Sixth iteration of Apple iPhone, announced on September 12, 2012. Repair of this device is similar to the previous models, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Black or White.

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iPhone 5G does not start

hi friends

how are you ????

I have a 5G iphone that does not start when I plug on power supply it goes up to 0.04A but does not want to start

When I plug the multimeter it shows me 0.87V

From you where the problem comes from

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thinks my friends

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1 Answer

Chosen Solution

Hi Mike. What are you measuring that gives you 0.87V? Is it PP_BATT_VCC? or PP_VCC_MAIN?

With a dead phone, you really have to start at the beginning. Check PP_BATT_VCC & PP_VCC_MAIN to see if they are shorted while the phone is unpowered. I wouldn't put any power on it until I am certain the main voltage rails are not shorted. If they are shorted, then that issue has to be resolved first.

If they are not shorted, then something downstream is causing the problem. I would then look at the output voltages of the PMU/PMIC (U7) to see if any of those are shorted. If there are shorts, then focus on those. Once all the shorts are gone, then power the phone to see what it does.

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My friend

Please how to check the vcc main and pcc bat ??

I can not

When I plug in the power supply it does not ring

And when I apply the cold spray I do not see anything short circuit



It is turned on by itself

thinks minho thinks friend


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