MacBook Pro A1502 Not turning on (power cycling 20–60 mA) repair

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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

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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

Fixed by replacing C6412 or C6432 capacitor.

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