Kenwood VR-9080 Instruction Manual

Also see for KRF-X9090D: Service manual Instruction manual

Contents

53 ENIn case of difficultyResetting the MicrocomputerThe microcomputer may malfunction (unit cannot be operated, orshows an erroneous display) if the power cord is unplugged whilethe power is ON, or due to some other external factor. If thishappens, execute the following procedure to reset themicrocomputer and return the unit to its normal operatingcondition.• Please note that resetting the microcomputer will clear the contentsof the memory and returns the unit to the state it was in when it leftthe factory.For the U.S.A. and CanadaUnplug the power cord from the wall outlet, then plug itback in while holding down the (POWER ON/STANDBY)key.For other countriesWith the power cord plugged in, turn the POWER ON/OFFkey OFF. Then, while holding down the (POWER ON/STANDBY) key, press POWER ON/OFF key.AmplifierCause• The speaker cords are disconnected.• VOLUME is set to the minimum position.• MUTE is ON.• The SPEAKERS switches are set to OFF.• Headphones are connected to the PHONESjack.• Speaker cords are short-circuited.• The speaker cord is disconnected.• The speaker is not set up correctly.• The surround speaker cords and/or the centerspeaker cord is disconnected.• The speaker is not set up correctly.• A surround mode has not been engaged.• The surround and/or center volume controlsare set to the minimum level.• The audio cord from the record player is notconnected to the PHONO jacks.• The record player is not grounded.• There are many possible causes for thisproblem, depending on the type of DVD playerused.• The input mode is set to digital manual.• The software is copy-guarded.• Problems are detected while in AUTO SETUPcalibration.Remedy• C o n n e c t t h e m p r o p e r l y r e f e r r i n g t o“Connecting the speakers” %• Adjust the volume to a proper level. ¶• Turn OFF the MUTE. ª• Set the SPEAKERS switches to ON. ¶• Unplug the headphones plug. ª• Turn the power off, eliminate the short-circuiting, then turn on the power again.• Connect it properly referring to “Connectingthe speakers”. %• Set it up properly referring to “Preparing forsurround sound”. )• Connect it properly referring to “Connectingthe speakers”. %• Set it up properly referring to “Preparing forsurround sound”. )• Select a surround mode.• Adjust the speaker levels using the test tone.¢• Insert the audio cord plugs securely into thePHONO jacks.• Connect the grounding wire to the GNDterminal on the rear panel.• Set the input mode to digital manual beforestarting playback of the Dolby Digital source.8• Press the INPUT MODE key to select to fullauto mode. 8• Copy-guarded video software cannot berecorded.• Refer to "About error messages" and "Aboutwarning messages". ¡SymptomNo sound from the speakers.The STANDBY indicator blinks and sound isnot output.Sound is not output from one of the speakers.Sound is not output from the surroundspeakers and / or the center speaker, or theirsound is very small.A humming noise is generated when thePHONO input selector is selected.When playing a Dolby Digital source signalusing a DVD player, the sound is cut off soonafter it starts.No sound is produced during playback froma DVD player.A video source cannot be recordednormally.Display such as Exx : XXX appears.

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