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iPhone 6 call without sound repair
Model: iPhone 6
Trouble phenomenon: no sound when calling
Repair process:
Received an iPhone 6, fault descriptionmobile phone After entering the water, there is no sound after using the mobile phone to call. Generally, there are three places to consider:earpiece, speaker, and motherboard.
Remove the mobile phone screen, replace the screen assembly test again, the fault is still there, remove the motherboard and observe the microscope, the entire motherboard is serious water damage, careful observation found that the AUDIO CODEC IC U0900 chip water damage is serious.
iPhone 6 call without sound repair Figure 1.
Clean the motherboard, remove AUDIO CODEC IC from SMD REWORK STATION at 420 degrees, and clean PAD while it is hot.
iPhone 6 call without sound repair Figure 2.
Replaced with a new AUDIO CODEC IC chip, put it back on 350, and test it again after installing it. There is a voice on the call, repair it.
