Sony VPL-CX20 Kurzreferenz Seite 23

Troubleshooting
If the projector appears to be operating erratically, try to diagnose and correct the problem using
the following instructions. If the problem persists, consult with qualified Sony personnel.
For details on the symptoms, see the Operating Instructions contained in the CD-ROM.
Power/Picture
Symptom
The power is not turned on. • The power has been turned off and on with the ?/1 key at a short
The powered tilt adjuster
does not close.
No picture.
The picture is noisy.
The picture from the
INPUT A connector is
colored strangely.
Cause and Remedy
interval.
c Wait for about 45 seconds before turning on the power.
• The lamp cover is not secured.
c Close the lamp cover securely.
• The air filter cover is detached.
c Attach the air filter cover securely.
The AC power cord was unplugged with the power of the projector
turned on.
c Connect the power cord to the AC outlet again, turn on the power
of the projector, then turn it off.
• A cable is disconnected or the connections are wrong.
c Check that the proper connections have been made.
• The connections are wrong.
c This projector is compatible with DDC2B (Digital Data
Channel 2B). If your computer is compatible with 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.
• The computer signal is not set to output to an external monitor or
set to output both to an external monitor and a LCD monitor of a
computer.
c Set the computer signal to output only to an external monitor.
c Depending on the type of your computer, for example a
notebook, or an all-in-one LCD type, you may have to switch
the computer to output to the projector by pressing certain keys
or by changing your computer's settings.
For details, refer to the computer's operating instructions
supplied with your computer.
Noise may appear on the background depending on the combination
of the number of dots input from the connector 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 Setup menu is incorrect.
c Select "Auto", "Computer," "Video GBR" or "Component"
correctly according to the input signal.
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Troubleshooting