ATEC AV370A User Manual
Appendix
Troubleshooting
If you have a problem setting up or using your LCD TV, you may be able to solve it yourself.
Before contacting customer service, try the suggested actions that are appropriate to your
problem.
Before contacting customer service, try the suggested actions that are appropriate to your
problem.
What you see...
Suggested Actions
Reference
‘No Signal’ message
●
Ensure that the signal cable is firmly
connceted to the PC or video
sources.
connceted to the PC or video
sources.
Page 1-18 ~ 1-26
●
Ensure that the PC or video sources
are turned on.
are turned on.
‘Out of Range’ message
●
Check the maximum resolution and
the frequency of the video adaptor.
the frequency of the video adaptor.
Page A-5
●
Compare these values with the data
in the Display Modes Timing Chart.
in the Display Modes Timing Chart.
Page 2-20 ~ 2-21
Page 3-6 ~ 3-7
Page 3-6 ~ 3-7
The image is too light or too dark
●
Adjust the Brightness and Contrast.
●
Auto in progress will clear it automatically.
Page 3-8
Page 3-9
Page 3-9
Horizontal bars appear to flicker,
jitter or shimmer on the image.
jitter or shimmer on the image.
●
Adjust the Clock function.
Vertical bars appear to flicker,
jitter or shimmer on the image.
jitter or shimmer on the image.
●
Adjust the Phase function and then
adjust the Clock function.
adjust the Clock function.
●
Auto in progress will clear it automatically.
Page 3-8
Page 3-9
Page 3-9
Image is not centered on the
screen.
screen.
●
Auto in progress will set the best
position automatically.
position automatically.
●
Adjust the horizontal and vertical
position.
position.
Page 3-8
Page 3-9
Page 3-9
Image is not stable and may
appear to vibrate
appear to vibrate
●
Auto in progress will clear it automatically.
●
Check that the display resolution and
frequency of your PC or video board
is an available mode for your TV.
On your computer check:
Control Panel, Display, Settings
frequency of your PC or video board
is an available mode for your TV.
On your computer check:
Control Panel, Display, Settings
No sound
●
Ensure that the audio cable is firmly
connected to both the audio-in jack
on your TV and the audio-out jack
on your sound card.
connected to both the audio-in jack
on your TV and the audio-out jack
on your sound card.
Connecting a PC, TV or VCR, DVD
Page 1-18 ~ 1-26
Adjust the Sound settings
Page 2-22 ~ 2-24
Page 1-18 ~ 1-26
Adjust the Sound settings
Page 2-22 ~ 2-24
●
Check the volume level
●
Check the volume level
Sound level is too low
●
If the volume is still too low after
turning the control to its maximum,
check the volume control on the
computer sound card or software
program.
turning the control to its maximum,
check the volume control on the
computer sound card or software
program.
Refer to your computer, sound card or
software documentation.
software documentation.
Adjusting the Sound Settings,
Page 2-22 ~ 2-24
Page 2-22 ~ 2-24
Connecting to watch TV or VCR, DVD
Page 1-18 ~ 1-26
Page 1-18 ~ 1-26
Sound is too high pitched or too
low pitched
low pitched
●
Adjust the Treble and Bass to
appropriate level.
appropriate level.
TV signal is not received
●
Ensure that the antenna cable is
firmly connected to the VHF/UHF
jack.
firmly connected to the VHF/UHF
jack.
A-9
Appendix