REFERENCE
TROUBLESHOOTING
CONDITION
No sound from all channels.
No sound from some channels.
No sound from surround channels.
No sound from Subwoofer.
No sound from Center channel.
No Dolby Digital/ DTS.
T 737 does not respond to AVR 3 remote
control commands.
NOTE
Restoring your T 737 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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POSSIBLE CAUSES
• AC power unplugged.
• Power not switched on.
• Outlet has no power.
• Faulty/missing cables.
• "Speaker Configuration" channel (s) set to
"Off".
• No surround / listening mode is engaged.
• Surround-channels set to "Off" on "Speaker
Configuration" menu.
• Surround-channels level set too low on
"Speaker Levels" menu.
• Subwoofer is off, not powered or improperly
connected.
• Subwoofer set to "Off" on "Speaker
Configuration" menu.
• Sub level set too low on "Speaker Levels"
menu.
• Source is a 2/0 (etc.).
• Dolby Digital or DTS recording without center
channel; Center set to "Off" on "Speaker
Configuration" menu.
• Center level set too low on "Speaker Levels"
menu.
• Source's digital output is not connected to a
T 737 digital input.
• Source component not configured for
multichannel digital output.
• Batteries are flat or incorrectly inserted.
• IR transmitter window on remote or IR A/V
Receiver window on T 737 is obstructed.
• T 737 front panel is in very bright sunlight or
ambient light.
POSSIBLE SOLUTIONS
• Check AC cable connection and outlet.
• Check cables.
• Check "Speaker Configuration" menu.
• Select appropriate listening mode.
• Correct "Speaker Configuration" or "Speaker
Levels" settings.
• Power-up subwoofer, check Sub's AC outlet
or check connections.
• Correct "Speaker Configuration" or "Speaker
Levels" settings.
• Play a known 5.1-channel recording or select
Dolby Pro Logic IIx Music mode.
• Correct "Speaker Configuration" or "Speaker
Levels" settings.
• Check connections.
• Check source component setup.
• Check batteries.
• Check IR windows and ensure clear line-of-
sight from remote to T 737.
• Reduce sunlight/room lighting.