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    820-00840 X in battery icon [LIQUID DAMAGE]

    Tried out a new battery and still the MacBook only powers on when plugged in and there's an "x" in the battery icon. I'm been having trouble getting the battery data cable plugged in on the batteries daughter board side so when I tested the original battery and the new battery it was without...
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    820-00840 X in battery icon [LIQUID DAMAGE]

    I get 3.4V for both SCL and SDA lines on the battery bus. I don't have an o-scope. I'm new at this but from what I've gathered it's pointing to a bad battery... is this a "correct" assumption? I don't have a known good battery in stock but I'll order one and try it out Thanks
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    820-00840 X in battery icon [LIQUID DAMAGE]

    Hello, I have an A1708 with an 820-00840 logic board. This came in with liquid damage and initially, it did not start at all. I cleaned the corrosion best I could with the trusty toothbrush and alcohol and now it starts but the battery icon has an X in it. The closest video I could find on...
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    Charging Diagnostic Fee when the device is found to be perfectly fine.

    Good advice! Ended up not charging the client for the diagnostic and then we were talking about him bringing in a Macbook with circuit board damage. If it works out that would make it our first circuit board repair for a Macbook!
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    Charging Diagnostic Fee when the device is found to be perfectly fine.

    I run a drone repair business. We don't charge a diagnostic fee to see what is wrong with their drone. The diagnostic fee is applied to the final price. 97% of the time something is wrong from the crash and we quote them a price to fix it and most of the time they go through with it. The...
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    Broken solder joints on flight controller for DJI Phantom 3 Pro

    Thanks for the suggestion Alan. I've got some flux on the way now so let's see how it turns out.
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    Broken solder joints on flight controller for DJI Phantom 3 Pro

    Hi, I am working on repairing a DJI Phantom 3 Pro. After opening up and diagnosing the drone I have found that the solder joints that connect the flight controller to the rest of the board have been separated. The flight controller board is separate from the main board and is housed in the...
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