When I connect to 3.8V my digital power supply shut-off. Even on low voltage 1.3V it also shuts-off. This means that the J120H board is fully shorted.
What I did was to put a 3.8V supply using my CD-R KING power bank :) As I connect the board to my power bank, 1 component has been burnt out. The is the capacitor. The shortage was gone after I removed the capacitor. I powered it on, and the J120H unit went well :)
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| using power bank as a supply |
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