Facing TV Problems? Ask a TV Technician.
Hello, When you're using YPbpr for a source- you cannot use the Channel buttons on the TV's remote - as you would need to use the Cable Company provided remote. Please set the TV back to the YPbpr Input (use the Sceptre remote's Input button to select "Component") and then simply use the Cable Company provided remote to change channels as is the protocol with this type of setup.
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Okay, well your TV is on the incorrect Input right now- which is why it's asking you to run a channel scan.
On your Septre remote- upper right hand corner- Input is called "SOURCE". Find that button and go through each and every one of the source options to find your cable box signal. Then if you still can't use the cable remote to change channels, then you need to reboot your cable box. Let me know if you're able to do that please.
Did any of the sources show your broadcasts is what's important here. In other words- did you see programming on ANY of the source selections? Also, specifically do you know HOW your cable box is connected to your TV?
To reboot your cable box, unplug it from power, then disconnect and reconnect the cables connecting it to the TV. While you are there, please tell me what specific jacks on the TV those cables are going to, Then plug the cable box back in and let it reboot. Please reply back when you are at that stage.
Rebooting the cable DVR (the TV does not have a built in DVR) does not cause anything to break- this was originally a failure with the DVR that caused the problem in the first place. You will need to simply contact your cable company (call the number on your bill) and request that they exchange the box as it is faulty at this point. They rent this equipment to you and are responsible for replacing it when it fails.