Rep: 45
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I was fixing an iPhone 6 today with bad lcd and during the repair the screen stopped working on the phone. I then tested a fully functional screen on the device and it didnt turn on, afterwards i put the bad screen on a working iphone 6 and the screen worked as well as the other. How can i fix it so that the device that neither screens work on can work
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It sounds like the backlight circuit may have been damaged when you replaced the screen. Did you disconnect the battery prior to disconnecting the LCD connection?
Try the following:
This will point towards a backlight circuit issue. It is usually a blown backlight filter. This requires micro-soldering. If you don't have the proper tools or experience, then consider finding a reputable shop that does micro-soldering repairs.
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I disconnected the battery cable before starting
Its also not recognized by itunes
The phone not being recognized by iTunes could be caused by a defective Tristar IC. This would also affect the charging of the battery. Can you measure the voltage of the battery with a multimeter? Unplug the battery and measure directly on the battery's connector. It should read 3.8V - 4.2 V.
@Minho i put a brand new battery in.. it gets hot on the black part below the connecters for the lcd
Can you measure the voltage of the battery with a multimeter? Unplug the battery and measure directly on the battery's connector. It should read 3.8V - 4.2 V.
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