If Trouble Occurs

If problems continue even after the inspections described below are performed, always remove the power plug and contact our dealer.

Please observe the following points to ensure safety.

Symptom

Check

Remedy

Reference

Page

The pilot LED does not

Power cord / plug

Plug the power cord into the outlet correctly.

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light.

Power switch

Press the power switch.

Signal cable

Connect the signal cable correctly.

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Computer (The power

Release the power saving function. (Operate

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saving function might have

the mouse or keyboard. For additional details

operated. If this

please read the operation manual of the

There is no image.

occurred, the pilot LED will

hardware that is used.)

be light amber.)

Contrast, brightness and

Adjust the contrast, brightness and backlight

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backlight adjustment

correctly.

The pilot LED does not

Power switch

Press the power switch one more time.

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go off.

Is not the mode

Use an on-screen function to perform the

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registered?

desired settings.

Is the mode guaranteed?

Read the computer operation manual and

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The image is too large or

change the display mode to obtain the

specified mode.

too small. It is displaced

from the correct position.

Part of the screen is

missing.

The color of part of the

screen is changed.

Perform the V. FINETUNE

When the 1024 ⋅ 768 mode is set, perform

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(Vertical stripe), H.

the adjustment so the stripe patterns are not

FINETUNE (Horizontal

conspicuous.

stripe) adjustments (In the

Change the desktop pattern in modes other

There are vertical or

1024 ⋅ 768 mode.)

than 1024 ⋅ 768.

horizontal stripes in the

Liquid Crystal panel

If the same screen is displayed on the

screen.

There is an after-image in

LCD display panel for a long period of time, a

the screen.

phenomenon called “burn-in” may occur

where slight traces of the burned-in screen

pattern can still be observed when other

screen patterns are displayed.

Do not operate the display for approximately

one day and do not turn the power on.

H. FINETUNE (Horizontal

Perform the necessary adjustments until the

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stripe) adjustments

characters displayed on the screen do not

flicker.

Characters cannot be

Does the video clock

Lower the vertical frequency of the image

frequency of the image

signal to set the video clock frequency to a

seen clearly even after an

signal exceed the standard

level below the standard level (80 MHz).

adjustment is performed.

level (80 MHz)?

Has the Office mode been

Set the Standard mode.

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set?

Is the video level correctly

Check the video signal level from the computer

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The outlines of text are

adjusted?

and adjust it in the correct direction.

Is the brightness or

Adjust the brightness, backlight and contrast.

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sharp.

contrast adjustment turned

(Refer to the computer operation manual of

all the way down?

the computer that is used for further details.)

Has the Dynamic or Enter-

Set the Standard mode.

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tainment mode been set?

SELF-TEST function

Press the MENU key to check the Self-Test

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screen.

Signal cable

Is either one of the numeric values for fH or

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The image is too dark.

fV displayed in red?

The input signal frequency exceeds the range

The image scrolls

of the security range of this unit.

Read the operation manual of the computer

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continuously.

and change the display mode.

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