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  1. B

    01949 Not posting (LR357)

    Tried with internal keyboard and external. Nothing happens when holding T key. Powered off laptop then pressed and held power button, the laptop posts, displays logo and then shuts down.
  2. B

    01949 Not posting (LR357)

    No. The only input it responds to is the power button.
  3. B

    01949 Not posting (LR357)

    I tried that both with internal and external keyboard but no success.
  4. B

    01949 Not posting (LR357)

    There is data.
  5. B

    01949 Not posting (LR357)

    I replaced it again. Back to 20v. I put the board back in but didn't connect peripherals. It just shows apple logo. No loading bar.
  6. B

    01949 Not posting (LR357)

    I removed the new R3208 and it's now giving OL It should be 1M
  7. B

    A1708 820-00840-A 5V 400ma

    I extracted it and it's reading as 0
  8. B

    01949 Not posting (LR357)

    I removed the board and it's back to 5v
  9. B

    01949 Not posting (LR357)

    Stopped charging. Worked on battery until battery died. Found corrosion on R3205, R3120_T, and R3208. R3208 was badly damaged so I replaced it. Connect the charger and got 20v. Put the mobo back in and reconnected everything, but then only got 5v.
  10. B

    A1708 820-00840-A 5V 400ma

    The pdf says that R7847 should be 4.7K but I can't see what R7807 should be.
  11. B

    A1708 820-00840-A 5V 400ma

    Ah, okay. I tested the R7847 that I extracted and it gives 4.5K I will extract the other.
  12. B

    A1708 820-00840-A 5V 400ma

    R7807:1 0.398 R7807:2 0.398 R7847:1 0.398 R7847:2 0 I replaced R7847 and got the same results.
  13. B

    A1708 820-00840-A 5V 400ma

    Will check now. 47 looks odd.
  14. B

    A1708 820-00840-A 5V 400ma

    PM_RSMRST_L does not budge from 0v definitely.
  15. B

    A1708 820-00840-A 5V 400ma

    When you say PCH you mean PM_SLP_S5_L specifically?
  16. B

    A1708 820-00840-A 5V 400ma

    PP3V3_S5G 0v PP3V3_S5 3.31v 0.340
  17. B

    A1708 820-00840-A 5V 400ma

    PP3V1_RTC 3.08v 0.395 RTC_RESET_L 3.07v 0.776 PPDCPRTC_PCH 1.1v 0.595 PCH_SRTCRST_L 3.07v 0.775 PCH_INTRUDER_L 2.67v 0.777
  18. B

    A1708 820-00840-A 5V 400ma

    I understand that. Is there anything else I can try. Thanks.
  19. B

    A1708 820-00840-A 5V 400ma

    How do I confirm?
  20. B

    A1708 820-00840-A 5V 400ma

    :'(
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