Here's a solution for Nokia E73 with a not working earpiece speaker problem or no audio sound can be heard on the receiver speaker.
If the earpiece speaker doesn't work, you may need to check the earpiece speaker and try to install a replacement spare on it. Also ensure that the speaker terminal contact pads on the PCB board are cleaned.
If still there is no voice sound can be heard on it, after replacing the earpiece speaker. You may refer to the solution below for it shows the connection line paths of the earpiece speaker on Nokia E73 for further troubleshooting.
If the earpiece speaker doesn't work, you may need to check the earpiece speaker and try to install a replacement spare on it. Also ensure that the speaker terminal contact pads on the PCB board are cleaned.
If still there is no voice sound can be heard on it, after replacing the earpiece speaker. You may refer to the solution below for it shows the connection line paths of the earpiece speaker on Nokia E73 for further troubleshooting.
Nokia E73 Earpiece Speaker Problem Solution
There are filter coils and an ESD filter
chip mounted near the vibra motor, you may check these components and
then replace if found damaged. You may also trace the connection line
paths from the speaker terminal contact pads trough to these components.
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