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iPhone 6 is flooded and the phone’s black screen doesn’t respond to repair
Machine model: iPhone 6
Malfunction: mobile phone screen is black or frozen doesn’t respond
Maintenance process: disassemble the machine, load DC power supply switch, it can be turned on but there is no display, and the failure of replacing the screen remains the same. When the motherboard is removed, it is found that water damage is serious in the back.
iPhone 6 is flooded and the phone’s black screen doesn’t respond to repair Figure 1.
After cleaning the upper screen switch, it is still not displayed. Measuring the secondary volume value of the display seat, it is found that the display seat 24 pin Short circuit.
iPhone 6 is flooded and the phone’s black screen doesn’t respond to repair Figure 2.
According to Xinzhizao Soft Boardview, it was found that the display seat 24 pin passed through R2008 to BCM5976C1 U2402, and the U2402 was removed from pin.
iPhone 6 is flooded and the phone’s black screen doesn’t respond to repair Figure 3.
On the screen, the test machine can show that after replacing BCM5976C1 again, the machine starts normally and the touch function is normal, and the test function finds that the machine can’t record.
iPhone 6 is flooded and the phone’s black screen doesn’t respond to repair Figure 4.
The position of AUDIO CODEC IC water damage is serious, and the machine recording is normal after replacing AUDIO CODEC IC U0900.
iPhone 6 is flooded and the phone’s black screen doesn’t respond to repair Figure 5.
By the end of this maintenance.
