Aorus 15p xc

[makar303]

Hello. I'm experiencing an issue with my Aorus 15p xc laptop.
The motherboard is GA-RX5LXC.
The problem I'm encountering is that the laptop sometimes fails to power on, and it appears that a protective mechanism is being triggered.
I've observed that while the laptop is in operation, the EDP_U8 microchip (I've included a photo) heats up significantly, reaching temperatures of 75-80 degrees Celsius.
However, when I disconnect the LCD from the motherboard, the EDP_U8 microchip doesn't heat up. I've conducted power supply measurements with the screen disconnected.
Upon connecting the screen, the voltage at the contact drops from 1.22V to 1.089V, and the microchip starts to heat up intensely. Through testing with a tester, I've determined that this contact is connected to multiple contacts on the EDP_U2 PS8461E microchip. Does anyone have access to the datasheet for the EDP_U8 or EDP_U2 PS8461E microchip, or the schematic diagram for this motherboard.

Thanks for help

[makar303]

Re: Aorus 15p xc

I find it it's richtek rt9166a-12gxl

[soyelmarce]

Re: Aorus 15p xc

same problem! The laptop turns on, the fans work but it doesn't play video and it doesn't start anything. With a USB tester you can see that it doesn't go beyond that. Some sources are off, others on. I think it's the same problem. How did you know that the rt9166a-12gxl is failing? I get 19.5v to the positive of the c2353 (ee7) then without voltage in the edp_u8, thank you!