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The TV is standard but I connected to a sat high def reciever to see if it would work and the picture started zooming in & out on all channels so I disconected from the sat/box & reconected to antenna but now still have the problem, The tv is about 5yrs old and I never had problems while it was on my extended warranty that has now expired.
Charles
Hi Charles, the problem will be regulator in power supply,try changing ic located right in front of chasis when you open back of tv,it has 4 legs on each side it's located on the fly back side,thanks,and let me know.
I had the exact same problem with my Magnavox TV. The screen would shrink then expand. After thrity minutes it would correct itself. Then one day it just broke - no sound and no video. I searched these forums but did not find clear instructions on how to fix it. I gave up and called in a repair tech. He fixed my TV in less than 30 minutes. To help others like me I documented the fix and created a step by quide and repair kit to fix the problem. You can find it here. http://www.magnavoxhelp.com
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Look for a setting called Aspect Ratio. It will include options like 4:3, 16:9, Zoom 1, and Zoom 2. Then click through the options to select the correct one for your program. Usually older SD programs will use either 4:3 or Zoom 1, while HD programs will be set to 16x9 for Widescreen hi-def viewing. There should be a button on your remote labelled Aspect Ratio or Picture that can toggle through these image modes.
It looks like you are saying standard definition pictures do not cover the screen like HD pictures do. Standard def is formatted 4:3 and high def is 16:9. They are not the same so your high def screen is made to display the not as tall but wider high def picture. In order to fill the screen with the taller and not as wide 4:3 aspect ratio std def picture you must tell the TV to stretch the picture or otherwise fill the screen.The TV will have controls you can exercise for this purpose and you can set it up to always show std def in a particular manner. The alternative, if you want the standard Def picture to look true to form, is to view standard def in Letter Box form. It's appearance will then include black panels on the sides of the picture. So the problem is not with the TV but in accepting older format pictures playing on newer format displays (TVs.)
It looks like you are saying standard definition pictures do not cover the screen like HD pictures do. Standard def is formatted 4:3 and high def is 16:9. They are not the same so your high def screen is made to display the not as tall but wider high def picture. In order to fill the screen with the taller and not as wide 4:3 aspect ratio std def picture you must tell the TV to stretch the picture or otherwise fill the screen.The TV will have controls you can exercise for this purpose and you can set it up to always show std def in a particular manner. The alternative, if you want the standard Def picture to look true to form, is to view standard def in Letter Box form. It's appearance will then include black panels on the sides of the picture. So the problem is not with the TV but in accepting older format pictures playing on newer format displays (TVs.)
2 things have to happen. first, your tv has to be set for the correct resolution, second, You need to be recieving high def from your cable/sat provider.Your tv does not make programming high def, it allows high def.
is your cable or sat in HD(720p, 1080i, 1080p) over the air broadcast in the usa is in digital so it should start at the highest res available in your area
next are you using HDMI or composite for your cable or sat going into your tv if not your not going to get higher than 420p because A/V and S-video do NOT support HD
check your cable/sat box is it HD(high def) or SD(standard def) if SD going through cattv/attn in your only going to get 420p
now for changing the resolution its automatic it goes to the highest setting on its own
you can control the resolution through your cable/sat box, blue ray/hddvd player and other HD devices connected to the tv through the options menus of those devices BUT only when connected through
HDMI(supports 720p, 1080i, 1080p) composite(supports 420p, 420i, 720p) A/v and S-video(supports 420p) cat tv/attn in(supports 420p, 720p, 1080i, 1080p) only supports what the tuner will do
sometimes ps has this problem as i m also havin a ps2 n ps3 n i play them on my standard definition tv ....i also hav to restart again n again till 10 to 12 times then finally it starts this may be a plate problem go show it to ur nearest service center.......hope it works
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