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Screen flickcers at times don't know if it's tv or hd cable box

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If the screen flickers for every source, then the problem will most likely be your tv. if its more of a pixilation, and it only happens when you are watching cable, then you dont have a strong enough signal for your cable box to lock on to.

Posted on Nov 24, 2008

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When I connect my Panasonic PT-43LC14 to my cable box using an HDMI cable I get a green screen. I can hear the sound, but no picture. When I connected my Blue-Rey player the HDMI port worked fine.


U have a old version of firmware in ur cable box or ur cable pakage don't have HD service.Tries find out if ur subcribe package have HD serviced and trade in ur old cable box.Not ur tv or a cable box malfunctions.

Jun 12, 2011 | Panasonic PT-43LC14 43" Rear Projection...

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Mitsubishi VS-60805 Rear Projection won't operate in HD mode with Cable Box


Since this is an older first generation (1999) HD TV it may not be compatible with newer HDTV receivers because the standards back then were different - Make sure the HD cable box is plugged into the HD component inputs on the back of the TV (not the DVD inputs) and that the menu setting on the TV is set to DTV (not RGB) video. This TV will only accept 480i and 480p signals on the DVD input. Also the HDTV input will only accept 480i,480p and 1080i (it will not work with a 720p signal,make sure your cable box is not set to that mode)

Aug 17, 2007 | Mitsubishi VS-60805 60" Rear Projection...

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How can i hook up a nintendo wii to my 50 inch sanyo plasma t.v and keep my digital cable hooked up at the same time?


I just took a look at the back of your TV and I know exactly what your problem is. First, you need to understand that digital cable is not HD cable necessarily and standard digital cable has analog outputs. Now, since you're concern is about not being able to keep your Wii connected to your TV without disconnecting your cable box, what you are telling me is that with the numerous numbers of input jacks on the back of your set (and the fact that the Wii comes standard with a red/white/yellow Analog Composite cable) you are using the only set of Analog Composite inputs (that also includes the S-Composite input) on your television set to connect your devices. Now, if you actually have an HD box, then you are not using the correct connections and cables and your beautiful 1080p Resolution High Definition television is displaying everything on cable at 480i Resolution, Standard Definition, even the HD channels. Analog connections are incapable of displaying in HD.
Now, I don't know about you, but when I put down my chunk of change and upgraded to HD, I wanted to make darn well sure that I didn't spend all that money to watch it in SD. Of course, that's tongue and cheek because I know you wanted the same thing and I'm going to walk you through the process of solving your problem and getting you the best picture possible out of your TV.
So the first order of business is to make sure that you have an HD box and if you don't you need to contact your cable provider and swap it out. Next you need to get yourself an HDMI cable for about $3. DO NOT waste your money on one in a store and do not believe any salesperson that tells you that the expensive ones are better than the cheap ones. They aren't and this is the biggest lie in consumer electronics perpetrated primarily by Monster Cable. Order it from Monoprice, as they are the best and cheapest. 6 feet is the standard.
http://www.monoprice.com/products/search.asp?keyword=hdmi+cable&x=0&y=0
An HDMI cable is one cable and all you need to do to connect it is put one end in the HDMI 1 input on the back of your TV and the other end into the cable box. It handles both the audio and video signals and your HD cable box should automatically detect it for video and audio. If by chance it doesn't detect the audio, go into the settings menu of the cable box and choose the audio sub-menu and set it to HDMI-out (these options might be under the heading "digital audio").
You'll also want to go into the video settings of your HD cable box and set the output resolution to only display one resolution (it will probably have several selected by default). Choose 720p or 1080i (your preference) as these are the only HD formats cable television broadcasts in. I have mine set to 1080i and the reason you do this is because not all channels are in the same resolution on digital and HD cable and what will happen is that your TV will have to reset its resolution every time you change channels and the resolutions change. This transition can take up to 30 seconds as you're sitting there staring at a black screen. By setting the resolution on your HD cable box to display only one of the HD resolutions, your HD box will simply upconvert the other resolutions automatically. I say choose between 1080i or 720p because not all cable providers broadcast in 1080i, using 720p exclusively so the 1080i setting is unnecessary.
Last thing about your display regarding HD cable: Your HD cable will display television programs in both the 4:3 (standard) and 16:9 (widescreen) formats. When the program is in 4:3, the image will not fill the entire display showing black bars on the left and right sides of the image. Plasma TV's are susceptible to what is called screen burn-in (or image retention or as Sanyo calls it, "after-image"). What this means is that if static images stay on the screen for too long, it will actually stay in the screen after you've changed the channel and it can be permanent and this damage is NOT covered by your manufacturer's warranty. Your TV has a feature to fix this (refer to your manual, near the end) if the "burn-in" is not too extreme, however the best way to avoid screen burn-in is to prevent from happening to begin with. While the TV is displaying a 4:3 program, the point where the image ends and the black bars (lack of image, technically) will burn-in. To avoid screen burn-in, you should change the format of the image to fill the screen via either your cable box (your cable remote will have either a Zoom key or a Picture Size key) or on the TV by pressing the PIX key on the lower left hand corner of your TV remote until you get the desired image. Use the option that zooms in, and not the option that stretches and distort the image. HDMI Cable captainhawk1_8.jpg
So now you have the Analog Composite inputs free to use for your Wii, however, I'm going to give you another alternative that will increase the quality of your picture when using your Wii. The Wii has the ability to use Component Video Cables for its video signal sent to your TV. Your TV has two Component Video Input Jacks (VIDEO 2 and VIDEO 3) and the are indicated by their red, blue, and green color. You'll still need to use the analog red and white audio connections when using the Component Video inputs but for this setup, they are right to the left of them.
Now, of course, Nintendo does make this cable but their's costs $20 and again, you can go right over to Monoprice when you get your HDMI cable and get it for less than $3 and like the Nintendo cable, it comes with the audio cables integrated. I have this cable myself and it makes an amazing difference.
http://www.monoprice.com/products/product.asp?c_id=108&cp_id=10830&cs_id=1083007&p_id=5689&seq=1&format=2
Your TV will automatically detect both the HDMI connection and the Component Video connection so it will not require any setting up.
For more information refer to your manual, here:
http://us.sanyo.com/dynamic/product/Downloads/DP50747_Manual-31187309.pdf

May 06, 2011 | Sanyo DP50747 50 in. Plasma TV

2 Answers

Samsung lcd 720 ln32b360 doesn't fill screen in 16:9 mode. Went through tv setup, connected it to hd box (verizon Fios) plays all HD channels but does not fill screen as it should. TV is connected to set...


If by regular cables you are talking about the standard red/yellow/white composite cables, then, yes, it will affect HD as composite cannot send an HD signal. Only HDMI and component (red/blue/green video only) cables.

Change to HDMI and let us know if it works for you.

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1 Answer

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Have you tried using component cables instead. One of my Time Warner cable boxes did the same thing using HDMI.

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In order to receive the TV's Guide system, the cable should be connected directly to the TV instead of the cable box if you are still using it.
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Screen says no signal. when i push the input button,tv says no signal not available Stuck on the blue screen, there is NO lock icon on the screen. I have the same problem. I attached the cable from my...


HD TVs do have different cables, I went to Time Warner and swapped my regular box for an HD box, the cable ends are blue red and white, I believe. Also in order for my box to work on the screen I have to switch to "Component" instead of "TV". Hope I helped!

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I don't know where you're located but you may want to double check with Time Warner on the availibilty of an HD box. I have TWC with an HD tier package and have an HDMI out on the box that runs directly into HDMI on this TV. Hope that helps!

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We also have vertical lines with our JVC 62"... turning it off and letting it cool down is the only solution. For us, we know it's a problem with heat. We simply are wits end on fixing it. added two additional fans, a exterior fan to blow heat away from the back of the tv, pulled everything else away, etc.... Anyway, goodluck.

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