820-3437 liqued damage pp3v3 lines drop

Repairable

Active member
ppvrtc_g3h 0.000volt replaced u1900 then 3.4v




PP5V_S5 0.000v
P5VS4RS3_EN 0.000v
S4_PWR_EN 0.000v
pm _slp_s4_l missing

pp3v3_s5 also missing

after replacing
C5120 and R5127 because they look back
i get pp3v3_s5 for a short moment and also fan spin.
after few second the pp3v3_s5 drops back to 0.513volt

all pp3v3 rails drop after few second.....
 
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