QUOTE(jizmo @ Mar 13 2006, 05:01 AM)

Read my post, I never said that the cables are causing overscan.
I read it, many times. But what you are saying isn't correct. The cables or connection type have nothing to do with this issue. So, like I said before, you bringing up the compontent cables, or DVI, isn't an issue.
QUOTE(jizmo @ Mar 13 2006, 05:01 AM)

It's the way the component signal (and all other video signals) is handled in TVs. It's always overscanned appx 10%, because normal video material has some unwanted stuff in the borders that needs to be hidden. So with video it's a desirable effect.
That again, has nothing to do with the cables. Thats just NTSC video signals. When you have a 480P image showing on screen, you actually have 525 lines of video information coming in. The other "non-viewable" lines and info are used for closed captioning and video sync. But, that is all handled by the TV naturally, and has nothing to do with cables. You can have a DVD player hooked up to your TV with HDMI cables, running 480P, and you will still be sending 525 lines worth of info to the set.
QUOTE(jizmo @ Mar 13 2006, 05:01 AM)

VGA (and DVI) on the other hand are assumed to be computer images and hence they are not overscanned, because it'd be an undesirable effect.
Yes, they are overscanned as well. I have a new-ish Sony LCD-RP. And if I have my PC set to run at the TVs full native resolution of 1280x720, I can't even see the taskbar in Windows, and the left side of desktop icons are close to being clipped. I have to scale back the resolution to 1215x684 to get a full view of my PC image. This happens because, like I said earlier, its the TV projecting the image too big to be shown on the screen. This is the definition of OVERSCAN. Too much image projected to be shown.
QUOTE(jizmo @ Mar 13 2006, 05:01 AM)

Not true, LCD TVs overscan component (and composite, and s-video, and scart) inputs. Some more, some less.
Again, no they can't. Like I just explained, overscan, by definition, is when some of the image isn't shown because its projected at a larger size than the screen can show. Flat panel sets, as in Plasmas and LCDs, do not project anything. They have a set number of pixels, and all are used. There is no overscan.
What you get with those is just incorrect processing. Many of those sets, even though they CAN be used as a PC display, aren't intended for that. So, when you try and set your PC to display at 1366x768, or whatever, the TV has trouble with the signal. The EDID info is the culprit here. If Windows and your video drivers recognize the set as a TV, you should be good. But, many don't, and thats where the problems come from. Not overscan, just incorrect processing.
Hilg