What to do if there is no sound from any speakers connected to Cambridge Audio azur 751R Receiver?
If you're not getting any sound from any speakers, the Cambridge Audio Receiver might be set for 'Pre-out' operation. Change the Preamp out setting from 'Pre-out' to 'Normal' to restore sound.
General| HDMI Inputs | 6 |
|---|---|
| HDMI Outputs | 2 |
| Phono Input | Yes |
| Amplifier Type | Class AB |
| Power Output (8 Ohms) | 120W |
| Audio Formats Supported | Dolby TrueHD, DTS-HD Master Audio |
| Bluetooth | No |
| Digital Audio Inputs | 2 x Coaxial |
Ensuring proper airflow and placement for optimal performance and longevity.
Guidelines for power connection, usage, cleaning, and battery disposal.
Details on the product's warranty coverage and service procedures.
Details on power, display, tuning, modes, sensors, and front panel information indicators.
Buttons for selecting various audio and video sources like USB, BD/DVD, Video, CD, and direct inputs.
Options for selecting audio input types, stereo modes, and surround sound processing modes.
Features like HDMI preview, picture adjustment, Zone 2 control, and video input selection.
Connections for FM/AM antennas, RS232C control, and USB interface for audio playback.
Optical and coaxial digital inputs/outputs, HDMI inputs, and A/B HDMI outputs for video and audio.
Connections for various video sources (Composite, S-Video, Component) and multi-channel audio inputs/outputs.
Ports for IR emitters, trigger outputs, control bus, power, and speaker terminals.
Remote functions for power, source selection, modes, OSD access, and basic adjustments.
Controls for volume, bass/treble, mute, lip sync, info display, and screen dimming.
Buttons for direct input selection and controlling trigger outputs.
Remote functions specific to Zone 2 volume, standby, source selection, and mute.
Enables Zone 2 to follow the source selection of the main zone.
Indicators for active output channels and current audio decoding modes.
Display of current source, surround mode, and input type icons.
Connecting audio sources using stereo phono cables.
Connecting audio sources using optical or coaxial digital cables.
Connecting digital audio and video sources via HDMI.
Information on the receiver's capability to handle 4K video signals.
Setting up HDMI outputs for TV and projector connections, including ARC.
Connecting video sources via Composite, S-Video, or Component cables.
Connecting multi-channel analogue audio sources for direct playback.
Connecting to external power amplifiers or systems via preamp outputs.
Temporary connections for video games consoles and MP3 players.
Connecting FM aerials and AM loop aerials for optimal reception.
Initial setup of speaker types, size, delay, and crossovers for optimal surround sound.
Steps for manually configuring speakers or using the Audyssey auto setup process.
Recommendations for positioning front, surround, centre, subwoofer, and height speakers.
Configuring speaker size (Large/Small/None) for bass management.
Measuring and setting speaker distances for accurate sound arrival.
Manually adjusting speaker levels for balanced loudness using test signals.
Setting crossover points and managing bass redirection for 'Small' speakers.
Using the microphone for automatic speaker configuration and room equalization.
Steps for running the Audyssey auto setup for speaker calibration and room correction.
Connecting the microphone and starting the initial speaker detection phase.
The unit measuring speakers for levels, crossovers, and distances.
Adjusting equalization based on listening volume for consistent tonal balance.
Managing volume variations between programs and scenes for consistent levels.
Configuring which video input is used for each source.
Selecting Analogue, Digital, or HDMI for audio input for each source.
Descriptions of various Dolby Digital, Dolby True HD, and DTS formats.
Details on Dolby EX, DTS ES, Pro Logic II/IIx/IIz, and DTS Neo:6 modes.
Digital Signal Processing modes for stereo sources (Movie, Music, Direct).
Connecting PCs and Macs via USB for audio playback.
Connecting Linux systems via USB for audio playback.
Using ASIO and WASAPI Exclusive for optimal audio transfer.
How to select and switch between different audio/video sources.
Selecting desired stereo or surround sound modes for playback.
Operating the FM/AM tuner, storing stations, and using RDS features.
Adjusting audio delay to synchronize with video playback.
Enabling and using the Audio Return Channel from compatible TVs.
Fine-tuning picture settings like brightness, contrast, and resolution.
Listening to one source while watching video from another source.
Managing HDMI A/B outputs and enabling HDMI bypass mode.
Configuring bi-amping for front left/right speakers.
Adjusting tone controls, subwoofer levels, and LFE trim.
Selecting sources for Recorder 2 and Zone 2 outputs.
Changing OSD language and viewing firmware version.
Configuring Zone 2 speaker assignments and output types.
Using the main remote or front panel to control Zone 2.
Using IR repeaters to control Zone 2 sources remotely.
Diagrams and explanations of various 7.1 channel speaker layouts.
Restoring factory defaults and preserving settings.
Troubleshooting audio output problems from speakers or inputs.
Addressing issues like hum, buzz, phase, hiss, and noise.
Resolving problems with remote control operation and input connectivity.
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