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  1. B

    820-03129 water damage

    820-03129 water damage stay on 5,19-5,21v jumping . nothing get hot , lot damage at u7000, is that chip can be changed or its working only whit that board, it will work when i take it from donor board? do you have boardview and schematics?
  2. B

    820-02016 not working

    i change q5230and 40 and start working but still got problem that when i try to use youtube or even conecting charger it reset because of sound, i found problem - ur600 . i change that and now sound work and dont restart. thanks for help
  3. B

    820-02016 not working

    c5254 - 5,28v
  4. B

    820-02016 not working

    ppbus_aon - 4.5v u5200 get hot, changed - the same u5700 only pbus_aon - 4,5v i change it but the same
  5. B

    820-02016 not working

    come back again, it starting and work till you try to watch youtube... when you push play on youtube - pink screen and restart, now its not starting.when i connect power there is shot on F5200 and u5200 get hot but changing u5200 dont change anything
  6. B

    820-01598 stop working

    diode mode similar, there is continuity whit them
  7. B

    820-01598 stop working

    i check and dont have connection on usbc_xa_cc2 i wire from tp[1]usbc_xa_cc2 and get connection to c3114 but still black screen on voltage tester
  8. B

    820-01598 stop working

    i change u3100 fron the same working mainboard and the same, i check d3399 and on site of cabel working i got 5.17 on other i get 0v and black screen on voltage tester.
  9. B

    820-01598 stop working

    i change to big dot but still a problem, that u3100 work on one side of usb c , when i flip the cable black screen on voltage tester usbc_xa_cc1- 577 usbc_xa_cc2- 577
  10. B

    820-00840 no charging

    i replace all of them and still the same, working on battery but dont charge battery
  11. B

    820-02016 not working

    repaired , cr812 make short to ground on ppbus_aon_l_spkramp. thanks for help
  12. B

    820-01598 stop working

    is there any diffrence betwen u3100 big dot and small dot chip? i change cd3217b12 big dot to small dot because i got small dot new ones only.
  13. B

    820-00840 no charging

    dont start stay at 5v, wats go up and down 3-4 ampers - go like 15-18-22 and again, sometimes get 0 and again 15-18-22
  14. B

    820-00840 no charging

    sorry, now voltage tester work on all sites. if i flip it work now. U7000 again: ppdcin_g3h_chrg- 5,17v tba_aux_det- 1,28v smc_rst_in- 0v tba_vdda- 5v tba_vddp- 5v Pm_en_p3v3_g3h- 5v chgr_amon- 0v chgr_bmon- 0v
  15. B

    820-02020 don't switch off lcd when closed

    problem is whit magnet at speaker next to jr200, i take out the magnet from speaker and now its working normal.
  16. B

    820-01598 stop working

    sorry usbc_xb_cc1 - 585 usbc_xb_cc2- 585 usbc_xa_cc1- 491 usbc_xa_cc2- 570
  17. B

    820-00840 no charging

    U5274 1-3,3v 3-0v 4-0v 5-3.3v 6-0v
  18. B

    820-01598 stop working

    usbc_xb_cc1 - 0.14v usbc_xc_cc2 - 0,14v usbc_xa_cc1- 0v usbc_xa_cc2- 0v
  19. B

    820-00840 no charging

    only charger, no battery U7000 ppdcin_g3h_chrg- 5,7v tba_aux_det- 1,28v smc_rst_in- 3,45v tba_vdda- 5v tba_vddp- 5v Pm_en_p3v3_g3h- 5v chgr_amon- 0v chgr_bmon- 0v
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