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820-00430 only first led on
L7350 . 1,8v L7410 . 1,05v U7490 all pads same as schematic u8400 outputs 3.3v audio ic replace bacause shorted and reheat- opsudhead
- Post #5
- Forum: Macbook Logic Board Repair Questions
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820-00430 only first led on
when press power buttons volts appears for 1 second FET_EN_P12V_S0 = 22V PP12V_S0_FET= 12v big coils L7650 . 5V L7120 . 1.8V L7110 . 1.8V L7310 . 1.2V L6901 . 3.42V L2920 . 1,02V U8400 pads 10 and 12 when press power buttons show 5,1v have schematics voltages u8420 u8440 u8450- opsudhead
- Post #3
- Forum: Macbook Logic Board Repair Questions
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820-00430 only first led on
hi, please helpme this motherboard when plug the power cable fisrt led its power on but When I press the power button the second LED turns on for a second and goes out * audio codec was shorted and reheat I replace but no lucky any suggestion- opsudhead
- Thread
- Replies: 5
- Forum: Macbook Logic Board Repair Questions