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  1. ClerkenwellMacs

    A1398 - Charger Green/Orange - No Boot - No 12.5v

    ISL6259 Voltages Pin 1 - 0v 2 - 20.1v 3 - 4.66v 9 - 0.09v 12 - 3.39v 13 - 3.08v 14 - 2.29v 15 - 0.04v 17 - 0.85v 19 - 5.49v 20 - 5.49v 27 - 0.13v
  2. ClerkenwellMacs

    A1398 - Charger Green/Orange - No Boot - No 12.5v

    Hi, The Board code is 820-3787-A 3.38v at PP3V42_G3H -621 on PPBUS_G3H in diode mode. No voltage injected! Thanks
  3. ClerkenwellMacs

    A1398 - Charger Green/Orange - No Boot - No 12.5v

    Hello, The machine is a 2014 A1398 2.8GHz 16GB DG. There was liquid damage however the customer decided to wipe away the evidence before brining the laptop in. I am getting 0.7v on PPBUS_G3H I am assuming that a short is causing this but can't see or feel anything hot. Thanks!
  4. ClerkenwellMacs

    820-01598 No image - Turning on - Liquid Damage

    There were signs of corrosion on the LCD cable connector. I didn't get 3V3/5V_S0SW_LCD even momentarily. Unfortunately or fortunately the customer contacted their insurance company and collected the laptop. Case closed, thank you for the assistance.
  5. ClerkenwellMacs

    820-01598 No image - Turning on - Liquid Damage

    I am looking at an 820-01598 which works almost perfectly. Sadly the screen is not detected, nothing on the LCD and no backlight. Works when connected to an external. I have cleaned the board off and can see no damage to traces/components. The backlight IC looks clean. Attached are some...
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