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T'Con board fault.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations.
sounds like a vertical problem, usually you'll see one white line across the screen, but one I worked on would come on and the bottom half of the picture was gone and there were lines across the top of the screen.
If you know how to solder & can find the vertical output chip then you could try resoldering the pins. If this doesn't fix it then it needs new parts.
You would need to replace the flyback on this and your looking aroung $65 parts and $85 labor to shore this problem up. We can recommend you a repair shop or you can purchase a new TV its all up to you
If the tv has nothing happening at all when you try and turn it back on including any noise, your power supply is broken. If it is still trying to turn on or does make noise, an internal component has come loose or been knocked off, most likely to your picture tube.
Hi there Let's make ur problem a bit clear. "white lines" how? where? meaning retrace lines with full raster or a single vertical line? buzzing sound? without even turning the power switch of the TV to "ON" or when u just plug the power cord? I'll check for schema, mean while can u tell me where the resistor leads to? is it a fusible resistor? if so , to which area the resistor suppliers power? Regards Rifaa
I had the same problem with the same model. The solution was to replace a capacitor, C622, which is located near a small blue rectangular plastic component. This component is a relay that is controlled by C622. I paid $2.39 for the part, $8.99 for S&H for a total of $11.38. This fixed my problem!
sounds like you have a vertical sweep problem. Where the fault lies cpuld be the vertical output IC the verticle b+ feed, could be the capacitors in the vertical circuit?? Your gonna need to troubleshoot thr vrtical circuit if your not a tech thin my advise is to take the set to a pro for sn est. Good Luck