MacBook Pro A1707 No image, pulling 0.36A at 20V repair

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MacBook Pro A1707 No image, pulling 0.36A at 20V repair
Device MacBook Pro A1707
Affects part(s) Motherboard
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
  • Drawing 360mA at ~19.5V from charger

Solution

When PPBUS_G3H is missing but no short circuit, bad ISL9239 chip.