Denon AVR 1909 Owners Manual - English - Page 85

Getting Started Connections Setup Playback Remote Control Multi-zone Information Troubleshooting Specifications Troubleshooting ENGLISH If a problem should arise, first check the following: 1. Are the connections correct? 2. Is the set being operated as described in the owner's manual? 3. Are the other components operating properly? If this unit does not operate properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. In this case, disconnect the power immediately and contact your store of purchase. GGeneralH Symptom Set does not operate properly. Power does not turn on, or turns off directly after it was turned on. No sound is produced from speakers. Display is off. Cause Countermeasure • External noise or interference is • Reset the microprocessor. causing the set to malfunction. • Connection of the power cord is • Check the insertion of the power faulty. cord plug. • Connection with the input • Check the connections. devices or connection of the speaker cables is faulty. • Device you want to play and set • Select an appropriate input input source do not match. source. • Master volume is turned too • Adjust the master volume to an low. appropriate level. • Mute mode is set. • Cancel the mute mode. • Headphones are connected. • Disconnect the headphones. • No digital signals are being • Select an input source for which input. the digital input setting has been made. • The connectors to which the • Set the input mode. digital inputs are assigned and the settable input modes do not match. • The "Dimmer" setting is set to • Set to something other than "OFF". "OFF". • The PURE DIRECT mode is set. • Set a surround mode other than the PURE DIRECT mode. Page 64 21 10 54 54 54 54 42 41 37 46 Symptom Cause Countermeasure "DOLBY DIGITAL" indicator does not appear on display. • Blu-ray Disc player / DVD player's • Check the Blu-ray Disc player / digital audio output setting is not DVD player's audio output setting. proper. For details, read the Blu-ray Disc player / DVD player's operating instructions. Power switches • The protection circuit will be • Please switch off power at once, off suddenly while activated depending upon the and re-apply the power after you are using the temperature rise in the internal the body temperature has fallen AVR-1909, the parts of the unit. sufficiently. power indicator • Please re-install AVR-1909 in a will flash in red place having good ventilation. at intervals of approximately 2 seconds. Power switches • Use speakers having impedance • Please use speakers which have off suddenly while less than that specified. the specified impedance. you are using the • If speaker cable core wires touch • Unplug the power cord, then AVR-1909, the each other or the core wires after twisting the core wires power indicator become disconnected from their together tightly again, or effecting will flash red terminals, the protection circuit termination treatments etc, at intervals of will be activated in the event of please reconnect once again. approximately 0.5 core wires coming into contact seconds. with the AVR-1909 rear panel. Even applying power, the power display flashes red at intervals of approximately 0.5 seconds. • The AVR-1909 amplifier circuit • Switch off the power and please has failed. contact the DENON service adviser. Page - 11 - 11 11 - 82