Symptom

Cause and Remedy

 

 

“Please check INPUT-A

• Setting of “Input-A Signal Sel.” in the SET SETTING menu is

setting.” appears in spite of

incorrect.

inputting the correct signal

c Select “Computer,” “Video GBR” or “Component” correctly

from INPUT A.

according to the input signal (see page 33).

 

 

On-screen display does not

• “Status” in the SET SETTING menu has been set to “Off.”

appear.

c Set “Status” in the SET SETTING menu to “On” (see page 32).

 

 

Color balance is incorrect.

• Picture has not been adjusted properly.

 

c Adjust the picture (see page 30).

 

• Projector is set to wrong color system.

 

c Set “Color System” in the SET SETTING menu to match the

 

color system being input (see page 33).

 

 

The picture is too dark.

• Contrast or brightness has not been adjusted properly.

 

c Adjust the contrast or brightness in the “Adjust Picture...” menu

 

properly (see page 29).

 

• The lamp has burnt or dims.

 

c Replace the lamp with a new one (see page 36).

 

 

The picture is not clear.

• Picture is out of focus.

 

c Adjust the focus (see page 24).

 

• Condensation has occurred on the lens.

 

c Leave the projector for about two hours with the power on .

 

 

The image extends beyond

• The APA key is pressed although there are black edges around the

the screen.

image.

 

c Display the full image on the screen and press the APA key.

 

c Adjust “Shift” in the INPUT SETTING menu properly (see

 

page 31).

 

 

The picture flickers.

• “Dot Phase” in the INPUT SETTING menu has not been adjusted

 

properly.

 

c Adjust “Dot Phase” in the INPUT SETTING menu properly

 

(see page 31).

 

 

Sound

Symptom

Cause and Remedy

 

 

No sound.

• Cable is disconnected or the connections are wrong.

 

c Check that the proper connections have been made (see page

 

17).

 

• The audio connecting cable is incorrect.

 

c Use a no-resistance stereo audio cable (see page 18).

 

• The sound is not adjusted properly.

 

c Adjust the sound (see page 25).

 

 

GB 40 Troubleshooting