Here's a solution for Nokia e73 Ringer, Buzzer or Hands Free Speaker Problem that there is no Sound can be heard on the device.
If the ringer speaker does not have an audio sound output can be heard on the device, you may need to check first the ringer speaker and ensure that the speaker terminal contact pads is clean or not misaligned.
But if the speaker is working fine and the terminal contact pads seems okay but still there is no sounds output over it. You may then proceed to check certain components on the Nokia E73 PCB board that holds for the ringer speaker connection. This solution below shows the components and connection line tracks of the ringer speaker which is useful in troubleshooting ringer or hands free speaker problem on Nokia E73.
You may first check the filter coils in each polarity connection, there is an ESD filter chip and filter capacitors were also connected to it. You may replace this components if already damaged. If these components were both okay, the problem maybe lies on an open line connection paths. Trace it and mend to reconnect the open or cut lines.
For further troubleshooting, you may need to rework or replace the audio codec chip if the problem is not found on the line paths and filter components. The audio codec boost up the audio data signals before it feeds up to the ringer speaker. This option may help to fix Nokia E73 ringer speaker problem.
If the ringer speaker does not have an audio sound output can be heard on the device, you may need to check first the ringer speaker and ensure that the speaker terminal contact pads is clean or not misaligned.
But if the speaker is working fine and the terminal contact pads seems okay but still there is no sounds output over it. You may then proceed to check certain components on the Nokia E73 PCB board that holds for the ringer speaker connection. This solution below shows the components and connection line tracks of the ringer speaker which is useful in troubleshooting ringer or hands free speaker problem on Nokia E73.
Solution for Nokia E73 with Ringer or Hands Free Not Working Problem
You may first check the filter coils in each polarity connection, there is an ESD filter chip and filter capacitors were also connected to it. You may replace this components if already damaged. If these components were both okay, the problem maybe lies on an open line connection paths. Trace it and mend to reconnect the open or cut lines.
For further troubleshooting, you may need to rework or replace the audio codec chip if the problem is not found on the line paths and filter components. The audio codec boost up the audio data signals before it feeds up to the ringer speaker. This option may help to fix Nokia E73 ringer speaker problem.
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