Sony FX52L - Manual (Page 45)

45
Troubleshooting
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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 I / 1 key at a short
interval.
c Wait for about 40 seconds before turning on the power
(see page 27).
• The lamp cover is detached.
c Close the lamp cover securely (see page 42).
• The air filter cover is detached.
c Close the air filter cover securely (see page 43).
Both the LAMP/COVER
and TEMP/FAN indicators
light up. • The electrical system breaks down.
c Consult with qualified Sony personnel.
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 18).
• Input selection is incorrect.
c Select the input source correctly using the INPUT key
(see page 24).
• The picture is muting.
c Press the PIC MUTING key to release the muting function
(see page 25).
• 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.
• The signal is input from the computer to the INPUT C connector.
c Confirm the setting of the DDC function of your computer (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.