Re: Macbook Air A2179 Logic Board Component Find

The Keyboard is Org and works fine but the screen is from ebay. I bought the Macbook from someone on Facebook Market with a bad screen, He told me it was a 2018. So I ordered a 2018 screen installed it and that's probably where the problems started. I returned the 2018 screen and ordered the proper 2020 but I still didn't get backlight keyboard and camera. So I decided to pull the logic board and found L8570 blown and welded to the board. I got a copy of brdview and schematic from here I have a 10x binocular scope with a barlow lens,...

Re: Macbook Air A2179 Logic Board Component Find

I confirmed the 3 lies were getting proper power and decided it was ok to make a bridge from L8570 to CC774 and CC775 on the PP5V_G3S rail. Pretty confident and getting the proper voltage. I put it back together and there was still no keyboard backlight or camera. So I took it apart again and desloderd L8570 and CC774 found another trace gone and no longer getting power to CC775 either. I am thinking about running a jumper from R7401 but not confident with that idea. Maybe I should remove U8500 to see it it has traces missing also...

Re: Macbook Air A2179 Logic Board Component Find

I have a similar problem with my Macbook air A2179 2020, But I think the U8500 is bad also because when I found the L8570 it was welded to the board and the trace is now gone (On the PP5V_G3S SIDE) I pulled one off a old MBP board I had and jumped it to the cap below in the same rail thinking that it would fix it, but it didn't work. Do you know the actual part number for U8500, so I can order one from somewhere or know if it might be on a older MBP? Any help would be appreciated.

Re: iMac 27" Boardview Need - 820-3478-A

I can't get this to open with openboard viewer, Thanks in advance

Re: 2011 Mac Mini 820-2993-A no power

I have Mac mini same model that has limited power on the board as well. Does anyone have any kind of diagram or know of anything to help check power rails to fix it?