Question about Sharp Televison & Video
You have a short somewhere in the load for the power supply. Probably the horizontal output transistor and the flyback transformer. You need to have it checked out by a tech. You may want to get an estimate. Stargazer
Posted on Mar 11, 2007
The blue screen means the processor of the tv no longer finishes the loading of the firmware - hardware fault, either the chip that stores the firmware or the processor have failed.
Since the chips are soldered on the mainboard and cannot be removed separately that means that the entire mainboard will have to be replaced. This is it
Now you must decide if it's worth paying $400 for a replacement board or it's better just to buy a new tv - i'm for the second option.
Posted on May 17, 2011
You will get a white screen when you unplug the t-con from the main board. Doing so removes power to the LCD panel. Verify that all of your voltages from the power supply are correct. If they are, I'd look at the t-con board. It sounds like there is a problem with the t-con that is pulling down the main board.
Posted on May 11, 2012
Power supply failure
Posted on Jul 31, 2016
Check all source is same or not
Try factory reset.
Posted on Aug 02, 2016
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