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Troubleshooting
Sound
“Please check Input-A
Signal Sel.” appears in
spite of inputting the
correct signal from
INPUTA.
The setting of “Input-A Signal Sel.” in the Setup menu is incorrect.
c Select “Computer,” “Video GBR” or “Component” correctly
according to the input signal (see page 43).
On-screen display does not
appear.
“Status” in the Setup menu has been set to “Off.”
c Set “Status” in the Setup menu to “On” (see page 43).
Color balance is incorrect. • The picture has not been adjusted properly.
c Adjust the picture (see page 36).
• The projector is set to the wrong color system.
c Set “Color System” in the Setup menu to match the color system
being input (see page 43).
The picture is too dark. • Contrast or brightness has not been adjusted properly.
c Adjust the contrast or brightness in the Picture menu properly
(see page 36).
• The lamp has burnt out or is dim.
c Replace the lamp with a new one (see page 46).
The picture is not clear. • The picture is out of focus.
c Adjust the focus (see page 28).
• 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” in the Signal menu properly (see page 37).
The picture flickers. “Dot Phase” in the Signal menu has not been adjusted properly.
c Adjust “Dot Phase” in the Signal menu properly (see page 37).
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 23).
• The audio connecting cable used is incorrect.
c Use a no-resistance stereo audio cable (see page 23).
• The sound is muted.
c Press the AUDIO MUTING key (VPL-CX100/CX120/CX150
or MUTING (AUDIO) key (VPL-CX125/CX155/CW125) to
release audio muting (see pages 18, 20).
• The sound is not adjusted properly.
c Adjust the sound with the VOLUME +/– key on the Remote
Commander.
• “Spakaer” in the Function menu is set to “Off.”
c Set the “Spakaer” in the Function menu to “On” (see page 39).
Symptom Cause and Remedy