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iPad 2 Bad 4R7 Coil Causes Dim or Dark Screen

If you have a dim or dark screen on  your iPad device, then there is a possibility that the coil that fires up the backlight is faulty or burnt out.  In order to test this you will need to disassemble  your iPad 2 and access the 4R7 coil to see if this is the cause of the … Continue reading