Denon 4802R Owners Manual - Page 76

15 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, turntable and other components operating property ? 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 DISPLAY not lit and sound not produced • Power cord not plugged in securely. when power switch set to on. Measures • Check the insertion of the power cord plug. Page 6 DISPLAY lit but sound not produced. • Speaker cords not securely connected. • Input source selector button position is not appropriate. • Volume control set to minimum. • MUTING is on. • No digital signal is being input. • Speaker A or B button is set to "OFF". • Connect securely. • Switch to the proper position. • Turn volume up to suitable level. • Switch off MUTING. • Properly select a digital signal input source. • Set the button for the connected speaker terminals to "ON". 12, 13 47 48 51 28, 47 18 Nothing is displayed on monitor. • AVR-4802R's video output jacks and monitor's input jacks are not properly connected. • Monitor TV's input setting is wrong. • Connections of the various component's video signals are not unified. • VIDEO OFF mode is set. • PURE DIRECT mode is set. • Check that the connections are correct. • Set the TV's input selector to the jacks to which video signals are connected. • Unify to composite or S jack. • VIDEO ON mode is set. • Mode other than PURE DIRECT mode is set. 7 ~ 9 7 ~ 9 7 ~ 9 50 49 Ultra2 Cinema/THX MusicMode cannot • Surround back speaker set to 1. be set. • Connect two surround back speakers. 21, 59 • DVD player's audio output setting is not set to bit • Make the DVD player's initial settings. - No dts sound is produced. stream. • DVD player is not dts-compatible. • Use a dts-compatible player. - • AVR-4802R's input setting is set to analog. • Set to AUTO or dts. 47 Copying from DVD to VCR is not • Mode video software contains copy prohibit • Copying is not possible. - possible. signals. • Subwoofer's power is not on. • Turn on the power. - No sound is produced from subwoofer. • Subwoofer's initial setting is set to "NO". • Set the setting to "YES". 18 • Subwoofer's output is not connected. • Connect properly. 13 No test tones are produced. • Surround mode is set to a mode other than • Set to Dolby Surround. Dolby Surround. - No sound is produced from surround • Surround mode is set to "STEREO". • Set to a mode other than "STEREO". - speakers. This unit does not operate properly when • Batteries dead. • Remote control unit too far from this unit. • Obstacle between this unit and remote control • Replace with new batteries. • Move closer. • Remove obstacle. 33 33 - remote control unit is used. unit. • Different button is being pressed. • < and > ends of battery inserted in reverse. • Press the proper button. • Insert batteries properly. - 33 76