Yamaha Vintage DX7 Special Edition ROM Instruction Manual - Page 6
Browse online or download pdf Instruction Manual for Musical Instrument Yamaha Vintage DX7 Special Edition ROM. Yamaha Vintage DX7 Special Edition ROM 43 pages. Digital programmable algorithm synthesizer
Also for Yamaha Vintage DX7 Special Edition ROM: Performance Notes (8 pages), Operating Manual (34 pages), Owner's Manual (35 pages), Service Manual (17 pages), Installation Manual (7 pages)
n»7 special EDITIO
N
ROM
TNSTRIQMJN
BUIP£
EDITION ROM require.
a
particular
l.v.l
of
gii
or
make
a
copy
of
the Voices befors installing ths
ROM.
Also,
if
you find that your DX7 ham 2 SYSTEM
RDM
1C»
lidentifled by
XC
damlgnationm
ICI4 l 1CIS
"
board
>
than your unit naadm furthar •edification bsf
ore
jntttl
ling
the SPECIAL EDITION
ROM.
This •odi
f i
cation
will allow
leZ Vo
u«
a
single RDM
IC
in.ta.d
of
2
RDM
1
C.
-nd it^i. only
necessary
for a
faw vary marly production
R^alm.
In
*l«omt
all
camae this modification
will not
ba nacammary.
Sarial numb
ar
a of
^pUcl^
DX7 unit. ar. giv.n
in
APPENDIX
A,
how.
var.
omasum
t.
m.v hava alraady baan modified.
When you gain accamm tD the
Tntarn^
circuitry
of
the DX7, you will ba able to v.r
*«*•*•*£'
Dr
not you need to hava thta modification dona.
If
your
wit
hi*
only ona ROM
1C,
which
is
insertad into tha IC14 sockat, and
IC15
is NOT
present than tha modification
ia
NOT necessary
Clnot
words,
NO
IC1S
- NO MODIFICATION).
If
there are two ROM
ICs,
on.
in
tha
1C
1
4
sockat and ona
in the
IC15 sockat
ln
th
_
modification
Is required.
If
you
do not
have experience
In th.
area
of
soldering and handling electronic components
then this
modification
and the SPECIAL
EDITION ROM installation shou
d
be
performed by
a
Qualified Service Technician.
Once
again,
if
your
unit requires this modification REFER TO
APPENDIX
A,
Pag.
29.
In
order to prepare th- DX7 for the SPECIAL EDITION
ROM
installation, the
only tools you
will
head
are,
(DA
PHILLIPS TYPE SCREW DRIVER
..and...
(2)
A
SMALL FLAT-BLADE SCREW
DRIVER.
If
your DX7 naads furthar modification as
previously
mentioned, you will read additional tool,
and
thay
ar.,
11)
A
SOLDERING
IRON
12)
A
SOLDER VACUUM
OR SOLDER WICK
C3)
SOLDER
•
.and.
a
C4>
NEEDLE-NOBE
PLIERS.
Aft-r obtaining th. proper tool, and p.rf
orming.nyoth.r
modification preparations, you can
than
proceed with the SPECIAL
EDITION RDM installation by following the STEPS
given
belowi
11
)
In
order to avoid th. possibility
of
electrical shock
and any accidental damage to the unit,
make sure that
"
4 -