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820-01521-a PPBUS_G3H Cycling and low?
Thank you. I'm not sure which areas were affected as the board had been ultrasoniced before reaching me. There are no signs of liquid on the audio/power button board and the flex cable seems fine. There were some signs of burn marks on one of the pins of the LVDS connector. How do I get it into...- myiannakou
- Post #3
- Forum: Macbook Logic Board Repair Questions
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820-01521-a PPBUS_G3H Cycling and low?
I have an 820-01521-a board which had liquid damage. I was only getting 5v on my USB-C meter and 0v on ppbus_g3h. I went ahead and replaced isl9240 and now I get 20v on USB meter but ppbus_g3h only 12.58v for 30 seconds and then drops to 12.26v for 10 seconds. This process keeps repeating. Any...- myiannakou
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- Replies: 12
- Forum: Macbook Logic Board Repair Questions