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  1. R

    820-02098 orange light but never green

    hi, ok for the green light. I check the data cable is OK. Voltage: SDA= 0,1V SCL= 0,7V in diode mode with battery, no power: SDA=0,456V SCL=0,456V in diode mode without battery, no power: SDA=0,52V SCL=0,52V
  2. R

    820-02098 orange light but never green

    Hi, i have this board with orange light magsafe 3 but not green, when I test the Mac in MRI, can't detect power adapter. I use an original power adapter 96W with original cable. the board is clean, no liquid, nothing burn. I try the board without battery (orange led), is it normal? the Mac work...
  3. R

    820-1700 Battery original detect but to replace

    ok but not work on Mac? how do you do? parallels? yesterday, I try another battery functional, the Mac work perfectly with good battery. I think I receive bad battery by apple. thanks
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    820-1700 Battery original detect but to replace

    yes I'm an IRP repair office. I have order 2 new top case with battery in GSX. but same problem with 2 battery. I try just one on another Mac same problem after I order the second battery. I thinks it's strange apple send 2 defectives battery but maybe possible. no more test point to check? I...
  5. R

    820-1700 Battery original detect but to replace

    sorry the battery charge with Chinese battery, and not with original apple.
  6. R

    820-1700 Battery original detect but to replace

    ok I restore the Mac in DFU. I stay the Mac in charge all this night, the problem is always here, with the 2 original part. the battery charge with the genuine battery. AST2 problem I think the battery is not seen by the motherboard. I change the BMU flex 3 times. another thinks to check on the...
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    820-1700 Battery original detect but to replace

    I try to restore only. not revive, is it different?
  8. R

    820-1700 Battery original detect but to replace

    Hi, i have this Mac board 820-1700, the board work well on battery with a genuine battery but not original. No liquid spill, the customer say, Mac don't use since 2019 when he want to use now not work. I try 2 original battery (come by apple with top case). I restore the Mac in DFU same...
  9. R

    820-01700 5V 0Amp liquid

    i have change the PMIC for 820-01700. I have 5V 0,050A now. short is remove, I have PPBUS_G3H=12V I have PP1V8_SLPS2R short too, when I inject 1V I have T2 chip become hot, can I replace it? I think 'no' 🙃 thanks
  10. R

    820-01700 5V 0Amp liquid

    ok thanks, I test and come back
  11. R

    820-01700 5V 0Amp liquid

    Hi, i have this board liquid spill U7800 is short on signal PP3V3_G3H_SOCPMU. i remove the component short is remove, but is in the component. Can I change it to keep on donor board? thanks Best regards
  12. R

    820-00850 5V 36ma no liquid, no DFU

    ok thanks, I change U7800 and now the PP3V3_G3H is stable. the pin 277 under U7800 was burn. now work well, thanks
  13. R

    820-00850 5V 36ma no liquid, no DFU

    i find a little hole on U7800, C7908 seems remove (maybe a shortcut). is it possible to change U7800?
  14. R

    820-00850 5V 36ma no liquid, no DFU

    12=0V 13=0V 21=0V 22=3,293V fix 23=12,29V fix 29=0v i remove L7660 to see if P3V3_G3H is stable but always same (not fix)
  15. R

    820-00850 5V 36ma no liquid, no DFU

    Sorry the board is 820-00850 :-(
  16. R

    820-00850 5V 36ma no liquid, no DFU

    Yes I try the board alone, same problem with no fix signal 3V3_G3H. diode mode = 0,4V i don't find R6993 and the other. why? are you sur?
  17. R

    820-00850 5V 36ma no liquid, no DFU

    Hi, this board 820-00850 is lock to 5V 36ma (no liquid spill, no DFU). i have PPBUS = 12,29V, PP3V3_G3H = 2,5V to 3,3V no fix. i inspect the board in microscope, I don't see a short. Big coil seems ok except L7270= 0,010 & L8102=0,065 in diode mode can you help me please? thanks
  18. R

    820-00840 20V 0A

    RTC_RESET_L=3,089V PCH_SRTCRST_L= 3,089V PCH_INTRUDER_L=2,8V strange no?
  19. R

    820-00840 20V 0A

    i have PP3V1_RTC=3,1 V What is POCH problem?
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