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The solution below covers for nokia 5220 Xpressmusic Earpiece Speaker Problem that no audio sound can be heard on it. If this happens you may need to check and or replace the Earpiece speaker if found already damaged.
But if the earpiece speaker is working okay but still there is no sound can be heard on during a call is been made, the problem may possibly lies on a faulty certain components that is being connected to it.

The solution below shows the line paths and which particular components needs to be check or replace.





The earpiece audio signal is feeds from the power and audio IC (AVILMA);
Reworking this chip might possibly solve and  fix Nokia 5220 earpiece speaker problem.

This solution covers to repair a damaged Nokia C3 ringer and hands free speaker. If this problem occurred you may need to check and or replace the IHF speaker module.
If the IHF (integrated hands free) speaker seems just okay  but still there no sounds can be heard on it when playing a music or ringing tones, you may then proceed to trace and check all the corresponding components that holds or connected to the IHF speaker.
This solution below will help you locate those particular components location where it is being mounted on  Nokia C3 PCB board layout.





Those components showed on the solution above is located or being mounted on the right side of the  shielding metal. Just check all these components and just replaced if found faulty or damaged.
The filter coils near the IHF speaker pins contact pads may oftentimes causes the problem, if these filter coils open or being cut-off due to an audio signal overdrive. Some factors are caused by oxidation build up if the device suffered wet or water damaged and any means of liquid.
Replacing and cleaning certain components that seems to be faulty or being damaged might possibly fix Nokia C3 ringer and hands free speaker no sound output problem.

Heres the solution for Nokia C6 ringer, hands free or IHF loud speaker problem that no audio sound can be heard over the device when it is being activated.
If ever encountered this problem you may need to check and replace the IHF speaker if found damaged.
If the IHF speaker seems okay but still no sounds output, you may then proceed to check certain components which holds  the IHF speaker audio signal.




The solution above shows the IHF speaker connection and line paths which can be used for checking or tracing.
The IHF audio signals is feeds from the audio IC (AVILMA) and then filtered by filter coils before it goes through to the IHF speaker.

Tips for Repairing Nokia C6 Ringer IHF speaker:

a) Check the IHF speaker or try to install a new replacement spare parts.
b) Check the speaker terminal and contact pads and ensure that it is clean.
c) Check the filter coils and ESD protection resistors and then replace if found damaged.
d) Rework the audio IC if all of the above is been done but the problem still exists, this may possibly fix Nokia  C6 Ringer Speaker no sound problem

Are you annoying by the loud camera shutter sound and set to silent mode or volume off did not fix the problem?

Here is simple way to disable it, but your phone need to be ROOTED.

TODO:
1. Download Root Explorer
2. Run Root Explorer
3. Browse thru the file until "/system/media/audio/ui"
4. Click on the [Mount Button]
5. Rename "Shutter_01.ogg" to "Shutter_01.ogg.off"
6. Reboot your phone. DONE

Try take a picture. Even with sound ON, your camera shutter will not make any sound :)