Dynex DX-42E250A12 General, Remote control, Note, INPUT, Problem, Problem, Problem, Solution, Solution, Solution, Button Lock

30 DX-42E250A12 Troubleshooting

Problem	Solution
Poor picture	• Make sure that the room is not too bright.
	Light reflecting off the screen can make the
	picture difficult to see.
	• If an S-VHS camera or a camcorder is
	connected while another connected device
	is turned on, the picture may be poor. Turn
	off one or more devices.
Good sound but	• Adjust the contrast, color, and brightness
poor color	settings.
Audio noise	• 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. After you have determined
	which device is causing interference, move
	it further from the TV to eliminate the
	interference.
No output from one	• Adjust the audio balance. See “Adjusting
of the speakers	sound settings” on page 18.
	• 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	• Make sure that the power cord is correctly
does not 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” on page 5.
	• Make sure that the batteries are installed
	correctly. See “Installing remote control
	batteries” on page 15.
	• Replace dead batteries with new batteries.
	See “Installing remote control batteries” on
	page 15.
Trouble	• See instructions and a table of common
programming your	codes in “Programming a universal remote
existing universal	control” on page 31.
remote control.	• Codes are subject to change. For up to date
	codes, go to
	www.dynexproducts.com/remotecodes.
	• Replace dead batteries with new batteries.
	See “Installing remote control batteries” on
	page 15.
	• 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. After 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	selected the correct input for the device or
displayed	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.
After Auto	• Reception can vary by channel depending on
Channel Search,	the broadcast power level of a given station.
there are no	Contact your cable or satellite TV provider.
channels	• 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	• Make sure that the channels are not blocked.
channels do not	See “Setting parental control levels.”
display.	• 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” on page 19.
	• 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.
Password is lost.	• Enter 9999 to access parental controls, then
	set a new password. See “Setting or changing
	the password” on page 20.
Some settings	• If a setting is grayed, the setting is not
cannot be	available in the current video input mode.
accessed.
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	• Make sure that the Button Lock option is set
do not work	to Off. See “Locking control buttons” on
	page 21.
	• Unplug the power cord, wait a few seconds,
	then plug the cord back in and turn on your
	TV.
TV keeps turning	• Make sure that the sleep timer is not turned
off	on. See “Setting the sleep timer” on page 27.

Note

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