NAD L 70 owner manual Reference, Troubleshooting

Page 31

 

 

 

 

Reference

 

 

 

 

 

 

 

 

 

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 CONFIGURATION> channel(s) set to

Check <SPEAKER CONFIGURATION> menu

 

 

“None”

Check power amp, cabling, and speakers

 

Power-amp or speaker-connections faulty

 

 

 

 

 

 

 

NO SOUND FROM SURROUND CHANNELS

No SURROUND MODE is engaged

Select appropriate SURROUND MODE

 

Surround-channels set to “None” on <SPEAKER

Correct <SPEAKER CONFIGURATION> or <LEVEL

 

 

CONFIGURATION> menu

 

TRIM> settings

 

Surround-channels level set too low on <LEVEL

 

 

 

 

TRIM> menu

 

 

 

 

 

 

 

NO SOUND FROM SUBWOOFER

Subwoofer is off, unpowered, or improperly

Power-up subwoofer, check sub’s AC outlet, or

 

 

connected

 

check connections

 

Subwoofer set to “OFF” on <SPEAKER

Correct <SPEAKER CONFIGURATION> or <Levels

 

 

CONFIGURATION> menu

 

setup> settings

 

• Sub level set too low on <LEVEL TRIM> menu

 

 

 

 

 

 

 

NO SOUND FROM CENTRE CHANNEL

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

Play a known 5.1-channel recording or select

 

 

recording without centre channel

 

Dolby Pro Logic or Mono mode

 

Centre set to “OFF” on <SPEAKER

Correct <SPEAKER CONFIGURATION> or <LEVEL

 

 

CONFIGURATION> menu

 

TRIM> settings

 

• Centre level set too low on <LEVEL TRIM> menu

 

 

 

 

 

 

 

NO DOLBY DIGITAL/DTS

Source’s digital output is not connected to a L70

Check connections; check source component

 

 

digital input; source component not configured

 

setup

 

 

for multichannel digital output

 

 

 

 

 

 

 

L70 DOES NOT RESPOND TO HTR L70

Batteries are flat or incorrectly inserted

Check batteries

REMOTE

IR transmitter window on remote, or IR receiver

Check IR windows and ensure clear line-of-sight

 

 

window on L70 is obstructed

 

from remote to L70

 

L70 front panel is in very bright sunlight or

Reduce sunlight/room lighting

 

 

ambient light

 

 

 

 

 

 

 

L70 DOES NOT RESPOND TO FRONT-

Microprocessor error

Power-down the L70 via the front-panel Power

PANEL COMMANDS

L70 may have over-heated

 

key and unplug it from the AC outlet

 

 

 

• Wait five minutes, re-connect and power up

 

 

 

 

 

THE POWER IS ON, BUT THE DVD PLAYER

No disc is inserted.

Insert a disc (Check that the DVD or, audio CD

DOES NOT WORK

 

 

 

indicator in the display is lit)

 

 

 

 

 

NO PICTURE

The TV is not set to receive DVD signal

Select the appropriate video input mode on the

 

• The video cable is not connected securely

 

TV so that the picture from the DVD player

 

• The connected TV power is turned off

 

appears on the TV screen output.

 

 

 

• Connect the video cable into the jacks securely.

 

 

 

• Power on the TV

 

 

 

 

 

NO SOUND

The Digital Audio Output is set to the wrong

Set the Digital Audio Output to the correct

 

 

position

 

position

 

 

 

 

 

THE PLAYBACK PICTURE IS POOR

The disc is dirty

Clean the disc

 

 

 

 

 

THE DVD PLAYER DOES NOT START

No disc is inserted

Insert a disc (Check that the DVD, or audio CD

PLAYBACK

An unplayable disc is inserted

indicator in the DVD display is lit)

 

The disc is placed upside down.

Insert a playable disc (Check the disc type colour

 

• The disc is not placed within the guide

 

system and Regional code)

 

A menu is on the TV screen

Place the disc with the playback side down

 

The disc is dirty

Place the disc on the disc tray correctly inside the

 

 

 

 

guide

 

 

 

• Press SETUP to turn off the menu screen

 

 

 

Clean the disc

 

 

 

 

 

SVENSKA PORTUGUÊS ITALIANO ESPAÑOL NEDERLANDS DEUTSCH FRANÇAIS ENGLISH

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Image 31
Contents DVD Receiver Record Your Model Number NOW, While YOU can see IT Safety PrecautionsIntroduction This Product to Rain or MoistureTable of Contents Getting the Most from the NAD L70 Quickstart About the HTR L70 System Remote ControlEase of USE UpgradabilityFront Panel Identification of controlsJacks of the VCR Español Italiano Português Svenska Rear PanelImportant Note Dealing with HUM and Noise SetupSetting UP the L70 Getting StartedNavigating the OSD and Making Changes Setting L70 OSD Language Receiver Section onlyInput Setup Displaying the L70 RECEIVER’S OSDInput Selector Level Trim Test Setup Speaker ConfigurationSetting Speaker Configuration Surround ModeDelay Time Setting Level TrimSetting Speaker Delay Time Selecting Sources Using the L70Adjusting the Volume OperationRegion Management Information Using the L70’S DVD/VCD/CDPress OPEN/CLOSE the Disc Tray Opens About DVD/SVCD/VCD/CDTV Display Disc Language Settings OSDOSD Navigation Video OSDOSD Language PasswordDefaults System OSDUsing the L70’S AM/FM Radio About User Names Choosing the FM Mute / ModeAbout RDS Viewing RDS TextStereo About the L70’S Surround ModesEars Enhanced StereoSelecting Surround Modes Dolby Digital / DTSEnhanced Stereo / Ears Delay Time Adjusting Surround ModesDTS Delay Time Dolby Digital Delay TimeAbout the 12 V Trigger OUT Adjusting Level Trim on the FLYTo Adjust Level Trim Adjusting the Tone ControlsSpecifications Using the HTR L70 Remote ControlControlling the L70 PUNCH-THROUGH Cancel OperationLearning Codes from Other Remotes Example Learning VCR PauseRecording Macros Copy a Command from Another KEYMacro Commands KeyExecuting Macros KEY-ILLUMINATION TimeoutFactory Reset Delete ModeLoading CODE-LIBRARIES Search ModeChecking CODE-LIBRARY Number Mode Keys To Press for 3 secondsSummary of HTR L70 Modes Reference TroubleshootingTuner Section SpecificationsPhysical Specifications Amplifier SectionReference L70 Manual 03/05 China