My TV cut off and when I tried to turn it back on it had no sound or picture yet there was a low whistle click noise and the power button on the tv would light up when tv was on. How can I fix this myself. I'm very handy with electronics.
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the picture getting darker means the lamp has aged and u need to replace it another thing u need ti replace the mirrors in the light tunnel of the light engine they have faded secondly the noise means the colour wheel has aged you need to replace it u will have to replace the whole light engine cos the color wheel comes inbuilt the light engine and u will be ok ontact lg dealer in your area
sounds like the inverter went bad...There's a high voltage device in there that runs the whole "picture" thing. There are capacitors involved with it that have probably failed leading to this mess.. That would be what that "crack" is...If you try to turn it back on does it just "click " and then stay off?
The TV was making the clicking noise and not turning on because an internal error was being detected.
Now things had got worse , and something had blown inside the TV.
The burning smell and high pitched noise is coming either from Flyback transformer or PSU board. Repair is a delicate matter and must be done by a technician.
I wonder if there is enough air circulating around your equipment??
My DVD recorder makes a sound unless I open
the doors on the cabinet that contains all of my equipment.
The cable company says it is a fan to cool down the units.
The high pitched sound is an indication that theres a short most likly in the Hi voltage sweep section or power supply and with out the proper training you should not even take off the back as there are no user replaceable parts inside of these sets. All the parts are soldered in and you can not look at them and see that they are bad.. its almost like when your check engine light comes on you look but what do you see without a computer to read the on board computer vto see what the problem(s) are. Take the set into or call a pro to assist you with this repair. good luck