Sony CX20 Operating Instructions - Page 35

Others, Troubleshooting

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B Others 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. Power Symptom Cause and Remedy The power is not turned on. • The power has been turned off and on with the ?/1 key at a short interval. c Wait for about 45 seconds before turning on the power (see page 14). • The lamp cover is not secured. c Close the lamp cover securely (see page 33). • The air filter cover is detached. c Attach the air filter cover securely (see page 34). Both the LAMP/COVER The electrical system has broken down. and TEMP/FAN indicators c Consult with qualified Sony personnel. light up. The powered tilt adjuster is The AC power cord was unplugged with the power of the projector not retracted into the turned on. projector. c Connect the power cord to the AC outlet again, turn on the power of the projector, then turn it off. Picture Symptom No picture. Cause and Remedy • A cable is disconnected or the connections are wrong. c Check that the proper connections have been made (see page 9). • 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 (see page 12). • 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. Others Troubleshooting 35

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35
Troubleshooting
Others
B
Others
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.
Power
Picture
Symptom
Cause and Remedy
The power is not turned on.
• The power has been turned off and on with the
?
/
1
key at a short
interval.
c
Wait for about 45 seconds before turning on the power
(see page 14).
• The lamp cover is not secured.
c
Close the lamp cover securely (see page 33).
• The air filter cover is detached.
c
Attach the air filter cover securely (see page 34).
Both the LAMP/COVER
and TEMP/FAN indicators
light up.
The electrical system has broken down.
c
Consult with qualified Sony personnel.
The powered tilt adjuster is
not retracted into the
projector.
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.
Symptom
Cause and Remedy
No picture.
• A cable is disconnected or the connections are wrong.
c
Check that the proper connections have been made (see page 9).
• 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 (see
page 12).
• 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.