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iPhone 11 Pro consumes fast power when in standby
Machine model:iPhone 11 Pro
Fault phenomenon: the power consumption of mobile phone is very fast when it is standby.
Repair process: after getting the customer’s mobile phone, the appearance of the mobile phone has no obvious traces of damage.
iPhone 11 Pro consumes fast power when in standby Figure 1.
After testing, the mobile phone was powered on short-circuit current for 20mA, and separate found that a chip had broken corners. When schematic was opened, it was found that this was the VCC accessory of USB, so a chip was replaced.Power on test, the phone is not short-circuit current after fully charged, standby power consumption is normal, fault repair, repair is over.
iPhone 11 Pro consumes fast power when in standby Figure 2.
iPhone 11 Pro consumes fast power when in standby Figure 3.
