Yamaha disklavier MX-100A, Руководство по обслуживанию

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Disassembly Procedure
1. Removing the Case Parts and Action
When tuning:
1) Open and lock the Top Board.
2) Loosen the screws and securing fasteners on the
inside of the left Side Board. (See Figure 1.)
3) Remove the Upper Front Board.
4) Remove the Fall Board.
5) Remove the Muffler Assembly.
When regulating:
6) Remove the Key Stop Rail.
7) Remove the three screws shown at (A) in Figure
2, and the bolt shown at (B). Remove the Key
Stopper Assembly.
Figure 1.
Figure 2.
Figure 3.
Figure 4.
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8) Remove the stopper screw from the Lower Front
Board Spring.
9) While pressing on the spring, pull the knob
towards you, and remove the Lower Front Board.
(See Figure 3.)
Removing the piano action:
10) Disconnect the four connectors from both sides
of the action bracket.
11) Take off the knob bolt, and remove the action
unit. (See Figure 4.)