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A2681 Display Issue After Screen + Lid Angle Sensor Replacement - Board Issue?
A2681 initially had a display problem; the screen would turn black when the lid was halfway closed, and occasionally it would turn black on its own. Previously identified by Apple as a malfunctioning display. We swapped out the screen for one from LaptopScreen.com because we had never...- palmtree
- Thread
- Replies: 2
- Forum: Macbook Logic Board Repair Questions
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A2289 820-01987-A No Power 5.15V 0.03A
F7000 both sides short to ground. WIth F7000 removed resistance to ground on F7000 Pin 1 is OL and Pin 2 is 1.4 . If I inject voltage into pin 2, nothing on board gets any thermal reading except Q8102 chip itself.- palmtree
- Thread
- Replies: 3
- Forum: Macbook Logic Board Repair Questions
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A2779 (820-02841-05) Keyboard and Trackpad Not Recognized After Replacement
Got a 2023 14" MacBook Pro (A2779, board 820-02841-05) that came in with liquid damage affecting the keyboard and trackpad. It still boots fine, screen is good, external keyboard and mouse work no problem. I replaced the keyboard, trackpad, and trackpad cable with new parts. Trackpad clicks...- palmtree
- Thread
- Replies: 12
- Forum: Macbook Logic Board Repair Questions
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A2141 no backlight
Testing backlight capacitors in circuit, they are all shorted to ground. Tried injecting 1.5v, no capacitors are hot.- palmtree
- Thread
- Replies: 3
- Forum: Macbook Logic Board Repair Questions