iPhone 6s rear camera is normal.Front Camera can't open the fault maintenance.

iPhone 6s rear camera is normal.Front Camera can’t open the fault maintenance.

Malfunction model: iPhone 6s 64GB.
Malfunction: the rear camera is normal, and the mobile phone Front Camera cannot be opened.
Failure analysis:
The front and rear cameras of iPhone 6s series are relatively independent, so first check the working conditions one by one.
Maintenance process:
At first, the camera BTB connector is scanned one by one by Measuring diode value, and the 10th and 12th pin Measuring diode value OverLoad of BTB connector are found and displayed.

iPhone 6s rear camera is normal.Front Camera can’t be opened. troubleshooting figure 1.
schematic shows that 10 12 pin is a MIPI bus for transmitting images with CPU, and it passes through Inductor L3100 to CPU, so first take down Inductor L3100 for measurement.

iPhone 6s rear camera is normal.Front Camera can’t be opened. troubleshooting figure 2.

1.2 pin of Inductor L3100 leads to CPU Normal value, which means that Inductor L3100 is damaged.

iPhone 6s rear camera is normal.Front Camera can’t be opened. troubleshooting figure 3.

iPhone 6s rear camera is normal.Front Camera can’t be opened. troubleshooting figure 4.
short-circuit directly.
Maintenance results:
Boot test, the front camera is normal. At this point, the phone Front Camera with normal camera after iPhone 6s cannot open the fault repair.