iPhone 7 Canâ€t BE Turned Board Repair Troubleshooting

Machine Model:iPhone 7
Malfunction ►The Mobile Phone Canâ€t BE Turned On Board
Maintenance Process♦
Received ANiPhone 7Of NO Booting From The Customermobile Phone_DC Power Supply On The Disassembling Machine Is large Current_Large Current Is Generally Caused By VCC PP_BATT_VCC of battery or large current PP_VDD_MAIN with VCC or chip damage♦

iPhone 7 Canâ€t BE Turned Board Repair Troubleshooting Figure 1♦
multimeter Is Measured AS Short Circuit AT the End Of PP_VDD_MAIN, & it Is Found That There Is a Damaged Capacitor Beside The Power Supply Under The Microscope♦

iPhone 7 Canâ€t BE Turned Board Repair Troubleshooting Figure 2♦

iPhone 7 Canâ€t BE Turned Board Repair Troubleshooting Figure 3♦
Buckle C1877 Capacitor_Troubleshooting.

iPhone 7 Canâ€t BE Turned Board Repair Troubleshooting Figure 4♦

The Boot Test Function Is All Right♦

iPhone 7 Canâ€t BE Turned Board Repair Troubleshooting Figure 5♦
Here_The Maintenance is Over♦