Yamaha N-100 Service Manual page 16

N-100
20-2 Spring
Place the keyboard assembly right side up. Fix key
springs on the frame by setting one at each slit and
pushing down once on each key spring. (Fig. 30)
* Be careful of the direction of the spring. It
should be installed with its projecting end facing
upward. (Fig. 30-1)
16
Spring
Frame
Hook
(Fig. 30)
Up
(Fig. 30-1)
20-3 White Key (Black Key)
After a key has been fit to part [G] and key guide,
make sure that the spring is fixed to the key and
then press down part [F] of the key. (Fig. 31)
20-4 GHD EBUS L, MK SUB Circuit Board
Tighten the seven (7) screws marked [260A] to fix
the GHD EBUS L, MK SUB circuit boards. (Fig. 24)
20-5 GHD M Circuit Board
Tighten the five (5) screws marked [260B] and the
screw marked [262] to fix the GHD M circuit board.
(Fig. 24)
20-6 GHD H Circuit Board
Tighten the four (4) screws marked [260C] and the
screw marked [262] to fix the GHD H circuit board.
(Fig. 24)
* When installing the circuit boards, set it under
hooks to align the triangle marks of the circuit
board and projection parts of the frame as
shown in figure 32.
White key
[G]
Key guide
(Fig. 31)
Hook
Triangle mark
GHD M
(Fig. 32)
[F]
Spring
GHD EBUS L