44
Troubleshooting
Sound
On-screen display does not
appear.
“Status” on the MENU SETTING menu has been set to “Off.”
c Set “Status” on the MENU SETTING menu to “On” (see
page 35).
Color balance is incorrect. • The picture has not been adjusted properly.
c Adjust the picture (see page 29).
• The projector is set to the wrong color system.
c Set “Color System” on 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 on the “Adjust Picture...” menu
properly (see page 29).
• The lamp has burnt out or is dim.
c Replace the lamp with a new one (see page 40).
The picture is not clear. • The picture is out of focus.
c Adjust the focus (see page 21).
• Condensation has accumulated on the lens.
c Leave the projector for about two hours with the power on.
The image extends beyond
the screen.
• The APA key has been pressed even though there are black edges
around the image.
c Display the full image on the screen and press the APA key.
c Adjust “Shift” on the INPUT SETTING menu properly (see
page 31).
• This input signal cannot be projected as the frequency is out of the
acceptable range of the projector.
c Input a signal that is within the range of the frequency.
• The resolution setting of the output signal of the computer is too
high.
c Set the output setting to SVGA (VPL-ES7) or XGA (VPL-
EX70/EX7) (see page 18).
The picture flickers. “Dot Phase” on the INPUT SETTING menu has not been adjusted
properly.
c Adjust “Dot Phase” on the INPUT SETTING menu properly (see
page 31).
Symptom Cause and Remedy
No sound. • A cable is disconnected or the connections are wrong.
c Check that the proper connections have been made (see
page 18).
• The audio connecting cable used is incorrect.
c Use a no-resistance stereo audio cable (see page 18).
• The sound is not adjusted properly.
c Adjust the sound with the VOLUME +/– key on the Remote
Commander or adjust “Volume” on the PICTURE SETTING
menu (see page 30).
Symptom Cause and Remedy