43
Troubleshooting
Others
Sound
Remote Commander
Others
Indicators
Symptom Cause and Remedy
No sound. • Cable is disconnected or the connections are wrong.
c Check that the proper connections have been made (see page
16).
• The audio connecting cable is incorrect.
c Use a no-resistance stereo audio cable (see page 16).
• The sound is muted.
c Press the AUDIO MUTING key to release the audio muting (see
page 13).
• The sound is not adjusted properly.
c Adjust the sound with the VOLUME +/– key on the Remote
Commander or adjust “Volume” in the PICTURE SETTING
menu (see page 28).
Symptom Cause and Remedy
The Remote Commander
does not work.
• The Remote Commander batteries are dead.
c Replace with new batteries (see page 14).
• The COMMAND ON/OFF switch is set to OFF.
c Set to ON.
• The PJ/NETWORK selector switch is set to NETWORK.
c Set to PJ.
The computer cannot be
controlled with the Remote
Commander.
• The USB cable is not connected.
c Connect the projector to the computer using the USB cable.
Symptom Cause and Remedy
The control panel keys do
not function.
• The control panel keys are locked.
c Unlock the control panel keys (see page 32).
Symptom Cause and Remedy
The LAMP/COVER
indicator flashes.
• The lamp cover or the air filter cover is detached.
c Attach the cover securely (see page 39 and 40).
• The lens protector does not open due to a problem.
c Slide the lens protector by hand, and then press the I/
1 key.
The LAMP/COVER
indicator lights up.
• The lamp has reached the end of its life.
c Replace the lamp (see page 38).
• The lamp becomes a high temperature.
c Wait for 60 seconds to cool down the lamp and turn on the
power again.
The TEMP/FAN indicator
flashes.
• The fan is broken.
c Consult with qualified Sony personnel.
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