Troubleshooting reference – NAD L 70 User Manual
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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;
•
“None”
•
Power-amp or speaker-connections faulty
•
Check cables
•
Check
•
Check power amp, cabling, and speakers
NO SOUND FROM SURROUND CHANNELS
•
No SURROUND MODE is engaged
•
Surround-channels set to “None” on
•
Surround-channels level set too low on
•
Select appropriate SURROUND MODE
•
Correct
NO SOUND FROM SUBWOOFER
•
Subwoofer is off, unpowered, or improperly
connected
•
Subwoofer set to “OFF” on
•
Sub level set too low on
•
Power-up subwoofer, check sub’s AC outlet, or
check connections
•
Correct
NO SOUND FROM CENTRE CHANNEL
•
Source is a 2/0 (etc.) Dolby Digital or DTS
recording without centre channel
•
Centre set to “OFF” on
•
Centre level set too low on
•
Play a known 5.1-channel recording or select
Dolby Pro Logic or Mono mode
•
Correct
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