Yamaha RX-Z9 用户指南
118
TROUBLESHOOTING
■
Tuner
Problem
Cause
Remedy
Refer to
page
There is noise
interference from
digital or high-
frequency equipment,
or this unit.
interference from
digital or high-
frequency equipment,
or this unit.
This unit is too close to digital or high-
frequency equipment.
frequency equipment.
Move this unit further away from such equipment.
—
The picture is
disturbed.
disturbed.
The video source uses scrambled or
encoded signals to prevent dubbing.
encoded signals to prevent dubbing.
Playing back video software that has an anti-copy
signal or video signals with a lot of noise may
produce unstable images.
signal or video signals with a lot of noise may
produce unstable images.
—
This unit suddenly
switches to the
standby mode.
switches to the
standby mode.
The internal temperature has become too
high and the overheat protection circuitry
activated.
high and the overheat protection circuitry
activated.
Wait until this unit cools down and then turn it back
on.
on.
—
Monitor output fails.
The wrong TV format is set.
Press and hold down EXIT on the remote control for
5 seconds or longer to initialize Video settings.
5 seconds or longer to initialize Video settings.
78
Problem
Cause
Remedy
Refer to
page
FM
FM stereo reception is
noisy.
noisy.
The characteristics of FM stereo
broadcasts may cause this problem
when the transmitter is too far away or
the antenna input is poor.
broadcasts may cause this problem
when the transmitter is too far away or
the antenna input is poor.
Check the antenna connections.
Try using a high-quality directional FM
antenna.
Try using a high-quality directional FM
antenna.
28
Use the manual tuning method.
48
There is distortion, and
clear reception cannot
be obtained even with a
good FM antenna.
clear reception cannot
be obtained even with a
good FM antenna.
There is multipath interference.
Adjust the antenna position to eliminate
multipath interference.
multipath interference.
—
The desired station
cannot be tuned in with
the automatic tuning
method.
cannot be tuned in with
the automatic tuning
method.
The station is too weak.
Use a high-quality directional FM antenna.
28
Use the manual tuning method.
48
Previously preset
stations can no longer
be tuned in.
stations can no longer
be tuned in.
This unit has been disconnected for a
long period.
long period.
Preset the stations again.
49
AM
The desired station
cannot be tuned in with
the automatic tuning
method.
cannot be tuned in with
the automatic tuning
method.
The signal is weak or the antenna
connections are loose.
connections are loose.
Tighten the AM loop antenna connections
and orient it for the best reception.
and orient it for the best reception.
—
Use the manual tuning method.
48
There are continuous
crackling and hissing
noises.
crackling and hissing
noises.
Noises result from lightning,
fluorescent lamps, motors, thermostats
and other electrical equipment.
fluorescent lamps, motors, thermostats
and other electrical equipment.
Use an outdoor antenna and a ground wire.
This will help somewhat, but it is difficult to
eliminate all noise.
This will help somewhat, but it is difficult to
eliminate all noise.
—
There are buzzing and
whining noises
(especially in the
evening).
whining noises
(especially in the
evening).
A TV set is being used nearby.
Move this unit away from the TV.
—
00EN.00_RXZ9_U.book Page 118 Friday, October 17, 2003 11:40 AM