Repair iPhone 6 touch screen no display after booting
There will be a variety of accidents when using the phone. Such as dropped into water or toilet. You found the water damaged iPhone 6 touch screen no display after booting, when insert the SIM card, the iPhone 6 can receive the callings from other cell phone, but there is no ringtone on iPhone 6. You needn't worry about it. It is easy to repair it.
Based on our experience, because the iPhone 6 has fell into water before, so there must be a corrosive place that causes display function to be abnormal. We can start the repairs from the water inlet area, so we can easy to fix it.
Disassemble the iPhone 6, take off the iPhone motherboard, and put it under the 14MP HDMI Camera Stereo Zoom Microscope to check the place where the water is flooded, we found the 2 4 pin of the J2019 display socket have been corroded.
Check iPhone schematic diagram on WUXINJI Dongle, the 2 pin is PP_LCM_BL_ANODE_CONN backlight power supply, 4 pin is PP_LCM_BL_CAT1_CONN backlight circuit.
Clean up these 2 pins, and then use QUICK 861DW hot air rework station to solder it well, now the iPhone has display after boot, but no touch.
Continue to repairing, after observation, we found that iPhone touch IC U2401 and U0900 audio IC all have water corrosion marks. Disassemble it to check, the solder pad have been corroded. Clean up the corrosive solder pad, and then replace the chips.
Assemble the iPhone to test, the touch function back to normal, there is the ringtone when receiving calls. The repairs end!
Do you want to know more about the skills and tools for repairing the iPhone, or how to choose a repair tool? Please do not hesitate to contact our VIP FIX Team.
Based on our experience, because the iPhone 6 has fell into water before, so there must be a corrosive place that causes display function to be abnormal. We can start the repairs from the water inlet area, so we can easy to fix it.
Disassemble the iPhone 6, take off the iPhone motherboard, and put it under the 14MP HDMI Camera Stereo Zoom Microscope to check the place where the water is flooded, we found the 2 4 pin of the J2019 display socket have been corroded.
Check iPhone schematic diagram on WUXINJI Dongle, the 2 pin is PP_LCM_BL_ANODE_CONN backlight power supply, 4 pin is PP_LCM_BL_CAT1_CONN backlight circuit.
Clean up these 2 pins, and then use QUICK 861DW hot air rework station to solder it well, now the iPhone has display after boot, but no touch.
Continue to repairing, after observation, we found that iPhone touch IC U2401 and U0900 audio IC all have water corrosion marks. Disassemble it to check, the solder pad have been corroded. Clean up the corrosive solder pad, and then replace the chips.
Assemble the iPhone to test, the touch function back to normal, there is the ringtone when receiving calls. The repairs end!
Do you want to know more about the skills and tools for repairing the iPhone, or how to choose a repair tool? Please do not hesitate to contact our VIP FIX Team.
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