Dynex DX-32E250A12 Troubleshooting, Video and audio, Warning, Problem, Problem, Solution, Solution

Troubleshooting DX-32E250A12 33

Troubleshooting

Warning

Do not try to repair your TV yourself. Contact authorized service personnel.

Video and audio

Problem	Solution
Picture does not fill the	•	Change the aspect ratio. An increasing amount of
screen. There are black bars		digital TV and movies are presented in wide screen
around the picture.		(16:9). See “Adjusting the TV picture” on page 19.
No picture (screen is not lit)	•	Press	on the TV or the remote control.
and no sound.	•	Make sure that Audio Only option is set to Off. See
		“Playing TV audio only” on page 21.
	•	Make sure that the video cables are connected
		securely to your TV.
	•	Adjust the contrast and brightness. See “Adjusting
		the TV picture” on page 19.
	•	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 18.
	•	Try another channel. The station may be
		experiencing problems.
	•	Make sure that the incoming signal is compatible.
	•	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.
	•	Check the closed caption settings. Some TEXT modes
		can block the screen.
Dark, poor, or no picture	•	Try another channel. The station may be
(screen is lit), but sound is		experiencing problems.
good.	•	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.
	• Adjust the brightness. See “Adjusting the TV picture”
		on page 19.
	•	Make sure that the correct picture mode is selected.
		See “Adjusting the TV picture” on page 19.
	•	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 24.
	• 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 your TV.
	•	The video cable(s) you are using may be bad. Try a
		new set.
No color, dark picture, or	•	Try another channel. The station may be
color is not correct.		experiencing problems.
	•	Adjust the color saturation. See “Adjusting the TV
		picture” on page 19.
	•	Make sure that the video cables are connected
		correctly and securely to your TV.
	•	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 24.
	• 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
Picture quality is good on	• The problem may be caused by a poor or weak signal
some channels and poor on		from the broadcaster or cable TV provider.
others. Sound is good.	•	If you connect to cable or satellite TV without a
		set-top box and experience poor picture quality, you
		may need to install a set-top box to improve signal
		reception and picture quality. Contact your cable or
		satellite TV provider about upgrading to a set-top
		box.
Only snow (noise) appears	•	Try another channel. The station may be
on the screen.		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 24.
	• 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	•	Make sure that the antenna or cable TV is connected
appear on the screen.		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 24.
	• 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 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. After 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	•	A few bright or dark spots on an LCD screen is
or dark spots.		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” 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 24.
	•	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.