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    820-3476 Board gets warm, no fan spinning, not booting up, Corrosion around U7501

    Hey another A1502 board for repair. The board came in with not booting up and saw corrosion around U7501 with Pin 12 without a track which I made a jumper to pin 1 of R8140 and also replaced U7501. Unfortunately it hasn't made any changes and I also didn't take a complete list of the voltages I...
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    820-3476 Green/Orange light, Not turning on, Corrosion around U7501

    Hey everyone, I have a slightly liquid damaged board which initially had no light but there was corrosion around U7501 so I replaced the the chip and also changed capacitors C7500 (one pad was completely destroyed so made a jumper going to Pin 23 of U7501) and C7503. No I have a green which now...
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    Macbook Air A1466: Boots, Apple Logo and then goes black

    Hey Everyone! Got a Macbook Air 2013. Turns on, shows the apple logo then cuts to a black display. I have tried booting with several MacOS Installation USB but it does the same thing as mentioned above. Removed the SSD and tried booting with MacOS USB. Replaced the SSD and tried booting with...
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    A1278 820-2879: No power // no green light

    Hey Everyone! Got a 2010 MBP, no sign of liquid damage found. No green light. PP3V42 is present. PPBUS_G3H rail is not present. Checked resistance around each component with the PPBUS_G3H and all seem to show 0.24 Ohms (in 20K setting). Not sure what to check next or where to go from here...
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    820-3115 A1278 - Intermittent green light, no display.

    Appreciate any and all help, thanks! So I've got a logic board where the board turns on (and green light is displayed) randomly meaning I have to plug in and out the charger before it suddenly turns on. When the fan starts spinning the green light cycles from on and off every couple of seconds...
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    820-00138 A1398 Macbook Pro 2015 - No green light on charger

    I've got an issue with this logic board and the lack of a boardview makes it harder to diagnose. The ISL chip (U7100) gets warm I've got good readings at both PP3V42_G3H and PPBUS_G3H. Some concerns I have is I have no readings for SMC_BC_ACOK_VCC and my reading for SMC_BC_ACOK for both pin 1/2...
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