CONDITION POSSIBLE CAUSES POSSIBLE SOLUTIONSNo 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 pressingthe corresponding front panel or HTR 3button.•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 ‘SpeakerConfiguration’ menu.• Correct ‘Speaker Configuration’ or ‘SpeakerLevels’ settings.•Surround-channels level set too low on‘Speaker Levels’ menu.•No sound from Subwoofer. Subwoofer is off, not powered or improperlyconnected.• Power-up subwoofer, check Sub’s AC outletor check connections.•Subwoofer set to “OFF” on ‘SpeakerConfiguration’ menu.• Correct ‘Speaker Configuration’ or ’SpeakerLevels’ settings.•Sub level set too low on ‘Speaker Levels’menu.•No sound from Center channel. Source is a 2/0 (etc.). Dolby Digital or DTSrecording without center channel.• Play a known 5.1-channel recording or selectDolby Pro Logic IIx Music mode.•Center set to “OFF” on ‘Speaker Configuration’menu.• Correct ‘Speaker Configuration’ or ‘SpeakerLevels’ settings.•Center level set too low on ‘Speaker Levels’menu.•No Dolby Digital/DTS. Source’s digital output is not connected to aT 765 digital input.• Check connections.•Source component not configured formultichannel digital output.• Check source component setup.•T 765 does not respond to HTR 3 remote. Batteries are flat or incorrectly inserted.• Check batteries.•IR transmitter window on remote or IR A/VReceiver window on T 765 is obstructed.• Check IR windows and ensure clear line-of-sightfrom remote to T 765.•T 765 front panel is in very bright sunlight orambient light.• Reduce sunlight/room lighting.•T 765 does not respond to front panelcommands or remote control.Microprocessor error.• Power-down the T 765 via the rear panelPower switch and unplug it from the ACoutlet.•T 765 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/MPFactory defaults for 230V version only : Press simultaneously Source + Front Input/MPAudyssey Setup settings along with other stored presets and settings will all be deleted upon restoring your T 765 to its factory defaults.REFERENCETROUBLESHOOTING45ENGLISH