Yamaha HTR-5440 Owner's Manual - Page 54

APPENDIX TROUBLESHOOTING Refer to the chart below when the 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 in the standby mode, disconnect the power cord and contact the nearest authorized YAMAHA dealer or service center. I General Problem The unit fails to turn on when STANDBY/ON (or POWER) is pressed, or enters in the standby mode soon after the power has been turned on. No sound and/or no picture. The picture does not appear. The sound suddenly goes off. Only the speaker on one side can be heard. Cause The power cord is not connected or the plug is not completely inserted. The IMPEDANCE SELECTOR switch on the rear panel is not fully set to the left or right position. The protection circuit has been activated. Incorrect input or output cable connections. An appropriate input source has not been selected. The speaker connections are not secure. The main speakers to be used have not been selected properly. The volume is turned down. The sound is muted. Digital signals other than PCM audio, Dolby Digital or DTS signal which this unit cannot reproduce are being input to this unit by playing a CD-ROM, etc. The output and input for the video are connected to different types of video jacks. HTR-5450 only The protection circuit has been activated because of a short circuit, etc. The sleep timer has functioned. The sound is muted. Incorrect cable connections. Remedy Firmly connect the power cord. Set the switch fully to the left or right position when the unit is in the standby mode. Make sure all speaker wire connections on this unit and on all speakers are secure and that the wire for each connection does not touch anything other than its respective connection. Connect the cables properly. If the problem persists, the cables may be defective. Select an appropriate input source with INPUT l / h or 6CH INPUT (or the input selector buttons). Secure the connections. Select the main speakers with SPEAKERS A and/or B. Turn up the volume. Press MUTE or any operation buttons to cancel a mute and adjust the volume. Play a source whose signals this unit can reproduce. Make connections using the same type of jack (between composites, S-VIDEOs, or components) for both the input and output. HTR-5450 only Check the IMPEDANCE SELECTOR switch is set to 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. Turn on the power, and play the source again. Press MUTE or any operation buttons to cancel a mute and adjust the volume. Connect the cables properly. If the problem persists, the cables may be defective. Refer to page 18 18 16, 17 12 - 15 21 16, 17 21 22 22 - 14, 15 18 16, 17 39 22 12 - 17 50