Yamaha RX-V440 MCXSP10 Manual - Page 55

TROUBLESHOOTING Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, set this unit to standby mode, disconnect the power cord, and contact the nearest authorized YAMAHA dealer or service center. I General Problem Cause Remedy Refer to page This unit fails to turn on when STANDBY/ ON (or SYSTEM POWER) is pressed, or enters in standby mode soon after the power has been turned on. The power cord is not connected or the plug is not completely inserted. Connect the power cord firmly. The IMPEDANCE SELECTOR switch on Set the switch fully to the left or right position when the rear panel is not fully set to either the this unit is in standby mode. left or right position. The protection circuitry has been activated. Make sure all speaker wire connections on this unit and on all speakers are secure and that the wire for each connection is not touching anything other than its respective connection. - 16 16 - 17 This unit has been exposed to a strong Set this unit in standby mode, disconnect the power - external electric shock (such as lightning cord, plug it back in after 30 seconds, then use it and strong static electricity). normally. No sound. Incorrect input or output cable connections. Connect the cables properly. If the problem persists, the cables may be defective. 10 - 17 No appropriate input source is selected. Select an appropriate input source with INPUT or 22 6CH INPUT (or the input selector buttons). The speaker connections are not secure. Secure the connections. 16 - 17 The main speakers have not been selected Select the main speakers with SPEAKERS A and/or 22 properly. B. The volume is turned down. Turn up the volume. 23 The sound is muted. Press MUTE or any operation buttons on the unit to - cancel mute and adjust the volume. Digital signals which this unit cannot Play a source whose signals this unit can reproduce. - reproduce are being received from a source component e.g; a CD-ROM. The picture does not appear. The output and input for the picture are connected to different types of video jacks. Connect components using the same type of video jacks (S VIDEO, VIDEO (composite), or COMPONENT VIDEO) for both the input and output. 10 - 11 The sound suddenly The protection circuit has been activated Check the IMPEDANCE SELECTOR switch is set to 16 goes off. because of a short circuit, etc. the appropriate position and then turn the unit back on. Check the speaker wires are not touching each other - and then turn the unit back on. The sleep timer has turned the unit off. Turn on the power, and play the source again. - The sound is muted. Press MUTE or any operation buttons on the unit to - cancel a mute and adjust the volume. ADDITIONAL INFORMATION English 51