Yamaha RX-V1 Owner's Manual page 89

Problem
A source cannot be recorded
by a tape deck or VCR
connected to this unit.
CHECK SP WIRES!" appears
on the display.
There is noise from a nearby
TV or tuner.
The sound is degraded when
listening with the headphones
connected to the CD player or
cassette deck that are
connected to this unit.
"INPUT DATA ERROR"
appears on the display and no
sound is heard.
Tuner
Problem
FM stereo reception is
noisy.
There is distortion and clear
reception cannot be
obtained even with a good
FM antenna.
A desired station cannot be
tuned in with the automatic
tuning method.
Previously preset stations
can no longer be tuned in
using preset tuning.
A desired station cannot be
tuned in with the automatic
tuning method.
There are continuous
crackling and hissing
noises.
There are buzzing and
whining noises (especially
in the evening).
Troubleshooting
Possible Cause
The source unit is connected to this unit
using digital jacks only.
Speaker cables are short circuited.
This unit is too close to the affected
equipment.
The power to this unit is off.
A non-standard source is played back, or
the equipment playing back the source is
not operating correctly.
Possible Cause
Because of the characteristics of FM
stereo broadcasts, this is limited to cases
where the transmitter is too far away or
the antenna input is poor.
There is multipath interference.
The station is too weak.
This unit has been unplugged for a long
period.
Weak signal or loose antenna
connections.
Noises result from lightning, fluorescent
lamps, motors, thermostats and other
electrical equipment.
A television set is being used nearby.
What to Do
Make additional connections to the analog
jacks (see pages 16 through 19).
Make sure all speaker cables are
connected correctly.
Move this unit farther away from the affected
equipment.
Turn on the power to this unit.
Check the source, or turn off the source
equipment, then turn it on again.
What to Do
Check the antenna connections.
Try using a high quality directional FM
antenna.
Set TUNING MODE to the manual tuning
mode.
Adjust the antenna orientation to eliminate
multipath interference.
Use the manual tuning method.
Use a high quality directional FM antenna.
Repeat the presetting procedure (see page
36).
Tighten the AM loop antenna connections
and adjust the antenna's orientation for best
reception.
Use the manual tuning method.
Use an outdoor antenna and a ground wire.
This will help somewhat but it is difficult to
eliminate all the noises.
Relocate this unit away from the TV.
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