I have a 820-3437 with no power button. The unit powers on when the charger is connected with the battery plugged in, light goes amber, fan spins and stops 3 times then the system powers up and works as expected. I cannot turn it off or on using the power button. I disconnected the IPD Flex and shorted SMC_ONOFF_L to ground but it still doesn't work. I am lost here as the circuit doesn't have alot of components but I still can't find the fault. Any help would be appreciated.
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820-3437 - No Power Button
- Thread starter kronos23
- Start date
1) History history history. We need more history!
2) How does R5170 work? What do you measure here/
3) Does PM_PWRBTN_L move down towards 0v when you press the power button?
4) What power rails aren't/are present?
2) How does R5170 work? What do you measure here/
3) Does PM_PWRBTN_L move down towards 0v when you press the power button?
4) What power rails aren't/are present?