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Re: TV won't turn back on after power cord was...
If power cord was jerked out of the outlet or set, make sure it wasn't damaged. If it was unplugged violently, the circuit board inside the set could be damaged. Also make sure the outlet that it is plugged into is not damaged or a switched outlet.
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Check for bad connections or loosely soldered pins on any connectors and any other components (especially the ones that tend to warm up when they operate - these will often be mounted on a heatsink).
It is probably something in or around the main power supply section (main transformer driver transistor and/or related components).
If there are any relays in the unit also check the contact points inside these (although removing the cover from relays can sometimes be tricky or difficult), they might be dirty/oxydized or crusted with residues from sparking.
It could also be a faulty component somewhere, i'm just assuming there is probably a bad contact since the unit works fine after you unplug and reconnect the power cord.
That set only has a 90 day warranty, and would be serviced as a customer COD. The unit sounds as if there is a problem with the power cord connection at the rear of the set, or a more serious problem with the power supply...accordianman
i think in that brand of tv may be some dry- solder . if you can you have to check it after disconnecting the power cord , under the tv board if some solder is "dry " - for philips , is it normal to happens if it is you have just solder again to make electric contact- delfo
This could cause a problem, because modern TVs and most other entertainment electronic goods, have a small kind of computer chip, but there should be a Reset button probably inside the set!
If you feel confident about computer chips you may be able to find the button by tracing the circuit.(Disconnected from the mains).
Another idea is if there is a small button cell or battery inside, then try disconnecting it for a day.