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ok thanks. I look near the smc no corrosion, i resolder U6100 nothing better. PP3V3_SUS=3,34V I try with a new magsafe board and new cable 820-1722, same issue. all the board seems clean

Hi i have this macbook air where i find a liquid spill on R7611,R7612 & C7615 on P1V05_S0_VREF, i change all this component but the problem is same, fan start 5 sec & shutdown P1V05_S0_VREF fall 1,043V to 0V when the mac shutdown. I don't find where P1V05_S0_VREF is generate, do you know? thanks

I resolder U8900 but no change. is it U8000?

No Title No i check with external monitor, i have that

Hi, i have a problem with this imac, you can see the picture of the screen. Do you have an idea where my problem come from? thanks

I reflow only U8900 or change it?

Nothing the computer stop to work normally without nothing (no water, no trace of fall). i verify the motherboard on the other side, no trace of liquid. tomorrow i check the SMC_LID. Another information, when i plug a external display, magsafe adapter & keyboard/mouse, i haven't video on...

Hi, i have this macbook pro with strange problem, when i start the mac, i hear the dong but without display (nothing with torch), he start on the system when i change the volume sound i hear dong. i try another display same problem. I close the display wait 1 min after he go in sleep mode, i...

I have change the SMC and same problem (i use smc F2117LP20H V, on the original board is F2117LP20H RVP) is it good? Thanks

Very nice, thanks for this guide

SMC_PM_G2_EN = 0V i use the original charger. No boot with charged battery PPBUS_G3H = 11,6V, battery indicator no light.

Pp3v42_g3h=3,48v

0809000 is same problem with this chip (date code 1642). i haven't problem when i use this chip than the 0005. thanks

I have PPBUS_G3H = 0,430V PPDCIN_G3H = 16,86V I check R7051, R7052,R7021,R7022 are good value. PPBUS_G3H is not short , no liquid trace of liquid. thanks

can i change the chip by this one 216-0809000?

do you have a file with all good date code by each chip? or where do you find this information?

ok really good invest :). but now too late for me. can i change the chip by this one 216-0809000? thanks

ok how are you do when you receive this board, garbage only? or you reball the chip?

is it possible to see the cracked trace with microscope? do you have video for reball the memory? is it same method like the SMC? thanks

ok and how can find good chips? is it possible to test the chip before mount on a board?