If you hooked up the satelite box to your tv Automaticly the Satelite box is the one who pick up the channels (from the satelite)
In this case your tv is acting as a monitor only. Try to connect your tv with HDMI cable or COMPONENT cable for best picture. Don't use RF antenna input to hook up your Satelite Box. Hope this Helps
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there is a possibility that there might have been a power surge sent over hdmi into the hdmi board on the tv. if on your model the hdmi board is seperate from the sine board then youll have a cheap replacement if not its gonna cost you roughly 300-400 is my guess.
I have a similar problem. The Sharp TV aquos appears to be shutting down my blue ray player and dvd recorder when connected via HDMI. They work fine and never close down when I connect them via the rca cables either single video connection or a composite 3 cable rca lead. I have 3 HDMI inputs on the tv and the problem occurs on all 3. Any suggestions?
When you are changing channels you are using the tuner of the sat reeiver. the tv does not know you are changing a channel . It is just receiving a constant signal from the SAT receiver. I would suspect a problem with the receiver. Try another one first .
Digital inputs on Aquos TV's are "always on," usually the HDMI inputs and DVI inputs. As opposed to analog inputs 1, 2, or 3, are only activated once something is plugged in. Try plugging in another HDMI sources into input4 or 5, if its still not working, the TV needs a new Main Board. Try calling Sharp 1-800-237-4277 and locating a local service center in your area.
If you have satellite, I am assuming you at least have a converter box hooked up. If so, make sure the converter box volume is set at its max. There may even be a volume setting in the converter menu that forces the volume output of the box to always be at full so that you don't get variations in audio when changing channels. Warning...before attempting this, please turn down the volume on your tv to at least the middle setting so you don't blow your tv speakers if this works.