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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair


iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 10-23-2020, 09:20   #1 (permalink)
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iPhone XR PP_VDD_MAIN


Hi, i have this iPhone XR can't power on , with signal PP_VDD_MAIN shorted to ground, i try search shorted component with freezing spray but not see nothing of evident.
Someone have experince with this fault?
Thanks in advance
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Old 10-23-2020, 15:07   #2 (permalink)
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Hi,

If you can't see anything with freezer you can increase the current value on your power supply. You can set the current at 3 Amps.
I had several VDD MAIN short on XR, most of the time it was short caps near wifi ic and cpu.
Hope it will help you
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Old 10-24-2020, 10:45   #3 (permalink)
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I will try this soluction.
Thanks for reaply
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Old 10-28-2020, 09:27   #4 (permalink)
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Solved, this cap are shorted


Now PP_VDD_MAIN are ok no power on....
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Old 10-28-2020, 22:26   #5 (permalink)
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[solve] IPhone XR No power current 1.05A
https://r.tapatalk.com/shareLink/top...ink_source=app


Envoyé de mon iPhone en utilisant Tapatalk
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Old 10-28-2020, 22:29   #6 (permalink)
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qq


Envoyé de mon iPhone en utilisant Tapatalk
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