bring on a problem of dry soldering. So my advice is to check the set for some loose joints that have played on to give you these erratic shut downs.

Remove main plug, the covers - with caution of high voltage, check for dry joints, use a good soldering iron to solder all suspected points.

Sometimes it can also be poor solder joints on the power supply as the power can cut off when the circuit heats up on current delivery. Tapping on the board can cause simulation of the fault and so can be confirmed

Posted on May 19, 2011

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