Roland JV-80 - Page 170

2.
Troubleshooting
Check through the following situations and conditions when
your JV-80 fails to operate properly.
No sound
#
Check that the JV-80, amplifier and mixer are all turned
on.
#
Check that all the devices are connected correctly and
securely.
#
Check
that the connecting cables
are not
defective.
#
Check whether the sound is output through a connected
set of headphones. If you can hear the sound normally
through the headphones, the connected
device
or cable
are probably the cause of the problem.
#
Check that the volume of the amplifier, mixer or external
MIDI sound source are set to suitable levels.
#
Check that the volume of JV-80 is set to a suitable level.
•
Check that the Patch transmit channel of the system
parameters
is on.
•
Check that the Tone
switch which is set for the Tone of
a
Patch is on.
Check that
the
range of the zone has been properly set:
O
The
key range
value which is set for the transmit or internal
zone, when the key mode of the
Performance is
set to zone
O
The velocity range value which is set
for the Tone when the
velocity
switch of a
Patch is on
•
Check that the MIDI channel has been set properly:
O
The Patch transmit/receive channel value
which is
set
in the
system commom parameters
O
Transmit channel value which is set by
the transmit zone of the
Performance
O
Receive channel value which is set for the
Part of
a
Performance
For the internal sound source, check the following:
O
The
position of the master volume slider
O
The Part level value which is set for the Part of a Performance
O
The Patch
level value which.is
set
for
a Patch
O
TVA
level value which is
set
for the Tone of
a
Patch or
a
Rhythm
Tone
O
The position of
the pedal
or
slider when CC7/V0LUME is
assigned to Pedal 1/2 or CI
O
The value of
the volume
data
received via MIDI
IN
For
connected MIDI devices, check the following:
O
The
transmit volume setting which is made for the transmit zone
of a Performance
O
The
position of the pedal or slider when CC7A/0LUME is
assigned to Pedal 1/2 or CI
#
Check that the local switch is on:
#
Sound may not be produced if:
1)
the
cutoff
is set
to
and the TVF filter type for the Tone of a Patch or a
Rhythm Tone Is set to LPF, or
2)
the cutoff is set to 127
and the
filter
type is set to
HPF.
Check the following:
O
TVF cutoff value
O
TVF envelope depth
O
The velocity sensitivity value and the key follow setting of the
TVF envelope
O
The level setting of TVF envelope
O
The depth setting and the
controller position when
the
modulation/aftertouch/expression control parameter is set to
cutoff
•
Check that the TVA
level
of
the Patch Tone or Rhythm
Tone is set to 0.
O
The
setting of
the
local switch in the system common
parameters
O
The setting of the local switch which is set for the internal zone
of
a
Performance
Check that the receive switch which is set for the Part of
a Performance is on.
•
Check that the
transmit switch which
is set for the
transmit zone of a
Performance is on.
Check the following:
O
Dry level value which is set by the effect send
O
TVA level value
O
The velocity sensitivity value and
the key follow setting of the
TVA envelope
O
The level setting of TVA envelope
O
The depth setting
and the controller position
when
the
modulation/aftertouch/expression control parameter is set to
level
O
TheTonedelay time value
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