The HC-R4755W is a high-definition, rear-projection television built by Samsung. It is a wide screen TV that has a screen size of 55 inches. While some problems you might experience with your Samsung HC-R4755W will require professional service, there are situations you can fix yourself, as long as you know what to do.
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Poor Picture or Poor Sound
If you get a picture on your screen that doesn't appear clear, the problem might not be serious. Try switching to a different channel. If you have a DVD player connected, see if the picture is clear on a DVD. Make sure all wires are connected properly. The same steps can help to troubleshoot poor sound or a combination of poor sound and picture.
No Picture or Sound
If you have neither picture nor sound, make sure the television is plugged into the wall outlet and switched into the "power on" mode. Try hitting the "Source" button on your remote or changing channels. Make sure all connections are secure.
If your picture comes up in black and white or if the colour or tint seem "off," try changing the channel or playing a DVD. If the problem is fixed, it's probably due to the original channel or program you were watching. Otherwise, use your colour setting controls to adjust the colours.
If the television seems to operate erratically (e.g., controls not responding, channels switching on their own or otherwise behaving strange), try resetting it. You can do that by powering it off and leaving it off for at least half a minute. Then power it back on to see if the problem has been resolved.
Remote Won't Work
If the television doesn't respond to the remote, make sure you have the remote set to "TV" in the mode section. Try replacing the batteries in the remote. If you are trying to turn the television on, make sure it's plugged into the wall outlet. Test something else in that outlet to make sure it's working.
You might find a colour smudge on your screen. You should be able to fix that problem by using the self-focus function.The self-focus function can be activated by going into the menu, and then navigating to "picture" and then "self focus."
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