I have a Sony 42" Wega. For the last couple days the picture size of what we're watching has been changing automatically. Sometimes we'll have black bars on the left and right of the screen and other times the black bars will be on all four sides.
When I press "Guide" the TV guide takes up the entire screen (like it should) and when we watch a DVD we get the full screen.
I've tried adjusting the set-up menu on the TV but nothing changes. Do you think it's our satellite signal or a problem with the TV? Any ideas?
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Most of these sets the lamp has a 2000 hour lifespan and there is a built in counter keeping track of how many hours the set has been on; Most of these sets when you change the lamp you need to have information to get into the Tech menu to reset the timer to zero.
the screen size feature is gray out because there is a previous option selected already and computer assumes you want always that size.So going into the menu and try to look for a previous selection related with: "screen size default". The menu allows you to selec this option and (i like to "standard" and i adjust screen size with my cable box feature who allows change size also if is needed, but now days cable box change it itself because is automatic) is install in the original program by manufacture because helps you to keep one size and you don't have to change it any moment. This default option is outside the regular screen size option, if i remember right is in set up screen. try to find this options in your user's manual to follow the right screen procedure..
seems to me as a Sony TV. The sony tv has this feature ready in the menu. you can do zoom out ,standard etc,
But the real problem comes when the tv is turn off and then you get back to turn on the tv (lets say next day)and you find the same big heads.
what you have to do is going to the menu same thing but this time look for an option is called picture size default. This option make learn the memory what size you want custom when tv is turn on.This function is in the same page as the picture size page (refer to the user's manual) but has to be the default mode where you want the change.
The problem with sizes now days is some shows fit perfect some others not. and besides that the cable box has those features too(change size of the screen)
What i do in this sony tv to start first is keeping it in the standard size in the tv menu and i defaulted too.
when some size adjustment is needed i do it in the cable box remote control .Once again this example i do it in SONY tv, Maybe you have to post the problem again if the tv is different brand.