NAD T 754 owner manual Troubleshooting, Condition Possible Causes Possible Solutionss

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TROUBLESHOOTING

CONDITION

 

POSSIBLE CAUSE(S)

 

POSSIBLE SOLUTIONS(S)

 

 

 

 

NO SOUND FROM ALL CHANNELS

AC power unplugged

• Check AC cable, connection, and outlet

 

Power not switched on

Disengage Tape Monitor

 

Outlet is unpowered

 

 

 

Tape Monitor is engaged

 

 

 

 

 

 

 

NO SOUND FROM SOME CHANNELS

Faulty/missing cables

Check cables

 

<Speaker Settings> channel (s) set to "None"

• Check <Speaker Settings> menu

 

Power-amp or speaker-connections faulty

Check power amp, cabling, and speakers

 

 

 

 

NO SOUND FROM SURROUND

No surround listening mode is engaged

• Select appropriate listening mode

CHANNELS

Surround-channels set to "None" on

• Correct <Speakers Settings> or

 

 

<Speaker Settings> menu

 

<Channel Levels> settings

 

Surround-channels level set too low on

 

 

 

 

<Channel Levels> menu

 

 

NO SOUND FROM SUBWOOFER

Subwoofer is off, unpowered,

 

 

or improperly connected

 

• Subwoofer set to "OFF" on

 

 

<Speaker Settings> menu

 

Sub level set too low on

 

 

<Channel Levels> menu

Power-up subwoofer, check sub's AC outlet, or check connections

Correct <Speakers Settings> or <Levels setup> settings

NO SOUND FROM CENTER CHANNEL

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

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

NO DOLBY DIGITAL/DTS

• Source's digital output is not connected to

Check connections

 

 

a T 754 digital input

• Check source component setup

 

• Source component not configured for multi

• Change Main/Zone DSP Decoding from

 

 

channel digital output

 

7.1/OFF to 5.1/2.0

 

 

 

 

 

T 754 DOES NOT RESPOND

Batteries are flat or incorrectly inserted

Check batteries

TO HTR 2 REMOTE

• IR transmitter window on remote, or

Check IR windows and ensure clear

 

 

IR receiver window on T 754 is obstructed

 

line-of-sight from remote to T 754

 

• T 754 front panel is in very bright sunlight

Reduce sunlight/room lighting

 

 

or ambient light

 

 

 

 

 

 

T 754 DOES NOT RESPOND

Microprocessor error

Power-down the T 754 via the front-panel

TO FRONT-PANEL COMMANDS

T 754 may have over heated

 

Power button and unplug it from the AC

 

 

 

 

outlet

 

 

 

• Wait five minutes, re-connect and

 

 

 

 

power up

OR REMOTE CONTROL

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

• Switch to OFF position

 

 

in position

 

 

 

 

 

 

 

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Contents 754 Safety Information Explanation of Graphical SymbolsDamage Requiring Service Electric PowerMaintenance Do not Attempt to Service the Unit Yourself OWNER’S RecordTable of Contents Using the HTR 2 Remote Control Troubleshooting SpecificationsGetting the Most from the NAD T WHAT’S in the BOX Unpacking and SetupConnecting AM Antenna Choosing a LocationEase of USE About the TR.S., Matrix and Digital Surround IntegrationAbout the HTR 2 System Remote Control UpgradabilityQuickstart Play a DVD MovieFront Panel SearchDigital Input Jack Rear Panel +12V Trigger IN/OUTRear Panel Setting UP the T Getting StartedDealing with HUM and Noise About the ON-SCREEN Displays OSD and FRONT-PANEL Readout Input SetupInput Settings Display the OSDSpeaker Setup Speaker SettingsListening Mode Setting Channel Balance CHANNEL-BALANCE Test SetupUsing AN SPL Meter Setting Speaker DistanceCreating Presets Recalling PresetsUsing the T Selecting Radio Presets Tuning StationsSetting Radio Presets Choosing the FM Mute / ModeDTS ES Matrix DTS ES Expanded Surround DTS ESDTS-ES Discrete DTS NEO 6 SurroundDolby PRO Logic II Movie Dolby PRO LogicDolby PRO Logic II Surround Dolby PRO Logic II MusicDisplaying the Signal Mode Selecting Listening ModesDTS Adjusting Listening Modes DTS NeoTo Adjust Channel Levels Surround Sound Channel ChartAdjusting Channel Levels on the FLY Adjusting the Tone ControlsControlling the T Using the HTR 2 Remote ControlSpecifications Learning Codes from Other RemotesPUNCH-THROUGH Copy a Command from Another KEYMacro Commands Recording MacrosDelete Mode KEY-ILLUMINATION TimeoutFactory Reset Loading CODE-LIBRARIESSummary of HTR 2 Modes Using the ZR 2 Remote ControlTrigger Setup Assigning the Trigger OutputTroubleshooting Condition Possible Causes Possible SolutionssAV Surround Sound Receiver SpecificationsPhysical Specifications Amplifier SectionNAD