Question about Sanyo DP42848 LCD TV

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Dp42848 when first turned on vertical blue and white lines filling about 1/10 of the screen fade in and out moving randomly across the screen and eventually (after 20 minutes) a perfect picture flicks on and is all normal until next time. If menu is pressed on the remote a large section(about 50% of the screen) of mostly white vertical bars with yellow bars on right side stays still until menu times out or exit is selected.

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  • Sanyo Master
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The T-con board in your tv is the board that transforms the data coming from the image processor in a form that can be displayed by the LCD screen. In your case it is failing - a chip has started to detach from the board because it was badly soldered at the manufacturing stage. When the tv heats the solder points dilate and allow a partial contact. Since this cannot be fixed - you can't resolder the chip - the entire board will have to be replaced. This is going to cost you around $250, including the labor of the repairman.

Posted on Nov 14, 2010

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