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Jul 21, 2013 - Ive had this tv for almost a year and the screen has never given me problems, but just recently all the HD channels are stretched. ... If your Vizio is like my 47" it has 4 Picture Modes - Wide, Normal, Zoom and Panoramic. ... Why isnt my viziotv able to play full screen hd channels?
Long story short, it is not your fault. Your provider will blame you, TNT, will blame your provider, and both are wrong.
The most likely cause is HD TNT is not a "real" HD channel. It is probably an SD recording TNT is upscaling from SD to HD. This can occasional create a dirty HD signal being broadcasted. Some TVs have trouble decoding this signal and end up with pixelated images because the image has been pre-stretched to fix the format.
Temporary solution would be to change the resolution of you TV for just the TNT channel. Some TV will let you select a preferred mode for a channel. If you can do this, set it to 720p instead of 1080p or try 1080i for TNT to see if this improves the image.
Also make sure that only one tuner is altering the images you are receiving if you have a FIOS box. If it is processing the image image in any way (color correct, resolution, etc.) turn those features off and let the TV do it.
Technology changes at a high rate of speed, as we all know. And High Definition (HD) has come a long way in a very short period. Since your television still works perfectly otherwise, I don't think that it's a problem with the set itself. It may only be a victim of technology.
Does this only happen with High Def channels? Does it happen every time you change to another HD channel? If you answer 'yes' to either of these, it is most likely due to the television's processing capabilities. Because of the high amount of data that is required to deliver HD content, manufacturers have found creative (but not necessarily convenient) ways of dealing with the processing issues (blank screen delay for example). Since the audio and video signals for any given television station (either HD or regular) are transmitted separately, the television has to process that data internally so that you get the picture and sound aligned properly when you are watching it. HD broadcasts are much more demanding than regular stations requiring manufacturers to constantly improve this processing speed with every new model. On some televisions, the channel remains blank for a few seconds to allow the television to configure all of the information so it looks good when it's ready, which could explain the delay you are describing. At the time your television was manufactured, this may have been the best technology your manufacturer had to offer. On my personal flat panel, I get the picture and sound right away, but I have to wait about 15 seconds for the sound to catch up to the picture which I think is more annoying than being forced to look at a blank screen. But that's just me.
In order to get any of the Freesat channels, you need to connect a Satellite dish to your TV. If you have a Sky dish, you simply need to run an extra Cable from the LNB from the dish and connect to your socket on the back of your TV.
In order to get Freeview channels and Analogue channels, you need to connect a aerial to the back of the TV.
There is a menu option for the TV to start straight to the AV input (your Sky HD box). It is Menu > Setup > Other Settings > Power on Preference. Select 'AV' for your TV to start on Sky HD.
Also even if you have your TV to start on TV, when you turn on your Sky HD box, it should automatically switch to the Sky box.
There is nothing wrong with you Sony Bravia TV and it suppport all HD and SD formats.
Are you viewing the HD version of the channel when it is showing a standard defination show. e.g SKY1 HD instead of SKY1.
This means that regular standard defination shows are in a 4:3 ratio and does not fill the whole screen. In order to view these type of shows you will need to tune to regular channel instead of the HD version.
You can check if a show is brocast in HD by going into the tv guide and checking for the HD symbol in the programme symposis.
Hi, first of all you need a high definition source. I'm not sure if your cable box is HD but lets take it as an example. The component leads which you are using isn't 'true' HD video quality, what you need is a hdmi cable from your source to your TV.
Your cable box maybe HD with a HDMI output, if it is then you need the lead to come out of the cable box into your tv's HDMI input using a HDMI lead. Then you switch your TV's source to the HDMI input and it then should be producing a HD quality picture, but to truly get the full HD experience you may want to subscripe to a HD channel or purchase a blueray player becasue most cable TV channels are upscaled to HD and the definition is not as good as on a blue ray disc or a true HD channel.
So in conclusion the cable and input you are using is not designed for HD input. I believe your TV is HD, check for HDMI inputs or DVI inputs.