Roland JV-80 Owner's Manual 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
170