820-00164 does not turn on

customer came in water damage yesterday. said it happened 20 minutes ago. I put it in ultrasonic, dry it out and hand it to him working. came back in today with no power. i get orange light

pp3v2 - 3.42v
ppbus - 8.6v
pp5v0-s5 - 5.0
pp3v3-s5 - 3.3

board is very clean and there was no corrosion when came in. although the water was in the cpu area.
 
RTC reset - 3.3
ppvrtc_g3h - 3.321
PM_SLP_SUS_L - 3.322
PM_SLP_S4_L - if i unplug and replug in power i have 3.027 for about a minute for it goes away.
 

2informaticos

Administrator
Staff member
If PM_SLP_S4_L appears, some secondary supplies must get voltage too.
Check all big coils for voltage.
See if CPU VCORE tries to appear too.
ALL_SYS_PWRGD comes high?
Check U1950 area, pins 7 & 3 should go high.
 
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