Friends, please share the diagram and boardview of MacBook A2681 820-02862. Thank you
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So, what are the odds I shorted the M2 CPU? I got in an a2681 MacBook Air. Liquid damage. Ordered from China and replaced a chip (APL109D 343S00555) cleaned corosion and ultrasonic..The whole 9 yards.
Last night I put it all together and it came on beautifully. 20V- Apple Logo. I celebrated and knocked the LCD connector loose right away while holding the laptop. Now, it wont boot and it cycles on the volt meter.
Cycle 20v - .02a then volt meter goes off, then it comes on and rinse and repeat. Classic sign of a MacBook short. I looked at the board with my thermal camera and I can...01-22-2025, 05:22 AM -
hello mates,, need help im a new tech here.. any tips or idea on important testpoint in repairing a no power Macbook m2 A2681? Thank you in advance.. -
Hi all,
I'm a beginner at laptop repair. I bought a MacBook Air A2681 that doesn’t turn on, just for practice. PPBUS_AON and the other always-on voltages are present and look fine. I did some diode mode measurements and got unusual readings (compared to reference values I found online) on LC320 (44mV) and L82D0 (40mV). LC320 corresponds to the PP5V_S2 power rail, and L82D0 to PP1V25_S2.
I injected 1V (current limited to 100mA, the board consumed around 86mA) into PP1V25_S2 to see if anything would heat up, but everything seemed normal. I did the same with 5V (current limited... -
today I received MacBook Air A2681 M2 for repair. The MacBook is working have a startup sound and charging sound but no video on the screen I checked the backlight voltage which is 0V then I checked the backlight ic enable there is 0V on anyone please help me.
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Hi,
water damaged MacBook a2681 M2 draws 5v 0,4A, u7700 gets hot, so I guess it must be bad.. Now I wonder, where could I get that chip? there is nothing on aliexpress... is it only good from same doner board?
Thanks for help!