No power unit at all
PCB No power unit at all
Battery and usb charging board ok
938078
1 件の回答
評価: 148
4
"To diagnose this, we need more data:
- What is the current draw (Ampere) when connected to a DC Power Supply?
- Have you checked the VBUS and VBAT voltages on the motherboard test points?
- Does the PC recognize the phone when connected via USB (MediaTek VCOM Port)?"
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