Yamaha Vintage DX7 Special Edition ROM Gebruiksaanwijzing - Pagina 32
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Referring to FIGURE
A2,
locete the RDM
ICm
UCI4
end
IC IS?
.
Th..e RDM
ICe
.re loceted the h.«r the
center
of
the Hein Circuit bo.rd
(the
DM
Before removing the RDM
IC*.
note the direction
of
the notch
on IC14 for
^ure
reference.
Remove the
IC14 end
IC15 ROM
IC«
by utilising the SMALL
FLAT -BLADE
acrewdri
ver
to
carefully
P
r y
th«
1
lose
froff
their reapective aockete.
i
octtc the tNO
10
OHM RESISTORS between
IC30 and
XC27 that
are
ihwn
in
FIGURE
A3,
I
Uming
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IRON
,
unaolder and wove both leads
**
ch
resistor over one eyelet to the right
tmmm
FIGURE
A3).
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