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820-3115-B RAM problem
Hi, I have a 820-3115-B board. It does not registers the RAMs. Sometimes it boots up and works perfectly until I move it or pinch it! As soon as I move it the screen glitches and hangs on me. It's not the RAMs. I tried different ones. Motherboard does not have any sign of liquid damage or...- hamed57
- Thread
- Replies: 5
- Forum: Macbook Logic Board Repair Questions
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820-2936-B liquid damage
Hi, I have a liquid damaged board 820-2936-B. After ultrasonic cleaning it looks good and board turns on with or without battery. It stays on for about 30 sec to 45 seconds. Sometimes it stays on long enough to have the OS up. (It has a SSD drive) But it suddenly turns off by itself and don't...- hamed57
- Thread
- Replies: 3
- Forum: Macbook Logic Board Repair Questions
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MacBook Pro 13" 820-3115
I have a macbook pro 13" with no backlight. Everything else is working well. My measurements: backlight fuse: 12.55v LVDS pin 21 and pin22: 12.54v C9020 pin1: 12.52 C9020 pin2: 0.0 Board looks good under the microscope. I ultrasonic cleaned it and I slightly reflowed U9701. Any hint at this...- hamed57
- Thread
- Replies: 13
- Forum: Macbook Logic Board Repair Questions