Cambridge Audio 551R user manual Troubleshooting

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Troubleshooting

Alowhumorbuzzsoundcanbeheard

Powercordsorlightingplacednearthisproduct.

Analogueinputsnotconnectedsecurely.

Soundisnotaudiblefromonechannel

Speakerconnectionsdisconnected.

Speakersetto“None”inOSDsetupmenu.

Sound cuts off when listening to music or there is no soundeventhoughpowerisON

Speakerimpedanceislessthanprescribedforthe551R. Theunitisnotadequatelyventilatedandmaybeoverheating.

Lowbassor“phasey”response

Speakerpolarity(+/-)ofoneormorespeakersisreversed.

Anunusualhissingnoiseisheardwhenlisteningtoaradio broadcastinstereo,butnotheardwhenlisteninginmono

AslightnoisemaybeheardbecausethemethodusedformodulationofFM stereobroadcastsisdifferentthanthatusedformonobroadcasts.

Aerialqualityalsoeffectsthelevelofhissheard.

Noiseisexcessiveinbothstereoandmonauralradiobroadcasts

Poorlocationand/ordirectionoftheantenna.

Transmittingstationistoofaraway.

Nosoundfromtherearspeakers

Sourcebeingplayedisnotrecordedinsurroundsound.

Speaker/ssetto“None”inOSDsetupmenu.

Astereomodehasbeenselected.

Nosoundfromthecentrespeaker

Centrespeakerhasbeensetto“None”inOSDsetupmenu. Astereomodehasbeenselected.

Nosoundfromthesubwoofer

Subhasbeensetto‘Off’intheOSDsetupmenuorviatheremote.

DTS Neo:6, DD PLII/IIx modes (which have no LFE channel) have been selectedwithallspeakerssetto“Large”.

Remotecontrolisnotworking

Thebatteriesareflat.

Theremoteistoofarfromthereceiveroroutoftheeffectiverange.

No sound from speakers when connected to a digital input

Audio input type is set to analogue (check display). Press the Audio Input Typebuttontoswitchtodigital.

Nosoundfromspeakerswhenconnectedtoananalogueinput

Audioinputtypeissettodigital.PresstheAudioInputTypebuttontoswitch toanalogue(checkdisplay).

AudioinputtypecanalsobesetintheInput/OutputSetupmenuoftheOSD.

NoSoundfromanyspeakers

Receiverissetfor‘Pre-out’operation.

By entering the OSD menu, selecting the input/output setup menu, the Preampoutsettingcanbechangedfrom‘Normal’to‘Pre-out’.Thisdisables the internal amplifiers when an external decoder amplifier is being used. Resetthisto‘Normal’torestoresound.

NoSoundfromfrontspeakers,butrearspeakerswork

Receiverissetfor‘Ext2Ch’operation.

By entering the OSD menu, selecting the input/output setup menu, the Preampoutsettingcanbechangedfrom‘normal’to‘Ext.2Ch’.Thisdisables the internal amplifiers for the front channels when an external amplifier is beingusedtodrivethosechannels.Resetthisto‘Normal’torestoresound.

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Contents Azur Contents Beforeconnecting IntroductionMatthewBramble Importantsafetyinstructions Limitedwarranty Frontpanelcontrols Mainspowerlead Service/NormalPowerOn/Off FM/AMantennasRemotecontrol AppledevicecompatibilityFrontpaneldisplay LoudspeakerconnectionsAnalogueaudioconnections DigitalaudioconnectionsExamples HDMIinputconnections AnaloguevideoinputconnectionsVideooutputconnectionHDMI 7.1DirectinAerialconnections 1PreampoutFrontinputconnections FMaerial551Rsetup SpeakerconfigurationSpeaker SpeakersetupSpeakerdelay PresstheOSDbuttontoexitthemenuAutospeakersetupforDistance/Level LevelcalibrationArushingorhissysoundshouldbeheard AssigningVideoinputs BypassingforthatsourceProcessintheScalerAssignProcessingmenuafterwards Sourcesetup AudioconnectiontypeKnownalsoasDD3/3orDD6.1,anenhancedformofDolbyDigital.Ontop DTS-HDHighResolutionAudioSurroundsoundmodes MonoBackSurroundsOthermodes AnalogueStereoDirect DSPmodesStereo/Stereo+Sub MultiChannelPCM1 -5.1Left,Right,Centre,LeftSurround,RightSurroundand LFESub Decodemodes-5.1speakersetup OperatinginstructionsDecodemodes-7.1speakersetup Storingstations UsingtheTunerLipsync RadioDataSystemsRDSAudioReturnChannel PictureAdjustmentUsingARC AudiosplitmodeSubcrossoversandbassmanagement AdvancedsetupTone/Sub/LFEconfiguration Bi-ampingOSDsetup AdvancedDolby/DTSadjustmentsOn-ScreenDisplayisavailableonallvideooutputs Advancedsetup DTS-HDspeakerre-mapCustominstallationC.I.use Reset/Back-upmemoryTroubleshooting General TechnicalspecificationsAudio VideoAP30836/1-A

551R specifications

The Cambridge Audio 551R is a versatile and sophisticated A/V receiver that stands out in its class, designed for audiophiles and home theater enthusiasts alike. Combining cutting-edge technology with elegant design, the 551R delivers a remarkable audio-visual experience.

At the heart of the 551R is its robust amplification system, which offers 100 watts per channel across seven channels. This provides ample power to drive a wide variety of speakers, ensuring dynamic sound across all listening levels. The receiver features a high-quality digital signal processing unit that enhances audio performance while accommodating the latest high-definition formats.

One of the standout features of the Cambridge Audio 551R is its extensive connectivity options. With multiple HDMI inputs, the 551R allows for seamless integration with various devices, such as Blu-ray players, gaming consoles, and streaming devices. The HDMI inputs support 3D video and 4K pass-through, ensuring compatibility with modern home entertainment systems. Additionally, it includes multiple digital and analog inputs, allowing users to connect traditional audio sources.

The 551R employs a sophisticated user interface, complete with an intuitive on-screen display. This makes navigating through settings and configurations effortless, even for those who may not be tech-savvy. The receiver also comes with a remote control that offers convenient access to essential functions.

Cambridge Audio places high importance on sound quality, and the 551R is no exception. Its premium components, including a high-grade DAC (Digital to Analog Converter) and carefully selected capacitors, contribute to achieving an exceptionally clean and natural sound signature. The receiver also offers various sound modes and equalization settings, which allow users to tailor the audio output to their room’s acoustics and personal preferences.

Another key characteristic is the inclusion of advanced video processing technologies. The 551R can upscale standard video sources to near-HD quality, enhancing the overall viewing experience. This is especially beneficial for older content or lower-resolution media, allowing users to make the most of their display’s capabilities.

In summary, the Cambridge Audio 551R A/V receiver is a powerful and versatile product that brings together exceptional sound quality, extensive connectivity options, and user-friendly functionality. Whether for music appreciation or cinematic experiences, the 551R is designed to satisfy the most discerning audio and video aficionados, making it an excellent choice for any home entertainment setup.