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Sorry i have write in first message image is ok but no.. The machine start fan yes but no image, no sound, not maj led When i push button power machine start, fan turn but nothing

hello, please i have 820-01521 mainboard with small liquid damage after check, i have L7400 broken in two i have replace it and without battery fan turn, 0.350A but no image, not work with battery 1.620A but fan turn and image too on big coil i have on : L7670 : 5V L7690 : 3V3 L7230 : 0.84V...

On other port not hot Pch dead you think? It's hot when i touch

L7030 = 11.3V L7420/10/30 = 0V

3V3 AND 5V Present on L7690 / L7670

after plug battery i have 2.977A but is hot on q3100 (100°C)

hello, please need help for this i have water liquid on mainboard. i have only 5V Replace U3200 and U3100 and now i have 20V on each type c fan turn and stop after 5 sec, no image and 0.190A on lab power supply with thermal camera, i see 47° C on U3900 (in the angle) and not no start thanks for help

sorry, it's good i have replace U7000 i have good value and macbook start

hello, please i have mainboard for a1425 when put dc i have R6920 and r6905 burn i have replace it with D6905 and i have good value on PP18V5_DCIN_CONNE_R but on R6905 don't have PPBUS_G3H_R i have 17.4V on PPBUS_G3H_R too hot i have orange light on connector thanks

IT's good, i have try 2 others flex info batt and working. Think i have bad flex cable in stock thanks

os working yes, i have see oxydation on slot, clean and working perfect but i have another problem, battery not detect. I have put another and same PPVBAT_G3H_CONN have 12V during 6sec and go to 0.6V. and 12V again 6 sec Think problem with flex info batt but same problem

hello, please i have macbook with fan start directly in full speed q6000 replace but same thanks

i have bypass the L8602 and L8600 with wire and same problem but no remove only jump need remove it? or other problem

hello, please i have macbook 820-00840 ssd not detect (file image on start) if i start with battery if i connect charger, start normally, ssd detect and os starting you have idea? thanks

i have pulse 0.4V when fan turn and stop on the coil near the 3V check for SMC BYPASS same problem on other big coil, i have pulse too but very slow (beetween 0.05V and 0.2V)

Check other coil no voltage 5V_S0 you know where is it because don't have boardview on this Don't have check SMC Bypass i can check monday

with power lab, i have put 12V / 7A and same problem, start 0.165A and stop i have 2 times up to 0.350A but 1 sec and stop (for information) i have check CPU/GPU it's clean, not hot

hello please need help for 820-5509 i have fan start 1 sec and stop directly After 30 second same but never boot i have flash bios same problem i have 3.3V in big coil Thanks for you help

Short detect on 3v8_aon. I have inject with powerlab and i have see caps defect All is working. Thanks à lot

Yes on each usb c same problem Same to magsafe 3 Check tomorrow for 3v8_AON You say check short on secondary power supply but wich line because on your file i see all line list in mainboard Thanks