820-3476 no power

[Kyle93]

No liquid damage. DC in board was bad at only 4v. Replaced now at 18v but still no power. Bad PCH??

PPBUS_G3H 12.60V

U1900 Pin 4 .288V

RTC_RESET_L .388V

PCH_INTRVRMEN - 3.2V

PCH_INTRUDER_L - 3.2V

PCH_SRTCRST_L - 3.3 V

PM_SLP_SUS_L 0V

 

[2informaticos]

"RTC_RESET_L .388V"
Check R/C1303.
Compare diode mode to ground at both RTC_RESET_L and PCH_SRTCRST_L.