Sony VPL-TX70 Operating Instructions Manual page 51

Symptom
On-screen display does not
appear.
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.
Cause and Remedy
"Status" on the MENU SETTING menu has been set to "Off."
c Set "Status" on the MENU SETTING menu to "On" (see
page 37).
• The picture has not been adjusted properly.
c Adjust the picture (see page 31).
• 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 35).
• Contrast or brightness has not been adjusted properly.
c Adjust the contrast or brightness on the "Adjust Picture..." menu
properly (see page 31).
• The lamp has burnt out or is dim.
c Replace the lamp with a new one (see page 47).
• The picture is out of focus.
c Adjust the focus (see page 22).
• 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 33).
• 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 XGA (see page 19).
"Dot Phase" on the INPUT SETTING menu has not been adjusted
properly.
c Adjust "Dot Phase" on the INPUT SETTING menu properly (see
page 33).
Cause and Remedy
• A cable is disconnected or the connections are wrong.
c Check that the proper connections have been made (see
page 19).
• The audio connecting cable used is incorrect.
c Use a no-resistance stereo audio cable (see page 19).
• 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 32).
51
Troubleshooting