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Non the SPECIAL EDITION ROM
can
be
1
nM ^*
d
*
IC14 socket.
Before inserting
the
SPECIAL EDITION ROM
take
note, of
the direction
of
the notch-
The notch
of
the SPECIAL EDITION
RDM
should also face
or point
in
the
direction
of
the right eide
of
the
DX7.
f
J
T*
k
*
.""Tf.
the pine
of
the SPECIAL EDITION ROM are
all
aligned njth
holes
of
the JCI4 socket.
If
some pins are
not
ir»
the
proper position for inserting, then before inserting tne
SPECIAL EDITION
ROM,
e.r.fully b.nd th. pin. to th.lr
proper poaition.
Once the notch end
pm.
o4
the SPECIAL
EDITION ROM ere properly pomittoned then c.relully
in.ert the ROM
IC.
In.pect yoor work
thoroughly
to
eake
.ure th.t
no pins have
been bent under
or
daeaged during
insertion.
<7>
Make a quick operational test
of
the DX7 by closing the
front control panel and plugging the
power.
cord
of
the
DX7 into an
.AC
outlet.
Turn on
the
DX7, the LCD display
should initially
read*
WELCOME TD
DX7
SPECIAL EDITION
..
and-..
then the LCD display should indicate the
previous mode
or
condition that was lest set-up on the
front control panel.
Make
.sure
that you can select
various
voi
ces..and.
pi
ay the keyboard
to verify
that the
DX7
produces
a
sound when an amplif
ier or
pair
of
headphones
is connected
to
the.
unit-
If
the LCD display
does
not
indicate the above conditions,
or
the
DX7 does
not produce
a
sound, then turn OFF the power
of
the DX7
and refer to the
TROUBLESHOOTING SECTION found
in
APPENDIX
B
on
Page
32.
c
B)
Once you have verified the basic operation
of
the DX7
then turn off the power and reinstall the
5 front
control panel retaining screws.
Remember the shorter
•crew
is
to be reinstalled next
to the power awitch.
Now you »r* ready too explore the advantages
of
the SPECIAL
EDITION ROM
•
In
this section the Operational Procedures
of
the SPECIAL
EDITION RDM
will
be
described
in
detail.
It
say
be helpful to
follow along with the DX7 turned
DN,
so that you can
go through
the procedures
of
implementing the additional functions
of
the
SPECIAL EDITION RDM-. Only the edditional functions
will
be
described in detail.
The FUNCTION JOB TABLE on PAGES 26 to 20
will
provide you
with
an overall picture
of
all the
Functions
of
the DX7.
Referring to FIGURE
3 on
the next page, the procedure
fo-
-
7
-
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