Yamaha M170 - Manual (Page 34)

TROUBLESHOOTING
32
If there is any problem with this unit, check the following items. If you cannot solve your problem with the following
remedies or if your problem is not listed below, turn off and unplug the unit, then consult the nearest authorized
YAMAHA dealer or service center.
TROUBLESHOOTING
General
Problem Cause Solution
Power turns on but
immediately shuts off. The power cable may be connected
improperly. Make sure the power cable is plugged
into the outlet firmly.
The speaker cable may be shorted. Make sure all speaker cables are
connected properly.
This unit may receive a strong
electrical shock such as from a
lightening bolt or excessive static
electricity. Set this unit to the Standby mode, then
disconnect the power cable. Wait for
about 30 seconds, then connect the
power cable and turn on this unit.
The speakers make no
sound. The volume may be set to minimum
level. Adjust the volume level.
The Mute function may be enabled. Cancel the Mute function.
The input source may be incorrect. Select the correct input source.
The cables may be connected
improperly. Make sure all cables are connected
properly. (page 8)
The disc loaded into this unit may be
not compatible. Make sure you use a disc supported by
this unit.
Sound suddenly turns off. The Sleep Timer might be set. Turn on this unit and play the source
again.
Sound is too low on one
side. The cables may be connected
improperly. Make sure all cables are connected
properly.
The volume does not
increase or sounds are
distorted. The power of the equipment
connected to this unit’s output jack
may be turned off. Turn on the power of the equipment
connected to this unit’s output jack.
This unit does not operate
properly. This unit may receive a strong
electrical shock, such as from a
lightening bolt or excessive static
electricity, or drop in power supply. Set this unit to the Standby mode, then
disconnect the power cable. Wait for
about 30 seconds, then connect the
power cable and turn on this unit.
A digital equipment or high
frequency equipment
produces noises. This unit may be placed close to the
digital equipment or high-frequency
equipment. Place this unit further away from such
equipment.
The volume does not
increase or sounds are
distorted. The power of the component
connected to a this unit’s output jack
may be turned off. Turn on the power of the component
connected to a this unit’s output jack.
Sound played on this unit
cannot be recorded with an
external recorder. You may be trying to make a digital
recording with an analog source, or
analog recording with a digital source. Use proper audio sources.
The recording equipment may be
connected to this unit with an analog
connection. Connect them with a digital connection.
The clock setting has been
cleared. The power to this unit may be lost
more than a week. Make sure the power cable is plugged
into outlet firmly, then set the clock
again (page 12).
A digital equipment or high
frequency equipment
produces noises. This unit may be placed close to the
digital equipment or high-frequency
equipment. Place this unit further away from such
equipment.
00EN_00_CRX-M170_G.book Page 32 Wednesday, July 27, 2005 6:11 PM