Yamaha YDO-323 Service Manual page 12

YDP-323
Pedal Box Assembly
●
23. Disassembling the Keyboard
* After inserting a round stick (Rod: TX000670) between
the frame and the keys, remove the circuit boards.
(Fig. 21)
GHD EBUS L, MK SUB Circuit Board
23-1
Remove the seven (7) screws marked [260A]. The
GHD EBUS L and MK SUB circuit boards can then
be removed. (Fig. 22, 22-1)
23-2 GHD M Circuit Board
Remove the five (5) screws marked [260B] and the
screw marked [262]. The GHD M circuit board can
then be removed. (Fig. 22)
GHD H Circuit Board
23-3
Remove the four (4) screws marked [260C] and the
screw marked [262]. The GHD H circuit board can
then be removed. (Fig. 22)
* Keys can be removed without removing the circuit
boards.
* After removing the GHD EBUS L, GHD M and GHD H
circuit boards, and the rubbers can then be removed.
GHD H
[260C] [262]
[260]: Bind Head Tapping Screw-P 3.0x10 MFZN2 (VT413400) or
Bind Head Tapping Screw-P 3.0x10 MFZN2W3 (WF001000)
[262]: PW Head Tapping Screw-P 3.0x10-10 ZMC2W3 (WF765500)
12
Pedal assembly
[7B]
[7B]
[7B]: Bind Head Tapping Screw-1 4.0X14 MFZN2W3 (WE971900)
[8]: Truss Head Tapping Screw-1 4.0X12 MFZN2W3 (WF745900)
GHD M
MK SUB
[260B]
Fig. 22
[7B]
[7B]
Fig. 20
GHD EBUS L
[260A]
[8]
Round stick
(Rod: TX000670)
Fig. 21
MK SUB GHD EBUS L
Fig. 22-1