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iPhone 6 Plus is a line on the screen for repair
Machine model: iPhone 6 Plus
Malfunction: A line appears on the screen of the mobile phone.
iPhone 6 Plus is a line on the screen for repairFigure 1.
Fault analysis: to eliminate the screen problem, the first motherboard has a problem touching the BTB connector-BCM5976C1 line, the second BCM5976C1 has abnormal communication with BCM5976C1, and the third black BCM5976C1 itself is damaged.
Maintenance process: remove the machine and change the screen to test that there is still a vertical bar on the touch screen, and eliminate the problem of Accessories. Remove the motherboard and touch BTB connector to ground diode value to find the 3rd pin ouch _ to _ sage _ sense _ in OverLoad, which is directly connected to BCM5976C1 chip.
iPhone 6 Plus is a line on the screen for repair Figure 2.
iPhone 6 Plus is a line on the screen for repair Figure 3.
Reballing c9401 chip, fault repair.
iPhone 6 Plus is a line on the screen for repair Figure 4.
