Dell monitor model M781mm have an second power supply for the built within speakers.I want to know supply volt?

Answer:

Electrical

Video input signals

analog, 0.7 Vpp, positive at 75 ohm



Synchronization input signals

separate horizontal and vertical; TTL horizontal, positive or negative



AC input voltage / frequency

100-240 VAC 10% (90 - 264VAC) / 60-50Hz (47-63Hz)



AC input current

1.5 A max.



Inrush current at 120V

25 A

Inrush current at 240 V

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