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Kamis, 20 Maret 2014

Nokia N78 Mic,mouthpiece microphone Failure solution

Nokia N78 Mic,mouthpiece microphone Failure solution - welcome to the blog Software Gadget the end of this much calm product information launcing, yes every day there are always products that are removed from various brands, both physical hardware products and software that need new knowledge to use it, well now we will discuss first about Nokia N78 Mic,mouthpiece microphone Failure solution as you search we have collected a lot of data to make this information as complete as possible for you, please read:

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Nokia N78 Mic,mouthpiece microphone Failure solution

Here's the solution that may possibly help fix and repair a microphone failure on Nokia N78 cell phone handset. In Nokia N78 the microphone line track is connected over the keypad flex cable wire connection. If something went wrong and the microphone failed to have an audio signal output during transmission, The problem may possibly lies on a faulty mouthpiece microphone, a damaged flex cable and a faulty microphone signal line paths. This solution below shows the microphones line tracks that needs to be trace after ensuring that the microphone is okay and the flex cable is also okay.



Nokia n78 microphone failure solution
nokia n78 microphone jumper ways tracks

The microphone's positive terminal line tracks is connected on pin 22 of the keypad pin connector, while the negative terminal is on the PCB grounds. There is also a bypass capacitor connected to it, if the capacitor is oxidated or shorted due to a wet damaged this also result to microphone failure problem.



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