I have a Sharp LC-37D4U HD tv that is about a year old. We have been using the tv in conjunction with an hd dvr box from our local cable company (Brighthouse) with no problem.
We recently switched to Verizon FiOS service. We have a similar HD DVR box (from Motorola). We are experiencing a problem when switching from non-HD (480i) to HD (1080i) stations. When we move from one to the other, the HD station gets shifted to the right, and the right third of the picture is blurry.
Here's the weird part. If we cycle the tv to another input source (e.g., dvd) - even if that input source is on - then cycle back to the HDMI input source, the 1080i signal clears up fine.
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Your HDTV is capable of up to 1080P resolution. SDTV (standard def) signals are 480i; EDTV (enhanced def) is 480P; HDTV are 720P, (there is no 720i) 1080i and 1080P. Generally, those modes ending in "P" look better than those ending in "i". 1080i is the highest possible for broadcast TV, but BluRay disks and Directv have 1080P display capabilities.
The double picture you're describing sounds like the TV is set to display only standard or enhanced def signals while the Dish Network box is supplying it with HD signals. You should locate the control for the TV's resolution and make sure it is set to "1080P" and then set the output of your Dish Network set top box to the highest output it offers. Do the same for your BluRay player and any other devices, too.
Once set correctly, you should have a great picture once again. I hope this helps & good luck!
Your DVR can't detect whether your TV can do HD or not. If the message is stating that your receiver (which is your DVR) can't receive 1080P, then you'll need to contact DirecTV for assistance. You may need to replace your DVR.
This is an HD ready TV and can definitely be used with Sky HD, but ONLY if the Sky box is connected to the TV with an HDMI cable. It will not work if connected with a scart cable.
So you need 2 things. Firstly, you need to buy an HDMI cable (see picture) if you haven't already got one. Secondly you need to locate the HDMI sockets on your TV and Sky box. The sockets will have the HDMI logo (see picture) next to them.
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You need to verify that you have hd service with your tv provider first. Then, you need to find out which of your channels are being broadcasted in HD because not all of them will be in HD. HD cable and satellite is not capable of broadcasting in true 1080p. Some of them have on demand services that stream 1080p movies, but thats about it. Channels can only go up to 1080i(which is still beautiful hd). Make sure your HDMI cable is version 1.3 and you should be good...good luck 2u
If your using a HD converter box, there is usually a blink when switching from an HD channel to a non HD channel. It is just adjusting from different pictures modes such as changing from a 480i channel/show to a 1080i channel. If this is the case, its perfectly normal.