I bought this TV few days back. when i plug in and on the power the room power suplly is gone as soon as i switch it off the room supply is back, but the tv is not getting on. when i tried this in another socket TV got on. but when i repeated this the problem appeared again for this power point also and this time the power is gone , i had to check the fuse to restore. please suggest.
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it is possible that your tv IR circuit is the problem could be that a cap needs to replace.as posted by you saying that when you plug in the tv the remote works, that means voltage charge up the cap and the tv works with the remtoe but as soon as you switch off the tv the cap discharge the stored voltage so you will have to plug in the tv for the cap to charge,and in order for the remote to activate the tv.that cap can be found just near the IR diode.good luck.
The most likely problem is with the Switch Mode Power suplly (SMPS) However it cannot be confirmed as you did not mention whether the tv screen is dark or having any raster (lighted up).
Do you get the green LED ' Power on' indicator lighted up or stays red only.
If it is green your problem is either with the Horizontal/vertical output stage.
Is there a ceiling fan in the same room? Under the right conditions, light reflecting off the whirling blades hits the TVs sensor at just the right frequency, causing mysterious things like this.
Try covering the infrared sensor on the TV (it should be behind a red transparent piece of plastic somewhere in the front. If this keeps it from "going mad", then something in the room is to blame. If it still does it even when the sensor is covered, then it is the TV.
Good luck, and let us know what you find!