Sony CX20 Operating Instructions - Page 37

Sound Symptom No sound. Cause and Remedy • 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). Remote Commander Symptom Cause and Remedy The Remote Commander The Remote Commander battery is dead. does not work. c Replace it with a new battery (see page 7). Others Symptom The control panel keys do not function. Cause and Remedy The control panel keys are locked. c Unlock the control panel keys (see page 26). Indicators 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 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 The fan is broken. flashes. 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 The electrical system has broken down. and TEMP/FAN indicators c Consult with qualified Sony personnel. light up. Others Troubleshooting 37