Panasonic CQVD7500U CQVD7500U User Guide - Page 39

E N Troubleshooting (continued) G L I ■ MP3 (Continued) S H Problem Possible cause a Possible solution 66 File playing time is not displayed correctly. You turned off the ignition switch of the car during playback. aPlaying another file will return the file playing time to normal. ■ Radio Problem Poor reception or noise The number of auto preset stations is less than 6. Preset stations cannot be stored. Possible cause a Possible solution Antenna installation or wiring of antenna cable is faulty. aCheck 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.). aCheck the wiring of the antenna battery lead. The number of receivable stations is less than 6. aMove to an area where the number of receivable stations is greater, and try presetting. The contact of the battery lead is poor, or the battery lead is not always powered. aMake sure that the battery lead is connected securely, and preset stations again. ■ SD-Card Problem The Card is inserted but unit can not recognize it The unit recognizes the SD-Card but no file can be selected. Possible cause a Possible solution Not initialized SD-Card is inserted. aInitialize the card and record the play data with your personal computer. SD Card is out of order. aReplace it with new one. No file recorded aRecord play data on SD-Card with your Personal computer. The name of file is not proper aGive the proper file name to your play data (a page 50). ■ Car Navigation, VCR, Camcorder, Rear View Camera, Rear Monitor Problem Possible cause a Possible solution The picture from a car navigation system is not displayed. The connection of a car navigation system is not correct. aConnect it correctly. Input setting of a car navigation system is not correct. aCorrect the input setting. 82 CQ-VD7700U/VD7500U E N G L ■ Car Navigation, VCR, Camcorder, Rear View Camera, Rear Monitor (Continued) I S Problem Possible cause a Possible solution H The picture from a VCR or a A VCR or Camcorder is not connected correctly. 67 camcorder is not displayed. aConnect a VCR or Camcorder correctly. No sound from a VCR or a camcorder. The VTR1-IN and/or VTR2-IN level is excessively high. (The "OVER" display appears.) aAdjust the VTR Input level. The picture from a rear view camera is not displayed. The picture or the sound of the rear monitor is not switchable. Rear view camera is not connected correctly. aConnect a rear view camera correctly. Input setting of camera is not correct. aCorrect the input setting. "AUTO" is not selected as the rear monitor setting. aSelect "AUTO" for the setting. ■ Sound Settings Problem No sound from left, right, front, or rear speaker. Left and right sounds are reversed. No sound on the speaker. No sound from the subwoofer Possible cause a Possible solution Cables are not correctly connected. aConnect the cables correctly. The speaker leads are connected in reverse between right and left. aConnect the speaker wires to the correct one. The speaker setting is "NO" or "NONE". aSet it correctly. Playing back a disc having a subwoofer channel ¡Subwoofer is set to "NO" in the speaker setting. aSet subwoofer to "YES". ¡Down mix aNo technical trouble. Cancel the down mix. ¡Private mode is set to "ON". aSet private mode to "OFF". A disc without subwoofer channel is played back, or analog audio is played back ¡Subwoofer is set to "NO" in the speaker setting. aSet subwoofer to "YES". ¡Sound field (SPACE) is set to "OFF". aNo technical trouble. Set it to other than "OFF". ¡A disc recorded on 1 ch, 3 ch, 4 ch, or 5 ch is played back. aNo technical trouble. No audio is output from the subwoofer when such a disc is played back. Note: Sound does not come out of the subwoofer with default speaker setting when SPACE is set to OFF. (However, some speaker settings allow sound output even if SPACE is set to OFF.) If SPACE is set to VOCAL, the sound output level from the subwoofer is lower than with other SPACE settings (except for OFF). 83 CQ-VD7700U/VD7500U