Dynex DX-15E220A12 User Manual

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Maintenance
5
DX-15E220A12
Remote control
General
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.
No output from one of the 
speakers
Adjust the audio balance. See “Adjusting sound 
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.
Problem
Solution
Remote control does not 
work.
Make sure that the power cord is correctly 
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 
existing universal remote 
control.
See instructions and a table of common codes in 
“Programming a different universal remote 
control” in the online User Guide.
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” in the 
online User Guide.
Refer to the User Guide that accompanied your 
universal remote control and contact the 
manufacturer if problems persist.
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 
message is displayed
Press INPUT and make sure that you have 
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 
Search, there are no 
channels
Reception can vary by channel depending on the 
broadcast power level of a given station. Contact 
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 
do not display.
Make sure that the channels are not blocked. See 
“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 
accessed.
If a setting is grayed, the setting is not available 
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 
work
Make sure that the Button Lock option is set to 
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.
Problem
Solution
DX-15E220A12_11-1201_MAN_IMP INFO_V4_EN.book  Page 5  Friday, November 18, 2011  8:12 AM