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Titles says it. When I turn the board on one fan kicks up to max speed immediately. The other does absolutely nothing. Was fixing an audio issue around U6400 but cannot say whether or not that's when it started. I can confirm once upon a time the board worked fine though. Not sure if it was...
battery board was corroded so I didn't bother plugging it in. there was corrosion around Q7065 and Q7401. haven't replaced anything yet. board refuses to boot with by-3200 cable, not sure if the battery charging circuit would stop boot or if there is another underlying issue. sits at 20v 100ma...
Still learning this shit so please bear with me. PPBUS_G3H is present but PP3V3_S5 is 0v. I'm lost in the schematics lol. Where is PP3V3_S5 created and what else should I check?
Haven't had the chance to inspect yet. About to pull it out now. Only the second A2141 board I've worked on so not familiar with common problems. Figured I'd ask if this is indicative of anything specific. But it just jumps from 5v to 19v for a few seconds then the meter goes blank like it was...
Ok so this board has been thru hell :/
Had water damage. Fixed water damage and it worked perfectly. Was putting back in top case and there was a bee in my room and I kinda maybe might have thrown the board at the bee :p and surprisingly everything still worked perfectly except the backlight. I...
This one was shelved a few months ago so not exactly sure what I've tried. It's one of my boards, not a customer so it hasn't been a priority. But basically it just has no audio. Well actually the internal speakers do work for a few seconds after boot, usually like 10 seconds into a YouTube...