820-3476 Orange Light No Power on

[Roshon]

i have a board with light to no water damage i tested
PPBUS_G3H 12.5v
PP3V42_G3H. 3.4v
PP5V_S5 5v
PP3V3_S5. 3.3v
PP3v42_G3H 3.4v
PP3V3_SUS 0V
PM_RSMRST_L 0v
SMC_ONOFF_L 3,43v
PM_PWRBTN_L 3,42v
PM_BATLOW_L 3.3v
SMC_ONOFF DOES DROP THEN GOES BACK UP WHEN HIT POWER BUTTON

 

[2informaticos]

"PP3V3_SUS 0V"
Check PM_DSW_PWRGD, PCH_DSWVRMEN and all PCH's RTC signals.

 

[Roshon]

THANKS IT WAS U8020 I CHANGE THE CHIP IT WAS BAD