NAD AV711 Manuel D'installation page 14

GB
TROUBLESHOOTING
SYMPTOM
No Sound
No Sound one Channel
No sound on surround channels
No sound on center channels
Weak bass/ diffuse stereo image
Test signal position does not
match test signal indicator lights
Remote control not working
Tuner noise
NAD
14
POSSIBLE CAUSE
Power AC lead unplugged or power not switched on. Check AC lead.
Tape Monitor on. De-select Tape Monitor mode.
Speakers not switched on. Press the Speakers switch to on.
Mute on. Switch off Mute.
Internal fuse blown. Consult dealer.
Balance control not centered. Center Balance control.
Speaker not properly connected or damaged. Check connections
and speakers.
Input or speakers leads disconnected or damaged. Check leads
and connections.
A surround mode has not be selected. Select Dolby Pro Logic or Hall modes .
Sound source is in Mono. Test system with known stereo or Dolby Surround
material.
Speakers not properly connected or damaged. Check speakers
and connections.
Surround level set too low. Increase surround level.
Phantom Center mode has been selected. Select Normal or Wide modes.
By-Pass mode has been selected. Select Dolby Pro Logic or Dolby 3 Stereo
modes.
Center level set too low. Increase center level.
Speakers wired out of phase. Check connections to all speakers
in the system.
Speakers connected to the wrong outputs. Check connections to all amplifier
and speaker channels.
Batteries flat or incorrectly inserted. Check or replace batteries.
IR transmitter or receiver window obstructed. Remove obstruction.
Hiss - Weak signal. Check station tuning. Adjust or replace antenna.
Distortion - Multipath signals. Check station tuning. Adjust or replace antenna.
Whistles or buzzes on FM & AM: Interference from other electrical sources -
computers, games consoles. Check station tuning. Switch off or move the
source of the electrical noise.
Whistles or buzzes on AM. Interference from fluorescent lighting or electrical
motors. Check station tuning. Adjust or replace AM antenna.