NAD T 751751 owner manual Troubleshooting, Problem Cause Solution

GB

TROUBLESHOOTING

PROBLEM		CAUSE		SOLUTION
NO SOUND	• Power AC lead unplugged or		• Check if AC lead is plugged in
		power not switched on		and power switched on
	•	Tape Monitor selected	•	De-select Tape Monitor mode
	•	Mute on	•	Switch off Mute
NO SOUND ON ONE CHANNEL	• Speaker not properly connected		•	Check connections and
		or damaged.		speakers
	•	Input lead disconnected or	• Check leads and connections
		damaged	•	Select appropriate Surround
	•	In Setup “OFF” for surround		mode (large or small)
		speaker selected
NO SOUND ON SURROUND	• No surround mode selected		•	Select a Surround Mode
CHANNELS	• Mono sound source		• Test system with Stereo or
				Dolby Surround material
	•	Speakers not properly connected	•	Check speakers and
				connections
	•	Surround volume level too low	•	Increase surround volume
				level
NO SOUND ON CENTER	• In Setup “OFF” for center speaker		•	Select appropriate Center
CHANNEL		selected		mode (large or small)
	•	Speaker not connected properly	•	Check speaker and connection
	•	Center volume level set too low	• Increase center volume level
“DOLBY DIGITAL” OR “DTS”	• Source not connected using		• Connect digital output of
AUTO-DETECTION FUNCTION		digital inputs		source to T 751
DOES NOT WORK
WEAK BASS/ DIFFUSE	• Speakers wired out of phase		• Check connections to all
STEREO IMAGE				speakers in the system
REMOTE CONTROL HANDSET	•	Batteries flat, or incorrectly	• Check or replace batteries
NOT WORKING		inserted
	•	IR transmitter or receiver	•	Remove obstruction
		windows obstructed
	•	IR receiver in direct sun or very	• Place unit away from direct
		bright ambient light		sun, reduce amount of
				ambient light
NO SOUND WITH TUNER	• Antenna leads incorrectly		• Check antenna connections to
		connected		receiver
	•	Station not selected or weak	• Re-tune or switch off FM Mute
		signal with FM 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	• Check station tuning. Adjust
		from another station		or replace antenna
WHISTLES OR BUZZES ON	•	Interference from other electrical	• Check station tuning. Switch
FM & AM		sources - computers, games		off or move the source of the
		consoles		electrical noise
WHISTLES OR BUZZES ON	•	Interference from fluorescent	• Check station tuning. Adjust
AM		lighting or electrical motors		or replace AM antenna
NO RDS NAME (PS)	•	Station signal too weak.	• Check station tuning. Adjust
				or replace antenna
	•	Station not transmitting RDS data	•	No remedy

NAD

22