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  1. M

    820-00840 problema de bateria

    Hola a todos. tengo en mi escritorio una placa de un Mac A1708, la historia es esta: el cliente solicito un cambio de batería, por que el equipo se apagaba solo. se realizo el cambio de bateria y el equipo funciono bien alrededor de 3 semanas y fallo. en la revisión se detecto que el cable del...
  2. M

    820-00928 dead.

    Hello everyone, I have a small problem. On my desktop, I have an 820-00928 motherboard, with no image, no chime, no USB activity, and no external video. The CPU and GPU heat up normally, and the battery charges at approximately 4 Amps. PPBUS_G3H 12.62 Volts. Previously, it was damaged by a...
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    820-00165 don´t turn off

    Hi everyone, I have a 2017 MacBook Air with corrosion on the U6101 chip. The machine wouldn't turn on. I replaced the affected component and it turned on. Everything is normal, except that when I turn it off, it doesn't turn off completely. The system shuts down, the screen turns off, but the...
  4. M

    820-02899 don´t turn on.

    Hello everyone. I have a 2020 MacBook Air, 820-02899, on my desk. no liquid damage Stuck at 5 volts, 0.080 mA. Without the battery connected, with the battery connected, 20V, 0.0 amps. This happens on both ports. PPbus_AON 12.2V PP1V5 1.51 V PP3V3 UPC 3.3 V PP3V3 S2 3.3 V PP5V_2 0V, it's not...
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    A2141 820-001700

    Hello everyone. I have a MacBook A2141 on my desktop. Here's the story. The computer wouldn't turn on at first. I discovered a 0 ohm resistor, measuring 0.950 M ohms. R7813. I replaced the faulty resistor, and the computer turned on without any problems. I reassembled and closed it. When I...
  6. M

    A2442 screen issue

    Hello everyone, here again with a problem. A few days ago I was planning to replace several screens for some MacBook Pro M1 A2442. I know I have to change the identification chips so the new screen will recognize me as original. It turns out I changed the chips, and the shadow appears at the top...
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    A2338 no backlight.

    Hi everyone, back on the forum. I need your help. I have an A2338 that's driving me crazy. Here's the story. I bought this machine with screen problems. I noticed the flex cable and the connector on the tcon board were burned out. So I replaced the flex cable and tried it with a working LCD...
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    820-3115 not charging

    Greetings to all, my name is Jose, I am from Chile. am glad to be in the forum. I need som help. A few days ago I received a 2012 MBP with a short circuit in the PP3V42_G3H line. the short was in the ISL6259, replace it an the board turn on. I connect the screen and everything is fine. the...
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