Last night when we were watching the usopen match, i heard a sound (a medium phoot sound), I could not see see the picture, but the sound was ok, in a couple of seconds, i saw smoke and heard more noise from the back. I went and immediately pulled the power chord. I could see a lot of smoke from the back. After 5 mts, I attempted to reconnect the power chord and saw more smoke, and the sound was OK. Please help
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Hi it sounds like it has had an elctric fault like a resistor failing. The click you heard would be a internal switch that cuts off the elctric supply to the screen to stop furthe damage hapening. It could even be something simple like a bad solder and in that case will need locating and resoldering. How old is the telly and how often is it used. When you switch it off leave it off for about an hour then try again if you have allready done this then it probably is a blown resistor are you sure nothing has been pressed on controll have you tried seeing if you can acess the menu screen via the remote and see if that comes up on the screen let me know ok
Check high voltage circuit. This is near where the 120 volt cord is plugged in and a high voltage transformer, where there should be capacitor (or two). Check the voltage - should be 390 to 400 volts. If not less than 390, near to replace the capacitor.
Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.