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 in the standby mode, disconnect the power cord, and contact the nearest authorized YAMAHA dealer or service center.
■ General
Problem | Cause | Remedy |
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This unit fails to turn on when | The power cord is not connected or the plug is not | Firmly connect the power cord. |
STANDBY/ON (or SYSTEM | completely inserted. |
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POWER) is pressed, or enters in |
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the standby mode soon after the | IMPEDANCE SELECTOR on the rear panel is not | Set the switch fully to the upper or lower position |
power has been turned on. | fully set to the upper or lower position. | when this unit is in the standby mode. |
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| The protection circuitry has been activated. | Make sure all speaker wire connections on this unit |
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| and on all speakers are secure and that the wire for |
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| each connection does not touch anything other than its |
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| respective connection. |
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| This unit has been exposed to a strong external electric | Set this unit in the standby mode, disconnect the |
| shock (such as lightning and strong static electricity). | power cord, plug it back in after 30 seconds, and start |
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| operating. |
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The setting for the | Select the full display or short display mode (see page | |
appear. | “DISPLAY OFF”. | 33). |
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| The BLUE BACK setting under “15 DISPLAY SET” | Set BLUE BACK to “AUTO” to always show the |
| on the SET MENU is set to “OFF”, and no video | OSD (see page 62). |
| signal is input to this unit. |
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No sound and/or no picture. | Incorrect input or output cable connections. | Connect the cables properly. If the problem persists, |
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| the cables may be defective. |
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| An appropriate input source has not been selected. | Select an appropriate input source with INPUT |
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| SELECTOR or 6CH INPUT (or the input selector |
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| buttons) (see page 42). |
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| The speaker connections are not secure. | Secure the connections. |
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| The main speakers to be used have not been selected | Select the main speakers with SPEAKERS A and/or |
| properly. | B (see page 42). |
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| The volume is turned down. | Turn up the volume. |
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| The sound is muted. | Press MUTE or any operation buttons of this unit to |
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| cancel a mute and adjust the volume. |
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| The signals that this unit cannot reproduce such as a | Play a source whose signals this unit can reproduce. |
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| The output and input for the picture are connected to | Make connections using the same type of jack |
| different types of video jacks. | (between S VIDEO, VIDEO (composite), or |
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| COMPONENT VIDEO jacks) for both the input and |
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| output. |
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The sound suddenly goes off. | The protection circuit has been activated because of a | Check IMPEDANCE SELECTOR is set to the |
| short circuit, etc. | appropriate position and then turn this unit back on. |
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| Check the speaker wires are not touching each other |
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| and then turn this unit back on. |
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| The sleep timer has functioned. | Turn on the power, and play the source again. |
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| The sound is muted. | Press MUTE or any operation buttons of this unit to |
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| cancel a mute and adjust the volume. |
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Only the speaker on one side can | Incorrect cable connections. | Connect the cables properly. If the problem persists, |
be heard. |
| the cables may be defective. |
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| BALANCE is turned to the left or right end. | Adjust it to the appropriate position. |
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