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Re: Want to change my cable box from 1080i to 480i
U can't not change mode at will,the 480i or 1080i is determin by the show what mode is play on.1080i only in HD,more HD will need to order from ur cable,dish or telicom compannies.
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Its main digital board has to be replaced. It is a skilled work. If you wish to get more details about this work, check the site linked below and pull up older posts there. http://electronicshelponline.blogspot.com/
You have to use the RGB component inputs on the jack panel and make sure you set your cable box the same. If your using basic cable screwed into the antenna input jack then that's the max you'll get is 480i. You have to use the RGB input to get 1080i with that model.
Typically TVs will auto adjust to the input signal it receives. If your cable box is only outputting 480i then all the tv will show is 480i. Ensure you have a good 1080i signal going in to the unit and check again
Turn off cable box.
Turn on TV.
Hold down media and guide for a few seconds.
On TV pick the resolution you want. Your choices are 480i, 480p, 720p, some wide screen resolutions and 1080i.
Save the results.
You should be good to go.
First of all your system, tv, must be able to perform your request, Secondly, your service must be able to provide the 1080i or 1080p, not all service's provide the service with the equipment they provided you (your box). Check with your provider.
This set does not support 480I in the DTV mode, only 480P and 1080I is supported.
Try setting the analog setting in the cable box to 480p and that should take care of watching the set in DTV. Most cable boxes have a setting for format changes in the customer menu, depending on the type of box. If you are able to change the format, then the other inputs will not work since they need a 480I signal, as well as VCRs.
Another setup could be to use the S-Video cable or Video input jacks to get a better picture in 480I instead of using the cable input. However, when changing from HD to Analog, you will have to change to the correct input on the set as well.
Hope this helps.
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