Yamaha Tyros4, Руководство по обслуживанию

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21
Tyros4
KEY STOPPER L KEY STOPPER H KEY STOPPER 61
REMOVE SCREW
[240A] X 2, [240B] X 1 [240B] X 1, [240C] X 2 [240D] X 2
Table 1
KEY STOPPER L
KEY STOPPER H
KEY STOPPER 61
[240A]
[240B] [240C]
[240C] [240D] [240D]
RUBBER CONTACT 13 KEY
(C1-C2)
RUBBER CONTACT 12 KEY B
(C3-C4)
RUBBER CONTACT 12 KEY D
(C5-C6)
RUBBER CONTACT 12 KEY A
(C2-C3)
RUBBER CONTACT 12 KEY C
(C4-C5)
C1 C2 C3 C4 C5 C6
MK61L
MKH-D
EMKS-FD
C#2 C#3 C#4 C#5
27. Installing Keys (White and Black Keys)
27-1
Black key
27-1-1 With the white keys to the right and left sides removed,
lower the front end of the horizontal black key and fi t it
into the frame while pushing it rearward.
* At this time, pay attention not to bend the key guide
cap by lowering the front portion of the key too
much. (Photo 6)
27-2
White key
27-2-1 After installing the black keys, install the white keys in
the same way as the black keys.
(See procedure 27-1.)
27-3 Install the removed key stoppers.
(Table 1, Fig. 20)
28. Disassembling Keyboard Assembly
28-1 Separate the uppur case unit and lower case unit.
(See procedure 1.)
* Be sure to remove the DM cover.
28-2 Remove the MK unit. (See procedure 25-2.)
28-3 Rubber Contact
28-3-1 Remove the key stoppers and keys listed in the table
2, corresponding to the rubber contacts to be removed.
(Table 2,
fi g. 20) (See procedure 26.)
28-3-2 Pull out the rubber contact. (Fig. 20)
* The orientation of rubber contacts on the keyboard
is previously designated. Pay attention not to install
the rubber contacts inversely. (Fig. 21)
* When installing the rubber contact, push it with the
end of a clip. (Photo 7)
KEY GUIDE CAP
KEY SPRING
Photo 6
Fig. 20
Table 1