Panasonic CQ-C7105U operating instructions Troubleshooting, Check the speaker wiring

Page 34

Troubleshooting (continued)

Common (continued)

Problem

Some operations

are not executable.

No sound from

speaker(s)

The speaker channels are reversed between right and left.

The sound field is

not clear in the

stereo mode.

Central sound does

not settled.

The power fails unintentionally.

Possible cause a Possible solution

Some operations are not executable in particular modes such as menu mode.

aRead the operating instructions carefully and cancel the mode. If the unit is still out of order, consult your dealer.

BALANCE/FADER setting is not appropriate.

aReadjust BALANCE/FADER.

There is a break, a short circuit, poor contact or wrong wiring regarding the speaker wiring.

aCheck the speaker wiring.

The speaker wiring is confused between right and left.

aPerform the speaker wiring in accordance with the wiring diagram.

The plus and minus terminals at right and left channels of speakers are connected reversely.

aPerform the speaker wiring in accordance with the wiring diagram.

The safety device works.

aConsult your dealer, or your nearest Panasonic Servicenter.

Radio

Poor reception or

noise

The number of auto

preset stations is

less than 6.

Preset stations

cannot be stored.

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 receivable stations number is maximum, and try pre- setting.

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.

34CQ-C7205U/C7105U

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Contents Model CQ-C7205U/C7105U CQ-C7205USafety Information Safety Information FCC Warning Safety InformationBefore Reading These Instructions 60 Ω V 200 ΩAccessories Before Reading These InstructionsService in Puerto Rico Customer Services DirectoryAccessory Purchases CanadaLimited Warranty Before Reading These InstructionsFeatures Contents Controls Layout Main Unit When Face PlateOpens Controls Layout Remote Control UnitOperations executable only with remote control Number ButtonsPreparation CancellationRemote Control Preparation Demonstration screenPreparation Using SubwooferOther SecurityGeneral On/offPower Powerpwr Power offPower on FaceOpen/Close, Tilt Tilt Volume Adjustment VolumeTemporary Volume Off Down MotionSource GeneralSelection AUXClock display default Off At power-onAt power-off GeneralSelection Based on Genre AdjustmentSound Control SQ changeoverSound Control Substitutional SubwooferEd. a Radio Operation Flow Radio Mode DisplayDirect Memory Radio Menu Display Station PresetPreset RadioTrack selection Mode DisplayCD Player PauseCD Player Functions Only by Remote Control UnitRepeat Play CD Menu Display RandomPlayer MP3/WMA/AAC PlayerFlow AudioUnit MenuMP3/WMA/AAC Player Compressed audio files Setting at file makingMP3/WMA/AAC Player As to the display This unitCopyright No warrantyCompressed audio file writing Supported file systemsAudio Setting DisplaySecurity Function SettingMute KEY BUILT-IN AMPContrast Graphic PatternStill Image Pattern Clock ADJOpening Message Customize Menu DisplayStill Image Closing MessageAt Customizing Error Display MessagesFunction At Disc MakingProblem No power to Unit Sound is not Generated Noise TroubleshootingCustomize the Display, Troubleshooting Check the wiringCheck the speaker wiring TroubleshootingCheck the wiring of the antenna battery lead Compressed audio TroubleshootingProblem No playback or Disc ejected Sound skipping or Noise Disc unejectableProblem CD/Compressed Audio Error Display MessagesError Display Messages DisplayMaintenance/Fuse Cleaning Unit FuseSpecifications Memorandum CQ-C7205U/C7105U115 Division of Panasonic Rico, Inc. PSC English Installation InstructionsInstructions d’installation Instrucciones de instalación FrançaisCâblage CQ-C7205U/C7105ULead Connections Conexiones de cablesModel CQ-C7205U/C7105U This pictograph intends to alert you to the pres Instructions may result in injury or material damRefer to safety information of optional devices as well Sample Common Each Source As Needed Connectable Devices General Source Selection Radio System-up ConnectorWhen connecting CD Changer a FM1, FM2, FM3, AM a Operating InstructionsFolder up/Down Operation Flow CD Changer Mode DisplayDisc selection Track/File selectionDisc Repeat Only for CD-DA disc Disc Random Only for CD changerFolder Repeat Only for MP3 disc Operation Flow DVD Changer Mode DisplayChapter/Track selection Title Repeat Random, Repeat Play DVD Changer Menu DisplayChapter Repeat Disc RepeatIPod Control File Selection PauseMenu Press Menu to close the menu SEL to adjustIPod Control Random ShuffleGetting Started Connecting XM receiverXM Receiver 1Check of XM Satellite Radio IDPreset channel selection Channel selectionCategory selection XM ReceiverSelection by Category Channel can be directly selected Example channel numberSirius Sirius Satellite Radio ReceiverMode Sirius Satellite Radio ReceiverSirius Satellite Radio Receiver Text Setting Sirius Receiver Menu Display Sirius Satellite Radio ReceiverBluetooth disconnection/reconnection Connecting Hands-Free Phone SystemAdjust the ring volume Hands-Free Phone SystemHands-Free Phone System Speaker SettingHands-Free Speaker Verify the wiring Disc ChangerTroubleshooting Sirius Satellite Radio XM ReceiverSystem Upgrade Guidebook