Dynex DX-19LD150A11 Flat Panel Television User Manual


 
Troubleshooting
37
DX-19LD150A11
Troubleshooting
Video and audio
Warning
Do not try to repair your TV/DVD combo yourself.
Contact authorized service personnel.
Problem Solution
Picture does not fill
the screen. There are
black bars around
the picture.
Change the aspect ratio. An increasing
amount of digital TV and movies are
presented in wide screen (16:9). See
“Adjusting the TV picture” on page 21.
No picture (screen is
not lit) and no
sound.
Press on the TV/DVD combo or the
remote control.
Make sure that the video cables are
connected securely to the back of your
TV/DVD combo.
Adjust the contrast and brightness.
See “Adjusting the TV picture” on
page 21.
Make sure that the power cord is
plugged in.
Make sure that the correct video input
source is selected. See “Selecting the
video input source” on page 17.
Try another channel. The station may
be experiencing problems.
Make sure that the incoming signal is
compatible.
Make sure the antenna or cable TV is
connected correctly and securely. See
“Connecting a cable or satellite box”
on page 8 or “Connecting an antenna
or cable TV (no box)” on page 10.
Check the closed caption settings.
Some TEXT modes can block the
screen.
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” on page 8 or “Connecting an
antenna or cable TV (no box)” on
page 10.
Make sure that Audio Only option is
set to Off. See “Playing TV audio only”
on page 23.
Adjust the brightness. See “Adjusting
the TV picture” on page 21.
Make sure that the correct picture
mode is selected. See “Adjusting the
TV picture” on page 21.
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”
on page 26.
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/DVD combo.
The video cable(s) you are using may
be bad. Try a new set.
Try another channel. The station may
be experiencing problems.
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” on page 21.
Make sure that the video cables are
connected correctly and securely to
the back of your TV/DVD combo.
Make sure that the antenna or cable TV
is connected correctly and securely.
See “Connecting a cable or satellite
box” on page 8 or “Connecting an
antenna or cable TV (no box)” on
page 10.
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”
on page 26.
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” on page 8 or “Connecting an
antenna or cable TV (no box)” on
page 10.
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”
on page 26.
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.
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” on page 8 or “Connecting an
antenna or cable TV (no box)” on
page 10.
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”
on page 26.
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/DVD combo.
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/DVD combo. 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/DVD combo to
eliminate the interference.
Double images. Use a highly directional outdoor
antenna, cable TV, or satellite TV.
Problem Solution
DX-19LD150A11_11-0915_MAN_ENG_V4.book Page 37 Monday, August 29, 2011 8:29 AM