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Trouble Shooting Analysis
Check the information in this section to see if the problems can be solved before requesting repair.
Note
:
The consumers are only allowed to solve the problems described as below. Any unauthorized product
modification, or failure to follow instructions supplied with the product will end the warranty immediately.
l
No image
-
Make sure power button is ON.
- Check whether the LCD monitor and computer power cords are plugged and whether there is a supply of
power.
l
No Signal Input
- Check the signal connection between the computer and LCD monitor.
l
“Out of Range”
- Check the computer image output resolution and frequency and compare the value with the preset values
(Please refer to [Appendix-Display Mode]).
l
Fuzzy Image
- Adjust Phase.
l
Image too bright
- Adjust brightness and contrast by OSD.
l
Image too dark
- Adjust brightness and contrast by OSD.
l
Irregular image
- Check the signal connection between the computer and LCD monitor.
- Perform Auto Adjust.
l
Distorted image
- Reset the LCD monitor
- Take off extra accessories (such as signal extension cord).
l
Image is not centered
- Use OSD Image Menu to adjust H_Position and V_Position.
- Check image size setting.
- Perform Auto Adjust.
l
Size is not appropriate
- Use OSD Image Menu to adjust H_Position and V_Position.
- Check image size setting.
- Perform Auto Adjust.
l
Uneven color
- Use OSD Color Menu to adjust color setting.
l
Color too dark
- Use OSD Color Menu to adjust color setting.
l
Dark area distorted
- Use OSD Color Menu to adjust color setting.
l
White color is not white
- Use OSD Color Menu to adjust color setting.
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Do
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VA712-1_VA712b-1