820-3437 sometimes no S5 from PCH

MDY

New member
PP3V3_S5 always present
32khz for PCH always present
PM_PWRBTN_L always present
PM_RSMRST_L always present
PPVRTC_G3H always present
RTC_RESET_L always present
PM_SLP_S5_L sometimes present, sometimes miss when I reconect magsafe.

Any idea what could be wrong?

When PM_SLP_S5_L present no fan spinning.
 

aarone

New member
When PM_SLP_S5_L is missing is PM_PCH_SYS_PWROK present out of U1950?
Known good DC in board and cable?
 
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