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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...
I tried several batteries, only with one in particular is detected. the others are not recognized. what is detected remains at 0% on the system info the battery is present but is not charging. the lightning bolt appears on the battery symbol at the top right
the liquid damage was very light, there was a little oxide on the trackpad / keyboard, but nothing was visible on the board.
resistance on pin 17-18 -------- 3.6 ohm
resistance on pin 27-28 --------20.0 ohm
PPBUS_G3H is 8.60 Volts without battery, only charger
R7180 ------- 100k correct
R7181...
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...