Panasonic CQCB9900U CQCB9900U User Guide - Page 22

Troubleshooting (continued) Radio Problem Poor reception or noise No digital sound is output. Possible cause Antenna installation or wiring of antenna cable is faulty. No power is supplied to the antenna amplifier (when using a film antenna, etc.). Unsatisfactory broadcast conditions Possible solution Check whether the antenna mounting position and its wiring are correct. In addition, check to see whether the antenna ground is securely connected to the chassis. Check the wiring of the antenna battery lead. Receive and listen to the signals from the station concerned in the analog mode. There are no HD radio broadcast Move to an area where HD radio can stations. be received. Analog mode is selected. Select AUTO mode. Seeking takes too long. The number of auto preset stations are less than 6. Preset stations cannot be stored. Digital seeking may take some time. Change to auto seeking, and proceed with seeking again. The number of receivable stations are less than 6. Move to an area where receivable stations number is maximum, and try presetting. The contact of the battery lead is poor, or the battery lead is not always powered. Make sure that the battery lead is connected securely, and preset stations again. CD/MP3/WMA Problem No playback or disc ejected Possible cause Possible solution The disc is inserted upside down. There is a flaw or foreign objects on the disc. Insert a disc correctly. Remove the foreign objects, or use a flawless disc. The disc has unplayable formatted Refer to the description about data. MP3/WMA for playable sound data except CD-DA (i.e. music CD). The unit plays back the ROM track Skip the ROM track. of a mix mode CD. The CD-R/RWs that are playable on other devices are not playable on this unit. The playability of some CD-R/RWs may depend on the combination of media, recording software and recorder to be used even if these CD-R/RWs are playable on other devices such as a personal computer. Make CD-R/RWs in different combination of media, recording software and recorder after referring to the description about MP3/WMA. Sound skipping or noise There is a flaw or foreign objects on the disc. Remove the foreign objects, or use a flawless disc. For MP3/WMA, refer to the description about MP3/WMA. Sound skipping due to vibration The unit is not sufficiently secured. Secure the unit to the console box with the rear support strap, etc. The unit is tilted at over 30° in the Make the angle 30° or less. front-to-end direction. Disc unejectable A label is peeled off from the CD in Refer repair to the dealer where you the unit. purchased the unit. The microcontroller in the unit operates abnormally due to noise or other factors. Unplug the power cord and plug it again. In case the unit is still out of order, consult the dealer. Note: ≥ Refer to the section on "Notes on MP3/WMA" (page 26). 42 CQ-CB9900U CQ-CB9900U 43