| MacBook Pro A1502 2015-2016 Pulsing S5 enable repair | |
|---|---|
| Device | MacBook Pro A1502 |
| Affects part(s) | Whole board |
| Needs equipment | multimeter, soldering iron, soldering station |
| Difficulty | ◉◉◉◌ Hard |
| Type | Soldering |
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Problem description
A short on any capacitor in PP5V_S3 rail can cause S5 enable to pulse.
Symptoms
- Pulsing enable for S5
Solution
Check C6412 (or any other cap in PP5V_S3) for a PP5V_S0 audio short to ground. This can cause S5 enable and everything above it to pulse.