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 Configuration’ channel (s) set to
“OFF”.
• Check ‘Speaker Configuration’ menu.
• Power-amp connections faulty.
• Check power amplifier and cabling.
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 175 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 175 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 175 is obstructed.
• Check IR windows and ensure clear line-of-sight
from remote to T 175.
• T 175 front panel is in very bright sunlight or
ambient light.
• Reduce sunlight/room lighting.
T 175 does not respond to front panel
commands or remote control.
• Microprocessor error.
• Power-down the T 175 via the rear panel Power
switch and unplug it from the AC outlet.
• T 175 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 175 to its factory defaults.
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