I am going to assume you have auto-programmed the TV. If you haven't, do so and let it finish. Make sure you are in the right mode, e.g. Antenna for over the air and Cable for basic cable.
If you have a set top box or satellite, that box changes the channels, not the TV.
If auto-programmed it and it still won't change channels you have a bad tuner and you will need a new Main board to fix it.
SOURCE: my sharp tv model 20H-S60 remote input button is not functioning.
Go to www.remotes.com and they will tell you in most cases how to revive your old remote! or order an orignal (which you may have to do to change the function!) tv remote for your model!
SOURCE: no input selection availiable on sharp aquos lcd tv
You have to come back to EZ SETUP and complete the setup procedure. Press MENU>SETUP>EZ SETUP.
SOURCE: Black cloud like fogged on Sharp Aquos 37"tv
If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
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