Yamaha RX-V630RDS No sound from the rear center speaker, Humming sound, Can be heard, Mode

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TROUBLESHOOTING

Problem	Cause	Remedy	Refer
			to page

No sound from the rear center speaker.

“1C REAR LR” or “1D REAR CT” on	Select LRG or SML.	44
the SET MENU is set to NON.

The Dolby Digital EX decoder or the DTS-ES compatible decoder is not on.

Press the EX/ES button on the remote control to	28
turn it on.

A “humming” sound	Incorrect cable connections.	Firmly connect the audio plugs. If the problem	10 – 16
can be heard.		persists, the cables may be defective.

The volume level cannot be increased, or the sound is distorted.

The component connected to the OUT (REC) jacks of this unit is turned off.

Turn on the power to the component.

—

The sound effect	It is not possible to record the sound	—
cannot be recorded.	effect by a recording component.

A source cannot be recorded by a digital recording component connected to the DIGITAL OUTPUT jack of this unit.

A source component is not connected to the DIGITAL INPUT jacks of this unit.

Connect the source component to the DIGITAL	—
INPUT jacks of this unit.

The sound field	“10 MEM. GUARD” in the SET MENU
parameters and some	is set to ON.
other settings on this
unit cannot be
changed.

Set “10 MEM. GUARD” in the SET MENU to	—
OFF.

This unit does not	The internal microcomputer has been
operate properly.	frozen by an external electric shock (such
	as lightning or excessive static electricity)
	or by a power supply with low voltage.

Disconnect the AC power cord from the outlet	—
and then plug it in again after about 30 seconds.

“CHECK SP WIRES” appears on the front panel display.

Speaker cables are short circuited.

Make sure all speaker cables are connected	—
correctly.

There is noise interference from digital or high-frequency equipment, or this unit.

This unit is too close to the digital or high-frequency equipment.

Move this unit further away from such	—
equipment.

This unit suddenly	The internal temperature becomes too
turns into the standby	high and the overheat protection circuitry
mode.	has been activated.

Wait until this unit cools down and then turn it	—
back on.

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Contents Manual DE Instrucciones Gebruiksaanwijzing For U.K. customers Special Instructions for U.K. ModelContents Features About this manualGetting Started Checking the package contentsControl Controls and Functions Front panelSTEREO/EFFECT Remote control STEREO/EFFECT Using the remote controlHandling the remote control SET MenuFront panel display Speaker placement Speaker SetupSpeakers Connecting the speakers Diagram shows the speaker layout in the listening room Subwoofer jackImpedance Selector switch Impedance Selector switchConnecting to digital jacks ConnectionsConnecting video components Video monitor Indicates signal directionCable TV Game console or CamcorderConnecting a CD recorder or MD recorder Connecting audio componentsConnecting a CD player DSP-AX630SEConnecting a tunerSet up the AM loop antenna, then connect it Connecting the antennas RX-V630RDSConnecting the AM loop antenna 75-ohm/300-ohm antenna adapter U.K. modelConnecting an external decoder Connecting the AC power cord Connecting the power supply CordsTurning on the power Turn on the video monitor connected to this unitSpeaker Mode Settings Nrm Normal/-10 dBUsing the test tone Adjusting Speaker Output LevelsBefore you begin When adjustment is Adjust the levelEffect speakers using j So that it matches Level of the main SpeakersTo select the audio source connected to the 6CH Input jacks Basic PlaybackSelected input source BGV background video function When you have finished using this unitTo mute the sound Input modes and indications Sub-program name Program name Program l / hProgram name Sub-program nameSelecting PRO Logic Press q/DTS SURVirtual Cinema DSP Playing Dolby Digital SurroundEX or DTS ES software Normal stereo reproductionHi-Fi DSP programs Digital Sound Field Processing DSPUnderstanding sound fields Recreating a sound fieldCINEMA-DSP Sound design of CINEMA-DSPDolby Pro Logic + DSP sound field effect Dolby Digital/DTS + DSP sound field effectDolby Digital EX/DTS-ES compatible + DSP sound field effect Dolby Pro LogicFor movie programs No to CINEMA-DSP programsTable of Program Names for Each Input Format For audio-video sources No to Sci-FiAutomatic tuning TuningAutomatic and manual tuning Manual tuningPresetting stations Automatically presetting stations for FM stationsPress Memory MAN’L/AUTO FM Manually presetting stationsTune in to a station Repeat steps 1 to 5 to store other stationsPress and hold PRESET/TUNING Edit for more than 3 seconds Tuning in to a preset stationExchanging preset stations Press PRESET/TUNING Edit againReceiving RDS Stations Changing the RDS modeDescription of RDS data PTY Seek function To cancel this functionPress PTY Seek Mode to set this unit PTY Seek mode EON functionCanceling the sleep timer Sleep TimerSetting the sleep timer To set the amount of timeTimer playback/recording Special considerations when recording DTS softwareRecording On the remote control Adjusting the items on the SETSET Menu 1A Center center speaker mode Speaker SET speaker mode settingsOn the front panel 1D Rear CT rear center speaker mode 1B Main main speaker mode1C Rear LR rear speaker mode 1E Bass LFE/bass out modeNrm SP DLY Time speaker delay time1F Main Lv main level mode 10 dBRange dynamic range R Balance balance Main left and right speakersAuto Input Mode initial input mode10 MEM. Guard memory guard LastControlling this unit Remote Control FeaturesControl area Controlling other componentClearing setup manufacturer Codes Setting the manufacturer codeClearing setup manufacturer code for the component control Controlling other components VCRFor 6ch Stereo Adjusting the Level of the Effect SpeakersPress j / i to adjust the speaker output level Subwoofer output levelAdjusting the Delay Time Press j / i to adjust the delay timePRO Logic Music parameter Descriptions Changing parameter settingsCT Width Center width Troubleshooting GeneralOne side can be Sound suddenlyOnly the speaker on HeardNo sound from the rear center speaker Other settings on this Unit cannot be ChangedCheck SP Wires appears on the front panel display Humming soundRemote control Dolby Digital GlossaryDolby Surround DTS Digital Theater Systems Digital SurroundPCM Linear PCM Video signalComponent video signal Sampling frequency and number of quantized bitsSpecifications Admiral KTV Satellite Tuner Cable TVVCR LD Player DVD PlayerCD Player MD Recorder CD RECORDER/CD-RWTape Deck V874860