GB
© sonoro audio GmbH 2021 15
6.
DISPOSAL AT END OF USEFUL LIFE
Do not dispose of in household waste. Devices that are marked with this symbol
(see figure) should not be disposed of in household waste. They must be returned
to a collection point for the recycling of electrical and electro-technical devices.
Information regarding the disposal of old equipment can be obtained from your
municipality, local waste disposal company and the store where you purchased this
device. Proper disposal of old devices prevents environmental damage and does
not jeopardise your health.
7.
TROUBLESHOOTING
Malfunctions can occur with any electrical equipment. This is not necessarily due to a GRAND
ORCHESTRA defect. As such, you should check the following table to see if you can
eliminate the problem yourself.
Malfunction
Possible cause
Solution
No sound
Amplifier problem
Connect a known working loudspeaker to the
amplifier outputs. If there is no sound, verify all
the electronics are turned on, the signal
routing is correct, the source is active, the
volume is tuned up, etc.
The speaker cables
are not connected
properly
Check all the connected cables in between
amplifier and GRAND ORCHESTRA’s speaker
terminals are connected properly.
Poor low
frequency
respond
Speaker cables are
wired in wrong
polarity
Check the amplifier (
✚
) terminal is connected
to GRAND ORCHESTRA’s (
✚
) speaker terminal.
Again, check the amplifier (
▬
) terminal is
connected to GRAND ORCHESTRA’s (
▬
)
speaker terminal.
Constant noise
such as buzzing,
humming
Poor grounding of
amplifier
Check and correct the amplifier grounding
problem.
Faulty cable
Replace a good cable.
Intermittent
output such as
cracking or
distortion.
The speaker cables
are not connected
properly
Checked all connections at amplifier and
GRAND ORSCHESTRA to ensure all are correct
and tight.
