52 Troubleshooting

BOthers

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 pers onnel.

Power

Picture

Symptom Cause and Remedy
The power is not turned on. • The lamp cover is not secured.
cClose the lamp cover securely (see page 50).
Symptom Cause and Remedy
No picture. • A cable is disconnected or the connections are wrong.
cCheck that the proper connections have been made (see
page23).
• The connections are wrong.
cThis projector is compatible wit h 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 (see page 26).
• The picture is muted.
cPress the PIC MUTING key to release the picture muting (see
pages18, 20).
• 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
(see page2 3).
• Wait a while (90 seconds at the longest) until the lamp lights again.
The picture is noisy. • Noise may appear on the background depending on the
combination of the number of dots input from the computer and
the numbers of pixels on the LCD panel.
cChange the desktop pattern on the connected computer.
• Input a video signal with the jitter.
cUse a TBC (Time Base Corrector) to try to reduce video jitter.
The picture from the
INPUT A connector is
colored strangely.
The setting of “Input-A Signal Sel.” in the Setup menu is incorrect.
cSelect “Computer,” “Video GBR” or “Component” correctly
according to the input signal (see page41).
“Please check Input-A
Signal Sel.” appears in
spite of inputting the
correct signal from INPUT
A.
The setting of “Input-A Signal Sel.” in the Setup menu is incorrect.
cSelect “Computer,” “Video GBR” or “Component” correctly
according to the input signal (see page41).
On-screen display does not
appear. “Status” in the Setup menu has been set to “Off.”
cSet “Status” in the Setup menu to “On” (see page40).