Recently the picture on regular channels has stripes running through it but when I watch HD channels, the stripes don't appear. What is wrong?

picture setting in menu

John, do you have an HD cable box? If not, you will not be able to watch anything in HD....call your cable provider if you don't have it.
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I'd call the cable company, it sounds like you have an issue with the cable box.

No,canceling ur HD channels,will not effect ur regular tv channels.The cable box change or not talk to ur cable company for that info.

o.k. check all your connections
if you have a newer house check to see if you have a main hub in a closet somewhere and check all connections. Check your hd receiver and you may be able to chage the DPI the receiver receives in.

I have this problem on some of my non HD channels, also. So much for going digital. I get fuzz and pixel problems "from time to time", but, if it is really bad and consistent your should call your service provider.

Things to ask also ? are you using cable or satellite.

If satellite T.V. there are other reasons you could be experiencing problems.

hope this helps!

Check in the manual or with the manufacturer, but the TV should auto configure the picture based on the signal.
I have a Toshiba that does the same thing.

There is no mistake when HD is in effect, as the picture is superb.

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.

Example

When your watching non HD channels you have to stretch your screen.Your TV has that input option to do so.

some of this are still ud werrnty you need a dmd opictbock.
call sony and give them your mod# ane sel# to see if your block
is cover. i hope this help you iam a auther sony sevice man.

Sounds like you turner is shot