Question about Sony BRAVIA KDL-46BX450 46 inch LCD HDTV 1080p
There are horizontal lines across the screen of the tv. the lines jump slightly and cause shadows. want to know if it is the screen or the t-con board
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Posted on Jan 02, 2017
Its because of Over Voltage of Screen (G2) to Blue CRT.
Take off front lower cover (speaker grill) and unscrew board. There you will need to find Focus Block mounted having 6 control knobs. 3 knobs are for Focus control and 3 are for Screen volts control. Find Blue Screen control knob and turn is Counter Click Wise slightly until bluish shade disappear on screen including few blue horizontal lines.
If you select AV input to adjust that will be fine as you do not need to wait for dark-scene.
Posted on Apr 09, 2009
Hi my name is Roety,
I can help you with your issue ,
Try the format, aspect buttons on the Box remote, if the line is there on every input and effect the TV menu your panel (screen) is bad.
A new panel would cost as much as a new TV.
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
I will reply asap
Posted on Oct 24, 2009
either the tape or the recording head is dirty. use a new tape. if the lines are still there, get a head cleaner tape or use alcohol to clean the recording head.
Posted on Jan 31, 2010
I'm having the same problem. I have noticed on mine that the menu when brought up is clear and I can see it perfectly. The picture on all the inputs is just as described above though. BUT, like I said I can see the menu just fine. This leads me to believe that it's not the panel. Anyone have a solution to this, or at least know what could be causing it?
Posted on Sep 24, 2010
Yeah we have the same exact problem here. Defective TV....ours would correct itself after 30 mins, but now it's blurry all the time. I'm never dropping 2K on a SONY tv again.
Posted on Oct 18, 2010
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