Sony VPL-CX70 Operating Instructions Manual page 40

Symptom
The picture is noisy.
The picture from the
INPUT A connector is
colored strangely.
"Please check Input-A
Signal Sel." appears in
spite of inputting the
correct signal from
INPUT A.
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.
40
Troubleshooting
Cause and Remedy
Noise may appear on the background depending on the combination
of the number of dots input from the computer and the numbers of
pixels on the LCD panel.
c Change the desktop pattern on the connected computer.
The setting of "Input-A Signal Sel." on the SET SETTING menu is
incorrect.
c Select "Computer," "Video GBR" or "Component" correctly
according to the input signal (see page 29).
The setting of "Input-A Signal Sel." on the SET SETTING menu is
incorrect.
c Select "Computer," "Video GBR" or "Component" correctly
according to the input signal (see page 29).
"Status" on the MENU SETTING menu has been set to "Off."
c Set "Status" on the MENU SETTING menu to "On" (see
page 32).
• The picture has not been adjusted properly.
c Adjust the picture (see page 26).
• 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 26).
• The lamp has burnt out or is dim.
c Replace the lamp with a new one (see page 36).
• The picture is out of focus.
c Adjust the focus (see page 17).
• 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).
"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).