1/6/2023 0 Comments Dell studio one 1909 screenI suspect this is the backlight brightness level. I suspect this is the signal from he motherboard to turn on the backlights.Ħ - When you first turn it on the volts are 1.6, then after a few seconds it goes up to 3.3 and remains steady. The pins aren't labeled, but I ran tests and figured each out.ġ and 2 - Both have a solid 12.1 volts during operation.ĥ - When you first turn it on the volts are 0, then after a few seconds it goes up to 3.2 volts and remains steady. The inverter board is a small board with a 6-pin connector to the motherboard. Taking the back off I first looked at all the caps, especially those on the power supply and inverter boards (less concerned with the caps on the computer motherboard). If I shine a flashlight into the screen after it goes black I can still see the image. If you connect an external monitor the system works fine, so I know the problem isn't the computer side of things. The problem is when you turn it on the screen comes up for about 5 seconds and then goes black. My latest project is a Dell Studio One 1909, it's a 19" all-in-one computer/monitor.
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