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Troubleshooting reference – NAD L 70 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;

channel(s) set to
“None”

Power-amp or speaker-connections faulty

Check cables

Check menu

Check power amp, cabling, and speakers

NO SOUND FROM SURROUND CHANNELS

No SURROUND MODE is engaged

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

Surround-channels level set too low on TRIM> menu

Select appropriate SURROUND MODE

Correct or TRIM> settings

NO SOUND FROM SUBWOOFER

Subwoofer is off, unpowered, or improperly
connected

Subwoofer set to “OFF” on CONFIGURATION> menu

Sub level set too low on menu

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

Correct or 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 CONFIGURATION> menu

Centre level set too low on menu

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

Correct or 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

L70 IM english 13/3/05 4:34 pm Page 31