Screen flicker when watching 1080i

How do I get 1080 instead of 720. - Comcast Help and Support Forums

forums.xfinity.com/t5/XfinityTV-and.../How...1080...720/.../1152741

Jan 3, 2012 - I can switch one of them from one HDMI input to the other HDMI ... The YPbPr option might be set at 720p, and you can change that to 1080i.

How do I change the resolution on my LG tv to 1080p ? - Nvidia ...

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Tom's Hardware Guide
Apr 20, 2012 - 7 posts - ‎4 authors
Hello, I have recently bout a new LG tv, and I use a HDMI cable with my sky HD box, but ... only shows 1080i resolution, and i cannot find where to change it to 1080p. ...Forum; Optimizing blu-ray settings for 720p Plasma tv? 1080p TV outputs 1080i from desktop - Radeon ...
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Change it: Your Comcast/Motorola HD Cable Box may be ...

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Oct 20, 2012 - Change it: Your Comcast/Motorola HD Cable Box may be outputting ...they set it to output a 720p signal via the HDMI out to my 1080p-capable ...

How To Change your PS3 from 720 to 1080p - YouTube

Set your Sony Media player to output only in 1080i or 720P output mode. If that doen't work and if your Sony supports Component hook-up, use that instead (Blue, Green, Red Video and seperate Audio).

It is your cable box, contact your cable company.

There are three options:

1) Connect the Tivo using the coax output of the cable box into the cable input of the Tivo

2) Exchange cable boxes with your cable provider for one with composite output jacks. It may require you to use a Motorola box that isn't High def depending on what your provider has. I know Comcast has a Motorola HD tuner that has composite outputs as well as component.

3) Upgrade to a Series 3 Tivo. Those units are designed for High Def. Use HDMI cable hookup.

Connect the HDMI outputs on your various components to the HDMI inputs on your receiver. Connect the HDMI output on the receiver to the input on your TV. HDMI incorporates digital audio, so no need to buy optical audio cables. If your receiver does not have HDMI inputs for all your components, you will need to make a choice. HDMI = Best, component video + optical audio = second best, S-video+ optical audio = third best

I had the same problem
you have to set up the componant on DTV.
the signal my be hd 1080i and the only connection with componant that can support this is the DTV port.
the other componant connections only support 480,
good luck

Be sure that you took the time to force the output of the DCH3200 to 1080i. They do not seem to come set that way by default! This is true whether you are using either the component or HDMI output.

Power OFF the unit and immediately push the Menu key on the front panel. Using the remote, be sure that the 2nd line of the config is set to 1080i and not something less.

well dvd player is only 480 i ok not 720 unless its blue ray so dont even do that coupont cables usallly 480 also with comcast outs do u have hd then use one with hdmi outs ok coxal digtal cable works great also better rcas

Go the the settings on the cable box. look for output resolution, then change it to 1080i and 720p. now turn the box off and back on your tv will now display the input of wither 1080i or 720p depending on the hd channel your watching.

Low or poor signal from the cable company. Try another signal source such as a DVD play.