NAD T 751751 ユーザーズマニュアル

NO SOUND

• Power AC lead unplugged or

power not switched on

• Tape Monitor selected
• Mute on

•

Check if AC lead is plugged in
and power switched on

•

De-select Tape Monitor mode

•

Switch off Mute

NO SOUND ON ONE CHANNEL

• Speaker not properly connected

or damaged.

• Input lead disconnected or

damaged

• In Setup “OFF” for surround

speaker selected

•

Check connections and
speakers 

•

Check leads and connections

•

Select appropriate Surround
mode (large or small)

NO SOUND ON SURROUND
CHANNELS

• No surround mode selected
• Mono sound source

• Speakers not properly connected

• Surround volume level too low

•

Select a Surround Mode

•

Test system with Stereo or
Dolby Surround material

•

Check speakers and
connections

•

Increase surround volume
level

NO SOUND ON CENTER
CHANNEL

• In Setup “OFF” for center speaker

selected

• Speaker not connected properly
• Center volume level set too low

•

Select appropriate Center
mode (large or small)

•

Check speaker and connection

•

Increase center volume level

“DOLBY DIGITAL” OR “DTS”
AUTO-DETECTION FUNCTION
DOES NOT WORK

• Source not connected using

digital inputs

•

Connect digital output of
source to T 751

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

• IR transmitter or receiver

windows obstructed

• IR receiver in direct sun or very

bright ambient light

•

Check or replace batteries

•

Remove obstruction

•

Place unit away from direct
sun, reduce amount of
ambient light

NO SOUND WITH TUNER

• Antenna leads incorrectly

connected

• Station not selected or weak

signal with FM Mute on.

•

Check antenna connections to
receiver

•

Re-tune or switch off FM Mute

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 station

•

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

NO RDS NAME (PS)

• Station signal too weak.

• Station not transmitting RDS data

•

Check station tuning. Adjust
or replace antenna

•

No remedy