Yamaha CLAVINOVA CLP-120 Service Manual page 17

24. Disassembling the GHD Keyboard
(Time required: about 20 min)
* After inserting a round stick (Rod: TX000670)
between the frame and keys, remove the circuit
boards. (Fig.23)
24-1 Remove the keyboard assembly. (See Procedure 12)
24-2 GH-D_SW L circuit board.
Remove the seven (7) screws marked [260a]. The
GH-D_SW L circuit board can then be removed.
(Fig.21)
24-3 GH-D_SW H circuit board.
Remove the ten (10) screws marked [260b]. The
GH-D_SW H circuit board can then be removed.
(Fig.21)
* Keys can be removed without removing the circuit
boards.
* The rubber contact can be removed, after GH-D_
SW L circuit board and GH-D_SW H circuit board
are removed.
24-4 White Key
Insert a thin plate between the white keys, near the
triangle mark around the fulcrum of the key, and
press down the stopper marked [A] to remove the
key. (Fig.22 and 23)
* Take care not to damage the key spring when
removing a key.
* A black key can be removed after both adjacent
white keys have been removed.
24-5 Hammer, White Key
After a key has been removed, push the key spring
down once to take it out of the hook. (Fig.24)
Place the GH keyboard assembly upside down and
peel away then stopper L88W. The hammer of the
white key can then be removed. (Fig.25)
* The hammer of a black key can be removed in the
same manner.
GH-D_SW L Circuit board
(Fig.21)
[260]: Bind Head Tapping Screw-P 3.0X10 MFZN2 (VT413400)
White key
(Fig.23)
Keyboard assembly
GH-D SW H Circuit board
[260a] x 7
[260b] x 10
Key Spring
Spring
Rod : TX000670
Stopper L88W
Hook
(Fig.24)
Thin metal plate etc.
Triangle mark
(Fig.22)
Hammer, White Key
(Fig.25)
CLP-120
17