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苹果 iPhone 5s 于2013年9月10日公布。该设备的维修与以前的型号相似，需要螺丝刀和撬棒。可使用GSM或CDMA / 16、32或64 GB。颜色有银色、金色和太空灰。

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Won't turn back on

I took the iPhone 5s apart to clean some fluff from the rear camera but after reassembling it won't turn on. When I took it apart the first time it was stuck then suddenly opened and the home button flex cable connector and metal clip came off but it didn't look damaged. I've since replaced the home button and flex cable but it's still not turning on. Any suggestions ?

Update (01/07/2017)

Thanks

I've not got another battery but when I connect it to a PC iTunes starts and says can't connect to iPhone because it locked but nothing on the phone display

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Try swapping in a known good battery and charging port if you can get access to one. Then try plugging it into iTunes, if it turns on perfectly fine, then narrow it down to one part. If it doesn't connect to iTunes, your board is most likely bad.

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You have shorted the anode filter bead on the backlight circuit. A local repairer can fix this easy. Always remove the battery 1st!

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I suppose it's possible that I could have shorted some pins when re-attaching the 3 connectors on the top right while the battery was still connected, not my best move! I'm not sure if you can damage a filter cap by shorting it?

Is the backlight circuit on the logic board or the display?

由完成的

hi Melfyn.

i can say for 100% on the 5s that the anode emi filter bead is blown. this is only a small part and is a quick fix for any repair technician. on the 5s the backlight driver ic , coil and diode rarely fail even when shorted. the filter bead is just below the lcd connector socket on the logic board

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Backlight ic is on the logic board, but if you are lucky and the ic isn't damage then a new screen will fix the problem, don't forget to disconnect the battery first and place the screws in the correct order ( to prevent damage the logic board ) on the metal plate that covers the 3 connectors of the screen.

Sorry for my poor English.

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Would this prevent the phone from switching on or just the display working? There's no vibration when I switch the silent switch on/off.

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thats is why you dont see a image on the screen, when you take a torch and view from a angle may you can see the image.

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Melfyn Edwards 将永远感激不已
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