Heres the solution that may possibly help fix
and repair Nokia 2690
Earpiece Speaker No
audio sound output problem.Nokia N78 White, Blue, Black and Blank Screen Display problem solution
2690 earpiece speaker jumper ways
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.
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