guzq
New member
Hey Guys,
Working on 820-3476 with severe water damage and corrosion. Replaced all bad components, using original Apple MagSafe 60w green light but no fan spin.
Here my measures:
PPBUS_G3H : 12.57v
PP3V42_G3H : 3.42v
PPVRTC_G3H : 3.3v
SMC_ADAPTER_EN : 3.398v
PP3V3_SUS : 3.3v
PP3V3_S5 : 3.3v
PP3V3_S4 : 0.452v
PP3V3_S3 : 0.384v
PP3V3_S0 : 2v (not normal)
PP5V_S5 : 5v
PP5V_S4 : 0v
PP5V_S0 : 0v
ALL_SYS_PWRGD : 0v
PCH_SUSACK_L : 3.3v
PM_RSMRST_L : 3.3v
PM_BATLOW_L : 3.3v
PM_DSW_PWRGD : 3.42v
PM_SYSRST_L : 2v (not normal)
PM_PCH_SYS_PWROK : 0v
PM_PCH_PWROK : 0v
PLT_RESET_L : 0v
PM_SLP_S5_L : 0v
S4_PWR_EN : 0v
Replaced U8030, PP3v3_S0 still 2v
Missing S4 rails also.
Working on 820-3476 with severe water damage and corrosion. Replaced all bad components, using original Apple MagSafe 60w green light but no fan spin.
Here my measures:
PPBUS_G3H : 12.57v
PP3V42_G3H : 3.42v
PPVRTC_G3H : 3.3v
SMC_ADAPTER_EN : 3.398v
PP3V3_SUS : 3.3v
PP3V3_S5 : 3.3v
PP3V3_S4 : 0.452v
PP3V3_S3 : 0.384v
PP3V3_S0 : 2v (not normal)
PP5V_S5 : 5v
PP5V_S4 : 0v
PP5V_S0 : 0v
ALL_SYS_PWRGD : 0v
PCH_SUSACK_L : 3.3v
PM_RSMRST_L : 3.3v
PM_BATLOW_L : 3.3v
PM_DSW_PWRGD : 3.42v
PM_SYSRST_L : 2v (not normal)
PM_PCH_SYS_PWROK : 0v
PM_PCH_PWROK : 0v
PLT_RESET_L : 0v
PM_SLP_S5_L : 0v
S4_PWR_EN : 0v
Replaced U8030, PP3v3_S0 still 2v
Missing S4 rails also.