Denon AVR 787 Owners Manual - English - Page 68
Troubleshooting
UPC - 081757507172
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ENGLISH Troubleshooting If a problem should arise, first check the following. 1. Are the connections correct? 2. Have you operated the receiver according to the Operating Instructions? 3. Are the speakers and other components operating properly? If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. Disconnect the power immediately and contact your store of purchase. Symptom Cause Measures Page Display not lit and sound • Power supply cord not plugged in • Check the insertion of the power 20 not produced when securely. supply cord plug. POWER switch set to on. Display lit but sound not • Speaker cables not securely • Connect securely. 8 produced. connected. • FUNCTION knob position is not • Switch to the proper position. 21 appropriate. • Volume control set to minimum. • Turn volume up to suitable level. 21 • MUTING is on. • Switch off MUTING. 22 • No digital signal is being input. • Properly select a digital signal input 47 source. Nothing is displayed on monitor. • AVR-787's video output terminals and monitor's input terminals are not properly connected. • Monitor's input setting is wrong. • Player connected with component terminal, TV connected with video terminal (yellow) or S-Video terminal. • Check that the connections are correct. • Set the monitor's input selector to the terminals to which video signals are connected. • Down-conversion is not possible for progressive video signals. Make the interlace settings on the player. 9, 13 ~ 20 - - No DTS sound is produced. • DVD player's audio output setting is • Make the DVD player's default - not set to bit stream. settings. • DVD player is not DTS-compatible. • Use a DTS-compatible player. - • AVR-787's input setting is set to • Set to "AUTO" or "DTS". 21 analog. Copying from DVD to • Copying between a source such as • Copying is not possible. - VCR is not possible. DVD and a VCR is not usually possible, as DVDs are often encoded with copy-protection signals that prevent VCR recording. Troubleshooting Symptom Cause Measures Page No sound is produced from subwoofer. • Subwoofer's power is not on. • Turn on the power. • Subwoofer's initial setting is set to • Set the setting to "YES". "NO". • Subwoofer's output is not connected. • Connect properly. • The subwoofer's channel volume • Turn the subwoofer's channel volume level is set to "OFF". level up. - 54, 55 8 32 No test tones are produced. • Surround mode is set to a mode • Set to STANDARD (Dolby/DTS - other than STANDARD (Dolby/DTS Surround). Surround). No sound is produced • Surround mode is set to "STEREO". • Set to a mode other than "STEREO". - from surround speakers. This unit does not • Batteries dead. • Replace with new batteries. 3 operate properly when • Remote control unit too far from this • Move closer. 3 remote control unit is unit. used. • Obstacle between this unit and • Remove obstacle. 3 remote control unit. • Different button is being pressed. • Press the proper button. - • < and > ends of batteries inserted • Insert batteries properly. 3 in reverse. Power has turned off • The set's internal temperature has • Put the AVR-787 in a well-ventilated 8 and the power indicator risen and the protection circuit has place. is blinking red. been activated. • Turn off the power, then wait for the 8 set to fully cool off before turning the power back on. • The core wires of the speaker cables • Check the connections of all the 8 are touching each other or the AVR- speaker cables. 787's rear panel, activating the protection circuit. • AVR-787 is malfunctioning. • Turn off the power and contact a 8 DENON customer service center. Sound is only produced from the center speaker. • You are playing a monaural source • When playing monaural sources, (TV, AM radio broadcast, etc.) in the select a surround mode other than STANDARD (Dolby/DTS Surround) STANDARD (Dolby/DTS Surround) mode. mode. 30, 31 "DOLBY DIGITAL" is not • DVD player's digital audio output • Check the DVD player's audio output - displayed. setting is not proper. setting. For details, see the DVD player's operating instructions. "CHECK ANTENNA" is • AVR-787's XM connectors and the • Check that the connection are 35 displayed in the XM XM Passport System is not properly correct. mode. connected. "NO SIGNAL" is displayed in the XM mode. • The signal cannot be received. • Reposition your XM Passport System. 35 65 ENGLISH