Brand: YAMAHA
Category: Audio/Video
Document Type: Manual
Language: EN
Available Languages: EN , ES
Uploaded: Nov. 21, 2025, 7:08 p.m.
Warranty information is not explicitly stated in the provided pages.
| Problem | Cause | Remedy | See page |
|---|---|---|---|
| This unit fails to turn on when STANDBY/ON is pressed, or enters the standby mode soon after the power has been turned on. | The power supply cable is not firmly connected to the AC wall outlet or to the AC inlet on the rear panel of this unit. | Connect the power supply cable firmly to the AC wall outlet or to the AC inlet on the rear panel of this unit. | 23 |
| This unit suddenly enters the standby mode. | This unit has been exposed to a strong external electric shock (such as lightning and strong static electricity). | Set this unit to the standby mode, disconnect the power supply cable, plug it back in after 30 seconds, then use it normally. | — |
| The internal temperature becomes too high and the overheat protection circuitry has been activated. | Wait about 1 hour for this unit to cool down and then turn it back on. | — | |
| The sleep timer has turned the unit off. | Turn on the power, and play the source again. | — | |
| No sound. | Incorrect input or output cable connections. | Connect the cables properly. If the problem persists, the cables may be defective. | 15 |
| No appropriate input source has been selected. | Select an appropriate input source with INPUT or the input selector buttons. | 39 | |
| The volume is turned down. | Turn up the volume. | 40 | |
| The sound is muted. | Press MUTE or VOLUME +/- on the remote control to resume audio output and then adjust the volume level. | 41 | |
| The sound suddenly goes off. | Signals this unit cannot reproduce (such as PCM signals with more than 96 kHz of sampling frequency) are being received from source component. | Play a source whose signals can be reproduced by this unit. Change the system settings of the source component. | — |
| The sleep timer has turned the unit off. | Turn on the power, and play the source again. | — | |
| The sound is muted. | Press MUTE or VOLUME +/- on the remote control to resume audio output and then adjust the volume level. | 41 | |
| No sound from the effect speakers. | You are playing back the source or program in the stereo mode. | Press one of the beam mode buttons on the remote control to select a multi-channel playback mode and then try to play back the source or program once more. | 42 |
| No sound from the center speaker. | The output level of the center speaker is set to minimum. | Raise the level of the center speaker. | 83 |
| No sound from the surround speakers. | The output level of the surround speakers is set to minimum. | Raise the output level of the surround speakers. | 83 |
| No sound from the subwoofer. | BASS OUT in SUBWOOFER SET is set to FRONT. | Select SWFR or BOTH. | 75 |
| The source does not contain low bass signals. | — | — | |
| Distorted or too little bass sound | CROSS OVER in SUBWOOFER SET is set incorrectly. | Set CROSS OVER correctly. | 75 |
| One of the night listening modes is currently selected. | Turn off the night listening modes. | 56 | |
| Too much bass sound | TruBass is currently turned on. | Turn off TruBass. | 58 |
| The volume level of the subwoofer is too high. | Turn down the volume level of the subwoofer. | — | |
| Surround sound effects are insubstantial. | The listening room is not a regular shape. | Install this unit in a square or rectangular shaped room. | — |
| There is no wall in the path of the sound beam. | Try placing a flat object, such as a board, in the path of the sound beam. | — | |
| Dolby Digital or DTS sources cannot be played. (Dolby Digital or DTS indicator does not light up in the front panel display.) | The connected component is not set to output Dolby Digital or DTS digital signals. | Make an appropriate setting following the operating instructions for your component. | — |
| The input mode is set to ANALOG. | Set the input mode to AUTO. | 86 | |
| There is noise interference when a subwoofer is not connected to this unit. | The protection circuitry was in operation because a source with strong bass elements was played back. | Turn down the volume level. | 40 |
| Select SWFR for BASS OUT. | 75 | ||
| On-screen display does not appear. | The VIDEO OUT (composite) jack of this unit is not connected to the video input jacks of your TV. | Connect the VIDEO OUT (composite) jack of this unit to the video input jacks of your TV. The OSD is not output at the COMPONENT VIDEO OUT jacks. | 16 |
| No picture is displayed for external components, such as a DVD player. | The video pin cable is not connected properly. | Connect the cable properly. | 16 |
| TV is not selected as the input source. | Select TV as the input source. | 39 | |
| This unit does not operate properly. | The video cable is not connected properly. | Connect the cable properly. | 16 |
| TV is not selected as the input source. | Select TV as the input source. | 39 | |
| The internal microcomputer has been frozen by an external electric shock (such as lightning or excessive static electricity) or by a power supply with low voltage. | Disconnect the AC power supply cable from the outlet and then plug it in again after about 30 seconds. | — | |
| There is noise interference from digital or high-frequency equipment. | This unit is too close to the digital or high-frequency equipment. | Move this unit further away from such equipment. | — |
| This unit does not output effect sounds properly. | The original source includes surround effects. | Disable surround effect settings on this unit. | — |