NAD T770 owner manual Troubleshooting

Page 20

 

 

TROUBLESHOOTING

 

 

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

NO SOUND

• Power AC lead unplugged or power not

• Check if AC lead is plugged in and

 

 

switched on

power switched on

 

 

• Tape 2 Monitor selected

• De-select Tape 2 Monitor mode

 

 

• Mute on

• Switch off Mute

 

 

• Speakers not switched on

• Switch Speakers on

 

 

 

 

 

NO SOUND ONE CHANNEL

• Speaker not properly connected or

• Check connections and speakers

 

 

damaged

 

 

 

• Input lead disconnected or damaged

• Check leads and connections

 

 

 

 

 

NO SOUND ON SURROUND CHANNELS

• No surround mode selected

• Select a Surround Mode

 

 

• Mono sound source

• Test system with Stereo or Dolby

 

 

 

Surround material

 

 

• Speakers not properly connected

• Check speakers and connections

 

 

• Surround volume level too low

• Increase surround volume level

 

 

 

 

 

NO SOUND ON CENTER CHANNEL

• In Setup “NONE” for center speaker

• Select appropriate Center mode (large

 

 

selected

or small)

 

 

• By-Pass mode selected

• Select Surround Mode

 

 

• Speaker not connected properly

• Check Speaker and connection

 

 

• Center volume level set too low

• Increase center volume level

 

 

 

 

 

NO SOUND IN ‘SURROUND OFF’ WITH

• Analogue connections from source not

• Connect analogue connections from

 

DIGITAL INPUT

connected to T770

digital source as well

 

 

 

 

 

NOT POSSBILE TO SELECT “DOLBY DIGITAL”

• Source not connected using digital

• Connect digital output of source to T770

 

 

in/outputs

 

 

 

• Digital input has not been assigned to

• Assign the digital input used to selected

 

 

selected input

input

 

 

 

 

 

WEAK BASS/ DIFFUSE STEREO IMAGE

• Speakers wired out of phase

• Check connections to all speakers in

 

 

 

the system

 

 

 

 

 

REMOTE CONTROL HANDSET NOT

• Batteries flat, or incorrectly inserted

• Check or replace batteries

 

WORKING

• IR transmitter or receiver windows

• Remove obstruction

 

 

obstructed

 

 

 

• IR receiver in direct sun or very bright

• Place unit away from direct sun, reduce

 

 

ambient light

amount of ambient light

 

 

 

 

 

NO SOUND WITH TUNER

• Antenna leads incorrectly connected

• Check antenna connections to receiver

GB

 

• Station not selected or weak signal with

• Re-tune or switch off FM Mute

 

FM Mute on

 

 

 

 

NOISE, HISS ON AM AND FM

• Weak signal

• Check station tuning. Adjust or replace

 

 

 

antenna

 

 

 

 

 

DISTORTION ON FM

• Multi-path signals or interference from

• Check station tuning. Adjust or replace

 

 

another station

antenna

 

 

 

 

 

WHISTLES OR BUZZES ON FM & AM

• Interference from other electrical

• Check station tuning. Switch off or

 

 

sources - computers, games consoles

move the source of the electrical noise

 

 

 

 

 

WHISTLES OR BUZZES ON AM

• Interference from fluorescent lighting

• Check station tuning. Adjust or replace

 

 

or electrical motors

AM antenna

 

 

 

 

 

NO RDS NAME (PS)

• Station signal too weak

• Check station tuning. Adjust or replace

 

 

 

antenna

 

 

• Station not transmitting RDS data

• No remedy

 

 

 

 

20

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Contents T770 Important Safety Instructions Rear Panel Connections Front Panel Controls Page Figure a Page T770 RC NAD Rear Panel Connections AM Antenna FM AntennaAUX Input CD InputVideo Video 1, Video 2, Video 3, Video 4, Monitor OUT Audio PRE-OUTS13 .1 Channel Inputs Multi Source PRE-OUTAC Power Cord Connect the SpeakersCenter Speaker Surround SpeakersRemote Control Volume and Tone Functions Tone DefeatStandby Speakers A, BVolume PresetBass & Treble Controls TunerSurround Mode FM MUTE/MODESurround Functions Digital Audio SelectorMulti Source On Screen Display OSDSpeaker a Setup Surround SetupSpeaker B Setup Input Selector FIGSTORING, Recalling and Naming Presets To Store a Preset Recalling a Preset StationDeleting a Stored Preset Storing a Station NameMS Volume Multi Source Master VolumeMode Surround MuteSetting UP the Surround System Cassette Deck ControlSpeaker Selection Speaker DistanceLevel Calibration Troubleshooting Page London England
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T770 specifications

The NAD T770 is a versatile and powerful AV receiver designed to cater to the needs of modern home entertainment systems. Known for its exceptional audio quality and advanced technology, the T770 has garnered attention from audiophiles and home theater enthusiasts alike.

One of the standout features of the NAD T770 is its high-quality audio performance. It utilizes NAD's proprietary Hypex NCore amplifier technology, which ensures a clean and distortion-free output, delivering a remarkably accurate sound stage. This technology not only enhances the overall listening experience but also provides ample power to drive a wide range of speakers, making the T770 suitable for various configurations from stereo to multi-channel setups.

The T770 supports a multitude of audio formats, including Dolby Atmos and DTS:X, enabling immersive surround sound experiences that transport viewers right into the heart of their favorite movies and music. This level of support ensures that users can enjoy the latest cinematic technologies, enhancing not just movies but also video games and music.

On the connectivity front, the NAD T770 is equipped with multiple HDMI inputs, all supporting 4K video pass-through and HDCP 2.2 compliance, ensuring compatibility with the latest video sources. In addition to HDMI, it offers a range of options, including digital and analog audio inputs, as well as a built-in Bluetooth feature for seamless wireless audio streaming from compatible devices.

In terms of user experience, the NAD T770 comes with an intuitive on-screen interface that simplifies setup and adjustments. Users can easily navigate through various settings to customize their audio and video preferences, making it easy to create an optimal listening environment.

Moreover, the T770 features a robust room correction technology, which analyzes the specific acoustic properties of the room and automatically adjusts the speaker output for optimal performance. This adaptability is essential for users aiming to achieve the best sound in various environments.

Environmentally conscious consumers will appreciate the NAD T770's Energy Star certification, which signifies that it meets stringent energy efficiency guidelines while maintaining high performance.

In summary, the NAD T770 is more than just an AV receiver; it's a comprehensive home entertainment solution that combines cutting-edge technology with superior sound quality, offering users a rich audio experience tailored to their needs. Whether enjoying movies, music, or gaming, the T770 stands out as a reliable choice.
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