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yes the process finished without any error, and after process macbook turned on automaticaly and asking me to connect wifi and then same error.yes i selected "restore", not revive

it's 820-01521 i tries dfu restore by configurator 2 and after process nothing changed. still same problem

when i am doing smc bypass process during this process fan is spining two times and stops and during this process PM_PWRBTN_L is always 3.4v not drops. exactly to say my process: i have two wires soldered on smc_onoff_l and i am shorting this two lines and connecting charger and already have...

1) PM_SLP_SUS_L 3.3V 2) PP_3V3_SUS 3.3V both are presents in normal mode

i dont have history of this macbook, but now it boots up and shows folder with question mark,usb boot is disallow and i am trying to boot from internet recovery but it always shows me error -5010F (46) i tried about 20 times, also tried 3 another wifi. thanks in advance, i hope someone have...

1) in normal mode PM_SLP_S5_L pulsing 1 second 2) in smc bypass mode PM_SLP_S5_L shows voltage during fan is spinning (several seconds) PM_PWRBTN_L is always 3.3v even in normal mode.

i am checking all voltages step by step by 820-00165 Boot Up Diagram and before sm_slp_s5_l all voltages are good also during smc bypass even sm-slp_s5_l also is 3.3v

board was water damaged a bit not too much. damaged areas was 1) R3920 (changed) ; 2) C2953 was burned and removed ( no short there); 3) U1930 changed; 4) Q3510 changed; 5) U3510 changed; 6) R1440 also was damaged by corosion and changed it also. nothing else i can find damaged. when i...

i didn't googled that because of i thought that problem was coming from motherboard. thank you very much

sorry dont understand what do you mean, if macbook is turned off fully and not plugged on charger and if i open lid macbook turnes on itself without pressing any key, is it normal?

have strange problem with this model. determined several problems 1) when i open lid macbook turns on itself when its turned off 2) when system is turned on and it asking for admin password if you connect charger it shows 100% and after about 5 seconds it shows correct battery percentage.both...

tried another battery and still same problem. with battery connected no any light on charger and without battery booting mac and there is orange light as well. but if you read my earlier post is start booting and light after ppbus_3gh is under 1 volts and than without battery ppbus_3gh (when...

between 17/18 is 3.9 ohm and between 27/28 is 21 ohm

so i am stuck here.i hope someone can help me out.thanks

please advice me what should i do next.thanks

1) i have disconnected LIO flex and left only power cable but nothing changed. everything is same.after disconnect and connect again still need time to drop ppbus_g3h to 1 volt to start booting. 2) PP3V42 is 3.389v with battery and charger connected. 3) a) ppbus_g3h is stable 8.58v after booting...

sorry for late response i wasn't working at weekends thats why i couldn't do farther testing. thanks all of you for trying me to help yes battery is tested working.about your advice please be more clearly because of as i said in my first post i am begginer in this job. anyway many thanks

and also i catched maybe somethinfg interesting. first time when plugging charger (without battery connected) green and than orange light comes imediatelly as it should be and mac is turning on without any problem and during this PPBUS_G3H is 8.58v and than if i remove charger board still have...

now i checked with battery connected and PPBUS_G3H is 6.93v and pp3v42_g3h is 3.389v on the battery connector 1) PPVBATT_G3H_CONN have 6.93v 2) SMBUS_SMC_5_G3_SCL have 3.425v 3) SMBUS_SMC_5_G3_SDA have 3.382v 4) SYS_DETECT_L have 0.225v

first i checked in condition when it is without battery and already orange light and turned on. 1) PPBUS_G3H 8.58V 2) PPBUS_G3H_R 8.58V 3) PPBUS_S5_HS_COMPUTING_ISNS 8.58V 4) PPBUS_S5_S_OTHER_ISNS 8.58V now will check again without battery but when isn't orange light yet (sometimes when...