820-3332 dead..green/orange o.k no fan spin

yair37

Member
water damage at U8900 erea..replace all the bad caps there and also replaced U8900.
ppbus_g3h 12.6v
pp3v3_s5 3.3v
pp5_s0/s4 0v
pp3v3_s0 0v
pp3v42_g3h 3.4v
SMC_ADAPTER_EN 3.3v
replaced u7201,u8900 but still no power.
didn't see short on one of the rails.
 

2informaticos

Administrator
Staff member
Of course, if missing 3V3_SUS.

Check PM_BATLOW_L, PM_DSW_PWRGD, PCH_DSWVRMEN and all PCH's RTC signals.
Bre sure to use correct 85W charger.
 
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