Denon AVR 689 Owners Manual - English - Page 65

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 Cause Countermeasure Set does not • External noise or interference is • Reset the microprocessor. operate properly. causing the set to malfunction. Power does not turn on, or turns off directly after it was turned on. • Connection of the power cord is • Check the insertion of the power faulty. cord plug. No sound is produced from speakers. • 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. Display is off. • The Dimmer setting is set to • Set to something other than "OFF". "OFF". "DOLBY DIGITAL" • DVD player's digital audio output • Check the DVD player's audio indicator does not setting is not proper. output setting. For details, read appear on display. the DVD player's operating instructions. Page 46 17 9 ~ 17 39 40 40 40 26 39 40 - Symptom Cause Countermeasure 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 temperature rise in the internal the body temperature has fallen the AVR-689, the parts of the unit. sufficiently. power indicator • Please re-install AVR-689 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 AVR-689, the • If speaker cable core wires touch • Unplug the power cord, then power indicator each other or the core wires after twisting the core wires will flash red become disconnected from their together tightly again, or effecting at intervals of terminals, the protection circuit termination treatments etc, approximately 0.5 will be activated in the event of please reconnect once again. seconds. core wires coming into contact with the AVR-689 rear panel. Even applying power, the power display flashes red at intervals of approximately 0.5 seconds. • The AVR-689 amplifier circuit has • Switch off the power and please failed. contact the DENON service adviser. Page 9 - 9 9 - 62