Sony VPL-EX4 Operating Instructions Manual page 39

Symptom
Color balance is incorrect.
The picture is too dark.
The picture is not clear.
The image extends beyond
the screen.
The picture flickers.
Sound
Symptom
No sound.
Remote Commander
Symptom
The Remote Commander
does not work.
Cause and Remedy
• The picture has not been adjusted properly.
c Adjust the picture (see page 25).
• 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 29).
• Contrast or brightness has not been adjusted properly.
c Adjust the contrast or brightness on the "Adjust Picture..." menu
properly (see page 25).
• The lamp has burnt out or is dim.
c Replace the lamp with a new one (see page 35).
• The picture is out of focus.
c Adjust the focus (see page 18).
• Condensation has accumulated on the lens.
c Leave the projector for about two hours with the power on.
• 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 28).
• 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-ES4) or XGA (VPL-EX4)
(see page 14).
"Dot Phase" on the INPUT SETTING menu has not been adjusted
properly.
c Adjust "Dot Phase" on the INPUT SETTING menu properly (see
page 27).
Cause and Remedy
• A cable is disconnected or the connections are wrong.
c Check that the proper connections have been made (see
page 14).
• The audio connecting cable used is incorrect.
c Use a no-resistance stereo audio cable (see page 14).
• 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 26).
Cause and Remedy
The Remote Commander battery are dead.
c Replace them with new battery (see page 12).
39
Troubleshooting