Yamaha CBR10 Manuel du propriétaire - Page 7
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Symptom
No sound.
The cable is not connected properly. • Connect the cable all the way in so that it is firmly
Howling sound
A microphone is directed toward the
is produced
speaker.
(feedback).
The sound is amplified too much.
The amplifier
The total impedance of the
shuts down.
speakers is less than the minimum
load impedance of the amplifier.
Example: More than two speakers
(eight ohms) are connected to a
power amplifier, the load impedance
of which is six ohms.
High frequency
The protection circuit is operating in
range is
the HF unit.
attenuated.
If any specific problem should persist, however, please contact your Yamaha dealer.
Troubleshooting
Possible causes
Possible solution
in place.
• If the speakON connector is used, connect to "1+"
and "1-" and turn the plug to be locked.
Aim the speaker away from the area where the
microphone picks up sound.
Lower the volume of input device and locate the
microphone more closely to the sound source.
Check the minimum load impedance of the power
amplifier, and lower the number of speakers
connected in parallel not to be less than the
impedance.
Refer to "Protection circuit" in the NOTICE.