820-4924 with pulsing PM_SLP_S4_L

DaveDD

Member
Hi guys.
This motherboard came in with liquid damage.
Replaced some burnt component . Now I have Magsafe light.

PM_SLP_S4_L and ALL_SYS_PWRGD pulsing every 5 second.
if i remove U8030 then PM_SLP_S4_L stays high.

Need some advice here
Thank you
 

2informaticos

Administrator
Staff member
PLT_RESET_L pulsing too?
If not, check for pulse at pins 7 & 3 of U1950.

Just in case, test starting in SMC bypass mode.
 
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