820-3435
pp3v42 present
green light
damage to R6120/6121
ran wire and replaced.
ppbus 8.58v
PPBUS_S5_HS_COMPUTING_ISNS 8.58
PPBUS_S5_HS_OTHER_ISNS 8.58
PPVRTC_G3H 3.3v
PP5V_S5 5.01v
PP3V3_S5 3.28v
PP3V3_SUS 3.3v
SMC_PM_G2_EN 3.4v
SMC_LID 3.4v
PP3V3_S4 jumping high then low.
PP5V_S4RS3 jumping high then low.
PM_SLP_S5_l jumping
PM_SLP_S4_l jumping
the above 4 jump 3 times (so its trying to turn on) then goto 0v.
PM_BATLOW_L 0v
u7501
enables
pin12 3.4v
pin21 3.4v
pin4 0v
pin 20 - S5_PWRGD 0v
Tried replacing U7501, no change. No further evidence of liquid damage.
PCH dead ?
pp3v42 present
green light
damage to R6120/6121
ran wire and replaced.
ppbus 8.58v
PPBUS_S5_HS_COMPUTING_ISNS 8.58
PPBUS_S5_HS_OTHER_ISNS 8.58
PPVRTC_G3H 3.3v
PP5V_S5 5.01v
PP3V3_S5 3.28v
PP3V3_SUS 3.3v
SMC_PM_G2_EN 3.4v
SMC_LID 3.4v
PP3V3_S4 jumping high then low.
PP5V_S4RS3 jumping high then low.
PM_SLP_S5_l jumping
PM_SLP_S4_l jumping
the above 4 jump 3 times (so its trying to turn on) then goto 0v.
PM_BATLOW_L 0v
u7501
enables
pin12 3.4v
pin21 3.4v
pin4 0v
pin 20 - S5_PWRGD 0v
Tried replacing U7501, no change. No further evidence of liquid damage.
PCH dead ?