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HI! I have this macbook air there is no have green light.. i found some corruption on the resistors R7721, R7720 and the cap C7723.. i replaced this 3 but i haven't green light. No water damage in any other side.. looking for power rails i see PP5V_S5 Is missing, and i replace the U7201 Looking...

Are you sure? omg! HAHA, how do you know?

SMS_RESET_L have 3.45v

Hi, there is a mbp with no green light but, if i connect a charged battery this have a regular functionality. No visible water damage.. nothing. Here my measures: PPBUS_G3H : 12.25v PPVIN_SW_T29BST : 0v PPBUS_S5_HS_COMPUTING_ISNS : 12.24v PPBUS_S5_HS_OTHER_ISNS : 12.24v PPDCIN_G3H ...

Any Hope ? :D

Fan spins! Solved, thanks you louis!

Liquid was spill near the spi area and the U6210 area but not to much... the area around the U2700 looks aceptable.. have some red points but nothing serious.. The SYSCLK_CLK32K_RTC At pin 12 of the U2700 have 0.43v stable.. The resistance between pin 17/18 on U7000 is 03.0 ohms .. On...

i Have 8,57v at pin 23 and 3,38v at pin 12 of the U7501.. The measures of the PP5V_S5 at the L4820 in diode mode have 508 and the resistance mode have 472 ohms. always red probe to ground.. trying with the black probe to ground dont have any measure.

Help me plz !! :(

ya i know whats is a buck converter.. so, you suggest to change the Q7560? or U7501?

What do you mean when you say "the buck controller" ? So, how i do to know if this si a short?

Hello, i have a macbook air with some liquid damage.. i clean very very well the board but this not turn on anymore. before the clean, sometimes if i have some good luck this board turn on. my measures: PPBUS_G3H @ C3080 8,57v PPBUS_S5_HS_COMPUTING_ISNS @ R7202 8,57v PPBUS_S5_HS_OTHER_ISNS @...

No, i have 0,00v here no pulsing. the board has a little bit of liquid damage but i clean very well

Hi, i have a macbook air 820-3208 here. measures: PPBUS_G3H @ R6920 8,37v (8,34v when fan spins thats one seg) PPVIN_SW_TBTBST @ C3891 0,94v to 1,90v fluctuating every seg PPBUS_S5_HS_COMPUTING_ISNS @ C7516 8,37v (8,36-8,35 when fan spins) PPBUS_S5_HS_OTHER_ISNS @ C7200 8,37v (8,35v when...