Sony VPL-BW7 manual Others

46
This section describes how to solve the problems, how to replace the lamp and air filter,
etc.
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
Others
Symptom Cause and Remedy
The power is not turned
on.
• The power has been turned off and on with the ?/1 switch at a
short interval.
cWait for about 90 seconds before turning on the power
(1 page 27).
• The lamp cover is not secured.
cClose the lamp cover securely (1 page 49).
• The air filter cover is detached.
cAttach the air filter cover securely (1 page 51).
Symptom Cause and Remedy
No picture. • A cable is disconnected or the connections are wrong.
cCheck that the proper connections have been made
(1 page 18).
• The connections are wrong.
cThis 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.
1Connect the projector to the computer.
2Turn the projector on.
3Start the computer.
• Input selection is incorrect.
cSelect the input source correctly (1 page 27).
• The picture is muted.
cPress PIC MUTING to release the picture muting
(1 page 32).
• 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.
cSet the computer signal to output only to an external monitor
(1 page 21).