I ordered a Bluetooth earbud one and half year ago, and right earbud broke. The light that should have been red when you put it in the charging case started to turn blue continuously(which means earbud is not charging) and after 1 week the earbud completely died. I disassembled right earbud because the warranty finished. I diagnosed the battery was dead, so I charged it with TP4056 and revived the battery.
Right earbud is working now but I still didn't solve charging problem. I checked the charging box with a multimeter. There is 5V. I checked the headphone pins and they are working. Since there is no schematic of the headset on the internet, I could not figure out what caused the problem. Anyone have any ideas about the cause of the problem?
Here is photo of board and explain
B1 B2 : battery pins
1 2 : pins which are going to speaker of earbud
3 4 : pins which are charging the battery from charging case
If any questions or advise I'm open for all. It will be good challenge for me
Thanks
Right earbud is working now but I still didn't solve charging problem. I checked the charging box with a multimeter. There is 5V. I checked the headphone pins and they are working. Since there is no schematic of the headset on the internet, I could not figure out what caused the problem. Anyone have any ideas about the cause of the problem?
Here is photo of board and explain
B1 B2 : battery pins
1 2 : pins which are going to speaker of earbud
3 4 : pins which are charging the battery from charging case
If any questions or advise I'm open for all. It will be good challenge for me
Thanks
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