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I have an 820-00165 MacBook Air 2015 board liquid damaged with green light/no power/no fan. Damage was centralized on U7501. Via to C7500 to pin 23 on U7501 burned. Replaced U7501. Voltage at pin 14 on U7501 .75v before chip changed. No change in voltage after chip changed, still .75v Replaced...

I have an 820-3023 with liquid damage that will not start up. Corrosion was found at U6100 and cleaned. Voltage at Y2705 is 1.14v when power cycles up. Green light on charger, PPBUS_G3H 8.6v When power is plugged in the fan spins for 1 second then stops then starts again 5 seconds later...

I'm in need of an 820-2915 for parts or specifically Q7080 for a repair that I have pending. I have donor boards in my shop and I have some on order but none have this specific component. Anyone have a faulty board or component that I can buy? PM me if so. Thanks.

I have an 820-2915 that was liquid damaged. Will not start up. Green light on the charger. Replaced C4691 due to it being burned. Cleaned in ultransonic tank and reassembled. Still a green light on the charger but will not power on. U7000 Pin 14 2.33v Pin 19 0v Pin 20 0v Pin 12 3.42v...

[SOLVED]820-00138 powers on a few seconds then off/battery charge indicator shows on screen Just got a 820-00138 today that was liquid damaged. LCI indicators are all triggered. Cleaned with alcohol and inspected through microscope for any burned evidence. When power is applied I get an orange...

Anyone have a reliable source to get logic boards to refurbish? Not donor board with the hole drilled through, but boards that are not working that can be bought in a lot to fix. Thanks!

I have an 820-3536-A that has no power. Green light on charger. Laptop has had spill damage. PPBUS_S5_HS_OTHER3V3 measured at pin 23 of U7501 reads as 1v. How is this generated? No PP5V_S5 or PP3V_S0 No PPBUS_G3H at pin 2 of R5400. My power supply is showing it's pulling .01amps when adapter...

I have another MacBook Air 13” Mid-2013/Early-2014 820-3437-B that I'm fighting with no backlight. Any help would be appreciated. I seemed to be getting quite a few of these lately. No backlight on screen. Flashing question mark can be seen when illuminated from back of panel. All measurements...

hey all! I have an 820-2330-A MacBook 2008 15" that has a green light on the charger but won't start either by pressing power button or shorting the power on pads. Q6910 Pin 1=16.93v Pin 2=5.73 Pin 6=16.93v Q6915 Pin 2=2.3v Pin 3=7.39v Pin 5=0v Pin 6=0v U6915 Pin 1=8.05v Pin 3=3.28v Pin 4=0v...

Anyone have a recommendation for replacement J7000 DC in power connectors for the 820-3536-A? The 6 pin connector on the logic board, not the DC IN board. Thanks!

I have an 820-3437-B with no backlight on the screen and no light on the charger. Computer will power on after 3 fan spins but no backlight. This computer was liquid damaged in multiple areas. I replaced R7788 due to corrosion and now have pin 1=8.5v 2=6.57 Q7706 pin 1=.04v 2=.03v 3=6.50v...

hi! i have an 820-3536-A that has no power is plugged in. Liquid damage all over the place. I cleaned it up in the ultrasonic and now I get a green/orange light on the charger but it doesn't boot and the fan doesn't spin. Going through the power rails It seems that I have no PP5V_S3 or PP5V_S0...

Is there an actual boardview and schmeatic for the 820-3476 MacBook Retina 13-Mid 2014? The usual sources are all not showing anything. Maybe there's a substitute? If so, can someone share via PM? Thanks!

I just got in a MacBook Air Early-2014 820-3437 that powers on but goes to high RPM fan spin and the light on the charger goes to orange. This happens with AC power adapter and with battery. No image/backlight on the screen, no chime. There was some corrosion at R8131. I cleaned it up and...

I just got in an 820-2530 with liquid damage. Green light on charger and I can short the pins to turn it on. No chime, high fan spin & no video to LCD or external. Q9806 was not looking nice and had very low readings on pins. Checked around and R9808, C9802 & R9809 are within spec.I replaced...

hi. I have a MBP 15" 820-3662 Retina with no backlight. I haven't worked with this model yet so I'm not sure of it's unique characteristics. I can see an image on the screen if a flashlight is pointed at the back of the screen. Computer starts normally and chimes and external video works via...