Repair: iPhone 6 Plus camera and fingerprint not working Issue
The iPhone 6 Plus fingerprint function, rear and front camera all unavailable. Customer described that he repaired the iPhone black touch IC , it is possible to put the back of the component virtual weld. Anyway, we need to fix it step by step. First of all, measure the diode data of rear camera adapter with Fluke 15B+ Digital Multimeter, no exceptions found. Then measure the rear camera power supply. Picture 14-6-1 Measure the main camera 1.8V and 1.2V power supply, when we measured the 2.85V power supply, we found that it had no power. Check the iPhone 6 Plus schematic diagram on WUXINJI Dongle to trace the 2.85V source. Picture 14-6-2 We found that the 2.85V was converted from the main power supply through U2301. During the repair process, short connection A1 and A2 pin can quickly determine if 2.85V power is causing the iPhone camera not working. After short connect A1 and A2 pin, get into IOS to test the iPhone rear camera, it can be turned on now,...