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| TROUBLESHOOTING |
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| Problem | Cause | Solution |
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| NO SOUND | • Power AC lead unplugged or power not | • Check if AC lead is plugged in and |
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| switched on | power switched on |
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| • Tape 2 Monitor selected | • |
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| • Mute on | • Switch off Mute |
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| • Speakers not switched on | • Switch Speakers on |
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| NO SOUND ONE CHANNEL | • Speaker not properly connected or | • Check connections and speakers |
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| damaged |
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| • Input lead disconnected or damaged | • Check leads and connections |
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| NO SOUND ON SURROUND CHANNELS | • No surround mode selected | • Select a Surround Mode |
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| • Mono sound source | • Test system with Stereo or Dolby |
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| Surround material |
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| • Speakers not properly connected | • Check speakers and connections |
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| • Surround volume level too low | • Increase surround volume level |
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| NO SOUND ON CENTER CHANNEL | • In Setup “NONE” for center speaker | • Select appropriate Center mode (large |
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| selected | or small) |
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| • | • Select Surround Mode |
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| • Speaker not connected properly | • Check Speaker and connection |
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| • Center volume level set too low | • Increase center volume level |
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| NO SOUND IN ‘SURROUND OFF’ WITH | • Analogue connections from source not | • Connect analogue connections from |
| DIGITAL INPUT | connected to T770 | digital source as well |
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| NOT POSSBILE TO SELECT “DOLBY DIGITAL” | • Source not connected using digital | • Connect digital output of source to T770 |
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| in/outputs |
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| • Digital input has not been assigned to | • Assign the digital input used to selected |
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| selected input | input |
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| WEAK BASS/ DIFFUSE STEREO IMAGE | • Speakers wired out of phase | • Check connections to all speakers in |
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| the system |
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| REMOTE CONTROL HANDSET NOT | • Batteries flat, or incorrectly inserted | • Check or replace batteries |
| WORKING | • IR transmitter or receiver windows | • Remove obstruction |
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| obstructed |
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| • IR receiver in direct sun or very bright | • Place unit away from direct sun, reduce |
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| ambient light | amount of ambient light |
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| NO SOUND WITH TUNER | • Antenna leads incorrectly connected | • Check antenna connections to receiver |
GB |
| • Station not selected or weak signal with | • |
| FM Mute on |
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NOISE, HISS ON AM AND FM | • Weak signal | • Check station tuning. Adjust or replace | |
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| antenna |
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| DISTORTION ON FM | • | • Check station tuning. Adjust or replace |
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| another station | antenna |
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| WHISTLES OR BUZZES ON FM & AM | • Interference from other electrical | • Check station tuning. Switch off or |
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| sources - computers, games consoles | move the source of the electrical noise |
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| WHISTLES OR BUZZES ON AM | • Interference from fluorescent lighting | • Check station tuning. Adjust or replace |
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| or electrical motors | AM antenna |
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| NO RDS NAME (PS) | • Station signal too weak | • Check station tuning. Adjust or replace |
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| antenna |
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| • Station not transmitting RDS data | • No remedy |
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