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yelrah28's latest activity
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Y1V injected into 10 ohm load, will not cause real heat on the board; 100mA -> 0.1W. Using performant thermal camera, you may detect...
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Yyelrah28 replied to the thread MB AIR A2179 No Boot.The online readings for pp1v1_s3 and pp1v8_s3 are abnormal compared to my current readings, and both are linked to the CPU. Could this...
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Yyelrah28 replied to the thread MB AIR A2179 No Boot.Sorry for the late reply my shop was closed on Sunday. I don’t have a known-good board to compare with. I mainly repair iPhones, but I...
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Yyelrah28 reacted to larossmann's post in the thread Macbook logic board troubleshooting guide for beginners with
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This is a troubleshooting guide I used to only distribute to students who came for in-person tutoring. Sadly, no one seems to actually... -
Yyelrah28 replied to the thread MB AIR A2179 No Boot.I did some digging and found out these lines. They get the exact voltages after a fresh charger plug-in then about 10 seconds, they...
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Yyelrah28 replied to the thread MB AIR A2179 No Boot.Hi @2informaticos Customer reports the device suddenly stopped working and won't power on. Voltage Readings: L7400: 0.1V L7230...
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YHi, I have a question about a MacBook Air I'm working on. It's a MacBook Air A2179 with logic board 820-01958. The logic board looks...