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  1. I

    820-02020 M1

    Thermal shows pulsing, tryng to boot.
  2. I

    820-02020 M1

    Changed it from same model board, still same behaivor
  3. I

    820-02020 M1

    Ill try to change it and put information here
  4. I

    820-02020 M1

    Problem with this m1, it looping and cycling 5.06 and 0.14-0.17-220mv when i watched with thermal u7700 cycling, can i change u7700 ?
  5. I

    820-00165 no power

    It boots and powers on when i short 2 legs u8180.
  6. I

    820-00165 strange battery problem

    Hey, first at all customer came to battery replacement, and now after changing it he comes back and battery seems dead, changed again new battery. worked 1 week and again dead, same problem is now 4 time in row, worked 1 week and battery dead. Where to find fault ? the batteries were different...
  7. I

    820-00850 5v, 0.16-0.20a

    Started another project and board not working, tested all cd chips and all same voltage. ppbus 12.32, but i noticed pp3v3_g3h not 3.3v, it showing 0.200mv. Where to start. board was liquid coffe damage. cleaned all spots and changed caps what was corroded.
  8. I

    820-00840 Charging problem

    Solved, u7000 was faulty
  9. I

    820-00840 Charging problem

    board working and booting fine with charger and no battery connected, but when i plug battery in it just keeps restarting and not booting correctly. what to check, what to do
  10. I

    820-01521-A, 5v 100ma

    5.06v 0.067ma and still not showing dfu, can u name specific controllers what to check for ssd and g3s or some resistors what voltages u need to know
  11. I

    820-01521-A, 5v 100ma

    AWAKE, SLPS2R all good
  12. I

    820-01521-A, 5v 100ma

    PPBUS_G3H -12.30-34 PP3V3 - 3.28 PP1V5 - 1.5
  13. I

    820-01521-A, 5v 100ma

    And board model is 820-01521-01
  14. I

    820-01521-A, 5v 100ma

    I think some problem with this line F7000 not getting ppbus
  15. I

    820-01521-A, 5v 100ma

    And when i connect battery then it shows 20v 0a, when battery disconnected then 5v 0.60-75ma
  16. I

    820-01521-A, 5v 100ma

    its not going to dfu,everywhere where should be 3.4v is 3.2v and ppbus 12.30-34
  17. I

    820-01521-A, 5v 100ma

    Seems low ? what to check
  18. I

    820-01521-A, 5v 100ma

    ppbus 12.34 3.2v also in place
  19. I

    820-02020-a Charging problem

    Hey, got new interesting board on table, no liquid no burnt area. everything like new. Board not charging. but when using dc it turn on and working, but when i remove battery both ports 5v and 0.025A. and when battery connected 1 port is 5v and another is 20v 0a and still not charging, tryed 4...
  20. I

    820-4924 strange issue when opening lid after sleep

    Everything works, exept when computer starts from sleep it shows colorful display for 1-2 sec and then normal. sometimes green lines and green spots. no liquid and board seems like new.
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