Hi everyone,
I've been troubleshooting a Mac Mini A1347 (
820-5509) that came in for a simple thermal paste replacement, but it turned into a challenging repair. I've made some progress, but I'm stuck at a point and could really use some advice from those more experienced with this board
Worked fine for a week, then started powering on intermittently.
What I've done so far:
• Found PP3V3_G3H in short.
• Removed and replaced an AND gate (74LVC1G08) and an OR gate, which were causing issues on the line.
...
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