(347) 552-2258 [email protected]

Search results

  1. C

    Macbook Air 820-3209-A battery charging time more then 10 hours

    On R7086 pin 2 is 0V ,measure is ok 332K
  2. C

    Macbook Air 820-3209-A battery charging time more then 10 hours

    It was liquid damage around everywhere but works ok ,I replaced all part which should be replaced ,now only problem is that charging battery is over 10 hours,try another battery same ,replaced u7400 same thing ,check all resistors and measure them ok ???
  3. C

    Macbook Air 13 820-3209-A PP1V5_S3 is 1.350V

    On schematic is PP1V5_S3 is 1.5V ????
  4. C

    Macbook Air 13 820-3209-A PP1V5_S3 is 1.350V

    I have PP5v_s0 and when charger is connected fan make a kind of little move but thats it only line which is not good is PP1V5_s3 it only 1.350V a try to replace U7300,q7330,q7335,Q7801 and U7801 but still 1.350V ,on U7300 pin 2 is 1.350V PPVIN_S0_DDRREG_LDO ????
  5. C

    Macbook Pro 13 A1502 (820-4924)

    I removed RAM and short is gone now I have to resolder back (nightmare) need stencils because the solder balls to small now for solder ,each ram have some kind of raised barrier in middle
  6. C

    Macbook Pro 13 A1502 (820-4924)

    I think CPU is ok because all power rail to CPU is present
  7. C

    Macbook Pro 13 A1502 (820-4924)

    I inject 1.35V on pin 2 L7430 and reading is 0.08V and 4.4A current but cant feel any heating elements ,when injected 1.35V on pin 1 L7430 no short getting normal 1.35V and 0.00A current
  8. C

    820-3476 RAM Beep. Missing PP1V35_S3

    Have same issue with PP1v35_s3 ,I think is shorted somewhere but nothing get hot
  9. C

    Macbook Pro 13 A1502 (820-4924)

    3beep then pause and 3beeps again c7401 resistance to ground 0.001
  10. C

    Macbook Pro 13 A1502 (820-4924)

    Turn on but have beeps so I remove u7400 and found that have short on C7401 which is PP1v35_s3 and c7425 DDRREG_LL also showing short ,even I removed Q7430
  11. C

    [SOLVED]820-3462 Macbook Pro A1425 PPBUS_G3H is 12.25V

    SOLVED I just reflow SMC little bit more and now working ok
  12. C

    [SOLVED]820-3462 Macbook Pro A1425 PPBUS_G3H is 12.25V

    replace the smc now ppbus_g3h is 12.52v but missing pm_slp_s4
  13. C

    [SOLVED]820-3462 Macbook Pro A1425 PPBUS_G3H is 12.25V

    No short on system side ,replace u7000 with 3 different one and still gives only 12.25V ,macbook have green light on charger doesnt turn on ,everything look clean ,R7021 and R7022 measure 10K
  14. C

    [SOLVED]Macbook Pro 13 A1502 (820-4924)

    SOLVED It was flex cable for trackpad
  15. C

    Macbook Air 820-3209-A No chime No image

    Bios looks ok ,clock signal is 3.4V
  16. C

    Macbook Air 820-3209-A No chime No image

    Voltage on CPU Vcore is 0.8100V ,no obvious damage ,looks clean ,no activity on usb
  17. C

    Macbook Air 820-3209-A No chime No image

    Macbook start but no chime and no image PPBUS_G3H ,PP3v42_G3H, ok ,on R7402 Ton Pin 1 only 0.334V and pin 2 is 8.4V ,try to replace u7400 same ,ton pin measure ok 90K
  18. C

    Macbook Pro 15 A1398 sometimes freeze

    Solved ,someone was reflow memory and knock out one capacitor
  19. C

    Macbook Pro 15 A1398 sometimes freeze

    Dont have another screen to test but screen itself looks ok
  20. C

    Macbook Pro 15 A1398 sometimes freeze

    Its 820-3332-A
Top