Sony CDX-C5850 Operating Instructions (primary manual) - Page 25

Troubleshooting guide The following checklist will help you remedy the problems you may encounter with your unit. Before going through the checklist below, check the connection and operating procedures. General Problem Cause/Solution No sound. •Cancel the ATT function. •Set the fader control to the center position for two-speaker systems. •Rotate the dial in a clockwise direction to adjust the volume. The contents of the memory have been erased. • The power cord or battery has been disconnected. • The reset button has been pressed. n Store again into the memory. Indications do not appear in the Remove the front panel and clean the connectors. See display. "Cleaning the connectors" (page 23) for details. No beep sound. •An optional power amplifier is connected and you are not using the built-in amplifier. •The beep sound is canceled (page 14). CD/MD playback Problem A disc cannot be loaded. Playback does not begin. A disc is automatically ejected. CD will not eject. The operation buttons do not function. The sound skips due to vibration. Cause/Solution •Another CD is already loaded. •The CD is forcibly inserted upside down or in the wrong way (MD). Defective MD or dirty CD. The ambient temperature exceeds 50°C (122°F). Press 6 for two seconds. Press the reset button. • The unit is installed at an angle of more than 60°. • The unit is not installed in a sturdy part of the car. Radio reception Problem Preset tuning is not possible. Automatic tuning is not possible. The "ST" indication flashes. Cause/Solution • Memorize the correct frequency. • The broadcast signal is too weak. The broadcast signal is too weak. n Use manual tuning. •Tune in the frequency accurately. •The broadcast signal is too weak. n Set to the MONO mode (page 10). 25