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I found the user manual online, and the pictures in it are really helpful and make this make a lot more sense, but: 1. Press [SCREEN MODE], to switch the TV aspect ratio. 2. Press [SCREEN MODE] repeatedly until the normal screen displays. NOTE: • Some programs may not offer all display mode options. 4:3 Programming [Sidebar] Sidebar displays a 4:3 picture at its standard 4:3 size. Sidebars will be displayed on the right and left edges of the screen. [Full] Full displays a 4:3 picture at a 16:9 size, with horizontal elongation necessary to fill the screen. [Cinema] Cinema displays a 4:3 picture at a 16:9 size, with less horizontal elongation necessary to fill the screen because a little bit of the top and bottom edge of the screen will be cut off. [Wide] Wide displays the center of the picture as original size and the outer sides of the picture will be elongated. The size of the picture will depend on the original signal. 16:9 Programming [Full] A picture is displayed at 16:9 size as it is. [Zoom] Zoom displays a 16:9 picture without changing its horizontal and vertical ratio, at its maximum size. [Cinema] Cinema displays a 16:9 picture with vertical elongation. [Expand] Expand displays a 16:9 picture with horizontal elongation
Vizio does not make 37" plasma TV. for the green line problem, does it happen on all inputs or just when you what TV (cable or satellite)? That line should only be present on some channels due to signal processing compatibility. To get rid of it, you can use the horizontal size adjustment and expand the picture side way.
this is most likely a problem with a capacitor going back in the horizontal stage of the tv's circuit. if the tv has a horizontal knob on the front somwhere you may be able to expand the width of the picture for while but eventually the problem will continue in which case if you know someone who knows how to replace electronic components the bad capacitor(s) will need to be replaced or the tv will have to be replaced.
you cant adjust it is synced to the 60cycle of house current.
the cheapest you can try it to replace the HOT (horizontal output transistor ) its cheap and easy to get , its on a large heatsink near the HV flyback.
but it is work and not an easy job for some. dangerous for some too. they flyback can be leaking too or other caps around the HOT is the issue and the fix won't or may not last . there are kits available on sites even on ebay for these fixes.
To my knowledge, it is not the zoom that has to be adjusted but rather the horizontal width, zoom would expand all (to, bottom & both sides) whereas your only concern are the two sides.
Should the horizontal width not fully expand, then there is an internal problem with the horizontal deflection circuitry which could either be the yoke, a capacitor or shunt diodes. In certain instances, a below normal voltage at the mains or the internal power supply could also cause this.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
This is not an adjustment. There are some components that have become thermo sensitive with age and use. The fault is in the vertical deflection circuit area. Very often it can be a number of electrolytic capacitors.
An experienced TV tech can service this for you. After the fix, the TV should work as normal.
Once you're ruled out your PC and video card by trying a different monitor, I would suspect the problem is a bad video / signal board inside the monitor.
If so, it needs component-level electronic troubleshooting to locate the bad part(s).