Technics SX-E33 - Page 9

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PRECAUTIONS
FOR
REPAIR
Precautions
for
servicing
in
the
products
of
serial
No.
583BO000,
IC4
(ROM)
used
in
system
assigner
P.C.B.
and
tone
generator
module
P.C.B.
are
used
in
pair.
The
product
is
provided
with
a
caution
label
for
servicing.
So,
use
the
specified
parts
according
to
the
caution
during
servicing.
Details of pair
Special
Parts
General
Parts
System
assigner
P.C.B.
SXPG11274Z
(ROM:
SVIG27128Z)
SXPG11274
(ROM:
SVIG2312821
8)
Tone
generator
module
P.C.B.
SXPG11264Z
SXPG11264
The
ROM
of
system
assigner
P.C.B.
and
the
tone
generator
P.C.B.
mentioned
above
are
used
in
pair,
and
symbol
“Z”
is
attached
to
the
tail
of
part
No.
When
repairing
the
P.C.B.,
use
a
correct
pair
as
in
the
above
table
or
replace
them
with
P.C.B.
without
“Z”
at
the
tail
of
part
No.
[Repair parts]
When
placing
an
order
for
repair
parts,
be
sure
to
specify
the
part
No.
that
provide
correct
pairs.
@
Troubles
often
occur
due
to
faulty
operation
of
your
electronic
organ
if
you
are
not
completely
familiar
with
its
mechanisms.
Therefore,
if
your
organ
shows
‘the
following
symptoms,
please
check
the
instrument
before
repair.
Cause
and
measure
When
fingered
and
memory
button
are
ON,
or
PCC
button
is
ON,
while
rhythm
is
OFF,
if
lower
keyboard
is
played,
then
lower
keyboard
and
pedal
keyboard
will
keep
sounding.
Please
push
the
cancel
button.
Lower
keyboard
on
pedal
keyboard
keep
sounding.
It
is
designed
so
that
upper
and
lower
keyboards
can
make
sound
only
up
to
8
keys
when
harmonic
coupler
is
not
provided.
Priority
is
given
to
8
keys
of
higher-pitched
sound.
Nine
or
more
keys
of
upper
or
lower
keyboard
are
simultaneously
depress-
ed,
only
8
keys
make
sound.
With
harmonic
coupler
provided,
each
keyboard
can
simultaneously
sound
only
up
to
4
tones.
*
Priority
is
given
to
4
keys
of
higher-pitched
sound.
Upper
or
lower
keyboard
makes
sound
only
up
to
4
tones.
Harmonic
coupler
is
effective
only
when
tab
voice
is
individually
used.
For
example,
if
tab
voice
is
used
in
combination
with
string
ensemble,
then
harmonic
effect
will
not
be
given.
Harmonic
effect
is
not
given.
in
flute
2’,
the
highest
tone
(C‘
key)
is
lowered
by
1
octave.
The
highest-pitched
sound
(C*
key)
of
flute
2’
is
in
the
same
sound
range
as
for
the
key
(C’)
of
1
octave
lower.
Lower-pitched
(19
keys)
sounds
of
upper
keyboard
are
different
in
tone
from
the
higherpitched
(25
keys)
sounds.
During
memory
operation
of
voice
setting
computer,
transpose,
and
full-
band
setting
computer,
the
tones
and
effects
of
lower
keyboard
can
be
checked
by
the
19
lower-pitched
sound
keys
of
upper
keyboard.
I-10