Troubleshooting 37

DX-24LD230A12
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 page21.
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
page21.
• 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 page17.
• 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 page8 or “Connecting an antenna
or cable TV (no box)” on page11.
• 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 page8 or “Connecting an
antenna or cable TV (no box)” on
page11.
• Make sure that Audio Only option is
set to Off. See “Playing TV audio only”
on page23.
• Adjust the brightness. See “Adjusting
the TV picture” on page21.
• 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 page26.
• 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 page21.
• 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 page8 or “Connecting an
antenna or cable TV (no box)” on
page11.
• 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 page26.
• 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 page8 or “Connecting an
antenna or cable TV (no box)” on
page11.
• 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 page26.
• 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 page8 or “Connecting an
antenna or cable TV (no box)” on
page11.
• 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 page26.
• 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-24LD230A12.book Page 37 Tuesday, August 16, 2011 2:58 PM