Dynex DX-40L261A12 Maintenance, General, Cleaning, Remote control

Maintenance DX-40L261A12 5

Problem	Solution
No output from one of the	• Adjust the audio balance. See “Adjusting sound
speakers
	settings” in the online User Guide.
	• Make sure that the audio cables are connected
	correctly and securely to the back of your TV.
After images appear	• Do not display a still image, such as a logo,
	game, or computer image, for an extended
	period of time. This can cause a permanent
	after-image to be burned into the screen. This
	type of damage is not covered by your warranty.

Remote control

Problem	Solution
Remote control does not	• Make sure that the power cord is correctly
work.
	connected to your TV and a power outlet.
	• Make sure that there are no obstructions
	between the remote control and the remote
	control sensor on the front of the TV.
	• Point the remote control directly at the remote
	control sensor on your TV. For the location of the
	remote control sensor, see “Front” in the online
	User Guide.
	• Make sure that the batteries are installed
	correctly. See “Installing remote control
	batteries” in the online User Guide.
	• Replace dead batteries with new batteries. See
	“Installing remote control batteries” in the
	online User Guide.
Trouble programming your	• See instructions and a table of common codes in
existing universal remote
	“Programming a different universal remote
control.
	control” in the online User Guide.
	• Codes are subject to change. For up to date
	codes, go to www.dynexproducts.com.
	• Replace dead batteries with new batteries. See
	“Installing remote control batteries” in the
	online User Guide.
	• Refer to the User Guide that accompanied your
	universal remote control and contact the
	manufacturer if problems persist.

General

Problem	Solution
No power	• Make sure that the power cord is correctly
	connected to your TV and a power outlet.
	• Unplug the power cord, wait 60 seconds, then
	plug the cord back in and turn on your TV.
	• Other devices (for example, surround sound
	receiver, external speakers, fans, or hair dryers)
	may be interfering with your TV. Try turning off
	one device at a time to determine which device
	is causing interference. Once you have
	determined which device is causing
	interference, move it further from the TV to
	eliminate the interference.
“No signal” error	• Press INPUT and make sure that you have
message is displayed
	selected the correct input for the device or
	service you are trying to use.
	• If you are using a cable or satellite box, use the
	remote that came with that box to change
	channels.
	• Make sure you have the correct input selected to
	view channels from the cable or satellite box.

Problem	Solution
After Auto Channel	• Reception can vary by channel depending on the
Search, there are no
	broadcast power level of a given station. Contact
channels
	your cable or satellite TV provider.
	• Make sure the antenna or cable/satellite TV is
	connected securely to your TV.
	• Try replacing the cable between the
	antenna/cable or cable/satellite box and your
	TV.
One or more channels	• Make sure that the channels are not blocked. See
do not display.
	“Setting parental control levels.”
	• Make sure that the channels are not hidden. The
	channel may have been deleted from the
	channel list. You can tune to the channel by
	pressing the number buttons or you can add the
	channel back to the channel list. See “Hiding
	channels” in the online User Guide.
	• If you are using a cable or satellite box, use the
	remote that came with that box to change
	channels.
	• Make sure you have the correct input selected to
	view channels from the cable or satellite box.
	• If you are using an antenna, the digital channel
	signal may be low. To check the digital channel
	signal strength, see “Checking the digital signal
	strength” in the online User Guide.
Password is lost.	• Enter 9999 to access parental controls, then set
	a new password. See “Setting or changing the
	password” in the online User Guide.
Some settings cannot be	• If a setting is grayed, the setting is not available
accessed.
	in the current video input mode.
TV cabinet creaks.	• When the TV is in use, the temperature rises
	naturally and may cause the cabinet to expand
	or contract which can cause a creaking noise.
	This is not a malfunction.
Control buttons do not	• Make sure that the Button Lock option is set to
work
	Off. See “Locking control buttons” in the online
	User Guide.
	• Unplug the power cord, wait a few seconds, then
	plug the cord back in and turn on your TV.
TV keeps turning off	• Make sure that the sleep timer is not turned on.
	See “Setting the sleep timer” in the online User
	Guide.

Note

If the problem is not solved by using these troubleshooting instructions, turn off your TV, then turn it on again.

Maintenance

Cleaning

•Clean your TV with a soft, dry cloth. If surfaces are extremely dirty, use a soft cloth dampened with a weak detergent solution.

•Use an eyeglass cleaner to clean the screen. Never use alcohol, paint thinner, or benzine.

•Before using a chemically treated cloth, read the instructions that came with the cloth.