6300 china no mic solution

Hey good time to you there cellphone technician who face the problem such as no power, no signal, no display, keypad malfunction or not working all keys, no tones like ring tone, out and incoming voices... don't worry at all just study the characteristic on this kind of unit. but frankly speaking that the truth is very hard to find a solution on this king of trouble specially on china mobile so I gathered some of this collection of trouble and lets find it the way how to solve and share it here online.

below is some of my collection base on 6300 china.

*6300 china no mic solution

So okay lets start the collection on 6300 china no mic or no outgoing voice.
-first step to take for this kind of problem is to check the mic itself if still working
and try to replace if it not working. to do this you must use a tester and test the microphone

-check the connection if no lose contact or make sure to clean up all the pad connection
use some thinner or pencil eraser is one of the useful on this matter.

if still not working, so it means that it is not a ordinary mic problem and we must find some rarely solution, okay i have a image solution below just compare my image on your PCB if they are the same and follow the color line instruction and make a jumper wire and connect it using soldering Iron and Led. if the PCB are different don's follow this.

So good luck if this solved your poblem and more updates to come on some other collection regarding on 6300 china mobile collection.