Everthing works fine on this unit except that the top part of the screen (top 1/3) gradually began to stretch. The bottom 2/3 of the screen is perfectly normal and looks great with normal pixelation.. The stretched area on top has expanded pixelation and barely visible black horizontal lines going across as if there was some type of frequency interference.. Color Level,Brightness, and Contrast remain normal throughout the entire screen.. I found a vertical adjustment button inside the set but it did not alleviate the problem.. Any suggestions.. Thanx!
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Re: Top of screen is stretched
There are capacitors in the vertical circuit that can cause this problem. You may be able to find these capacitors by using a hair dryer pointed to the suspected bad cap and then when the problem happens you can spry a little cooling spray on it to see if the problem clears up. The vertical output IC could be going bad but this can be checked the same way. if you have no TV solid state repair experience, play it safe and take this set into a local repair depot. Good Luck
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This is an easy task.press the minu button of your screen until you reach the option of stretching the screen ( a square with 4 arrows at corners).
You can also adjust the resolution by clicking display icon in control panel.
CHANGING THE SCREEN ASPECT RATIO: ( From Manual )
The TV can display images in four different modes: Wide, Zoom, Panoramic, and Normal. Each mode displays the picture differently. To change the screen aspect ratio:
1. Press the MENU button on the remote.
2. Use the Arrow buttons to highlight the Wide icon. Press OK.
3. Use the Arrow buttons to highlight your desired screen mode and press OK:
• Normal preserves the content's original aspect ratio. Since the 4:3 aspect ratio is not large enough to fill the TV's screen, black bars are added to the left and right of the display image.
• Wide stretches a 4:3 aspect ratio picture to the edges of the screen. Since the picture is being stretched, the display image may appear distorted. If the program is already formatted for widescreen viewing (1.85:1 or 2.35:1), then black bars will appear on the top and bottom of the display image.
• Zoom expands images with black bars to fit the screen.
• Panoramic expands the display image to fill the screen.
images may appear wider than intended.
If you are watching widescreen (1.85:1 or 2.35:1) content, black bars will still appear on the top and bottom of the display image. This option is only available when the TV is displaying a 480i/480p source.
This is a fairly common problem when connecting the MacBook Pro to most Televisions. Step 1.) Click on the Apple logo and select "System Preferences".
Step 2.) Click on the Display icon (it should be somewhere similar to the one pictured below).
Step 3.) You should get a screen that looks like this, make sure the box that says "overscan" is not checked. If it is checked, click on it to uncheck it. This should make the top menu bar visible, but it will not stretch the desktop image all the way to the sides. I hope this helps you out.
on the frount you should have ch up , ch down,
same for volume , and menu. press menu
and scroll down to VIDEO or SET UP
try one of thoes sub menu will have FORMAT
4:3 - 16:9 seting its a little differant on
on same make diferant models , you may
have to do a little hunting to find the setting
Most LCD monitors have a couple of control buttons at the top or on the side. Inside the menu, there should be an option called "Auto Adjust" which senses the input signal and resolution, and then shifts the monitor to match it. Have you tried to auto-adjust the screen? There may even be a button called "Auto" on the monitor.
HD View Modes: When viewing an HD program you can select the following 4 viewing modes.
Stretch: suitable for viewing 1.78:1 DVDs. When viewing 1.85:1 DVDs, this mode will show thin black bands at top and bottom of the screen.
Dot by Dot (1080i/p only): detects the resolution of the signal and displays an image with the same number of pixels on the screen. When a 720p signal is being input, the image will be delivered in full screen.
Smart Stretch: suitable for stretching 4:3 programs to fill the screen.
Zoom: suitable for viewing wide-screen 2.35:1 aspect-ratio programs in full screen.
PC View Modes: You can connect the TV to your PC through the HDMI inputs to use the TV as a monitor. The following view modes are available in PC mode.
4:3 Input Signal: You can select between Normal, Zoom, Stretch, or Dot by Dot.
16:9 Input Signal: You can select between Stretch or Dot by Dot.
Also verify if you have set auto timer to 30 mins or so thats why the TV shuts down after a particular time.