Hi,
Need help with 820-3462 board. Initial state machine used to turn on after connecting power for a few hours and battery status missing. Could not enable battery status. Reconnecting the battery solved the problem but same issue next day. This went for a few days and now no green light and no power on. No liquid damage and untouched board. Initial voltage check as under..
PPBUS_G3H 12.30V
PP3V3_S5 – 0.04V
PP5V_S5 - 0.01 V
PP5V_S4 - MISSING
PP3V42_G3H – 3.44 V
PP5V_S0 – MISSING
SMC_RESET_L 3.0V
PM_PWRBTN_L - MISSING
PM_RSMRST_L 3.3V
SMC_ONOFF_L 3.3V
What do i check for next..
Need help with 820-3462 board. Initial state machine used to turn on after connecting power for a few hours and battery status missing. Could not enable battery status. Reconnecting the battery solved the problem but same issue next day. This went for a few days and now no green light and no power on. No liquid damage and untouched board. Initial voltage check as under..
PPBUS_G3H 12.30V
PP3V3_S5 – 0.04V
PP5V_S5 - 0.01 V
PP5V_S4 - MISSING
PP3V42_G3H – 3.44 V
PP5V_S0 – MISSING
SMC_RESET_L 3.0V
PM_PWRBTN_L - MISSING
PM_RSMRST_L 3.3V
SMC_ONOFF_L 3.3V
What do i check for next..