Dynex DX-19E220A12 Manual Do Utilizador

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Troubleshooting
DX-19E220A12
Dark, poor, or no picture 
(screen is lit), but sound is 
good.
Try another channel. The station may be 
experiencing problems.
Make sure that the antenna or cable TV is 
connected correctly and securely. See 
“Connecting a cable or satellite box” or 
“Connecting an antenna or cable TV (no box)” in 
the online User Guide.
Adjust the brightness. See “Adjusting the TV 
picture” in the online User Guide.
Make sure that the correct picture mode is 
selected. See “Adjusting the TV picture” in the 
online User Guide.
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.
If you are using an antenna and the signal 
strength is low, adjust the antenna or use a 
highly directional outdoor antenna or set-top 
antenna with a built-in amplifier.
Make sure that the video cables are connected 
securely to the back of your TV.
The video cable(s) you are using may be bad. Try 
a new set.
No color, dark picture, or 
color is not correct.
Try another channel. The station may be 
experiencing problems.
Adjust the color saturation. See “Adjusting the 
TV picture” in the online User Guide.
Make sure that the video cables are connected 
correctly and securely to the back of your TV.
Make sure that the antenna or cable TV is 
connected correctly and securely. See 
“Connecting a cable or satellite box” or 
“Connecting an antenna or cable TV (no box)” in 
the online User Guide.
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.
If you are using an antenna and the signal 
strength is low, adjust the antenna or use a 
highly directional outdoor antenna or set-top 
antenna with a built-in amplifier.
Only snow (noise) appears 
on the screen.
Try another channel. The station may be 
experiencing problems.
Make sure that the antenna or cable TV is 
connected correctly and securely. See 
“Connecting a cable or satellite box” or 
“Connecting an antenna or cable TV (no box)” in 
the online User Guide.
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.
If you are using an antenna and the signal 
strength is low, adjust the antenna or use a 
highly directional outdoor antenna or set-top 
antenna with a built-in amplifier.
Problem
Solution
Dotted lines or stripes 
appear on the screen.
Make sure that the antenna or cable TV is 
connected correctly and securely. See 
“Connecting a cable or satellite box” or 
“Connecting an antenna or cable TV (no box)” in 
the online User Guide.
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.
If you are using an antenna and the signal 
strength is low, adjust the antenna or use a 
highly directional outdoor antenna or set-top 
antenna with a built-in amplifier.
Make sure that the video cables are connected 
securely to the back of your TV.
The video cable(s) you are using may be bad. Try 
a new set.
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.
Double images.
Use a highly directional outdoor antenna, cable 
TV, or satellite TV.
The picture has a few bright 
or dark spots.
A few bright or dark spots on an LCD screen is 
normal. It does not affect the operation of this 
TV.
Good picture, but no sound.
 
Increase  the  volume.
Make sure that the sound is not muted.
Make sure that the correct audio mode is 
selected.
Make sure that the audio cables are connected 
correctly and securely to the back of your TV.
Make sure that the antenna or cable TV is 
connected correctly and securely. See 
“Connecting a cable or satellite box” or 
“Connecting an antenna or cable TV (no box)” in 
the online User Guide.
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.
The audio cable(s) you are using may be bad. Try 
a new set.
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 poor color
 Adjust the contrast, color, and brightness 
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. Once you have 
determined which device is causing 
interference, move it further from the TV to 
eliminate the interference.
Problem
Solution
DX-19E220A12_11-1223_MAN_IMP INFO_V3.book  Page 4  Thursday, November 10, 2011  10:02 AM