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  1. R

    820-00840 20V 0A

    ok i change U7000, same problem
  2. R

    820-00840 20V 0A

    no I don't change U7000, I haven't new one but I have board to keep it but I don't know if U7000 is good. I try and come back
  3. R

    820-00840 20V 0A

    Hi, on this board, I get 20v 0A and ppbus_g3h 1V with no short (diode mode 0,250) At U7000 Aux_det 5v R7020/21/61/62 are ok TBA_HPWR_EN_L 3.4V PM_EN_P3V3_G3H 5V SMC_RESET_R_L / SMC_RESET_R 3.4V SMC_CHGR_INT_L 3.4V CHGR_ACOK 3,3V SMC_RST_IN 0V PD_SMC_CBC_ON 0V R7075 is 5ohms and TBA_VDDA is 5V...
  4. R

    820-3662 no green led

    Sorry, PM_BATLOW_L = 0v with original magsafe 2 85W.
  5. R

    820-3662 no green led

    YEs 0V, I haven't the battery, only the logic board. No it's an original magsafe 1 85W with original adapter. Is not good? thanks edit: I try with an original magsafe 2 85W, always no led.
  6. R

    820-3662 no green led

    i change the SMC, same problem, led green is very low
  7. R

    820-3662 no green led

    Hi, i have this board 820-3662 who don't want to boot, I change already because U7190 is short (hole black on the component), I change too U7100, R7101. Now I have PPBUS_G3H, Clean board, no liquid. PP3v3_S5 and PP5v_S5 are present. Missing PM_SLP_S5_L and SMC_S4_WAKESRC_EN which are required to...
  8. R

    820-01958 DFU ok but not boot

    No I haven't cpu core voltage, no USB activity. PPVCC_CPU_PH1=PPVCC_CPU_PH2=PPVCC_CPU_PH3=0 VCCINAUX_R=1,8V trackpad force touch work thanks
  9. R

    820-01958 DFU ok but not boot

    Hi, this board clean (no liquid), I can restore in DFU the Mac and finish the restore without any error but nothing on the display. PP1V2_AWAKE 1.2V PP1V8_AWAKE 1.8V PP3V3_AWAKE 3.3v PPVDDCPU_AWAKE 0.755v PPVDDCPUSRAM_AWAKE 0.802v PP0V8_SLPS2R 0.800v PP1V8_SLPS2R 1.8v PP1V25_SLPS2R_SMC_AVREF...
  10. R

    820-01958 no DFU

    no I can't enter in DFU, I don't waste more time, thanks
  11. R

    820-01958 no DFU

    PP1V8_G3S = 1,8V PP5V_G3S=5V PPBUS_G3=12,6V PP0V9_SSD0=0,9V PPVCC_NAND_SSD0=2,5V PPBUS_G3H_SSD0 = 12,6V With board remove of the top case, and alone on my desk.
  12. R

    820-01958 no DFU

    OK i have nothing but no short on L9060, L7210, L7400, L7230, L7220, L8410, L8100. Diode mode: L9060=0,355, L7210=0,135, L7400=0,158, L7230=0,135, L7220=0,135, L8410= 0,865, L8100=0,165. I try without audio flex, same problem.
  13. R

    820-01958 no DFU

    Hi, this Mac fall on the floor, no liquid spill. I have 20V 1,2A normally the Mac charge. But no chime, no display. I can't put the Mac in DFU. I measure PP1V2_AWAKE 1.2V PP1V8_AWAKE 1.8V PP3V3_AWAKE 3.3v PPVDDCPU_AWAKE 0.755v PPVDDCPUSRAM_AWAKE 0.802v PP0V8_SLPS2R 0.800v PP1V8_SLPS2R 1.8v...
  14. R

    820-00928 usb not work

    Hi, i have this board, seems clean. i have one port USB not work (bottom left). work in charge but not in usb drive, mouse work. What can I do to solve this problem? I don't understand how this port work. thanks
  15. R

    820-00875 no bluetooth

    Hi, i change it but no wifi and no bluetooth now. do I need to change something on EFI? or clean ME? thanks
  16. R

    820-00875 no bluetooth

    adress null, is not good no? I can't enable it. the adress is on the chip, no? can I change by another one, keep on a donor board?
  17. R

    820-00875 no bluetooth

    I can see that link
  18. R

    820-00875 no bluetooth

    Hi, i have this board no liquid spill with wifi work well but bluetooth, I can't activate. PP3V3_S4_WLS = 3,3V SMC_BT_PWR_EN = 3,4V AP_RESET_L= 3,28V i reball U3700 but nothing change, can I change it or other kind to check? thanks Best regards
  19. R

    820-00850 5V 230mA

    Hi, yes I try with a battery connected. PP1V8_SSD0 = 0 PP0V9_SSD0 = 0 sorry for the slow answer, I haven't time. now I'm ready to find solution of this Mac.
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