NAD T 747 - Reference and Troubleshooting; Troubleshooting Common Issues

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.
No sound from some channels. • Faulty/missing cables. • Check cables.
• “Speaker Conguration” channel (s) set to
“O”.
• Check “Speaker Conguration” menu.
No sound from surround channels. • No surround listening mode is engaged. • Select appropriate listening mode.
• Surround-channels set to “O” on “Speaker
Conguration” menu.
• Correct “Speakers Conguration” or “Speaker
Levels” settings.
• Surround-channels level set too low on
“Speaker Levels” menu.
No sound from Subwoofer. • Subwoofer is o, not powered or improperly
connected.
• Power-up subwoofer, check Sub’s AC outlet
or check connections.
• Subwoofer set to “O” on “Speaker
Conguration” menu.
• Correct “Speaker Conguration” or “Speaker
Levels” settings.
• Sub level set too low on “Speaker Levels”
menu.
No sound from Center channel. • Source is a 2/0 (etc.). • Play a known 5.1-channel recording or select
Dolby Pro Logic IIx Music mode.
• Dolby Digital or DTS recording without center
channel; Center set to “O” on “Speaker
Conguration” menu.
• Correct “Speaker Conguration” 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 747 digital input.
• Check connections.
• Source component not congured for
multichannel digital output.
• Check source component setup.
T 747 does not respond to AVR 3 remote
control commands.
• Batteries are at or incorrectly inserted. • Check batteries.
• IR transmitter window on remote or IR A/V
Receiver window on T 747 is obstructed.
• Check IR windows and ensure clear line-of-
sight from remote to T 747.
• T 747 front panel is in very bright sunlight or
ambient light.
• Reduce sunlight/room lighting.
NOTE
Restoring your T 747 to its factory defaults: At FM mode, press and hold front panel’s LISTENING MODE button until the VFD shows “Factory Reset”.
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