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was just some corroded test points this is solved thank you

so replaced u7100 and connected c7103 and r7147 since the test point was corroded, board does boot now but takes 300ma (20watts) that seems a bit high, it should be fine as long as it boots?

than scl line*

Diode mode on sda line was different than scleras, ultrasonic again was able to get me 8.4 on PPBUS, now an all_sys_pwrgd issue i think all_sys_pwrgd measures 0v. Q7950 has all 4 voltages present, and the 6 parent lines of the pgood signals supplied by 3v3_s0 are present, how would i go about...

This board was liquid damaged cleaned with ultrasonic. PPBUS_G3H is at 8.2v 3v4_g3h 3.4 smc reset 3.4 smc onoff 3.4 ppvrtc 3.4 Testing with good audio board and cable, any advice? thanks

I injected 2.5 volts at c7667 went up to 3 amps and nothing got warm, how many amps would be safe to go up to, i am checking with a thermal camera, any recommendations or should i try with more amps

Hi, i have a Macbook pro Touch Bar that has no power, no sign of liquid damage, 3 of the 4 usb c ports are working and take 20v at 0.04amps the last usb c doesn't take any power. PPBUS_g3h is 13v pp5v_s5 is 5v 3v3_g3h is 3.4v 3v3_s5 is 0v with 0ohms to ground 3v3_sus is not present do i...

Im sorry about that, where would i post? Can i post a file to change serial number here?

I have an A1419 iMac with a locked bios, can you remove the password for me https://drive.google.com/file/d/1azojaiKOOr19mvJUY3KlmNYpksEASTgR/view?usp=sharing

I did do a pram reset and it was the same customer dosent mind so this is solved thank you all

i have a 2015 A1502 screen thats stuck at max brightness bklt pwm is changing on the board as i lower and raise the brightness i tried changing the lvds cable and same thing has this happend with anyone or is this just a bad screen

This worked thank you just after chime there is a black screen for around 15 second is that normal? Im just asking. other than that boots normal

I have a 820-00165 originally w.d. It would chime then a black screen would appear for around 15 seconds boot is slow and got stuck booting tried cleaning ME no change tried new bios and it was fine after pram reset but currently doesn't have the correct s/n was wondering if you could help me...

It seems that the harddrive i was using was not compatible with this machine and the usb i had had a broken pin this is fixed thanks for the help

Nothing from diagnostics Copied over original bios ME and reporgrammed Do i look for a bios i have that works and clean me the same way and program onto this one or should a file from the forum work and clean me on that

i have a 820-00165 board liquid damage originally no backlight replaced lcd connector was in bad shape backlight works didnt boot into mac os got stuck around half way. Tried clean me bios same thing boots into windows smc bypass no change safe mode dosent boot into mac os. Could this still be...

Not much just liquid damage put through ultrasonic

I found a file on the forum that i used

Tried clean ME no change am i using oscope to confirm communication on those pins

I have a 820-3437-B that has 1.7v on Vcore u6100 is missing spi_mlb_clk when u6100 is off the board i get that signal all spi resistors look good no shorts found on chip lines