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GB

20

TROUBLESHOOTING

NO SOUND

• Power AC lead unplugged or power not

switched on

• Tape 2 Monitor selected
• Mute on
• Speakers not switched on

• Check if AC lead is plugged in and

power switched on

• De-select Tape 2 Monitor mode
• Switch off Mute
• Switch Speakers on

Problem

Cause

Solution

NO SOUND ONE CHANNEL

• Speaker not properly connected or

damaged

• Input lead disconnected or damaged

• Check connections and speakers

• Check leads and connections

NO SOUND ON SURROUND CHANNELS

• No surround mode selected
• Mono sound source

• Speakers not properly connected
• Surround volume level too low

• Select a Surround Mode
• Test system with Stereo or Dolby

Surround material

• Check speakers and connections
• Increase surround volume level

NO SOUND ON CENTER CHANNEL

• In Setup “NONE” for center speaker

selected

• By-Pass mode selected
• Speaker not connected properly
• Center volume level set too low

• Select appropriate Center mode (large

or small)

• Select Surround Mode
• Check Speaker and connection
• Increase center volume level

NO SOUND IN ‘SURROUND OFF’ WITH
DIGITAL INPUT

• Analogue connections from source not

connected to T770

• Connect analogue connections from

digital source as well

NOT POSSBILE TO SELECT “DOLBY DIGITAL”

• Source not connected using digital

in/outputs

• Digital input has not been assigned to

selected input

• Connect digital output of source to T770

• Assign the digital input used to selected

input

WEAK BASS/ DIFFUSE STEREO IMAGE

• Speakers wired out of phase

• Check connections to all speakers in

the system

REMOTE CONTROL HANDSET NOT
WORKING

• Batteries flat, or incorrectly inserted
• IR transmitter or receiver windows

obstructed

• IR receiver in direct sun or very bright

ambient light

• Check or replace batteries
• Remove obstruction

• Place unit away from direct sun, reduce

amount of ambient light

NO SOUND WITH TUNER

• Antenna leads incorrectly connected
• Station not selected or weak signal with

FM Mute on

• Check antenna connections to receiver
• Re-tune or switch off FM Mute

NOISE, HISS ON AM AND FM

• Weak signal

• Check station tuning. Adjust or replace

antenna

DISTORTION ON FM

• Multi-path signals or interference from

another station

• Check station tuning. Adjust or replace

antenna

WHISTLES OR BUZZES ON FM & AM

• Interference from other electrical

sources - computers, games consoles

• Check station tuning. Switch off or

move the source of the electrical noise

WHISTLES OR BUZZES ON AM

• Interference from fluorescent lighting

or electrical motors

• Check station tuning. Adjust or replace

AM antenna

NO RDS NAME (PS)

• Station signal too weak

• Station not transmitting RDS data

• Check station tuning. Adjust or replace

antenna

• No remedy

Содержание T770

Страница 1: ...T770 Surround Sound Receiver Owner s Manual GB ...

Страница 2: ...e operating condition REPLACEMENT WITH UNAUTHORIZED PARTS MAY RESULT IN FIRE ELECTRIC SHOCK OR OTHER HAZARDS ATTENTION POUR ÉVITER LES CHOC ELECTRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT If an indoor antenna is used either built into the s...

Страница 3: ...3 FRONT PANEL CONTROLS REAR PANEL CONNECTIONS ...

Страница 4: ...4 ...

Страница 5: ...5 FIGURE B FIGURE A ...

Страница 6: ...6 FIGURE 1 FIGURE 2 FIGURE 3 FIGURE 4 ...

Страница 7: ...7 1 5 6 9 13 14 2 3 4 7 8 11 10 12 15 16 FIGURE 5 T770 RC NAD 1998 ...

Страница 8: ...reas of poor FM reception the tuner section s performance can be improved by using an externally mounted FM antenna A qualified aerial installer will be able to advise and fit a recommended aerial for your reception conditions 3 AUX INPUT Input for audio components Use a twin RCA to RCA lead to connect the audio component left and right Audio Outputs to this input 4 CD INPUT Input for CD player an...

Страница 9: ...se therefore to also connect the analogue outputs of your CD DVD and Laser Disc player if these are already connected to any of the digital inputs 15 AUDIO PRE OUTS The NAD T770 receiver has five power amplifiers built in to power all the speakers connected to it Left Right Center Left Surround Right Surround It is also possible to use the T770 as a pre amplifier to drive external power amplifiers...

Страница 10: ...daisy chained IN to OUT so that a whole system can be controlled from the remote control facilities of one unit 23 AC POWER CORD After you have completed all connections to the amplifier plug the AC line cord into a live wall socket 24 AC OUTLETS 120V North American versions only The AC power cords of other units in the audio system can be connected directly to the T770 s AC outlets If another ste...

Страница 11: ...ttons select the active input to the T770 and the signal sent to the loudspeakers Tape 1 2 Video 1 2 and TV monitor outputs The name of the Input and Surround Mode will be shown in the Display Panel VIDEO 1 VIDEO 2 Selects the VCR connected to VIDEO 1 or VIDEO 2 as the active input VIDEO 1 or VIDEO 2 is shown in the Display Panel when selected VIDEO 3 VIDEO 4 Selects the signal from stereo TV Sate...

Страница 12: ... tuning to a station and selecting to view RT the display will indicate WAIT and default to the station name c Press the button from the display RT mode to display the station frequency Press again to return to the default mode a When tuned to a non RDS station The PS RT button toggles the display to show either the station frequency or user entered station name If no user name was entered the dis...

Страница 13: ...sponding analogue audio input To assign a Digital Audio input to a specific Input Selector button Press the desired input button except AM FM Tape 2 Monitor and EXT 5 1 CH Press the Digital Audio Selector button The DIGITAL AUDIO box will light up in the display with the first available digital input Press the Digital Audio Selector button again to until the desired digital input lights up either ...

Страница 14: ...utton No 6 on the remote control Upon adjusting the Multi Source level the display will indicate MULTI and the corresponding level setting ranging from 78 to 0 dB NOTES As it is possible to use the Multi Source facility independent from the main listening room an extra remote control handset can be useful Your NAD dealer can advise you regarding the availability With the Multi Source facility in u...

Страница 15: ... Bank and Preset selection Fig 9 SURROUND SETUP FIG 10 11 In the Surround Setup menu the desired Surround Mode can be selected With a Dolby Digital source you can choose between Dolby Digital Surround mode or Surround mode off Fig 10 With Dolby Digital selected you can also select Late Night on or off and LFE Level Atten at 0dB or 10dB Fig 11 Refer also to chapter Setting up the Surround Sound Sys...

Страница 16: ...ls when its Preset is used Although the receiver automatically shows the frequency of any other AM or non RDS Preset station it also allows you to type in the station name to make it easier to identify which station is stored in the Memory Preset To enter a name Select the Preset you want to attach a name to Then press Character No 11 and the first space in the Station Data area of the Display Pan...

Страница 17: ...erial it may sometimes be desirable to reduce the extremes between soft and loud passages when playing at low volume settings to retain intelligibility Press the Late Night button to engage press again to disengage When switched on the display will indicate LATE NIGHT 11 MODE SURROUND The Mode button scrolls through the available surround sound modes This button functions in the same way as the ri...

Страница 18: ...ng the sound spread across three front speakers also stabilises the stereo image making the usable listening area much bigger For best results you should consider using a center speaker Ideally it should be the same type as the left and right speakers although there are now many new speakers such as the NAD 808CC which are specifically designed as center channel add ons for existing stereo systems...

Страница 19: ...0dB and to match the other speakers to it Normally if the Right speaker is located at the same distance from the listening position to the Left speaker it should be set at the same level as the Left speaker The Level for each speaker can be adjusted in 1dB increments Continue to calibrate the level for each speaker until for equal loudness is achieved at your listening position A more accurate adj...

Страница 20: ...not connected using digital in outputs Digital input has not been assigned to selected input Connect digital output of source to T770 Assign the digital input used to selected input WEAK BASS DIFFUSE STEREO IMAGE Speakers wired out of phase Check connections to all speakers in the system REMOTE CONTROL HANDSET NOT WORKING Batteries flat or incorrectly inserted IR transmitter or receiver windows ob...

Страница 21: ...GB 21 ...

Страница 22: ... LTD LONDON ENGLAND All rights reserved No part of this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics Limited T770 Manual GB I P S 07 98 Printed in Malaysia SN29342662 ...

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