NAD T785 Owner's Manual - page 49
REFERENCE
TROUBLESHOOTING
CONDITION
POSSIBLE CAUSES
POSSIBLE SOLUTIONS
No sound from all channels.
AC power unplugged.
•
Check AC cable connection and outlet.
•
Power not switched on.
•
Outlet has no power.
•
Speaker A (or Speaker B) is not activated.
•
Activate Speaker A (or Speaker B) by pressing
the corresponding front panel or HTRC 1
button.
•
No sound from some channels.
Faulty/missing cables.
•
Check cables.
•
’Speaker Configuration’ channel (s) set to
“OFF”.
•
Check ‘Speaker Configuration’ menu.
•
Power-amp or speaker-connections faulty.
•
Check power amp, cabling, and speakers.
•
No sound from surround channels.
No surround listening mode is engaged.
•
Select appropriate listening mode.
•
Surround-channels set to “OFF” on ‘Speaker
Configuration’ menu.
•
Correct ‘Speaker Configuration’ or ‘Speaker
Levels’ settings.
•
Surround-channels level set too low on
‘Speaker Levels’ menu.
•
No sound from Subwoofer.
Subwoofer is off, not powered or improperly
connected.
•
Power-up subwoofer, check Sub’s AC outlet
or check connections.
•
Subwoofer set to “OFF” on ‘Speaker
Configuration’ menu.
•
Correct ‘Speaker Configuration’ or ’Speaker
Levels’ settings.
•
Sub level set too low on ‘Speaker Levels’
menu.
•
No sound from Center channel.
Source is a 2/0 (etc.). Dolby Digital or DTS
recording without center channel.
•
Play a known 5.1-channel recording or select
Dolby Pro Logic IIx Music mode.
•
Center set to “OFF” on ‘Speaker Configuration’
menu.
•
Correct ‘Speaker Configuration’ or ‘Speaker
Levels’ settings.
•
Center level set too low on ‘Speaker Levels’
menu.
•
No Dolby Digital/DTS.
Source’s digital output is not connected to a
T 785 digital input.
•
Check connections.
•
Source component not configured for
multichannel digital output.
•
Check source component setup.
•
No video display.
Resolution setting is not supported by the
TV/Monitor.
•
To restore video display, press and hold both
front panel buttons LISTENING MODE and
TONE DEFEAT and then release both buttons.
•
T 785 does not respond to HTRC 1 remote.
Batteries are flat or incorrectly inserted.
•
Check batteries.
•
IR transmitter window on remote or IR A/V
Receiver window on T 785 is obstructed.
•
Check IR windows and ensure clear line-of-sight
from remote to T 785.
•
T 785 front panel is in very bright sunlight or
ambient light.
•
Reduce sunlight/room lighting.
•
T 785 does not respond to front panel
commands or remote control.
Microprocessor error.
•
Power-down the T 785 via the rear panel Power
switch and unplug it from the AC outlet.
•
T 785 may have over heated.
•
Wait five minutes, re-connect and power up.
•
12V TRIGGER IN/OUT is set to AUTO position.
•
Switch 12V TRIGGER IN/OUT to OFF position.
•
Factory defaults for 120V version only : Press simultaneously Source + Front Input/MP
Factory defaults for 230V version only : Press simultaneously Source + Front Input/MP
Audyssey Auto Calibration settings along with other stored presets and settings will all be deleted upon restoring your T 785 to its factory defaults.
49
ENGLISH