NAD 917 - Troubleshooting

TROUBLESHOOTING
NO SOUND
Power
AC
lead
unplugged
or
power
not
switched
on.
Check
AC
lead.
Monitor
1
or
2
selected.
;
De-select
Monitor
mode.
Power
amplifiers
not
switched
on
or
disconnected.
Check
power
amplifiers.
Mute
on.
Switch
off
Mute.
Internal
fuse
blown.
.
Consult
dealer.
NO SOUND ONE CHANNEL
Balance control not centered.
Speaker
not
properly
connected
or
damaged.
Input
leads
or
leads
to
Power
amp
disconnected
or
damaged.
DOLBY
PRO
LOGIC
AND
SOUND
SPACE
MODES
INOPERATIVE
Monitor
1
or
Monitor
2
selected.
NO
SOUND
ON
SURROUND
CHANNELS
A
surround
mode
has
not
be
selected.
MONO
button
switched
on.
Sound source is in Mono.
Speakers not properly connected or damaged.
Surround
power
amplifiers
not
switched
on
or
disconnected.
Rear panel Dolby switch set to 3CH.
WEAK BASS/ DIFFUSE STEREO IMAGE
Speakers wired out of phase.
TEST
SIGNAL
POSITION
DOES
NOT
MATCH
TEST
SIGNAL
INDICATOR
LIGHTS.
Power
amplifier
or
speakers
connected
to
the
wrong
outputs.
REMOTE CONTROL NOT WORKING
Batteries flat, or incorrectly inserted.
IR transmitter or receiver windows obstructed.
TUNER NOISE
Hiss - Weak signal.
Distortion - Multipath signals.
Whistles
or
buzzes
on
FM
&
AM:
Interference
from
other
electrical
sources
-
computers,
games
consoles.
Whistles
or
buzzes
on
AM:
Interference
from
fluorescent
lighting
or
electrical
motors.
Center Balance control.
Check connections and speakers.
Check leads and connections.
Deselect Monitor.
Select Dolby Pro Logic or Sound Space modes.
Switch 917 to STEREO
Test system with known stereo or Dolby Surround
material.
Check speakers and connections.
Check power amplifiers and connections.
Switch to 4CH.
Check
connections
to
all
speakers
in
the
system
Check connections to all amplifier and speaker
channels.
Check or replace batteries.
Remove obstruction.
Check signal strength meter. 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.