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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 07-05-2018, 19:53   #1 (permalink)
Freak Poster
 
Join Date: Sep 2005
Location: U.A.E
Age: 43
Posts: 312
Member: 182134
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iPhone 5S dead help


I receive iPhone 5S for repair No power on issue.

When connect to usb charge C304 have pp5V0_USB_PROT but NOT have C39 PP1V8_SDRAM fluctuating 0.2 , 0.8 , 1 etc.... also NOT have C38 PP3V0_SDRAM fluctuating 1.2 , 0.4


when connect to DC power supply set power on



I only change U2 A1,A2,A3B same result not working. any idea ….
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