Roland HP 2700 - Selecting the Transmission;Reception Mode

Dec.
1990
SK-6
Rubber
Switch
Sheet
Difference
Between
Natural
and
Sharp
Contacts
-
—
Height
—
With
rubber
switch
12
PW218—
224
for
SK-6
keyboard,
natural-key
and
sharp-key
contacts
are
made
to different
dimensions.
See
the
figures
below and
note
the
height of
contacts.
When
replacing
contacts,
attach
the
sheet
in
place, i.e.
match
characters
with
keys.
Do
not cut
the sheet
at a
point
other
than
V-cut
with
a
groove.
NOTE
Replacement SK-6
keyboard
and
replacement contact
PCS
are
equipped
with
a
complete
set
of
rubber
sheets.
Sheets
are also
available
as separate
replacement.
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SK-
h yf-
l
2
PW2
1
8-224
S K-6
V
y
^
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fztzL.
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NATURAL
KEY
SHARP
KEY
HP-3700/2700
SK-6
KEY
REMOVAL
LEVER
A lever
as
shown
in
Fig. 1 is
required in
SK-6
key re-
moval.
Consult
your local
Roland
service center
for
availa-
bility. If
not
available,
make
a
lever
following
the
in-
structions described
below.
SK-6
Fig.
1
U
SUBSTITUTIVE
LEVER
1.
Prepare
a
length
of
wire
(more than
95mm
or 3.8
in.).
A
paper clip
is
a
most
typical
one.
2.
(If
a
coiled
wire
as
example
of a paper clip.)
Uncoil
and
straigten the wire.
3.
Reshape
the wire
to Fig.
2,
with
the
dimensions
exactly
matching the values given
in
the figure.
4. Prepare
a
separate
key (may
be
a
replacement
to
be
used,
natural
or
black.).
5. Grasp
key
and key
holder at
©
In Fig.
3
with
thumb
and
forefinger
to
allow the
holder
goes to
the bottom.
Retain
tension on
holder
at this
point. And
insert
the
key removal lever
Into
key
to hook
the latch lock.
©
In Fig.
3.
6. Release
key holder.
When
the
holder
remains
locked,
@,
the lever
you made now
passes the
acceptance
test, and
ready
to work
on the
keyboard.
1
.
&$lt95nma±)
^5
o
-
^
(c?
I
o
Fig.
3
7
^
^m^j:hOKX-to
Fig.
2
DIMENSIONS IN
FULL
SCALE
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19