Question about Televison & Video
I have a onn lcd tv it wont switch from standby transformer is a 12v 5amp i plugged another transformer in and worked i just need to no which part of the transformer is faulty so i can replace the part,the broken transformer lights up the stand by light but will not boot up the tv when pressed to switch on can you help the transformer model is
I had a very similar problem with mine. The blue LED light came on, but the TV would not switch on from standby with the remote or by pressing the buttons. After getting frustrated, I held down the remote and the blue LED changed from being bright to very dim and I could hear, very feintly, a sound from inside the TV like a flourescent light trying to 'strike'. I kept the button pressed and the TV switched on eventually but the screen was just fuzzy (no picture), then it changed to blue with the input source being shown then it switched off.
I took the back off (with the TV unplugged!) and had a look at the wiring between the circuit boards making sure that they were all still sound. Most of the circuit boards are soldered by machine, but the transformer board looked like the major components were done by hand and some of the connections on the transformer looked iffy. With a small screwdriver, I made sure that the pins on the transformer were separated (except where two pins were obviously meant to be soldered together) and put everything back together.
I'm not an electronics expert by any means and no doubt someone will say that you shouldn't go poking around inside a TV with a screwdriver, but it worked...!
Posted on Sep 30, 2009
My Lg flat screen tv keeps turning itself off after it comes on within 1 min and then it won't turn back on for about 5 min and then repeats all over again? Help?
Posted on Dec 31, 2008
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Posted on Jan 02, 2017
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