Panasonic CQ-C8401U Auto Radio/cd Deck - Page 21
Troubleshooting, Common continued, Radio, XM Tuner, MP3/WMA - cq wiring
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Troubleshooting Common (continued) Problem Some operations are not executable. Possible cause a Possible solution Some operations are not executable in particular modes such as menu mode. a Read the operating instructions carefully and cancel the mode. In case the unit is still out of order, consult the dealer. No sound from speaker(s) BALANCE/FADER setting is not appropriate. a Readjust BALANCE/FADER. There is a break, a short circuit, poor contact or wrong wiring regarding the speaker wiring. a Check the speaker wiring. The speaker channels are reversed between right and left. The speaker wiring is confused between right and left. a Perform the speaker wiring in accordance with the wiring diagram. The sound field is not clear in the stereo mode. Central sound does not settled. The plus and minus terminals at right and left channels of speakers are connected reversely. a Perform the speaker wiring in accordance with the wiring diagram. The power fails unintentionally. The safety device works. a Call the store where you purchased the unit, or your nearest Panasonic Servicenter. Poor reception or noise Antenna installation or wiring of antenna cable is faulty. a 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. No power is supplied to the antenna amplifier (when using a film antenna, etc.). a Check the wiring of the antenna battery lead. The number of auto preset stations is less than 6. The number of receivable stations is less than 6. a Move to an area where receivable stations number is maximum, and try presetting. Radio Preset stations cannot be stored. The contact of the battery lead is poor, or the battery lead is not always powered. a Make sure that the battery lead is connected securely, and preset stations again. 40 CQ-C8401U/C8301U/C7401U/C7301U MP3/WMA CD XM Tuner Problem Channel unselectable Possible cause a Possible solution No contract with XM Satellite Radio Inc. a Refer to page 13 of this book and the XM's website to sign up for XM Radio service. No playback or disc ejected Sound skipping or noise Sound skipping due to vibration Disc unejectable The disc is inserted upside down. a Insert a disc correctly. There is a flaw or foreign material on the disc. a Remove the foreign material, or use a flawless disc. There is a flaw or foreign material on the disc. a Remove the foreign material, or use a flawless disc. The unit is not sufficiently secured. a Secure the unit to the console box with the rear support strap, etc. The unit is tilted at over 30˚ in the front-to-end direction. a Make the angle 30˚ or less. Something such as a peeled label obstructs the disc coming out. a Hold down the [OPEN] button for 2 sec. or more when the face plate is open (disc forced ejection). In case that the disc forced ejection does not work, consult the dealer The microcontroller in the unit operates abnormally due to noise or other factors. a Unplug the power cord and plug it again. In case the unit is still out of order, consult the dealer. No playback or disc ejected The disc has unplayable formatted data. a Refer to the description about MP3/WMA for playable sound data except CDDA (i.e. music 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 PC. a 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 material on the disc. a Remove the foreign material, or use a flawless disc. For MP3/WMA, refer to the description about MP3/WMA. Playing VBR (Variable Bit Rate) files may cause sound skipping. a Play Non-VBR files. CQ-C8401U/C8301U/C7401U/C7301U 41 Troubleshooting English