Sony VPL-CX20 Manuale Utente

37

Troubleshooting

Others

No sound.

• A cable is disconnected or the connections are wrong.

c Check that the proper connections have been made (see page 9).

• The connecting cable used is incorrect.

c Use the A/V connecting adaptor (supplied) (see page 9).

• The sound is not adjusted properly.

c Adjust “Volume” on the Picture menu (see page 22).

The Remote Commander 
does not work.

The Remote Commander battery is dead.
c Replace it with a new battery (see page 7).

The control panel keys do 
not function.

The control panel keys are locked.
c Unlock the control panel keys (see page 26).

The LAMP/COVER 
indicator flashes.

• The lamp cover or the air filter cover is detached.

c Attach the cover securely (see page 33 and 34).

• The electrical system may break down.

c Consult with qualified Sony personnel.

The LAMP/COVER 
indicator lights up.

• The lamp has reached the end of its life.

c Replace the lamp (see page 32).

• The lamp has reached a high temperature.

c Wait for 45 seconds to cool the lamp and then turn on the power 

again.

• If the LAMP/COVER indicator still lights even after you have 

replaced the lamp, the electrical system may break down.
c Consult with qualified Sony personnel.

The TEMP/FAN indicator 
flashes.

The fan is broken.
c Consult with qualified Sony personnel.

The TEMP/FAN indicator 
lights up.

• The internal temperature is unusually high.

c Check to see that nothing is blocking the ventilation holes.

• The projector is being used at a high altitude.

c Ensure that “High Altitude Mode” on the Installation menu is 

set to “On.”

Both the LAMP/COVER 
and TEMP/FAN indicators 
light up.

The electrical system has broken down.
c Consult with qualified Sony personnel.