Yamaha V665 Owners Manual - Page 67

INTRODUCTION PREPARATION BASIC OPERATION ADVANCED OPERATION Troubleshooting Problem Cause Remedy No sound is heard from the surround speakers. No sound is heard from the subwoofer. No sound is heard from the surround back speakers. The audio input sources cannot be played in the desired digital audio signal format. Noise/hum noise is heard. "Memory Guard!" is displayed and the setting cannot be changed. This unit does not operate properly. This unit is in the "STRAIGHT" mode and a monaural source is being played back. Press MSTRAIGHT or the kSTRAIGHT on the remote control to turn off the "STRAIGHT" mode. Sound may not be output from certain channels depending on input sources or sound field programs. Try another sound field program. "LFE/Bass Out" of "A)Config" in "Speaker Setup" of the setup menu (Speaker Setup→Manual Setup→A)Config) is set to "Front" when a Dolby Digital, DTS or AAC signal is being played. Set "LFE/Bass Out" to "SWFR" or "Both." "LFE/Bass Out" of "A)Config" in "Speaker Setup" of the setup menu (Speaker Setup→Manual Setup→A)Config) is set to "SWFR" or "Front" when a 2-channel source is being played. Set "LFE/Bass Out" to "Both." The source does not contain low frequency signals. "Extended Surround" in the OPTION menu is set to "Off," or an input signal does not contain a surround back flag with "Extended Surround" set to "Auto." Set "Extended Surround" other than "Off" or "Auto." The connected component is not set to output the desired digital audio signals. Set the playback component properly referring to its operating instructions. Incorrect cable connection. A DTS-CD is being played back. "Memory Guard" in "Set Menu" is set to "On." Connect the audio cables properly. If the problem persists, the cables may be defective. 1) When only noise is output If a DTS bitstream signal is not properly input to this unit, only noise is output. Connect the playback component to this unit by digital connection and play back the DTS-CD. If the condition is not improved, the problem may results from the playback component. Consult the manufacturer of the playback component. 2) When noise is output during playback or skip operation Before playing back the DTS-CD, display the option menu after selecting the input source and set "Decoder Mode" to "DTS." Set "Memory Guard" to "Off." The internal microcomputer is frozen due to an external electric shock (such as lightning or excessive static electricity) or by a drop in power supply voltage. Disconnect the power cable from the AC wall outlet, wait about 30 seconds and then plug it in again. See page 28 25 52 52 44 - - 15, 44 56 - APPENDIX English 63 En