Having problems with your Sony SDM-HS73P 17" LCD Monitor ?
Monitor won't turn on, no led.
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\015 My monitor won't turn on. I am an electronic technician myself, so I started checking. I have both 5 volts and 12 volts from the inverter board that feeds the video board.These voltages are marked on the inverter board. The On/Off line is measuring 0.15 volts, and the Dimming line is 2.6 volts. I also measured 3.3 volts on each side of the power switch, and pushing it makes no difference. I checked the switch itself, and it is good. This tells me that a voltage regulator is working. If the control for turning on this monitor must come from the video board,or must the ON/off line be a voltage developed from the inverter board sent to the video board? If so, this may suggest a problem such as a defective opto-isolator on the inverter board. I cannot find good service literature on this.\015
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