Sony VPL-CX70 User Manual Page 46

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  • TROUBLESHOOTING
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46 Troubleshooting
Picture
Symptom Cause and Remedy
No picture. Cable is disconnected or the connections are wrong.
c Check that the proper connections have been made
(see page 20).
The connections are wrong.
c This projector is compatible with a DDC2B (Digital Data
Channel 2B). If your computer is compatible with a DDC, turn
the projector on according to the following procedures.
1 Connect the projector to the computer.
2 Turn the projector on.
3 Start the computer.
Input selection is incorrect.
c Select the input source correctly using the INPUT key
(see page 23).
The picture is muted.
c Press the PIC MUTING key to release the picture muting (see
page 16).
A black screen is displayed (VPL-CX75 only).
c Press the B key on the presentation tool to release the black
screen (see page 18).
The picture is noisy. Noise may appear on the background depending on the
combination of the numbers of dot input from the connector and
numbers of pixel on the LCD panel.
c Change the desktop pattern on the connected computer.
The picture from INPUT A
connector is colored
strange.
Setting of “Input-A Signal Sel.” in the SET SETTING menu is
incorrect.
c Select “Computer, “Video GBR” or “Component” correctly
according to the input signal (see page 35).
“Please check Input-A
Signal Sel.” appears in
spite of inputting the
correct signal from INPUT
A.
Setting of “Input-A Signal Sel.” in the SET SETTING menu is
incorrect.
c Select “Computer, “Video GBR” or “Component” correctly
according to the input signal (see page 35).
On-screen display does not
appear.
“Status” in the MENU SETTING menu has been set to “Off.
c Set “Status” in the MENU SETTING menu to “On” (see page
38).
Color balance is incorrect. Picture has not been adjusted properly.
c Adjust the picture (see page 32).
Projector is set to wrong color system.
c Set “Color System” in the SET SETTING menu to match the
color system being input (see page 35).
The picture is too dark. Contrast or brightness has not been adjusted properly.
c Adjust the contrast or brightness in the “Adjust Picture...” menu
properly (see page 32).
The lamp has burnt or dims.
c Replace the lamp with a new one (see page 42).
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