I noticed a bunch of ther people have the same problem. Is there a part I can replace? I can't justify the cost of having it professionally repaired. Everything works fine on the TV, except for the remote.
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Re: TV not detecting remote control signal
It's simply a defective IR sensor Toshiba P/N 72796410 and if you know how to remove the main board and have a soldering unit that is a bit more delicate than than the monsters they sell at rat shack, some solder and desoldering braid you just might be able to do it yourself...
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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.
Return the tv universal remote where u bought it,get ur money back.If none of the tv univeral romote programming codes on the owner manual codes for ur tv make and model don't even work and don't have any responses for ur tv make and model functioning all.Try website like Remotes.com to buy the tv original remote or a very closed compatible clone one.
There is some problem in semi conductor install inside TV from where it catch signals from remote, detect frequency and change and adjust your desire frequency and then your fav channel comes on screen
get it repaired only that part which receive signals from remote
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You can call this number and ask for technical assistance on how to fix your problem. Sharp customer service 1-800-237-4277. They should be able to help you find answers for your problem. Hope this helps you with your problem.
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.
You could have a defective IR sensor in the tv set that sends the infared signal to the MIcroprocessor IC. These are something you cant just replace, as it needs to be trouble shot with a scope to see if theres a data signal comming out of the sensor and if there is it could be a bad solder connection somewhere between the sensor plug to the Main IC. Also could be the B+ that supplys voltage to the sensor. Unless you have had electronic repoair experience, You should have a pro assist you with this repair. Sorry I couldnt assist you more with this . Good Luck