Troubleshooting - Roland JV-30 Owner's Manual

Troubleshooting
In
cases
when
for
some
reason
no sound
is
produced, or you think the
unit
is
not operating
as
it
should,
first
check the items below. Then,
if
you should
still
be unable
to achieve
normal operation, contact
the store
where
you bought
the
instrument, or
the
nearest
Roland
Service Station.
No
sound
produced/
^
^'^^
y*^"^
^^^^
y*^'^
don't
have the
volume
set
too low?
_-|.„
J
tnn
lf»\A/
Recheck the
volume
settings
you have on
this unit,
and any
amplifier
or mixer you have
50Unu XOO low
connected.
Can sound be heard through headphones?
If
so,
then you
may have
a cord that
is
damaged,
or the amplifier
or mixer you have con-
nected
is
the source
of the
problem.
Check
the
cable{s)
being
used,
and
the
equipment you have
connected.
9
Are you sure
you do not have the
Local Control
MIDI parameter
set
to
OFF?
Set
it
to Local
ON
(» p.35).
Are you
sure the value
set
for Master/Parts
is
not too low?
Recheck Master
Level
(» p.20)
and
Part Level
{» p.
22).
Is it
possible
that the
volume
for Parts
is
being
set
too low
as a result
of
Volume
messages
received
from an external device?
Try
changing
the Part.
Are you
sure
the Transmit channel
is
matched with the
Receive
channel used by the
other device?
Refer to
"Transmit
Channel"
(»
p.
34),
and "Receive
Channel"
(»
p.35).
The
Ditch
is
not
riaht
^
Could the setting for
Master Tuning
possibly
be
wrong?
Check
the setting.
Are you sure
you
don't
have Transpose
set to
"ON"?
Press
(TRANSPOSEl
to turn
it
OFF.
9
Is
the
setting for
Key
Shift
appropriate?
Check
the setting (»
p.
23).
Is it
possible that
Bender messages are
being
continually received?
Try
moving
the
Bender/Modulation Lever.
Tones
don't
chanae
^
^''^ y°" ^"'^^
y*^"^
^^
"°*
^^^^
''^^^' ^*^"*''°' ^^* ^°
^^^^
^
Set
it
to Local
ON
(» p.35).
properly
Could
you have
the
Tone Change Receive Switch
set to
OFF?
Set
the Tone
Change
Receive Sw/itch
to
ON.
Could you
possibly
be
in
the
ROM
Play
mode?
Press [LEVEL]
and [PAN] simultaneously
to exit
the
ROM
Play
mode.
Effects
do
not
work
•
^""^
y^^
^"''^
^^^
'®^^' ^^* ^°''
chorus/Reverb
for Master/Parts
is
not too low?
Recheck the
settings.
Are the
indicators
on
relevant Effects
On/Off switches (Chorus, Reverb) lighted?
Press
their
buttons to turn
them ON.
45