Roland HP 2700 Service Notes page 20

HP-3700/2700
SK-6
KEY REMOVAL
Natural
Key
(Fig. 1)
1.
Depress and hold the key at the front
end
©
and
then insert
key removal
lever
@
so
that its tip
goes
below the latch
lock.
Leave the
lever in
this state.
2. While lifting
up
the
key
front
with one hand ®, press
the
rear
end of the key to more the key toward
front of the unit @.
SK-6 +-lS^U:^(Fig.1)
Black Key
MS
1.
Follow step
in
1
above.
j
L.
2. Lift
key
at
front
(3)
and then
move
it
toward the rear
of tho.nitre^
2.
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Fig.
1
SK-6
KEY REASSEMBLY SK-6 (Fig.2)
*
Mounting
a
key does not require the key removal
lever.
Natural Key/Black
Key
(Fig. 2)
1
.
Finger-pinch the
key and key
holder at
®
.
Press
and
release the button
on
the holder and verify the
smooth operation. Pressing the holder to the bottom
makes
a
mechanical
noise.
This
will
not occur once
installed
on the keyboard whose mechanism prevents
extensive key swing. Refer
to '"Hints
On
Key
Mounting",
as necessary.
2.
Engage
the
forward hook on
the
key
in the
key
chassis bracket
@
.
3a. Natural
Key
Depress the
key on
the rear
and move
it
toward the
rear
of the unit
untill
key holder tip engages with
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X
v
ic
5i< Hlgli:
"+-5Sgl±®ty
h
2.
+-®ml3g^(D®^(c#'f
Kic^Tio
3a.
SSI
+ Lolt
''.f
*>^>®®:^|^(C
X
7
-f
K$-S^>o
chassis notch.
@
.
3b. Black Key
Depress the key on the
rear
and move
it
toward
the
front of the unit
untill
the blade on
the
key engages
with
chassis notch.
0
.
4.
Check
the
key
for noise
and
dragging. For corrective
adjustment,
if
necessary, refer to "Hints
On Key
3b.
mm
+ -®^^^T-^jf
Lo(f
/.f*>ii®CD:^|pO(c
X
7
4.
-y
"
+-^m±
con
y
h
"
Dec.
1990
Hints
On
Key Mounting
Key Noise
(Figs.
1
and
2)
1.
There
is
a possibility
that
a virgin
key makes
a noise
as
it is
played. This
is
because
the rough button
0
on
the
key cannot
fit
into chassis hole, leaving
clearance
0
between key bottom and
chassis.
Pressing the key several times
will
smooth away
button
outer surface.
©+-«§(D«^(Fig.1,2)
2.
The
spring, having been not properly
inserted
onto
protrusion(s)
©
,
®
on the key
holder,
may make
a
noise or cause disturbed key
stroke.
To
check the
spring
first
remove
the key, then open the key holder
. . .
grasp holder around
the button and
pull straight.
To
reinsert the spring,
first slip
spring end onto
protrusion
©
.
Leave the spring
as
It
rests against
holder by
Its
gravity. Align spring end with
protrusion
@
and
close the holder.
2.
TSOflas©
,
'j
y ^
h
oTl''
Fig.
2
Dragging
Key
(Fig. 3)
A
torque
grease
is
applied to portion
©
.
Wipping
off a coat of grease
makes
key touch
lighter.
NOTE: A
different kind of grease
is
used on portions©.
(Fig.
3)
®
Torque
grease
h
'j
x
(G-424F
type)
®
Machine
grease
7
.
(G-336A type)
20