Troubleshooting

There is no power

Ensure the AC power cord is connected securely.

Ensure the plug is fully inserted into the wall socket and is switched on. Check fuse in the mains plug or adaptor.

The player will not read the disc Check the disc is not loaded upside down. Check that the disc is not too scratched or dirty. The disc type is not supported by this unit. Check its region and type.

Functions on some discs may not work on this unit. This is not a malfunction of the player.

There is no sound

Ensure that the amplifier is set correctly.

Check that the interconnects are inserted correctly.

Check if the output has been set incorrectly to Bitstream or LPCM.

The disc is skipping

Check that the disc is not too scratched or dirty.

Ensure that the 651/751BD is on a firm surface and not subject to vibrations.

A low hum or buzz sound can be heard

Power cords or lighting placed near this product.

Analogue inputs not connected securely.

No sound from the rear speakers

Source being played is not recorded in surround-sound. Unit has been put to stereo or other down-mix mode.

No sound from the centre speaker

A stereo mode has been selected.

Remote control is not working

The batteries are flat.

The remote is too far from the unit or out of the effective range.

Files on a connected USB device do not play

If the USB drive is incompatible, or the player encounters errors while reading the USB drive or flash memory card, the screen displays "Device Error". In this case please verify that the USB drive is compatible, and try to unplug the device and re-insert again.

In some cases, an incompatible USB device may cause the 651/751BD to stop responding. If this occurs simply turn off the power, remove the USB device, and turn the player back on.

The file type is incompatible (i.e. AAC). Check the supported file types. The drive requires too much power from the USB socket.

Problems using HDMI

Ensure that your screen supports HDCP (High-Definition Copy Protection). Ensure your screen is capable of displaying the resolution being output by the Blu-ray player.

Note: Cables which run over 5m may cause sync or grounding issues. For more frequently asked questions (FAQs), technical advice and information on getting the most out of your 651/751BD, please visit the Support section on Cambridge Audio’s website: www.cambridgeaudio.com/support.php

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Cambridge Audio 751BD, 651 user manual Troubleshooting
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751BD, 651 specifications

Cambridge Audio is renowned for producing high-quality audio equipment, and the 651BD and 751BD models are prime examples of their commitment to delivering exceptional sound and video performance. These Blu-ray players offer a comprehensive set of features and technologies designed to elevate the home entertainment experience.

The Cambridge Audio 651BD is constructed with a focus on audio fidelity, providing an impressive range of audio formats, including SACD, DVD-Audio, and DTS-HD Master Audio. This model is designed for audiophiles who want rich, immersive sound to accompany their visual content. It incorporates a high-grade 24-bit/192kHz DAC, which ensures that even the most subtle nuances in music and dialogue are captured and reproduced with precision.

On the other hand, the 751BD takes performance a notch higher with the inclusion of advanced audio and video technologies. It features an enhanced Burr-Brown DAC, which is revered for its superior audio processing capabilities. The 751BD supports a wide array of video formats and resolutions up to 1080p, including various streaming formats, making it a versatile choice for modern entertainment systems. Additionally, it supports 3D Blu-ray playback, allowing viewers to experience their favorite films with stunning visual depth and clarity.

Both models are designed with a user-friendly interface, ensuring easy navigation through menus and media selections. They offer multiple connectivity options, including HDMI, USB, and Ethernet ports, which allow seamless integration with existing home theater systems and streaming services. The inclusion of onboard Wi-Fi in the 751BD further enhances its capabilities, facilitating convenient access to online streaming platforms.

The build quality of both players reflects Cambridge Audio's dedication to excellence, with robust chassis designed to minimize vibrations and interference. Aesthetically, these players have a sleek, modern design that fits well with any home entertainment setup.

In summary, the Cambridge Audio 651BD and 751BD Blu-ray players are exceptional devices that combine advanced technology, superior audio performance, and stunning video quality. With features designed for both audiophiles and casual viewers, they provide a rich and engaging entertainment experience that is hard to beat. Whether it’s high-definition films or high-quality music, these players are engineered to deliver every detail, turning any viewing into a cinematic experience.
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