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  1. P

    820-00840-A

    No green light The mac has been in apple assistance several times They changed motherboard hd keyboard. The customer told me that sometimes the folder with the question mark appears
  2. P

    820-00840-A

    0.6v
  3. P

    820-00840-A

    Hi, I have a problem with this board. when I turn on the fan starts and nothing happens, the cpu gets a little hot and I have PPVCCGT_S0G PPVCCCPU_S0G PPVCCSA_S0G which are shorted
  4. P

    8203787 won't turn on

    ok thanks again for the advice?
  5. P

    8203787 won't turn on

    it works. Thanks for all the valuable advice you were very kind
  6. P

    8203787 won't turn on

    Pssible c7374?
  7. P

    8203787 won't turn on

    ok but max is 20A
  8. P

    8203787 won't turn on

    Hi today I got the PSU I start from 1 V but how many A?
  9. P

    8203787 won't turn on

    i have found https://www.amazon.it/Peak-Alimentatore-laboratorio-pezzo-6155/dp/B01LYCC7K9/ref=sr_1_7?__mk_it_IT=ÅMÅŽÕÑ&dchild=1&keywords=alimentatore+laboratorio+20A&qid=1614353975&sr=8-7
  10. P

    8203787 won't turn on

    I have seen several on the forum. Could you recommend me a specific model?
  11. P

    8203787 won't turn on

    my power supply reaches a maximum of 5A but does not heat anything
  12. P

    8203787 won't turn on

    sorry I misunderstood L7130 25.4 L7430 250.2 L9330 32.4 L9360 35.8 L7320 20.7 L7330 20.4 L7130 0.3
  13. P

    8203787 won't turn on

    yes
  14. P

    8203787 won't turn on

    yes put the tips on the sides
  15. P

    8203787 won't turn on

    You put the tips on the sides
  16. P

    8203787 won't turn on

    L7310 0.3 L7430 0.3 L9330 0.3 L9360 0.3 L7320 0.3 L7330 0.3 L7130 0.3
  17. P

    8203787 won't turn on

    F7140 f7141 r5405 r7005 all 0004
  18. P

    8203787 won't turn on

    0.4
  19. P

    8203787 won't turn on

    PPBUS_G3H short 3V3_S5 0,59 3V3_sus 0 sorry 2 second from green at amber
  20. P

    8203787 won't turn on

    Hi guys, I have this mac that does not turn on, green led for 1 minute and then orange. I had an absorption of 0.22 and after replacing u7100 it dropped to 0.8. but still does not start. Some idea?
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