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  1. Djsp

    A1989 5V does not turn on

    I have this card 820-00850 that has the following values 5v 0.060 ppbus 12.26 3v3g3h 2.50
  2. Djsp

    820-02098 usbc not working

    Hi, I have this board on which the USB ports relating to JF601 and JF600 do not work, or rather it works as regards charging, therefore input voltage, but it does not work for the output voltage, this measured with a USB meter in reverse to see if the ports supply voltage, while JG600 works...
  3. Djsp

    A2251 20v restart the power

    Hi I have this board that has 20v and current that restarts continuously 0.060 0.010 A I performed the swap of the soc T2 and the ssd nand from the donor board, the board enters dfu mode but the process blocks without returning any error I have no voltage on PP2V5_SSD or on L9030 L9021 or L9020...
  4. Djsp

    A2442 PMU

    Is it possible to use the PMU of an A2485?
  5. Djsp

    A2681 no Keyboard

    a2681 with liquid damage on LT400 and UC850 and JT400, both touchpad and keyboard did not work, I fixed UC850 and everything started working again but suddenly the keyboard stopped working, while the touchpad and feedback work perfectly, I tried replacing UT3A0 and it started working again, then...
  6. Djsp

    820-01700 DFU error 4014

    Hi, I have this 820-01700 board, which I replaced with a donor T2. When I power it, the board is in DFU mode. Soc_dfu_statu is 1.8V. I try to restore it with Apple Configurator, but it gives me this error: "Unexpected device state 'DFU' expected 'RestoreOS'" Error 4014. I checked all the AWAKE...
  7. Djsp

    A2141 Question mark

    I have this MacBook that has a question mark at startup as if there was no operating system I enter the recovery but if I start the installation freezes and restarts if I try to enter the disk utility it crashes and restarts at the question mark, where should I start?
  8. Djsp

    820-2098 stuck 5v liquid damage

    I have this card blocked at 5v 0.20A-0.25A PPBUS =10v unstable 3v8 aon =3.7 stable I don't get 3.3 LDO the liquid damage affects the MagSafe side, I solved a short on the ic that manages the audio jack 3v8 aon in diode mode and 0.56
  9. Djsp

    820-02098 A 5v unstable amperage

    I have this card which, if powered by JG600, restarts continuously and 0 to 5v with unstable amperage, however if it is powered by JF600/1 5v 0.37 and then 0.02 stable PPBUS_AON 1.5 and nothing PP3V8_AON
  10. Djsp

    820-02020 SSD

    Can someone recommend a useful temperature and airflow to safely remove the ssd nands of a MacBook Pro 820-02020
  11. Djsp

    Question 820-02020 swap cpu and nand

    I would like to have some advice regarding the possibility of doing a swap of the processor and the NAND, is it possible to carry out the removal and installation of the M1 CPU without a BGA station, but with only the 861.. If possible, what temperature and speed do you recommend I use?
  12. Djsp

    A1990 no power 20v 0.03a

    Hi, I have this board that, gets 20v but loops 0.000 to 0.003a PPBUS 12.30, no liquid damage.
  13. Djsp

    820-01041 video artifacts

    I have this MacBook that has these artifacts when turned on but it boots and the touchbar displays the choices I can't understand the lcd problem I tested it on another board and it works the only anomaly I found it on pp1v5r1v35_s0_gpu_mem that in diode mode 0.204 and on a working board it is...
  14. Djsp

    820-01041 no power no dfu

    Hello I have this machine stopped on the 5v 0.09A on the usb ports on the right and 20v 0.02A on the usb ports on the left, Also the voltages wrong at U7800 are unstable or they are in loop between 0V and the nominal value PPBUS 12.57
  15. Djsp

    820-01041 video problem

    820-01041 with video problems turns on you can see the apple only a series of colored lines, I thought it was the typical problem of flex but I tried another good screen and it has the same suspicious defect a problem all gpu the tuch bar works and displays the keys, no external video
  16. Djsp

    Replace A1989 T2 to A1990

    Hello is it possible to use the T2 of an a1989 on a logic board of an a1990 obviously paying attention to the capacity of the T2 and ssd
  17. Djsp

    820-00928 PP3V3_S0_LEFT short

    I have this card going on 20v but with 0.001A I discovered a short on pp3v3_s0_left lifting u8295, mo I can't find the component in short how many Volts should I use to find it ?
  18. Djsp

    AON in PPDCIN_AON example

    Hi! What is meant by AON in PPDCIN_AON example
  19. Djsp

    820-00850 internal screen not working

    Hi, I have this machine where the internal video doesn't work, but I get the external video, I've already found myself in similar situations, and the damage seems to be a CPU data line. I get EDP_PANEL_PWR_BUF_EN, EDP_PANEL_PWR_BUF_EN, PP3V3_S0SW_LCD_R, DP_INT_HPD with their nominal value, the...
  20. Djsp

    A1708 820-00840 No Backlight

    Hello solved the problem of Flexgate by replacing lcd, but it does not have backlight, here are some measurements: PPVIN_S0SW_LCDBKLT_F = 13V PPVIN_S0SW_LCDBKLT =12V EDP_BKLT_EN= 0v BUF_EDP_PANEL_PWR_EN= 3.40v EDP_PANEL_PWR_EN= 3.10v PANEL_P3V3_EN_DLY= 3.29v
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