820-4924 with green/orange light but not turning on.

punkieftw

New member
Hi, i have a 820-4924 not turning on.. no water damage, no corrosion. nothing.

I think is stuck at S5 state. But I don’t know where start look why is stuck in there.

There my measures.

PPBUS_G3H @ C7900 : 12.56v
PP3V42_G3H @ C4850 : 3.42v
PPVRTC_G3H @ C1910 : 3.33v
PP5V_S5 @ C7505 : 5.05V
PP5V_S4 @ 0v
PP5V_S3 @0v
PP3V3_S5 @ C8000 : 3.33v
PP3V3_S4 @ 0v
PP3V3_S3 @ 0v
SMC_RESET_L @ R5100 : 3.36v

The board looks very well.. I dont know where start looking.
 

punkieftw

New member
I try some chargers.. include the original 60w and 85w. Same result.. with any charger have green light / orange light on the charger but doesn't turns on.
 

punkieftw

New member
Is nothing ugly. i have some boards with the same issue. all of them are retinas non touch bar.

PM_SLP_S4_L is 0v

i dont know works the thinks with the PM_SLP_S4_L.. what i need first? where need to look? why always stuck in the S5 State? should be the PCH? i don't know !!
 
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