Nokia C6 Ringer Loud Speaker No Sound repair Solution

Here's 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.

Nokia C6 Ringer, Hands Free IHF Speaker No Sound Solution

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

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