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OK, let mesee if I get this right, you have a digital TV tuner box that picks up the digital TV signal off the AIR? And this tuner box has 3 RCA jacks on the back (Red:Right channel audio output, White: Left channel audio output, Yellow: Composite video output)?
If the above are corrects, then all you have to do is to connect those cables to the AV1 (if AV1 is for the compoite video and analog audio input). No transformer needed.
There may be a ground loop in your electrical wiring. Try connecting a 3 prong to 2 prong AC adapter between the power cord and the electrical wall outlet. You can find one in any hardware store for around one dollar. This will lift the ground from the TV. If your lines go away you may have an issue with your electrical wiring in the house or on an internal part on one of the components. The least expensive fix is to leave the adapter in place. I hope this helps.
Hi, I'm afraid that not only a cable is needed but an analog (vga) to digital (dvi) converter/scaler as well. The iLo LCD Display V27DMBX-U12 can hook up to a PC using the DVI-I connection only. As you said, your computer has the standard 1D15 pin VGA connector.
Another possibility is if your video card has a composite video output (normally a color yellow RCA female) or an S-Video output which will both connect direct to your iLo LCD Display V27DMBX-U12. For the RCA connection all you need is an ordinary RCA to RCA shielded wire cable and for the S-Video, an S to S Video cable will work. There is of course the question about the quality or the resolution.
Good luck and hope that this be of some help to you. Pls post again how things turn up. Kind regards.
Unfortunately you are trying to mix two different video types: VGA is an analog video interface found on most computers (except for latest with flat panel monitors, which are usually DVI). Your TV DVI interface is digital (although there is a DVI-A, which is an anlog DVI interface, it is unlikely that your TV has this). So, what you are trying to do probably won't work. I assume your computer does not have DVI output (otherwise you wouldn't have bought the adapter), but some monitors have VGA inputs; does yours? What kind of DVI adapter did you get? Is a DVI-A? Check out http://en.wikipedia.org/wiki/Dvi for info on DVI interfaces.