A lenovo E43L notebook, connect the power supply, standby current is 0.01A. Push the power button, the current up to 0.04A. But the lights are not bright. The laptop does not trigger properly.
Checked 5VPCU 3VPCU, they are normal. Checked the pin of power switch, it is 3.3V normal.
Push the button, checked conversion voltage 3V_S5 5V_S5, they are normal. But have not 3VSUS and 5VSUS voltage. Checked the switching control signal SUSON, have not this signal.
Test ACIN NBSWON# DNBSWON# S5_ON RSMRST#, they are normal. But checked SUSB#,SUSC# signal, have not voltage. Checked Embed Controller, 76 24 Pin, found 3Pin from RCT power supply. Connect the power supply, test RCT, only 1V. .... read more
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