Question about LG 32LC51 32 in. HD-Ready LCD TV

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Tv turns off after 8 to 10 minutes of being turned on. If you try to turn it on again it shut off immediatly. If stays off for about half an hour it will then stay on for a few minutes then turn off again.

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Possible fault is in the power supply or the main board power drive circuits. You must check for components that are heating up and losing off the connection due to drying of solder.
So if your are able to assist with some soldering please try to open set, check on the power supply circuit and the main board. Solder all suspected joints, connectors and IC pins.
Please make sure that the main capacitors are discharged off before touching or soldering the board . You can also allow time for discharge but make a test with a multimeter before you touch the circuit.
Also you can allow cooling of any heating sections to see if the set continues to go on. If so check the circuit in question.

Posted on Oct 09, 2010

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