Share your experience!
i just had this problem in my xperia play :
when i move the door of the gamepad after about 4 mm of moving it the screen of the phone goes black but the touch is still working but the screen is black and to make the light on i have to push the power button twice as i make the phone off and then on !!. and also if i opened the door and then close it at the samr point the same thing happen 
i download a fesh software from the sony pc companion but the problem is the same 
does any one know how to repair this thing ??
Thanks for posting and welcome to the forum! 
Have you tried also performing a repair of your phone's software in PC Companion?
If so, I'd recommend you to contact your local Sony Mobile support for further info of how to proceed.
You can find contact info on the link below.
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