C350 manual - NAD

GB
8
TROUBLESHOOTING
Problem Cause Solution
NO SOUND • Power AC lead unplugged or power not
switched on
• Tape 1 Monitor selected
• Mute on
• Rear Pre-out/Main-in amp links not
fitted
• Headphones inserted
NO SOUND ONE CHANNEL • Balance control not centered
• Speaker not properly connected or
damaged.
• Input lead disconnected or damaged
• Check if AC lead is plugged in and
power switched on
• De-select Tape 1 Monitor mode
• Switch off Mute
• Fit links
• Disconnect headphones
• Center Balance control
• Check connections and speakers
• Check leads and connections
WEAK BASS/ DIFFUSE STEREO IMAGE • Speakers wired out of phase • Check connections to all speakers in
the system
REMOTE CONTROL HANDSET
NOT WORKING
POWER/PROTECTION LED STAYS RED
UPON TURNING POWER ON
POWER/PROTECTION LED TURNS RED
DURING OPERATION
• Batteries flat, or incorrectly inserted
• IR transmitter or receiver windows
obstructed
• IR receiver in direct sun or very bright
ambient light
• Loudspeakers cabling has a shortcircuit
• Amplifier has over-heated.
• Overall impedance of loudspeakers too
low
• Check or replace batteries
• Remove obstruction
• Place unit away from direct sun, reduce
amount of ambient light
• Turn amplifier off and check
loudspeaker cable connections for both
speakers at amplifier’s back panel and
loudspeakers. Turn amplifier on.
• Turn amplifier off. Make sure
ventilation slots on top and bottom of
amplifier aren’t blocked. After amplifier
has cooled down, turn back on.
• Ensure the overall loudspeaker
impedance isn’t below 4 ohms.