Assembly - Yamaha CLAVINOVA CVP-105 Service Manual

CVP-105
15 Disassembling the Keyboard
15-A Take the keyboard unit out of the main unit. (See
Procedure 8.)
* After inserting a round stick (Rod: TX000670)
between the frame and key, remove the circuit
boards. (Fig. 19)
15-B AEXL88 L
Remove the AEXL88 L circuit board by removing
the seven (7) screws marked [260A]. (Fig. 20)
15-C AEXL88 H
Remove the AEXL88 H circuit board by removing
the ten (10) screws marked [260B]. (Fig. 20)
* Keys can be removed without removing the circuit
boards.
* After removing the AEXL88 L and AEXL88 H
circuit boards, and the rubbers can then be removed.
Insert a round
stick before removing
circuit boards.
Rod (TX000670)
(Fig. 19)
Thin metal plate etc
(Fig. 21)
Spring
Hook
(Fig. 23)
12
15-D White key
Insert a thin plate between white keys, near the
triangle mark around the fulcrum of the key, and
press down the stopper marked [A] to remove the
key. (Fig. 21, 22)
* Take care not to damage the key spring when
removing a key.
* A black key can be removed after the white keys on
either side have been removed.
15-E After a key has been removed, push the key spring
down once to take it out of the hook. (Fig. 23)
Place the keyboard assembly upside down and peel
away the stopper L88. The hammer of the white key
can then be removed. (Fig. 24)
* The hammer of a black key can be removed in the
same manner.
Keyboard assembly
AEXL88 H
AEXL88 L
[260A]
[260B]
[260]: Bind Head Tapping Screw-P 3.0 x 10 MFZN2 (VT413400)
(Fig. 20)
White key
[A]
Spring
(Fig. 22)
Hammer of the white key
Stopper-L88
(Fig. 24)
16 Assembling the Keyboard
16-A Place the keyboard assembly upside-down, insert a
hammer assembly into the frame, and put the
stopper (L88) on. (Fig. 25)
* There are four kinds of hammers that differ in
weight.
16-B Place the keyboard assembly rightside up. Fix key
springs on the frame by setting one at each slit and
pushing down once on each key spring. (Fig. 25, 26)
* Be careful of the direction of the spring.
Hammer of the white key
Stopper-L88
Frame
(Fig. 25)
White key
[E]
Spring
[F]
Key guide
(Fig. 27)
16-C After a key has been fit to part [F] and key guide,
make sure that the spring is fixed to the key and then
press down part [E] of the key. (Fig. 27)
16-D Tighten the seven (7) screws marked [260A] to fix
the AEXL88 L circuit board. (Fig. 20)
16-E Tighten the ten (10) screws marked [260B] to fix the
AEXL88 H circuit board. (Fig. 20)
* Install the circuit boards in the keyboard assembly
so that the hooks hold it as shown in figure 28.
up
Spring
Frame
Hook
(Fig. 26)
Keyboard assembly : bottom side
AEXL88 H
AEXL88 L
(Fig. 28)