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  1. R

    820-00850 5V 230mA

    Hi, i have this board, the board work well and shutdown for always. i see liquid spill on the board, I clean it by cleaner ultrasonic. the board have 5V with 250mA, I can see in DFU mode but error in restore. i have all signal SLPSR and awake. PPBUS is OK (12,31V). I don't know why maybe T2...
  2. R

    820-00165 Board start with apple logo (half bar) and shutdown

    I update some precisions. i have default picture on display when "shutdown", just on the screen, fan work again, backlight present. i see PPVCC_S0_CPU= 1,3V in this case. Thanks
  3. R

    820-00165 Board start with apple logo (half bar) and shutdown

    Hi, I try with a new good bios, same problem. I try in safe mode (shift press), the mba work well. maybe CPU? thanks best regards
  4. R

    820-00165 Board start with apple logo (half bar) and shutdown

    Hi, ok for boot without battery, but when not boot, is not normal? (the other Mac is bad?) I try Monday, the good bios. I try with new ssd, usb boot, without left io board, without trackpad and keyboard, same shutdown. I can install the System on the ssd but not boot on complete system.
  5. R

    820-00165 Board start with apple logo (half bar) and shutdown

    Hi, i have this board 820-00165 (mba 13 2017) the board start with apple logo half bar and shutdown. PPBUS and PP3V42 stay fix and good all the time. Strange thing the board start without battery (normally can't start, I think and test another mba). I try to clean me and same problem. I try in...
  6. R

    820-00292 No power

    PP3V3_S5 is short too, I think it's U1100 is damaged. don't waste more time? thanks
  7. R

    820-00292 No power

    Hi, this board with no power, no led, clean, I found a big coil (seems PP1V0_S5 is short), I can't find what component is bad. I inject 1v 3A, nothing become hot. how can I do to find without something hot? thanks Best regards Board with inductance remove
  8. R

    820-00850 liquid no display

    hi, no display in external, I restore the T2 but same.
  9. R

    820-00850 liquid no display

    L7210/20/70 = 0,8V i ear the Mac with voice over (three push on power button), I try the display on other Mac, he work well.
  10. R

    820-00850 liquid no display

    Hi, this board receive liquid near LVDS connector, the Mac start (I think) I have backlight on keyboard, light on usb mouse. I look defect component near U7100 (C7101,C7100,R7101,R7100 and some strap). I haven't the same board to change U7100, can I take it on 820-00239? thanks Best regards
  11. R

    820-00045 no boot stuck 20v 0A

    Hi, i have this board, no liquid spill. The Mac power start 20V 450mA and fall 0A PPBus = 8,5V All Big coil is good power. SMC_BC_ACOK = 3,3V I try to start Mac without battery, I see one time the Mac start and goes to the login windows (just power cable and display) Now nothing. What can I do...
  12. R

    820-01987 20V 0Amp

    PP3V3_G3H_PMU_VDDMAIN=3,32V PP1V8_SLPS2R=1,8V PP3V3_G3H_RTC=3,298V PP1V1_SLPS2R=1,105V PP3V3_G3H_PMU_VINRTC_R=3,3V Output: PP0V8_SLPS2R=0,803V PP3V_G3H_RTC=3,01V PMU_LDO3_OUT_R=1,802V CPU_C10_GATE_L=0,01V PP1V_S0SW=0,09V PP3V3_G3H_PMU_VDDMAIN=3,32V PP3V3_AWAKE=0,020V PP3V3_S5=0V is it liquid...
  13. R

    820-01987 20V 0Amp

    3V3_AWAKE in diode mode 0,612V normal.
  14. R

    820-01987 20V 0Amp

    sorry I forget a word I have all awake except PP3V3_AWAKE. PP3V3_AWAKE is It necessary to enter in DFU? liquid (near U6903) I reball U6903 seems good thanks
  15. R

    820-00840 20V 0Amp No PPBUS_G3H

    ok the battery is good, I test with another good part. I change U7800 and U5000, now the board work well, I test few cycle of charge. thanks
  16. R

    820-01987 20V 0Amp

    Hi, i have this board, I can't enter in DFU mode. PPBUS_G3H = 12,31V i have all SLP2R but I have all AWAKE (PP3V3_AWAKE) is it normal? thanks Best regards
  17. R

    820-01041 20V no power

    Ok i find C7607 short (PP5V_G3S) thanks for your help
  18. R

    820-01041 20V no power

    Hi, i have this board very clean, no liquid, stop to work in use. i have the 20V on usb-c, the current is cycling between 0,029A and 0,600A and fall at 0A I try to restore but I can't see the Mac in DFU PPBUS_G3H =12,31V but fall when the current fall. Same for all: PP1V8_SLPS2R=1,78V ...
  19. R

    820-00840 20V 0Amp No PPBUS_G3H

    ok i remove D6950 the SDA line come back to 0,419V in diode mode. I change the diode, all is normal but when I charge the battery, the SDA line come back with the problem issue. if I stay without D6950, the Mac work well. edit: the Mac stop to charge after 2min, the SDA line has a problem...
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