NAD T753 Скачать руководство пользователя страница 30

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TROUBLESHOOTING

CONDITION

NO SOUND FROM ALL CHANNELS

NO SOUND FROM SOME CHANNELS

NO SOUND FROM SURROUND
CHANNELS

NO SOUND FROM SUBWOOFER

NO SOUND FROM CENTER CHANNEL

NO DOLBY DIGITAL/DTS

T 753 DOES NOT RESPOND
TO HTR 2 REMOTE

T 753 DOES NOT RESPOND
TO FRONT-PANEL COMMANDS

OR REMOTE CONTROL

POSSIBLE CAUSE(S)

• AC power unplugged
• Power not switched on
• Outlet is unpowered
• Tape Monitor is engaged

• Faulty/missing cables
• <Speaker Settings> channel (s) set to "None"
• Power-amp or speaker-connections faulty

• No surround listening mode is engaged
• Surround-channels set to "None" on

<Speaker Settings> menu

• Surround-channels level set too low on

<Channel Levels> menu

• Subwoofer is off, unpowered,

or improperly connected

• Subwoofer set to "OFF" on

<Speaker Settings> menu

• Sub level set too low on

<Channel Levels> menu

• Source is a 2/0 (etc.) Dolby Digital or

DTS recording without center channel;

• Center set to "OFF" on

<Speaker Settings> menu

• Center level set too low on

<Channel Levels> menu

• Source's digital output is not connected to

a T 753 digital input

• Source component not configured for multi

channel digital output

• Batteries are flat or incorrectly inserted
• IR transmitter window on remote, or

IR receiver window on T 753 is obstructed

• T 753 front panel is in very bright sunlight

or ambient light

• Microprocessor error
• T 753 may have over heated

• 12V TRIGGER IN/OUT is set to AUTO or

in position

POSSIBLE SOLUTIONS(S)

• Check AC cable, connection, and outlet
• Disengage Tape Monitor

• Check cables
• Check <Speaker Settings> menu
• Check power amp, cabling, and speakers

• Select appropriate listening mode
• Correct <Speakers Settings> or

<Channel Levels> settings

• Power-up subwoofer, check sub's

AC outlet, or check connections

• Correct <Speakers Settings> or

<Levels setup> settings

• Play a known 5.1-channel recording or

select Dolby Pro Logic or Mono mode

• Correct <Speakers Settings> or

<Channel Levels> settings

• Change Main/Zone DSP Decoding from

7.1/OFF to 5.1/2.0

• Check connections
• Check source component setup
• Change Main/Zone DSP Decoding from

7.1/OFF to 5.1/2.0

• Check batteries
• Check IR windows and ensure clear

line-of-sight from remote to T 753

• Reduce sunlight/room lighting

• Power-down the T 753 via the front-panel

Power button

and unplug it from the AC

outlet

• Wait five minutes, re-connect and

power up

• Switch to OFF position

Содержание T753

Страница 1: ...Owner s Manual ENGLISH ...

Страница 2: ...from each side Do not place on a bed rug or similar surface that may block the ventilation openings Do not install the unit in a bookcase cabinet or airtight rack where ventilation may be impeded 5 Objects and liquid entry Take care that objects or liquids do not get inside the unit through the ventilation openings 6 Carts and stands When placed or mounted on a stand or cart the unit should be mov...

Страница 3: ... the blades of the plug 5 When not in use Unplug the AC power cord from the AC outlet if the unit will not be used for several months or more When the cord is plugged in a small amount of current continues to flow to the unit even when the power is turned off CAUTION CAUTION CAUTION CAUTION CAUTION Modifications or adjustments to this product which are not expressly approved by the manufacturer ma...

Страница 4: ... 14 14 14 14 14 Getting Started 14 Dealing With Hum and Noise 14 ABOUT THE ON SCREEN DISPLA ABOUT THE ON SCREEN DISPLA ABOUT THE ON SCREEN DISPLA ABOUT THE ON SCREEN DISPLA ABOUT THE ON SCREEN DISPLAYS OSD AND FRONT YS OSD AND FRONT YS OSD AND FRONT YS OSD AND FRONT YS OSD AND FRONT PANEL READOUT PANEL READOUT PANEL READOUT PANEL READOUT PANEL READOUT 15 15 15 15 15 Displaying the OSD 15 Navigatin...

Страница 5: ...s manual Investing a little time here at the outset might save you a good deal of time later and is by far the best way to ensure that you make the most of your investment in the NAD T 753 and get the most from this powerful and flexible home theater component One more thing We urge you to register your T 753 ownership on the NAD Worldwide Web site http NADelectronics com w Registration html For w...

Страница 6: ...viewing position this will ensure reliable infrared remote control communications The T 753 generates a modest amount of heat but nothing that should trouble adjacent components It is perfectly possible to stack the T 753 atop other components but the reverse usually should be avoided Nonetheless it is generally preferable that the T 753 stand alone It is especially important that sufficient venti...

Страница 7: ...l 6 1 7 1 channel environment from stereo and surround encoded recordings oftentimes with extraordinarily good results Dolby ProLogic II Music and DTS Neo 6 Music modes can also create enjoyable experience from 2 channel sources On the digital side the T 753 combines extraordinarily high speed DSP processing employing one of the most advanced high speed DSP engines available with fully 24 bit 96 k...

Страница 8: ...e Out Packed with your T 753 is the NAD HTR 2 remote control a full system remote especially designed to be easy to use and easy to understand Be sure to read the section Using the HTR 2 Remote Control to familiarize yourself with the remote s layout and operations before proceeding to setup your A V receiver Chances are you will want to use your HTR 2 as your primary way to command your entire A ...

Страница 9: ... well if you like If your system includes a powered subwoofer connect the T 753 s AUDIO PRE OUT SW1 2 or both jacks to its line inputs Press in the main power switch black pushbutton on the T 753 s rear panel this puts the T 753 into STANDBY mode and illuminates an amber LED to indicate it is ready to receive remote commands then use the HTR 2 s ON key to power up the receiver Be sure the TV monit...

Страница 10: ...urrent Listening Mode may employ center and surround speakers When the AM FM tuner is the selected input sequentially pressing DISPLAY shows the currently tuned station s RDS data toggling between the current station s Radio Text and Station Name displays see Listening to Radio below 6 MEMORY Use to store tuned stations to the T 753 s 40 preset memory locations see Listening to Radio below 7 PRESE...

Страница 11: ...emote s Surr Center and Sub keys provide direct access to those channels relative levels however in this case the level changes are only temporary and are not saved in memory 14 TONE DEFEAT Press to disable the tone controls press again to re enable them for instance to compare a tone setting to unmodified sound NOTE While TONE DEFEAT is engaged the TONE CONTROLS key will have no effect 15 TONE CO...

Страница 12: ...ranscodes S Video to composite video signals so that S Video signals connected to the DVD SAT VCR and VIDEO 4 6 inputs will be present at both the S Video and composite MONITOR OUT jacks when any of these inputs is selected This provides the convenience of requiring only a single video connection usually S Video between the T 753 and the TV monitor 4 CD Connect the analog stereo audio output from ...

Страница 13: ...und performance the T 753 speaker settings and levels must be set correctly via the receiver s setup routines see Setting Up the T 753 13 DVD SAT VCR VIDEO 4 VIDEO 5 These comprise the T 753 s principal inputs Connect S Video composite video and analog stereo audio from source components such as DVD players and HDTV satellite tuners see Input Setup below VCR and VIDEO 4 may be used with recording ...

Страница 14: ... Do not bundle analog audio cables with AC power cables or with coaxial digital audio cables It is best if they cross at right angles if they must be in close proximity Employ high quality well shielded audio cable throughout and ensure that all connections are secure A pencil eraser can be used to burnish copper and gold plated contacts to ensure good low resistance contact specialized contact cl...

Страница 15: ... SETTINGS From the main Setup menu select the Input settings menu item using the HTR 2 remote s and Enter keys Using the keys select the video input DVD SAT VCR VIDEO 1 6 you wish to configure Use the keys to move to the Audio In line and then use the keys to select the analog audio input you wish to be linked to that input usually this will be the same i e DVD with DVD Video 4 with Video 4 and so...

Страница 16: ...ns and adjust various parameters depending on the current Listening Mode For more information see About the T 753 s Listening Modes below NOTE Listening Mode is part of the T 753 s Preset system See Creating and Using Presets below NOTE The Listening Mode used the last time a given input was selected will be recalled the next time that input is selected unless overridden by a Dolby Digital or DTS ...

Страница 17: ...rs in turn to sound as loud as the reference Be sure that you remain in the primary listening position while balancing all channels Using the remote s and keys adjust each speaker to produce the same SPL meter reading or subjective loudness Note that All speakers must be in their final locations before level setting Your subwoofer if any should be set with its integral crossover defeated or if und...

Страница 18: ...l settings accessible from the main Setup menu including Tone Control settings To save a collection of settings to a Preset use the HTR 2 remote s keys to scroll to the to main Save to Preset item Use to scroll to the desired Preset s line 1 5 Stored will be flashing Now press the HTR 2 s Enter to store the Preset Stored will be stop flashing confirming that the Preset has been stored NOTE The sel...

Страница 19: ...an 20 dB the T 753 will power up to 20 dB This prevents inadvertently beginning a session at excessive volume MUTING THE SOUND MUTING THE SOUND MUTING THE SOUND MUTING THE SOUND MUTING THE SOUND Use the HTR 2 remote s Mute key to silence all channels completely Muting is always available regardless of source or listening mode selections Note that Cycling through Standby or powering off does releas...

Страница 20: ...o reception assuming that a multiplex stereo station of sufficient strength is tuned FM Mute eliminates noise from empty FM frequencies but also mutes very weak or distant stations it also causes the search function to skip them Toggling off the FM Mute will result in reduced noise if the FM station signal level is less than the FM Stereo threshold since mono FM is inherently less noise prone thou...

Страница 21: ...lly it is also possible to reproduce from a DTS 5 1 channel decoder signals recorded in DTS ES 6 1 When a DTS ES decoder processes decodes a discrete DTS ES 6 1 or in Matrix 6 1 these formats are automatically detected and the Optimum Surround mode is selected However some DTS ES Matrix 6 1 sources may be detected as DTS In this case the DTS ES Matrix mode should be selected manually in order to r...

Страница 22: ...tereo or surround encoded are reproduced with Dolby Pro Logic or ProLogic II surround processing yielding output to left center and right front channels and discrete left right surround channels assuming these are present in the current Speakers Setup PLII does not employ the surround back speakers if any NOTE ProLogic II is a more recent evolution of the original Dolby ProLogic surround processin...

Страница 23: ...by Digital and DTS recordings Dolby Digital EX creates six full bandwidth output channels from any 5 1 channel Dolby Digital recordings The very best results occur with movies or other programs bearing the Dolby Digital Surround EX mark which are produced to take full advantage of this playback mode The table below indicates which listening modes are available with the two types of audio signal so...

Страница 24: ... to 3 Adjusts front rear emphasis of the surround effect independently from the relative channel levels CENTER WIDTH 0 to 7 Modifies the hard centeredness of the center image by gradually mixing mono center content to the front left right speakers as well a setting of 0 retains the center channel only default while a setting of 7 yields a fully phantom center channel PANORAMA ON OFF Adds a wraparo...

Страница 25: ...ough Standby Channel Levels are part of the T 753 s Preset system See Creating and Using Presets below Level settings are added subtracted to the setup levels established by the T 753 level calibration routine invoked by the HTR 2 Test key However selecting any Preset will revert channel levels to those stored in the preset ADJUSTING THE TONE CONTROLS ADJUSTING THE TONE CONTROLS ADJUSTING THE TONE...

Страница 26: ...ur equipment regardless of brand to the HTR 2 However the HTR 2 is already preprogrammed to operate the T 753 All of the function keys on the AMP Device Selector page perform T 753 functions The HTR 2 can also command many other NAD compo nents from its DVD CD TUNER and TAPE pages It is important to note that certain HTR 2 keys perform different functions depending on the selected Device Selector ...

Страница 27: ...ess You might use a macro to automate a simple command sequence such as Turn on the DVD player and then press play Or you might compose an elaborate macro to power up an entire system select a source choose a Listening Mode and begin playback again all from a single keypress The HTR 2 can store one macro on each of its function keys these exclude the Device Selector keys NOTE Macros are independen...

Страница 28: ...e deleted so you need not worry that using Delete Mode might cause irreparable changes To enter Delete Mode simultaneously press and hold for 3 seconds both the desired key s Device Selector key and the RTN key until the Learn LED turns green Press the function key whose command you wish to delete the Learn LED flashes the number of times indicates which type of function has become active see the ...

Страница 29: ...library 501 the HTR 2 will flash TAPE 5 times pause and then flash MACRO once You might wish to make a note of your components code library numbers SUMMARY OF HTR 2 MODES SUMMARY OF HTR 2 MODES SUMMARY OF HTR 2 MODES SUMMARY OF HTR 2 MODES SUMMARY OF HTR 2 MODES Mode Keys To Press for 3 seconds Learn Copy Punch Through Device Key Record Key Delete Mode Device Key Return Key Macro Record Macro Key ...

Страница 30: ...put Source component not configured for multi channel digital output Batteries are flat or incorrectly inserted IR transmitter window on remote or IR receiver window on T 753 is obstructed T 753 front panel is in very bright sunlight or ambient light Microprocessor error T 753 may have over heated 12V TRIGGER IN OUT is set to AUTO or in position POSSIBLE SOLUTIONS S POSSIBLE SOLUTIONS S POSSIBLE S...

Страница 31: ...pedance 400mV 50k ohms Frequency response 5 to 20 000 Hz 0 8dB Signal noise ratio ref rated power 8 ohms A WTD 90dB Signal noise ratio ref 1W 8 ohms A WTD 80dB Remote Control HTR 2 ZR 2 Tuner Section Input sensitivity Mono 16 1dBf 50dB Stereo 36 1dBf Harmonic Distortion FM Mono 0 25 Harmonic Distortion FM Stereo 0 5 Signal noise Mono 60dB Signal noise Stereo 55dB Stereo separation at 1kHz 40dB Fre...

Страница 32: ...national 2003 NAD Electronics International 2003 NAD Electronics International 2003 NAD Electronics International A Division of Lenbrook Industries LTD All rights reserved No part of this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics International A Division of Lenbrook Industries LTD T 753 Manual GB 10 03 China ...

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