iPhone 6s water inlet cannot be turned on the second repair process

Machine model:i Phone 6s
Malfunction: mobile phone water damage Won’t Turn On, front Camera shoot, burned when it flashed, crashed, and smelled of burning. Last year, it burned once, and it passed through water before.
Maintenance process: according to the customer’s feedback, remove the machine and power on to see the current.

iPhone 6s water inlet cannot be turned on the second repair process figure 1.

Connect the power supply large current Road, which has been flooded, repaired shoot machine and burnt, disassemble the machine and look at the last repaired place.

iPhone 6s water inlet cannot be turned on the second repair process figure 2.

After repairing the backlight, the IC damaged Short circuit, and the booster Inductor was damaged and cracked. shoot when VCC rises, causing the rear pole to be damaged Short circuit. Replace the original damaged by backlight boosting directly.