My Solution

Heres the solution that may possibly help fix and repair Nokia 2690 Earpiece Speaker No audio sound output problem.
You may need to ensure and check that the earpiece  speaker is working before replacing those components composed of filter coil and an ESD filter. If all of those components were all seem good the problem may lies on a broken line paths from the power and audio IC (AVILMA). So , for further troubleshooting you may need to rework the power supply chip that might possibly fix and repair Nokia 2690 Earpiece Speaker Sounds problem.