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  1. bjf

    820-02098 stuck on 5V

    Shorted C5701. Board works now. PP3V8_AON diode is still at 0.180. Weird. Should be at 0.360.
  2. bjf

    820-02098 stuck on 5V

    Or maybe it's in some sort of switched state and the short is normal?
  3. bjf

    820-02098 stuck on 5V

    Thanks. I found a dead short on P3V8AON_PVCC. Need to figure out what's causing that.
  4. bjf

    820-02098 stuck on 5V

    any thoughts? any ideas besides injecting current.
  5. bjf

    820-02098 stuck on 5V

    Any other way to go about this? I'm not board repair anymore, so I'm trying to avoid investing in equipment for just one computer. Are there any likely culprits with this type of thing, maybe based on the location of the spill also?
  6. bjf

    820-02098 stuck on 5V

    Any thoughts on how I might find this short? I don't think injecting voltage is going to help being that it's not much of a short.
  7. bjf

    820-02098 stuck on 5V

    Hi, yes, it's supposed to be around .360. I'm trying to find the source of the short but can't figure it out.
  8. bjf

    820-02098 stuck on 5V

    This had liquid-damage. After cleaning it, it worked fine but the front left USB was stuck at 5V. The computer worked fine for about a year and now all the USB ports are stuck at 5V. I'm posting pre-cleaning pictures. Any thoughts? PP3V8_AON is at 0V PP3V8_AON diode is at 0.180 PPBUS_AON is...
  9. bjf

    Repair via to other side of board?

    Thanks, it's not a hole so I'll have to figure out some way to run wire. The problem, as always, is how delicate the connection points are. Any movement of the wire on a 201 resistor will pull it off.
  10. bjf

    Repair via to other side of board?

    Does anyone have any tricks for accessing and soldering to a via where the pad is gone and you're only left with the microscopic dot of a line going to the other side of the board? Running a wire to the other is not an option for this repair because of the positioning of the damage.
  11. bjf

    Broken MacBook purchasing site for sale

    Hi, I'm selling my online broken MacBook purchasing website and am talking to people that might be interested. We've been on the first page of Google for most relevant results for the last 6 or 7 years. Online reviews are all positive. Contact me directly if you're interested. Let know the...
  12. bjf

    820-00923 Power button not working.

    Any other thoughts on this?
  13. bjf

    820-00923 Power button not working.

    Yes, it stays on. Pressing the power button has no effect no matter how long I hold it. It doesn't turn it on or off. No change when using pads. Continuity is good between all the points. SMC_OFF_L is measuring about .715 in diode mode so that's normal also.
  14. bjf

    820-00923 Power button not working.

    Yes, everything works normally but the power button has no effect, it doesn't turn it on or off, even though it's pulling SMC_ONOFF_L low.
  15. bjf

    820-00923 Power button not working.

    This board had a spill around the power button. I cleaned it up and all the pins on the power button connector are functional and reading correct diode numbers compared to a good board. Touch ID works fine. The power button is pulling SMC_ONOFF_L low and I'm measuring that all the way over to...
  16. bjf

    Anyone need a source for 2010-2012 Pros and Airs?

    We're down to one technician so there's no way we're going to get to 80% of the stuff we're buying. We're just filling up our shelves right now with purchased computers. Let me know if anyone's interested in a source for Pros or Airs or both from 2010-2012. (We're in the U.S.) We bought all of...
  17. bjf

    2019 15" Pro shuts down at restore

    I have a 2019 15" that goes through the online recovery and then shuts down at the same point every time. It will do the initial boot with countdown, then does a quick fan spin up and shuts down. It's as if I've done an SMC reset - very similar sound with the quick fan spinup. It did boot all...
  18. bjf

    Anyone know an AASP?

    I'm getting killed buying T2 computers. They're directly from customers, and about 90% are fine, but the other 10% are a complete pain and it's starting to add up. I understand that they're worried about their files not getting deleted, but they're assuring me beforehand that the computer has...
  19. bjf

    820-00928 Power button not working

    Ran a wire halfway across the board. Working fine now.
  20. bjf

    820-00928 Power button not working

    Ok, just a blown trace. R5179 and R5256 are fine, but SW5200 is not connected to the line. Some damaged occurred at TPAC517 which seems to be the source of the problem. Need to figure out how to repair this line now.
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