Question about Sharp Aquos LC-37GD6U 37 in. LCD HDTV
On hot days ... temp above 75 deg in the house, probably hotter in entertainment cabinet. Picture displays black trails following bright moving objects. Happens only after unit warms up for half an hour or so. Definitely heat related. Also causes odd flash on sudden scene change. Everything goes back to normal when it cools down to 72 deg. Unit is standing in entertainment cabinet with more than 6 inches of free space above unit for circulation. I have added a whipser fan to cabinet and it helps, but problem persists. When it first starts the problem is subtle, but becomes unwatchable when it heats too much. Has anybody else seen this? I'm thinking this might be a 'LCD lag compensation' circuit gone awry. Unit probably has a processor to help cancel normal LCD lag which is worse cold. Maybe it overdoes it when it gets hot. Or maybe unit is just broken.
We have an LC-37D40U Sharp Aquos - just recently - the same kind of grey/black trails (horizontal) have started showing. Not completely across the screen -- one is clustered near the center right. Another group ARE horizontal - but slightly upper left. Only really noticable when changing channels or when very light/white color is on screen. TV is less than a year - temperature in our house is ALWAYS around 72-73 degrees - as we are in Florida. Wall mounted - cleaned with dry cloth only. Have submitted this to Sharp tech support & am waiting for response.
Posted on Sep 03, 2007
LCD LAG COMPENSATION CIRCUIT? never heard of that, dosent mean it dosent exist, you may have a LCD driver board issue, never seen the trails thing on Aquos, have had to update the software on many of these critters though.
Posted on Jul 08, 2007
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Posted on Jan 02, 2017
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