Question about Sony KV-27FS13 27" TV

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Sony KV-27FS13 27" TV Horizontal lines in the form of brigter to darker values of the picture, half screen size, moving from bottom to top of screen. I've been able to give the TV a lite tap on the top left of the TV to temporarily rectify it, but the screen only looks good for 3 hrs, then ya have to hit it again, it's just that now I have to wait 8 hrs between taps. Anyone ever fix it ? is therea part I can buyand put it in ? JOHN

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Sound like you have bad soulder conections on the board. you need to look for tht ans resolder any that you might see. Also coud be bad capasistors, but i dont think so seeing how when you hit it that fixes it for a while.

Posted on Mar 09, 2009

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This sounds like 60hz or 120hz a/c ripple distortion. if taping tv corrects temporarily, ther must be poor solder on main a/c ripple filter. very large usually blue capacitor near power cord input on pcb. do not short positve and negative legs together as you could be shocked(even after tv is unplugged) and also cause more damage to tv. these filters can store electrical charges for days, even if unplugged the whole time. careful! mch

Posted on Mar 09, 2009

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