| MacBook Pro A1502 Not turning on (power cycling 20–60 mA) repair | |
|---|---|
| Device | |
| Affects part(s) | Whole board |
| Needs equipment | multimeter, soldering iron, soldering station |
| Difficulty | ◉◉◉◌ Hard |
| Type | Soldering |
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Problem description
#incomplete
Symptoms
- Not turning on.
- Cycling between 20 to 60 mA current draw from the power supply.
Solution
PP5V_S0 shorted to ground via bad C6412 or C6432 capacitor, also PP5V_S3 will read shorted as it is connected to PP5V_S0