iPhone6 Plus No hands-free troubleshooting.

iPhone6 Plu No hands-free troubleshooting.
Machine model: iPhone6 Plus
Malfunction: The ringing and playing music are silent, and the mobile phone is not hands-free.
Maintenance ideas:
Check Related circuit between charging connector and coder, replace coder chip, and check whether the circuit from coder to CPU is normal.
Maintenance process:
OverLoad eplacing the rear housing assembly, the fault remains the same;diode value from charging connector BTB connector to coder was measured and found to be normal. Remove the small coder to measure the line from the small coder to the CPU and find SPKAMP _ RESET _ L Measuring diode value TC 601, which may be caused by disconnection or CPU coder.

iPhone6 Plus  does not have hands-free troubleshooting Figure 1.

iPhone6 Plus   does not have hands-free troubleshooting Figure 2.
Communicate well with customers and report the risks before starting pry the cpu and Jump wire.

iPhone6 Plus  does not have hands-free troubleshooting Figure 3.

iPhone6 Plus  does not have hands-free troubleshooting Figure 4.

iPhone6 Plus  does not have hands-free troubleshooting Figure 5.

iPhone6 Plus  does not have hands-free troubleshooting Figure 6.

The repair is completed. After the U-fly cable is installed, the boot is normal, and the incoming bell is normal. At this point, the iPhone6 Plus mobile phone has no hands-free fault repair.