Recent content by Sdogs

yesterday i did some DFU reset attempts, i noticed that during the reset attempts the current draw was about 1.8 amps. Could it mean anything?

thanks for the information, I don't have a chip programmer, I would like to buy one, even for newer macbooks, which programmer do you suggest? At the moment the macbook seems to be doing very well, very fast start-up, fans under control, perfect battery !!

solved, I bought a bios chip already programmed, it worked for a day, I got one from another logic board and now everything works !! I don't know if the terminal command "sudo nvram AutoBoot =% 00" may have created some problem with the bios chip.

PPBUS_G3H 13v 3V3_G3H 3,4v

this macbook had had liquid damage, i replaced trackpad connector, i also changed efi chip, battery was dead and put in a new one. Today I connected the battery without fixing with double sided tape, I switched it on and everything went smoothly. Before turning off I deactivated autoboot with a...

what will it be that triggers this instability? unfortunately my skills are not that advanced .... I'm stalled

the weird thing is that when I first charged it it seemed to have the right amps draw. I tried to restore DFU. What can I do now? an ultrasonic wash? Trying to inject tension at some point? Throw it all away in the trash? I was hoping it might still have a chance to work .... I had seen a post...

I got bogged down .... I don't know how to continue

this is a big problem ...... I really don't know where to find it, any other suggestions? do i try to change u7701?

Pin 12 5,1v Pin 6 2,8v to 3,1v oscillating and unstable Pin 16 0v Pin 17 0v

also P1V2_SW is not present, I checked at pin 13 of the U7701 and it seems to be in short circuit, in diode mode it has a value of 0.07. I don't know if this voltage is needed for booting, is that correct?

Ho notato una strana fluttuazione di tensione ai poli dell'L7030, passa da 4v, poi a quasi 12v, scende a 10v poi a 8v e riparte

yes 0V9_SSD present and stable

in the afternoon I will do further tests, looking in the forum I saw that another user "macRepairAmb" had the same problem, but the post seems to be interrupted, by chance do you know if it solved? macRepairAmb post