Troubleshooting 33

DX-32L221A12/DX-40L260A12
Troubleshooting

Video and audio

Warning
Do not try to repair your TV 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 page20.
No picture (screen is
not lit) and no
sound.
• Pres s on the TV or the remote con trol.
•Make sure that Audio Only option is set to Off. See
“Playing TV audio only” on page22.
• Make sure that the video cables are connected
securely to the side of your TV.
• Adjust the contrast and brightness. See “Adjusting
the TV picture” on page20.
• 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
page18.
• 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.
• Adjust the brightness. See “Adjusting the TV picture”
on page20.
• Make sure that the correct picture mode is selected.
See “Adjusting the TV picture” on page20.
• 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 page24.
• 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 side of your TV.
• 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 page20.
• Make sure that the video cables are connected
correctly and securely to the side of your TV.
• 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 page24.
• 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 page24.
• 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 page24.
• 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 side 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.
Problem Solution
DX-32L221A12-DX-40L260A12_11-0101_MAN.book Page 33 Monday, April 18, 2011 1:22 PM