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  • MacBook Pro A2251 - 820-01949 Voltage Drop and unkown issues.

    Hello forum,

    I'm still relatively new to the world of electrical repairs.

    I have a Macbook here that I can't figure out

    When the battery is gone, the USB input consumption goes up to 20 V and 0.06A. But it breaks down after about 2-3 seconds and you can also hear a small ticking on the logic board. But I can't pinpoint it exactly.

    I removed the logic board and took a few measurements.

    But I can't really figure it out.

    At first I thought the infamous CD chip was defective - but then of course you read more on the internet...
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  • MacBook Pro A2289 no signs of life except clicking trackpad and charging

    Hi,

    I hope this is the correct place to post about this device. I originally posted regarding this on iFixit so see the details from that post below:

    "I'm hoping someone can give their opinion on the symptoms I'm seeing before I spend any more time and put money into this. I got this MacBook from a customer and after looking at it they decided they didn't want it.

    It doesn't turn on and there's no visual signs of life. I have tried resetting the NVRAM, SMC, power cycling, unplugging the battery, using the charger with the battery unplugged. Removed the...
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