Yamaha U3-SILENT Manuale di servizio - Pagina 5

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DISASSEMBLY PROCEDURE

Case & Keyboard

Upper Front Board

(time required: about 3 minutes)

1-1 Open the top board. (Fig. A-1)

1-2 Next turn the left and right upper front board stopper.

The upper front board can then be removed. (Fig. A-2)

Top board

Fall board

(Fig. A-1)

Lower Front Board

(time required: about 1 minutes)

2-1 While pressing the spring, pull the knob. The lower

front board can then be removed.

(Fig. A-3)

Key Stop & Keybard.

(time required: about 25 minutes)

3-1 Remove the upper front board. (See Procedure A-1)

3-2 Open the fall board upright; then remove it upward.

3-3 Remove the tow (2) screws marked [A] and the

hexagonal nut marked [B]. The key stop rail can then

be removed. (Fig. A-5)

3-4 Remove all keys. (Fig. A-6)

When removing the keyboard, take car not to damage

the key shutter attached to the keyboard. Also take

care not to dame the key shutter when putting down

the removed keyboard. (Fig. A-7)

[A]

Upper front board

Spring

Knob

[B]

[A]

Upper front

board stopper

(Fig. A-2)

Lower front board

(Fig. A-3)

Fall board

(Fig. A-4)

Key stopper

(Fig. A-5)

SILENT SB SERIES