Advertisement
TROUBLESHOOTING
Check
through
the following situations
and
conditions
when
your
JV-880
fails
to
operate
properly.
No
sound
•
Check
that
the
JV-880,
amplifier
and
mixer
are
all
turned
on.
•
Check
that
all
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
cables 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-880
is
set
to
a
suitable
level.
Any
of
the following settings
may
apply:
O
The
position of the
VOLUME
knob
O
The
Part
level
value
(Part
parameter:
P.7-1 0)
O
Patch
level
value (Patch
Common
parameter:
P.6-8)
O
TVA
level
value
(Tone parameter:
P.6-43;
Rhythm Tone
parameter:
P.8-1
8)
O
The
value
of
the
volume
data received
via
MIDI
IN
•
Check
that
the
MIDI
receive switch
(P.7-1 5)
of
the Part
parameter
(Performance)
is
on.
•
Check
that
the
Tone
switch
for
the
Patch
is
on.
O
(Tone parameters)
TVF
cutoff
value
(P.6-35)
TVF
envelope depth
value
(P.6-38)
The
velocity
sensitivity
value
and
the
key
follow setting
of
the
TVF
envelope
(P.
6-40, 6-41)
The
level setting of
TVF
envelope
(P.6-42)
O
The
depth
setting
when
the
modulation/aftertouch/
expression
control
parameter
is
set
to
cutoff
(Tone
parameter:
P.6-1
8)
i
Check
that
the
TVA
level of
the
Patch
Tone
or
Rhythm
Tone
is
set
to
0.
Any
of
the following settings
may
apply:
O
(Tone
parameters)
Dry
level
value
(P.
6-52)
TVA
level
value
(P.6-43)
The
velocity
sensitivity
value
and
the
time
key
follow setting
of
the
TVA
envelope
(P.
6-48,
6-49)
The
level setting of
TVA
envelope
(P.
6-50)
TVA
delay
time value
(P.6^47)
O
The
depth
setting
when
the
modulation/aftertouch/
expression
control
parameter
is
set
to
level
(Tone
parameter:
P.6-1 8)
)
The
sound
range
may
be
limited
depending on
the
wave
selected.
Check
the following
parameter
for
the
various
sections:
•
Check
that
the
MIDI channel has
been
set properly.
Any
of
the following
settings
may
apply:
O
Coarse
tune value
(Part:
P.7-1
1
;
Tone:
P.6-27;
Rhythm Tone
parameter:
P.8-9)
O
The
value
of
the
Patch
receiving
channel (System
Common
parameter:
P.
5-5)
O
The
value
of
the receiving
channel
(Part
parameter:
P.7-1 2)
>
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.
Any
of
the
following
settings
may
apply:
>
Check
that
the
JV-880
is
not
in
the
ROM
play
mode.
The
internal
sounds
of
the
JV-880
will
not
sound
from
received
MIDI
IN
performance
data
when
the
instrument
is in
the
ROM
play
mode.
t
When
the output
mode
is
4
OUT
and
the output
select
parameter
is
set
to
SUB OUTPUTS:
O
The sound
output through
the
SUB OUTPUTS
cannot
be
heard over
the
headphones.
O
The sound
is
output through the
MAIN
OUTPUTS
when
the
connecting cable
is
not
connected
to
the
SUB
OUTPUT.
Advertisement
