Sony CDX-CA400 Operating Instructions (primary manual) - Page 18

Troubleshooting The following checklist will help you remedy problems you may encounter with your unit. Before going through the checklist below, check the connection and operating procedures. General No sound. •Turn the VOL control dial clockwise to adjust the volume. •Cancel the ATT function. •Set the fader control to the center position for a 2-speaker system. The contents of the memory have been erased. •The RESET button has been pressed. t Store again into the memory. •The power cord or battery has been disconnected. •The power connecting cord is not connected properly. No beep sound. •The beep sound is canceled (page 13). •An optional power amplifier is connected and you are not using the built-in amplifier. Indications disappear from/do not appear in the display. •The clock display disappears if you press (OFF) for 2 seconds. t Press (OFF) again for 2 seconds to display the clock. •Remove the front panel and clean the connectors. See "Cleaning the connectors" (page 15) for details. Stored stations and correct time are erased. The fuse has blown. Makes noise when the ignition key is in the ON, ACC, or OFF position. The leads are not matched correctly with the car's accessory power connector. No power is being supplied to the unit. •Check the connection. If everything is in order, check the fuse. •The car does not have an ACC position. t Press (SOURCE) (or insert a disc) to turn on the unit. The power is continuously supplied to the unit. The car does not have an ACC position. The power antenna does not extend. The power antenna does not have a relay box. CD/MD playback A disc cannot be loaded. •Another CD is already loaded. •The CD is forcibly inserted upside down or in the wrong way. Playback does not begin. •Defective MD or dirty CD. •CD-R/CD-RW that is not finalized. •You tried to playback a CD-R/CD-RW not designed for audio use. •Some CD-Rs/CD-RWs may not play due to its recording equipment or the disc condition. A disc is automatically ejected. The ambient temperature exceeds 50°C (122°F). CD will not be ejected. The operation buttons do not function. Press the RESET button. The sound skips from vibration. •The unit is installed at an angle of more than 60°. •The unit is not installed in a sturdy part of the car. The sound skips. Dirty or defective disc. 18