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Re: is tv an HD tv
Yes, mostly all new displays are at least 720p which display a great picture ! However, coax cable is the worst possible cable you can use. Your best bet for HD from the cable box is to use component cable. These are the 3 RCA type colored cables, red, green and blue. You will also need another two RCA cables for the audio, which is usually red/black or red/white. If you have a surround sound receiver, then you will not need the 2 for audio to the TV. These 2 would goto the receiver or you can use a better digital coax or optical cable for audio.
Also, HDMI from the cable box to display is a more expensive cable which will give you HD but doesn't always look better then component on some HD cable boxes.
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The cable box needs to be set to send different signals when using hd tv and standard tv. Usually a good setting would be 720p in hd and 480p in standard. The tv is working fine it is the cable box sending the signal. If you have another hdmi source such as a dvd player you may hook that up to show the tv is working just fine.
you said you are using composite cables..? that means you have some kind of cable box ? if you want to get HD channels you have to use a HD box that is supplied by the cable company.. the HD cable box then has to connect to the tv with component cables (green,blue, red cables) or HDMI cable.. to send the HD signal to the television.
If you are using component cables to connect your HD box to TV. Make sure your connections are tight. You should make the colors match up. Green, Red, Blue. Check on both TV and HD box. Make sure HD pox is powered on. Make sure to select TV input to Component 1 or whichever you are using. If this doesn't work you may need to call and have COX refresh the HD box. This can be done over the phone. This will make sure you are receiving and sending the proper signal level. Good luck
When I hooked up my HD cable box using an HDMI cable, I had to go into the cable screen menus and select HDMI output. You may have to do something similar when using an S-video cable. Your DVD recorder doesn't seem to have an HDMI input, so you'll have to use the S-video or (worst case) composite video (red, white, yellow cords). Your cable box may also be scrambling the signal so that you can't record. That may be why you can record by bypassing the cable box.
With an HDMI cable connected, the cable box determines the picture size. The settings on the cable box must be changed in order for you to get the correct picture size. I have some experience with Motorola cable boxes; usually to access the settings you turn the box OFF and then press the menu or settings button on the box to bring up the display menu. Hope this helps!
the TV is "automatically" HD. You probably have to turn to the HD channels (which sometimes require a subscription through the cable company. For example in my cable company there are 2 Fox stations, channel 10 with is NOT HD and then channel 810 whish IS HD