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I recently had my screen replaced and a few days later, the lcd froze and looked like it was fading black from top to bottom going towards the middle. I've never seen this before. I've tried restarting the phone, checked the connections and tried a new screen on it and all its giving me is that the back light works but the lcd isn't. Can anyone help me with this?
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Sounds like a faulty display to me. Bring it back to/request a replacement from where you got it
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I've tried different displays and they only give me the backlight
Really. Inspect the LCD socket, check for damage. After that I would guess it's an issue with the gpu
I have spare screens right here. I just tried a new screen and now the new one doesn't turn on but when I plug it into itunes its recognized. But when I put back the old one the backlight turns on.
I'm full of sleep medicine. So I'm confused. What do you mean the old one works, but the new one doesn't?
So how do you know which Ben is Ben?
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As long as you're getting full backlight but no image check chestnut ic. This provide voltages to touch and display. It is most likely not gpu related. I would still inspect coil for cracks/damage as it might not be putting enough voltage through to give full backlight to image.
If you tilt the board and look under chestnut (u1501) you might be able to see under ic for cracked solder balls. I normally don't recommend reflowing but you could put some flux on the ic and heat for about 20 seconds at 355 if balls underneath look cracked.
Also check voltages out from u1501.
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Hi Ben, did you end up fixing the phone? I am currently having the same issue with my iPhone 6 Plus and am wondering if you have resolved your problem. Please comment what you did to fix it, that is if you fixed it. Thanks
Zohaib Akram (CaptainZakram) さんによる