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f you have a mic problem in cellphone nokia 2690.not voice is going to the destination mobile or low voice goes to the destination cell phone then you can solve this problem with help of these few steps and with this diagram.in first step check mic with multi meter.
and then in second step check mic points on the board if at board you can see connectivity and value is good then here can be attachment problem between mic and board.
if mic is not showing value then change mic in cellphone.and if on board you can not see good value then you can see these parts that are inline with red color so that its continuity can be ok and the mic broken links can be re constructed.
and then in second step check mic points on the board if at board you can see connectivity and value is good then here can be attachment problem between mic and board.
if mic is not showing value then change mic in cellphone.and if on board you can not see good value then you can see these parts that are inline with red color so that its continuity can be ok and the mic broken links can be re constructed.