#21 Re: Clevo N850EJ, płyta 6-77-N850EJ10 - brak reakcji na przycisk power
przez krisark • 31 stycznia 2022, 09:10
matic napisał(a):Measure the following voltages to ground in listed cases:a) Before pressing to the power button (machine turned off).
matic napisał(a):- On pin 4 of chip U17.U17:
pin 4 - 0,00V
matic napisał(a):- On pin 4 of chip U18.U18:
pin 4 - 0,00V
matic napisał(a):- On pins 7, 8 of chip PU15.PU15:
pin 7 - 0,00V
pin 8 - 0,00V
matic napisał(a):- On pins 1, 3, 5, 7, 8, 14 of chip U23.U23:
pin 1 - 0,00V
pin 3 - 0,00V
pin 5 - 0,00V
pin 7 - 0,00V
pin 8 - 0,00V
pin 14 - 0,00V
matic napisał(a):Measure the following voltages to ground in listed cases:b) After pressing to the power button (power consumption is 51mA).
matic napisał(a):- On pin 4 of chip U17.U17:
pin 4 - 0,00V
matic napisał(a):- On pin 4 of chip U18.U18:
pin 4 - 0,00V
matic napisał(a):- On pins 7, 8 of chip PU15.PU15:
pin 7 - 0,00V
pin 8 - 0,00V
matic napisał(a):n pins 1, 3, 5, 7, 8, 14 of chip U23.U23:
pin 1 - 5,19V na 5 sekund
pin 3 - 3,37V na 5 sekund
pin 5 - 0,02V
pin 7 - 5,19V na 5 sekund
pin 8 - 0,00V
pin 14 - 5,19V na 5 sekund