NAD T742 owner manual Problem Cause Solution, No Sound

PROBLEM		CAUSE		SOLUTION
NO SOUND	•	Power AC lead unplugged or power not	• Check if AC lead is plugged in and power
		switched on		switched on
	•	Tape Monitor selected	• De-select Tape Monitor mode
	•	Mute on	•	Switch off Mute
NO SOUND ON ONE CHANNEL	•	Speaker not properly connected or damaged.	• Check connections and speakers
	• Input lead disconnected or damaged		• Check leads and connections
	• In Setup “OFF” for surround speaker selected		• Select appropriate Surround mode (large or
				small)
NO SOUND ON SURROUND CHANNELS	•	No surround mode selected	• Select a Surround Mode
	•	Mono sound source	• Test system with Stereo or Dolby Surround
	• Speakers not properly connected			material
			• Check speakers and connections
	• Surround volume level too low		• Increase surround volume level
NO SOUND ON CENTRE CHANNEL	•	In Setup “OFF” for centre speaker selected	• Select appropriate Centre mode (large or small)
	• Speaker not connected properly		• Check speaker and connection
	• Centre volume level set too low		• Increase centre volume level
“DOLBY DIGITAL” OR “DTS” AUTO-DETECTION	•	Source not connected using digital inputs	• Connect digital output of source to T742
FUNCTION DOES NOT WORK
WEAK BASS/ DIFFUSE STEREO IMAGE	•	Speakers wired out of phase	• Check connections to all speakers in the system
REMOTE CONTROL HANDSET NOT WORKING	•	Batteries flat, or incorrectly inserted	• Check or replace batteries
	• IR transmitter or receiver windows obstructed		•	Remove obstruction
	• IR receiver in direct sun or very bright ambient		• Place unit away from direct sun, reduce amount
		light		of ambient light
NO SOUND WITH TUNER	•	Antenna leads incorrectly connected	• Check antenna connections to receiver
	• Station not selected or weak signal with FM		• Re-tune or switch off FM Mute
		Mute on.
NOISE, HISS ON AM AND FM	•	Weak signal	• Check station tuning. Adjust or replace antenna.
DISTORTION ON FM	•	Multi-path signals or interference from another	• Check station tuning. Adjust or replace antenna
		station
WHISTLES OR BUZZES ON FM & AM	•	Interference from other electrical sources -	• Check station tuning. Switch off or move the
		computers, games consoles		source of the electrical noise
WHISTLES OR BUZZES ON AM	•	Interference from fluorescent lighting or	• Check station tuning. Adjust or replace AM
		electrical motors		antenna
NO RDS NAME (PS)	•	Station signal too weak.	• Check station tuning. Adjust or replace antenna
	• Station not transmitting RDS data		•	No remedy

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