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  1. J

    820-2530-A no power green Lighth

    Hi. all lines with red highlighter are missing. Any contribution will be welcome. Thank you
  2. J

    820-01700-A Short PP1V8_SSD0 and PP2V5_NAND_SSD

    after removing U9300 and U9100 the short disappeared. My question is: can these nands be replaced? In case they can be replaced, what should be done after welding the new nands? thanks to all.
  3. J

    820-4924-A no image, no backlight

    I have a 820-4924-A board, it turns on normally, but no display. It displays image to an external monitor, but its own LCD remains black like it has not been plugged in the board. L8300 5V appear in the first few seconds w/ or w/o LCD connected. PPVOUT_S0_LCDBKLT 0V always. Just 5.1 V pin...
  4. J

    820-00840-A does not work trackpad and keyboard after customer tried to change battery.

    The customer brings an 820-00840-A because he tried to change the battery and then the machine did not turn on. Just align the battery in its correct place and the machine started and charged correctly. Once the mac was turned on I discovered that the trackpad and the keyboard did not work only...
  5. J

    820-00165 no power. PP5V_S4RS3 (NO PRESENT)

    820-00165 no power. PP5V_S4RS3 (NO PRESENT) 0.000V and diode mode 0.440V SMC Bypass mode: two fan sping two time 400mA pulse when connect charger (Orange light) Then 24mA constant 7100 Voltage whit out Battery 01-0.004V 02-19.58V 03-5.267V 04-3.326 05-1.096-1.106V up-down-up-down.... 06-0.000V...
  6. J

    820-00165-A Overheating and shuts down. It turns on after reflow U7100.

    Hello guys. the macbook air overheats and shuts down in about 10 minutes or less. When I connect the charger it gives me a green light and then a permanent orange but the fan does not move. I go to the U7100 do a reflow or replacement and the mac turns on normally but turns off again after a...
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