Here's a a solution how to fix Blackberry Bold 9700 earpiece problem or no sounds can be heard when making a call conversations. This solution may help especially when already tried replacing the said earpiece speaker but still there is no sounds or abnormal sounds can be heard on it.
Just refer to the solution below and locate the highlighted components. Then visually check it, do a re-hot, re-solder or replacement when necessary.
The highlighted components are the filter components for the earpiece speaker, if it become faulty it will result an audio signal interruption through the ear speaker of the Blackberry Bold 9700 .
