iPhone 8 Plus phone is flooded and cannot be started for maintenance

iPhone 8 Plus phone is flooded and cannot be started for maintenance

Machine model: iPhone 8 Plus

Fault symptom: water damage can’t be turned on.

Maintenance process: the customer sent iPhone 8 Plus for repair. The fault described is water damage no booting. Disassembly detection shows that there is no obvious corrode mark on the motherboard.  Although this is the bottom of the PC-V0 garbage board, the maintenance of the machine is very simple. 

iPhone 8 plus phone is flooded and cannot be started for maintenance Figure 1.

iPhone 8 plus phone is flooded and cannot be started for maintenance Figure 2.

Generally, repair this main VCC Short circuit machine, and don’t worry about disassembling CPU shielding cover. No obvious trace of corrode was found when the sticker on the back was removed. 

iPhone 8 plus phone is flooded and cannot be started for maintenance Figure 3.

Please take out the sharp weapon of thermal imaging to kill short-circuit current Short circuit, and check nine pin tubes and C7608_W high temperature. Generally, nine pin tubes will not be damaged, so remove C7608_W decisively.

iPhone 8 plus phone is flooded and cannot be started for maintenance Figure 4.

iPhone 8 plus phone is flooded and cannot be started for maintenance Figure 5.

iPhone 8 plus phone is flooded and cannot be started for maintenance Figure 6.

Connect the power supply test is not Short circuit, boot test is normal, and the problem is solved.

iPhone 8 plus phone is flooded and cannot be started for maintenance Figure 7.

iPhone8/8 Plus doesn’t necessarily consider Move Board (move the main chips to another motherboard)when you see the bottom of PC-V0 board, but you can still do something about small problems, and you can’t move them if you can’t solve them.