On Tuesday 19 Jul 2011 20:41:08 Grant wrote: > > --snip-- > > > >>> The TV is an LG 47LH90 and and it is said to do 1080p. I looked for > >>> ghosting in 16:9 mode instead of Just Scan mode and strangely the > >>> shadows are there, but they're oriented top and bottom instead of left > >>> and right. I can take another photo if anyone would like to see. > >>> > >>> Why do I need to select Just Scan in order to prevent all 4 edges of > >>> the screen from being cut off? > >>> > >>> - Grant > >> > >> BTW I think you're on to something Stroller because the overall > >> picture is definitely improved in 16:9 mode compared to Just Scan > >> mode. I just need to figure out how to prevent the edges of the > >> screen from being cut off. > >> > >> - Grant > > > > Grant, > > > > By default most TVs overscan inputs due to broadcast signals at the > > edges as the picture there is not well defined and can have white > > overscan lines and such. The TV compensates by overscanning which > > basically zooms in on the picture making (on my 46" Samsung TV) the > > outer 1-1.5" of the picture disappear. > > > > On my TV it was fairly simple to turn this off, I just had to label the > > HDMI input as "DVI PC" and it automatically turned off any picture > > processing/overscanning. Yours may be similar. > > > > Sorry if there's typos, I have a bandaged finger and it's a PITA to type > > with. I think I fixed all of them. > > > > Dan > > I found this: > > "We recommend using the Just Scan mode with 1080i and 1080p material, > which assures zero overscan and proper 1:1 pixel matching for this > 1080p display." > > http://reviews.cnet.com/flat-panel-tvs/lg-47lh90/4505-6482_7-33485570.html# > reviewPage1 > > Just Scan is what I've always used which has the ghosting problem. I > think I'm back to square one.
Just a thought: have you approached the OEM for the TV? If you could get to some technical department they would hopefully advise if this is a setting or hardware issue. -- Regards, Mick
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