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JVC KB-700 - Troubleshooting

JVC KB-700
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TROUBLES
HOOTING
What seems
to
be a
matfunction
is
not
always serious;
in
case
of
trouble, check
the
following before calling for service.
is
not
audible.
arpeggio
nor
rhythmie
accompaniment
are
audible.
.
SOLO
SYNTHE
PRESETS
are
not
audible,
ße
input
to
the
MIC
IN
terminal
is
not
audible.
.
The
Fascinating
Chord
automatie
accompaniment
cannot
be
stopped.
The
Fascinating
Chord
automatie
aceompaniment
stops
automatically,
Is
the
corresponding slide
control
of
the
STEREO
PAN
its
battom
position?
(see
page
4)
Those sounds are produeed
only
during
automatie
aceompaniment
(Fascinating
Chord
ONE
FINGER,
MULTI-FINGER
or
Compueorder
REPLAY
mode) and when
the
Auto
Rhythm
is
started.
Is
the
SOLO
CANCE
L
button
depre5sed?
15
the
MIC
VOL
control
adjusted
The
CHORD
MEMORY
button
may be
rlelnr.,.
••
,rl
The
SYNCHRO
START
button
may be depressed and
the
CHORD
MEMORY
button
not:
In
this
case,
the
rhythm
and aecompaniment
continue
only
when
an
aceompaniment
key
is
depressed. (p.9)
r---~----
-~~-"'-----------I--------------------------"~------I
The
KEY
SPLIT
button
does
not
function.
Is
the
KB-700
using
the
Fascinating
Chord
or
Compueorder7
A
Key
Split
mode
(1
or
2)
is
always engaged
during
a Fascinating
mode
(ONE
FINGER
or
MULTI
FINGER).
(P. 9)
The
Key
Split
is
always
in
the
FULL
mode when replaying
with
Compueorder.
(p. 14)
Bass
and
arpeggio
of
the
Fascinating
Chord
MULTI
Possibly
the
chord
played
by
the
left
hand
is
other
than
the
nine basic
._F_I_N_G_E_R_m_o::e_~ar~e~n~o~~ne
In
recording, the
Compucorder
employs
both
the
Fascinating
Chord
and
Auto
Rhythm
functions.
It
is
thus necessary
to
start
the
rhythm
for
(p.13)
with
the
ch_o_r_d_s.
____
+-_c_h_o_rd_s_o_f_t_h_e_m_ic_ro_c_o_m_
p
'--u_t_e_r_
.;..(p,,-p_,
_1_4.:.-,
_'
0_1
-----------------1
Chords
replayed
by
the
Compucorder
are
so
me- Possibly
the
chords may be
other
than
tlTe
nine basic chords
of
the
times
different
from
those
played
orignally
when
microcomputer.
(pp, 14,
10)
I
recording.
Chords
a-re-n-o~t-re-corded
by
tOO
Compucorder,
The
Ultra
Chord
effect
functions
only
when
a
chord
is played
by
the
accompaniment keys, except when replaying
Compucorder
with
which
automatically.
(p.
11
)
The
Ultra
Chord
harmony
is
not
audible.
effect
is
executed
only
with
the
Organ end Jazz Organ
PRESETS.
(p.
7)
The
Tremolo
does
not
rurlcuon.
TheTOTAL
VOLUME
control
may be
too
high; set a
little
lower,
(P. 3)
When sound
trom
connected equipment
Is
distorted,
also cheek
the
TOTAL
VOLUME
control
of
the
KB-700.
Keep
the
TOTAL
VOLUME
around
the
mid
position
and increase
the
lIolume
with
the
controls
of
the
connected
equipment.
(P.
161
.
Sound
is
distorted.
SOLO
SYNTHE
PRESETS
are
out
of
tune.
The
adjustment
of
SOLO
PITCH
control
may
not
match
that
of
the
MAIN
PITCH
control.
16)
SAFETY PRECAUTIONS
Power should be supplied to
the
KB-700 from an ordinary
household
AC
outlet.
To avoid malfunctions or accidents,
use only
the
power cord provided.
Carefully handle all power and connection cords:
To disconnect, be sure
to
grasp
the
plug,
not
the
cord.
Never handle cords
with
wet
hands.
Avoid unnecessary or excessive bending
of
the
cords.
00
not
damage
the
cords.
Never splice cords.
Oisconnect
the
power cord immediately
in
the event
of
an electrical storm.
Even
with
the power switched
off,
the
KB·700 uses a small
amount
of
current.
If
you do
not
use the instrument for
a long per iod
of
time,
disconnect
the
power cord for safety.
00
not
open the KB-700,
or
attempt
any adjustments
or
repairs
of
its internat components; a serious accident or
malfunction could result.
For maintenance
and
repairs, leave
the
matter to a qualified
JVC dealer.
To prevent accidents or malfunctions, avoid using
the
KB-700 under
the
following conditions:
Prolonged exposure
to
direct sunlight.
In
environments where the temperature exceeds 40° C or
falls below _5°C.
Under high-humidity conditions.
Near a heater, stove, fireplace or other heat source.
In
extremely dusty environments,
or
places subject
to
vibrations.
Near a TV set.
Never leave the instrument
in
a car
on
a hot day
as
mal-
functions or external damage may result.
To clean
the
KB-700, use a dry cloth, or one moistened
with
water
or
a neutral detergent.
Never use benzine or thinner, as
they
may crack, discolor ,
or otherwise damage
the
surface finish.
17 -

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