TROUBLESHOOTING
Refer to the chart below when this system does not function properly. If the problem you are having is not listed below or if the instruction below does not help, set this system to the standby mode, disconnect the power cable, and contact the nearest authorized YAMAHA dealer or service center.
Problem | Cause | ||||||||||||
|
| ||||||||||||
The amplifier unit | The power cable is not connected or the plug | ||||||||||||
fails to turn on when | is not completely inserted. | ||||||||||||
STANDBY/ON ( |
|
|
| ) |
| ||||||||
|
|
| |||||||||||
is pressed, or enters |
| ||||||||||||
The amplifier unit has been exposed to a | |||||||||||||
in the standby mode | |||||||||||||
strong external electric shock (such as | |||||||||||||
soon after the power | |||||||||||||
lightning and strong static electricity). | |||||||||||||
has been turned on. | |||||||||||||
| |||||||||||||
|
|
|
|
|
|
|
|
| |||||
No sound. |
|
|
|
|
|
|
| Incorrect input cable connections. | |||||
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| An appropriate input source has not been | |
|
|
|
|
|
|
|
|
|
|
|
| selected. | |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| The speaker connections are not secure. | |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| The volume is turned down. | |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| The sound is muted. | |
|
| ||||||||||||
No sound from the | The level of the rear speakers is set to | ||||||||||||
rear speakers | minimum. | ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| The surround mode is off. | |
|
| ||||||||||||
No sound from the | The source encoded with a Dolby Digital or | ||||||||||||
center speaker when | DTS signal does not have a center channel | ||||||||||||
the DTS or |
|
|
|
|
|
|
| signal. | |||||
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
| |||||||
DIGITAL mode is |
| ||||||||||||
selected. |
|
|
|
|
|
|
|
| |||||
|
| ||||||||||||
No sound from the | The level of the subwoofer is set to minimum. | ||||||||||||
subwoofer. |
| ||||||||||||
|
| ||||||||||||
A “humming” sound | Incorrect cable connections to the ANALOG | ||||||||||||
can be heard. | INPUTS jacks. | ||||||||||||
|
| ||||||||||||
The amplifier unit | The internal microcomputer has been frozen | ||||||||||||
does not operate | by an external electric shock (such as | ||||||||||||
properly. |
|
|
|
|
|
|
| lightning or excessive static electricity) or by | |||||
|
|
|
|
|
|
|
|
|
|
|
| a power supply with low voltage. | |
|
| ||||||||||||
There is noise | The amplifier unit is too close to the digital or | ||||||||||||
interference from | |||||||||||||
digital or high- |
| ||||||||||||
frequency equipment, |
| ||||||||||||
or the amplifier unit. |
| ||||||||||||
|
| ||||||||||||
No sound from the | Dim illumination of an indicator means that | ||||||||||||
center and rear | signals encoded with the corresponding | ||||||||||||
speakers though the | format (DTS or Dolby Digital) is inputted to | ||||||||||||
DTS or |
|
|
|
| DIGITAL | this system. In this case, the signals are mixed | |||||||
|
| ||||||||||||
|
| ||||||||||||
mode indicator is | into 2 channels and reproduced from the front | ||||||||||||
dimly illuminated. | speakers only. | ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| |
Remedy | Refer |
| to page |
|
|
Firmly connect the power cable. | 10 |
|
|
Set the amplifier unit in the standby mode, | — |
disconnect the power cable, plug it back in after |
|
30 seconds, then start operating. |
|
|
|
Connect the cables properly. If the problem | 8 – 9 |
persists, the cables may be defective. |
|
|
|
Select an appropriate input source with the | 12 |
INPUT button. |
|
|
|
Secure the connections. | 9 |
|
|
Turn up the volume. | 12 |
|
|
Press MUTE or any operation buttons to cancel | 12 |
a mute and adjust the volume. |
|
|
|
Press REAR + button on the remote control to | — |
increase the level. |
|
|
|
Select the appropriate surround mode by | 13 |
pressing the MODE button. |
|
|
|
| — |
|
|
Press S. WOOFER + button on the remote | 12 |
control to increase the level. |
|
|
|
Firmly connect the audio plugs to the | 8 |
ANALOG INPUTS jacks. If the problem |
|
persists, the cables may be defective. |
|
|
|
Disconnect the power cable from the outlet and | — |
then plug it in again after about 30 seconds. |
|
|
|
Move the amplifier unit further away from such |
|
equipment. |
|
|
|
Press the MODE button for the appropriate | 13 |
surround format. The indicator turns bright, and |
|
the center and rear speakers reproduce sounds |
|
since the surround format is decoded. |
|
|
|
14
