Troubleshooting - NAD C440 Owner's Manual

Problem
NO SOUND
NO SOUND IN ONE CHANNEL
NOISE, HISS
DISTORTION
WHISTLES OR BUZZES ON FM & AM
WHISTLES OR BUZZES ON AM
NO RDS INFORMATION

TROUBLESHOOTING

Cause
• Power AC lead unplugged or power not
switched on
• Signal leads incorrectly connected
• Station not selected or weak signal with
FM Mute on.
• Internal fuse blown
• Signal leads to amplifier disconnected
or damaged
• Weak signal
• Multi-path signals or interference from
another station
• Interference from other electrical
sources - computers, games consoles
• Interference from fluorescent lighting
or electrical motors
• Station signal too weak.
• Station not transmitting RDS data
Solution
• Check AC lead
• Check connections to amplifier
• Re-tune or switch off FM Mute
• Consult dealer
• Check leads and connections
• Check station tuning. Adjust or replace
antenna.
• Check station tuning. Adjust or replace
antenna
• Check station tuning. Switch off or
move the source of the electrical noise
• Check station tuning. Adjust or replace
AM antenna
• Check station tuning. Adjust or replace
antenna
• No remedy
GB
7