Owner's Manual

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.
• Mute function is activated. • Toggle [MUTE] button to deactivate Mute
function.
No sound from some channels. • Faulty/missing cables. • Check cables.
• “Speaker Conguration” channel (s) set to “OFF”. • Check “Speaker Conguration” menu.
No sound from surround channels. • No surround listening mode is engaged. • Select appropriate listening mode.
• Surround channels set to “OFF” on “Speaker
Conguration” menu.
• Correct “Speaker 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 subwoofer’s AC
outlet or check connections.
• Subwoofer set to “OFF” on “Speaker
Conguration” menu.
• Correct “Speaker Conguration” or “Speaker
Levels” settings.
• Subwoofer 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 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 748 digital input.
• Check connections.
• Source component not congured for
multichannel digital output.
• Check source component setup.
T 748 does not respond to remote
control commands.
• Batteries are at or incorrectly inserted. • Check batteries.
• Infrared receiver (IR) window of T 748 or IR
transmitter of the remote control is obstructed.
• Check IR windows and ensure clear line-of-sight
from remote to T 748.
• T 748 front panel is in very bright sunlight or
ambient light.
• Reduce sunlight/room lighting.
No RDS information. • Station signal too weak. • Check station tuning. Adjust or replace antenna.
• Station not transmitting RDS data. • Tune to an RDS station that supports program-
service name (PS mode) and radio-text mode
(RT).
Display shows “No Service List”. • DAB antenna not connected properly. • Check the connection and position of DAB
antenna.
• No DAB coverage in the area. • Call your local DAB broadcast providers for
coverage information.
REFERENCE
TROUBLESHOOTING
37
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