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Check the remote control for its infra-red emission. Check it with fresh batteries. Check by pressing all the buttons on it; and see whether all of it generates infrared signal while pressing. If it is found OK, check and replace the infrared sensor inside the TV. If you wish to get some details; check the site linked here. It has details about how to check a remote control; by one among the post. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ If the remote control is found OK; check and replace the infra-red sensor inside the TV. Contact any service technician.
Check the remote control for its infrared emission first. Check it with fresh batteries. If
you wish to get more details, check this site. Pull up older posts there. Check the site with patience, as it has over
2350 posts now. All are related to
electronic equipment repair help. If
you check the site in Timeslide option, which can be selected from the dropdown
list at the top left side of the display window, it will make search easy. Detailed description about how to check and repair a remote control is given in detail by one among the posts. http://electronicshelponline.blogspot.com/
Although you didn't explain what brand of universal remote this was for, all universe remotes have a code search option for this situation. Check the manual for your specific remote control for more details.
Often manufacturers of multiple brands will use the same infrared (IR) codes for all of their brands. For example, Panasonic and Quasar share the same codes as their parent company is Matsushita Industries. In your case Funai is the parent company of Sylvania and the parent company of Magnavox so you might want to try the Magnavox codes before doing a code search. As Funai also manufactures televisions for Toshiba and Sharp, so try those codes as well.
Just program the remote to control it, the most likely code will be 566. Below are two links the first will give you codes and help you address the remote, the second will help if there is still no picture. http://www.dishnetwork.com/downloads/pdf/user_guides_and_manuals/Remote_Codes_Web_Page.pdf http://www.dishnetwork.com/SupportSection/video
Was the replacement remote identical to the original one; or, does it need to be programmed. Also, if your replaced your old remote because it was not working, it might be that the IR sensor on your TV is bad.
If the remote sensor cover is missing on the TV, the remote would still work but you may get other effects like the TV changing channels on it own. This is due to stray infra red signals. If it's not working at all I would suspect the remote control handset. You can test it by pointing it at a digital camera lens and watching the display screen on the camera. You should see white light comming from the remote when you press any of the buttons if it's working. Digital cameras can see infrared.