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  1. P

    820-01521 no power

    ok in diodo mode pin 1=0.445 pin 2=0.003
  2. P

    820-01521 no power

    L8102=0 in diode mode=0.003
  3. P

    820-01521 no power

    pin 3 =2.7 pin 13=5 pin 14=5
  4. P

    820-01521 no power

    PM_SLP_S0_L=1.8 PVCCIO_EN.=1.5
  5. P

    820-01521 no power

    L7670=5 L7690=3.3 L7030=0.9 L7320=0 L7210=0 L7430=0 L7410=0 L8102=0 L8410=0 L8100=1.2
  6. P

    820-01521 no power

    No VCORE =0 after replacing c7414 on that line i have 13V
  7. P

    820-01521 no power

    After restore no image
  8. P

    820-01521 no power

    No video out usb activity ok L7210 voltage after 15 sec =0
  9. P

    820-01521 no power

    the problem was c7414 shorted I noticed that the injection 3V scaladava. now the mac turns on but unfortunately you can't see the images
  10. P

    820-01521 no power

    diodo mode 0.240
  11. P

    820-01521 no power

    i have replaced Q7030/40 but nothing has changed
  12. P

    820-01521 no power

    I bought a board of the same model you told me to try to replace Q7030/40 but they have 2 different codes
  13. P

    820-01521 no power

    L7670=448 L7690=445 L7030=505 L8410=875
  14. P

    820-01521 no power

    sorry yes 224 both in both directions in diode mode between PPBUS_G3H and L8100 is =530
  15. P

    820-01521 no power

    L8100 same=227 c7410, c7430,c7210,c7230,c8152=227 C117G =211 C7685,C7686=242 C7666,C7665=244 Thanks for your help and your patience
  16. P

    820-01521 no power

    where can i start from?
  17. P

    820-01521 no power

    I put the positive lead to ground and the negative in line on c7056 and in diode mode I get 0.238
  18. P

    820-01521 no power

    the whole line is 230. unfortunately I don't have a board to compare
  19. P

    820-01521 no power

    I tried re-soldering the ic but nothing changed
  20. P

    820-01521 no power

    I don't have another board u7000 is new however I try to solder it with back to ground 365
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