MacBook Pro A1989 No backlight after waking from sleep (black screen) repair

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MacBook Pro A1989 No backlight after waking from sleep (black screen) repair
Device MacBook Pro A1989
Affects part(s) Motherboard
Needs equipment multimeter, soldering iron, soldering station
Difficulty ◉◉◉◌ Hard
Type Soldering


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Problem description

Black screen after returning from sleep (no backlight but has picture)

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Symptoms

  • MacBook works normally, but after waking up from sleep there is no backlight anymore

Solution

Lid detect sensor (J4800 or J4801) missing PP1v8_SLPS2R or deffective. Ran a Jumper from CB402 to the cap on top of J4801.

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