If your Sharp TV remote control is not working correctly, it may be due to infrared signal problems. Check that nothing is blocking the signal between the remote and the TV. If the problem persists, try replacing the batteries or purchasing a new remote control. Restart your Sharp TV and check if the sound is working. Swapping Your HDMI Inputs. If you are using an HDMI cable to connect your device to your Sharp TV, you might need to swap your HDMI inputs. Certain HDMI inputs on your TV might not function correctly with sound, especially those labeled as HDMI ARC or HDMI CEC. Swapping your HDMI inputs The good news is that you can program your Sharp TV without a remote control. Here's how to change the input by using the buttons on your TV instead: Press the Power button to turn on your TV. Press the Input button. You'll see a list of input options. You can use the Channel buttons to move up and down the list. Power Issues Check Your Remote Hard Reset Factory Reset Sharp TV Black Screen Hard Reset Video Input Check Cables and Connections Firmware Update Black and White Screen Sharp TV Remote Not Working Common Fixes Reset Your Remote Control Replace the Remote Sharp TV No Sound Output Mode Check the Input Check the Multichannel Television Sound Mode 1. Open the Camera app on your Android or iPhone. 2. Point the smartphone's rear camera toward the upper part of the remote and Press any keys. If your Sharp TV HDMI is not working, there's no picture signal, or the input isn't recognized, first ensure that the HDMI cable is plugged into the output port on the external device and the input port on your TV. Adjusting input settings on your Sharp TV is a breeze! You can quickly and easily configure the inputs to match up with all of your devices. To get started, you'll need to access the Input Settings menu from the Home screen. Once there, look for the option labeled Input Setting Adjustment. Sharp Aquos TV Volume Not Working? How to Fix Sharp TV No Sound If your Sharp TV has no sound, fix it by power cycling your TV, unplugging it for 60 seconds with the power button held down, swap your HDMI inputs, change audio out to PCM mode and diagnose mainboard issues with a multimeter. ATT TV input does not work on my Sharp TV. Hello, I just received a new AT&T TV device and remote and I have programed as instructed. Everything is on the remote is working except the input selector bottom. I'm unable to change inputs on my Sharp TV. I have another set in another room with an LG tv and it works fine. On my Sharp 43 inch, I am trying to connect my projector. The rca outputs sound but no video when input is hdmi. Works fine when input is component. Any hRuj9V4.