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820-3662 chime but volume icon grayed
Hi everyone, I have a macbook pro 820-3662 which emits the chime when powering up but when the system starts up I don't have any audio devices. I checked the voltages on U6201 PP_3V3 on pins 7-61-85 PP_4V5 on pins 77-129 I noticed that if I plug the headphones into the jack the device detects...- interaptiva
- Thread
- Replies: 1
- Forum: Macbook Logic Board Repair Questions
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820-3437-B battery problem
Hi everyone, I have a 820-3437B with a strange problem: It has a liquid damage, does not start without a connected charger, the LED turns orange and the battery always remains at 0%. I checked if there was oxide on the board, I cleaned everything and I did a 150 ? reflow on the SMC chip. for a...- interaptiva
- Thread
- Replies: 13
- Forum: Macbook Logic Board Repair Questions