Nokia E73 Ringer, Hands Free Speaker Solution

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.

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.

Nokia C7 Solution - Power ON-OFF Switch Jumper Ways solution

Here's a solution for Nokia C7 power ON OFF switch when damaged or being lifted.

If the Nokia C7 shows charging indication when the battery charger is being plug-in but unable to switch on when pressing the power switch button, this solution might possibly help fix and solved the problem.

This solution shows the connection line paths of Nokia C7 Power ON OFF switch which can be used for applying jumper when the power switch is not working or unable to turns ON the device .

Nokia C7 Power ON OFF Switch Jumper Ways

The highlighted components above is where the power switch is being connected, if these components were damaged it will result to power switch failure. You may need to check and then replace these components as well.
There is a risk that the power switch on Nokia C7 may sometimes damaged and the switch terminal solder pads will be lifted and found hard enough to install it back. If these happens you may need to strongly bond the power switch to its original position and do a apply a jumper wire on it is one of the option.
You can use the solution above to determine which particular components you can put and solder a jumper wire when needed.

Nokia E73 Solution for Not Working Earpiece Speaker Problem solution

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.

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.