Yamaha SPX990 Service Manual page 7

SPX990
DISASSEMBLY
PROCEDURE
1
Top Cover Removal
1. h
*y
M
Remove
the
seven
(7)
screws marked[430j, then the
j.j
[430]cOt
L.
i*
y
7'
L
s
1*0
top cover can be
removed
(Fig. 1)
(151
1
)
|430):Bind
Head Tapping Screw-B (+/< f
>
K B
?
<
h )
A3 0X8
ZMC2BL
(VP1
57000)
(Fig-1
)
2 Front Panel
Assembly Removal
2-1
Remove
the
top cover
(see
procedure
1)
2-2
Remove
the three
(3)
screws marked
[300]
and the
two
(2)
screws
marked
[310]. (Fig. 2)
2-3
Remove
the two(2)
knobs marked
[320]
and
[330],
then
the front
panel
assembly can be removed.
(Fig. 3)
2.
y
U>
V
2-1
\
2-2
[300]fi0l-
Ltto
(m2)
2-3
[32o]£7)n77'
= 5
y
>• [
;i/Assy
$
S'}-
L
S To
(l'^I
3
)
[3001:Flat
Head Tapping Screw-C
{+MC?-f
h)
3
0X6 ZMC2BL
(VP733400)
(Fig. 3)
10
SPX990