Answer

Hello XXXXXXXXX,

 

Thank you for asking your question on JustAnswer. You might wish to unplug the TV for an hour or more. If this power reset does not allow the TV to turn on component failure is indicated. This model has been known to have problems with their power supplies failing. These sets are assembled using the wave soldering process they are known for having cold solder connections. The safety circuitry shuts the TV set down or will keep it from turning on when it detects a problem. This model of TV has over 2,000 parts, which includes millions of transistors inside the integrated circuits. The capacitors will change value, leak and become defective. Capacitor failure is very common with this model TV. Resistors will change value and burn. Diodes and IC can go bad. This may have a domino effect and cause other parts to fail. Replacing one defective part may make the TV operate for a short time but the part will fail again if the parts that caused the failure to begin with are not replaced. The only way to know for sure which parts that are no longer within factory specs and for a proper repair all the electronics must be diagnosed by someone with the correct electronic test equipment specifically designed for TV service and the skills to use the test equipment. I wish I could tell you there was a quick fix or button to push that would fix the TV but that is not the case or the solution needed to get the TV operating correctly.

If you wish to repair it yourself what type of electronic training do you have?

What type of TV test equipment do you own?

Do you own and know how to operate an oscilloscope?

If you decide this is not something that you can do would you like an idea of what the cost to repair the TV will be?

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Regards,

Edward

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