A customer brought this headphone to me; problem is one channel of the headphone is not working. After connecting this headphone to my PC I played songs to confirm the problem and I have found the same problem, there was no sound from one ear piece. I have started the fault-finding by checking the unit for any physical damage and everything seems to be ok from outside.
I opened the unit by removing 3 screws and pull the cover gently. As expected I saw one of the wires came out from the small circuit board.
Now with help of magnifying glass I have to find out where this cable is belong to ; luckily it is visible on solder joint where this wired. I have also found some other dry joints on the board too and resoldered all the points. After that I connected the Headphone to my PC for testing and yes it was working now.
This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.
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