Article and troubleshooting guide solution for Nokia 808 mic not working fault. Problem: Mic not working, Caller can not hear your voice. Missing mic points. Faulty mic. Solution: Change mic. Make jumpers. Note there are two series of mics one for Skype and the second for calls.
Required Tools.
- Good lights installed in your repair lab.
- Board griper for heating with hot air.
- Soldering paste and heating paste.
- You have a good experience to read picture diagram jumper ways.
- Good quality jumper wire. That has been insolated.
- Heating elements and solder wire for connections.
- Zoom lens to see some thing clear on PCB.
- Phone liquid cleaner, Clean as the first step for carbon causes.
- Cotton, for using liquid cleaner.
- Heat gun, to dry with hot air after cleaning its PCB.
Repair Nokia 808 mic not working
When the mic on a cell phone is getting wrong or faulted, the caller did not hear your voice and said to you hello, hello, hello only. In this cell phone the Nokia company has used two mics and the one for Skype or online voice calls then the second for cellular voice calls. These mics are digital and so good quality voice controller stage is handled with rich voice quality control.
One point of mic is directly connected to ground and one is power in; the other two points are mic positive in and negative in data. First change mic, but before change a mic please read troubleshooting guide first. If no luck after changing mic, please trace a missing point, make jumper on diagram below carefully.
One point of mic is directly connected to ground and one is power in; the other two points are mic positive in and negative in data. First change mic, but before change a mic please read troubleshooting guide first. If no luck after changing mic, please trace a missing point, make jumper on diagram below carefully.
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Nokia 808 mic jumper complete solution here. This model uses two mics, one mic for Skype and a second mic for voice calls. These two mics use series if sim one is damaged and not working then mic second mic problem created by mic one. First change mic carefully if problem not solved then make jumper as picture shown below with jumper wire.
Remember one thing first: to do this job, please do not overheat mic points. Allow hot air from other side of mic on PCB to change or remove mic on this cell phone model.
Warning! While working on this trick, if accidentally your handset may have dead or faulted, we are not responsible for that; please read our privacy policy.
Remember one thing first: to do this job, please do not overheat mic points. Allow hot air from other side of mic on PCB to change or remove mic on this cell phone model.
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