For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Hi,
Came in with little bit corrosion on the upper side. Fan turns on for 1 sec, then turns on again for about 15 sec then turns again and it does't stop but no post.
L7310/L7320 = 1,7V
L7630=1V
L7430=1,2V.
Have tried another U6100 but all the same.
"little bit corrosion on the upper side"
Which area?
PLT_RESET_L goes high?
Any previous repair attempt done?
Check all SPI Bus Series Termination resistors and their traces.
I suppose you don't use J6100, remove it.
And try known good working clean ME BIOS; links posted on the forum for sure...
"Which area?" - See attached image
PLT_RESET_L goes high, 3,3V.
Measured every SPI Bus Series Termination resistor and everything looks fine.
Tried also clean ME BIOS.
Can it be bad SMC?