Yamaha RX-V363 Owner's Manual page 58

Troubleshooting
Problem
The picture is
disturbed.
This unit suddenly
enters the standby
mode.
■ Tuner
Problem
FM stereo reception is
noisy.
There is distortion, and
clear reception cannot
be obtained even with a
FM
good FM antenna.
The desired station
cannot be tuned into
with the automatic
tuning method.
Previously preset
stations can no longer
be tuned into.
The desired station
cannot be tuned into
with the automatic
tuning method.
AM
There are continuous
crackling and hissing
noises.
There are buzzing and
whining noises.
■ AUTO SETUP
Before AUTO SETUP
Error message
Connect MIC!
Unplug HP!
56
En
Cause
The video source uses scrambled or
encoded signals to prevent dubbing.
The internal temperature is too high and
the overheat protection circuitry has been
activated.
Cause
The characteristics of FM stereo
broadcasts may cause this problem
when the transmitter is too far away or
the antenna input is poor.
There is multi-path interference.
The signal is too weak.
This unit has been disconnected for a
long period.
The signal is weak or the antenna
connections are loose.
Noises result from lightning,
fluorescent lamps, motors, thermostats
and other electrical equipment.
A TV set is being used nearby.
Cause
Optimizer microphone is not connected.
Headphones are connected.
Remedy
Wait about 1 hour for this unit to cool down and then
turn it back on.
Remedy
Check the antenna connections.
Try using a high-quality directional FM
antenna.
Use the manual tuning method.
Adjust the antenna position to eliminate
multi-path interference.
Use a high-quality directional FM antenna.
Use the manual tuning method.
Set preset stations.
Tighten the AM loop antenna connections
and orient it for the 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 noise.
Move this unit away from the TV set.
Remedy
Connect the supplied optimizer microphone
to the OPTIMIZER MIC jack on the front
panel.
Unplug the headphones.
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38
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38
39
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38
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