I have this tv and it goes fine for random amounts of time and then the screen has a few red arcs on the screen and then it gets gradually more red and then all red and then the television turns off and then after a min or so we turn it on and it does the same thing. we changed the inputs and it does it on all the inputs. any help would be greatly appreciated
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this means the TV having picture upper part of the screen. problem may be -15 V to vertical deflection ic suddenly gose off and system control gose to stand-by mode resolder vertical out ic , -15 v supply line from the fly back and system control .
Take a camcorder and capture it, that should be enough proof that it's failing often enough to be repair right. When the picture goes out, can you see it dimly if you take a flash light to the screen? It might be a bad inverter.
It sounds like you may be on the right track.
Also you could have a problem in your Horizontal Deflection circuit.
Since you say it flickered, you may have a solder joint that was arcing. Probably in the horizontal circuit. I found a capacitor which was arcing in this circuit. I was a small disk type.
NOW since it is chirping, the horizontal output transistor may have shorted placing too much of a load on your power supply. The noise you hear is the power suppply trying to start.