FlexBV now has a free version too if you want improved features including OpenBoardData diode values and Teboview - https://pldaniels.com/flexbv5/download.php ( down the bottom, see the win, macOS and linux icons )
820-02773-A schematic BRD help
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YouTube Repair Videos - https://www.youtube.com/user/19PLD73
FlexBV BoardView software - Linux/OSX/Windows - http://pldaniels.com/flexbv -
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by sdogsGreetings to the entire forum, I ask you for help because I'm going crazy. A dear friend of mine gave me a macbook pro M1 A2338 that only works with an external screen. With the internal one, no backlight or image. Only the external display is detected from the system settings.
First I changed the display flat, then I made a backup with time machine and tried a reset in dfu but nothing to do, always the same problem.
I analyzed the logic board, it shows no sign of liquid or visible damage. I then moved on to examine the logic with the thermal camera and found that the UP701 chip was... -
by sdogsGreetings to the entire forum, I ask you for help because I'm going crazy. A dear friend of mine gave me a macbook pro M1 A2338 that only works with an external screen. With the internal one, no backlight or image. Only the external display is detected from the system settings.
First I changed the display flat, then I made a backup with time machine and tried a reset in dfu but nothing to do, always the same problem.
I analyzed the logic board, it shows no sign of liquid or visible damage. I then moved on to examine the logic with the thermal camera and found that the UP701 chip was... - Loading...
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