Troubleshooting reference – NAD L70 User Manual

Page 31

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31

TROUBLESHOOTING

Reference

ENGLISH

FRANÇAIS

DEUTSCH

NEDERLANDS

ESP

AÑOL

IT

ALIANO

POR

TUGUÊS

SVENSKA

CONDITION

POSSIBLE CAUSE(S)

POSSIBLE SOLUTIONS(S)

NO SOUND FROM ALL CHANNELS

•

AC power unplugged

•

Power not switched on

•

Outlet is unpowered

•

Tape Monitor is engaged

•

Check AC cable, connection, and outlet

•

Disengage Tape Monitor

NO SOUND FROM SOME CHANNELS

•

Faulty/missing cables;

•

<SPEAKER CONFIGURATION> channel(s) set to
“None”

•

Power-amp or speaker-connections faulty

•

Check cables

•

Check <SPEAKER CONFIGURATION> menu

•

Check power amp, cabling, and speakers

NO SOUND FROM SURROUND CHANNELS

•

No SURROUND MODE is engaged

•

Surround-channels set to “None” on <SPEAKER
CONFIGURATION> menu

•

Surround-channels level set too low on <LEVEL
TRIM> menu

•

Select appropriate SURROUND MODE

•

Correct <SPEAKER CONFIGURATION> or <LEVEL
TRIM> settings

NO SOUND FROM SUBWOOFER

•

Subwoofer is off, unpowered, or improperly
connected

•

Subwoofer set to “OFF” on <SPEAKER
CONFIGURATION> menu

•

Sub level set too low on <LEVEL TRIM> menu

•

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

•

Correct <SPEAKER CONFIGURATION> or <Levels
setup> settings

NO SOUND FROM CENTRE CHANNEL

•

Source is a 2/0 (etc.) Dolby Digital or DTS
recording without centre channel

•

Centre set to “OFF” on <SPEAKER
CONFIGURATION> menu

•

Centre level set too low on <LEVEL TRIM> menu

•

Play a known 5.1-channel recording or select
Dolby Pro Logic or Mono mode

•

Correct <SPEAKER CONFIGURATION> or <LEVEL
TRIM> settings

NO DOLBY DIGITAL/DTS

•

Source’s digital output is not connected to a L70
digital input; source component not configured
for multichannel digital output

•

Check connections; check source component
setup

L70 DOES NOT RESPOND TO HTR L70
REMOTE

•

Batteries are flat or incorrectly inserted

•

IR transmitter window on remote, or IR receiver
window on L70 is obstructed

•

L70 front panel is in very bright sunlight or
ambient light

•

Check batteries

•

Check IR windows and ensure clear line-of-sight
from remote to L70

•

Reduce sunlight/room lighting

L70 DOES NOT RESPOND TO FRONT-
PANEL COMMANDS

•

Microprocessor error

•

L70 may have over-heated

•

Power-down the L70 via the front-panel Power
key and unplug it from the AC outlet

•

Wait five minutes, re-connect and power up

THE POWER IS ON, BUT THE DVD PLAYER
DOES NOT WORK

•

No disc is inserted.

•

Insert a disc (Check that the DVD or, audio CD
indicator in the display is lit)

NO PICTURE

•

The TV is not set to receive DVD signal

•

The video cable is not connected securely

•

The connected TV power is turned off

•

Select the appropriate video input mode on the
TV so that the picture from the DVD player
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
position

•

Set the Digital Audio Output to the correct
position

THE PLAYBACK PICTURE IS POOR

•

The disc is dirty

•

Clean the disc

THE DVD PLAYER DOES NOT START
PLAYBACK

•

No disc is inserted

•

An unplayable disc is inserted

•

The disc is placed upside down.

•

The disc is not placed within the guide

•

A menu is on the TV screen

•

The disc is dirty

•

Insert a disc (Check that the DVD, or audio CD
indicator in the DVD display is lit)

•

Insert a playable disc (Check the disc type colour
system and Regional code)

•

Place the disc with the playback side down

•

Place the disc on the disc tray correctly inside the
guide

•

Press SETUP to turn off the menu screen

•

Clean the disc

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