Yamaha RX-Z11 User Manual
Page 148
Troubleshooting
148
En
■ Tuner
A source cannot be
recorded by an analog
component connected to
the AUDIO OUT jacks.
The source component is not connected to the
analog AUDIO IN jacks of this unit.
Connect the source component to the analog AUDIO IN jacks.
The sound field
parameters and some
other settings of this unit
cannot be changed.
“Memory Guard” in “Option” is set to “On”.
Set “Memory Guard” to “Off”.
This unit does not operate
properly.
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 power cable from the AC wall outlet and then
plug it in again after about 30 seconds.
—
“CHECK SP WIRES”
appears in the front panel
display.
Speaker cables are short-circuited.
Make sure all speaker cables are connected correctly.
There is noise
interference from digital
or radio frequency
equipment.
This unit is too close to the digital or high-
frequency equipment.
Move this unit further away from such equipment.
—
The picture is disturbed.
The video source uses scrambled or encoded
signals to prevent dubbing.
This unit suddenly enters
the standby mode.
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.
—
Problem
Cause
Remedy
See page
Problem
Cause
Remedy
See page
FM
FM stereo reception is
noisy.
The characteristics of FM stereo 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.
—
Use the manual tuning method.
There is distortion, and
clear reception cannot be
obtained even with a good
FM antenna.
There is multi-path interference.
Adjust the antenna position to eliminate multi-path
interference.
—
The desired station cannot
be tuned into with the
automatic tuning method.
The signal is too weak.
Use a high-quality directional FM antenna.
—
Use the manual tuning method.
Previously preset stations
can no longer be tuned into.
This unit has been disconnected for a long
period.
Preset the stations again.
AM
The desired station cannot
be tuned into with the
automatic tuning method.
The signal is weak or the antenna connections
are loose.
Tighten the AM loop antenna connections and orient
it for the best reception.
—
Use the manual tuning method.
There are continuous
crackling and hissing
noises.
Supplied AM loop antenna is not connected.
Connect the AM loop antenna correctly even if you
use an outdoor antenna.
Noises can result from lightning, 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.
—
There are buzzing and
whining noises.
A TV set is being used nearby.
Move this unit away from the TV set.
—