Yamaha YDO-323 Service Manual page 8

YDP-323
9. Rack (L, R)
(Time required: About 3 minutes each)
9-1 Remove the top board assembly. (See procedure 3)
9-2 Remove the key cover assembly. (See procedure 8)
9-3 Remove the three (3) screws marked [S06]. The rack
L can then be removed. (Fig. 8)
* The left and right rack can then be removed in the same
manner.
<Left side view>
Stopper rail
assembly
Guide rail L
Arm
[S03]
assembly L
[S03]: Bind Head Tapping Screw-1 3.5X16 MFZN2W3 (WE970700)
[S04A]: Truss Head Tapping Screw-1 3.5X25 MFZN2W3 (WE970200)
[S06]: Bind Head Tapping Screw-1 3.5X20 MFZN2W3 (WE971500)
[S13B]: Bind Head Tapping Screw-1 3.5X12 MFZN2W3 (WE970900)
[S08] [S01] [S13C]
[S02]
End block assembly L
8
Back top board
assembly
Rack L
[S06]
[S06]
[S13B]
Fig. 8
[S01]
Keyboard assembly
[S01]: Pan Head Screw 5.0X25 MFZN2W3 SW (WF001500)
[S02]: Bind Head Tapping Screw-1 4.0X14 MFZN2W3 (WE971900)
[S08]: Bind Head Tapping Screw-B 4.0X10 MFZN2W3 (WE974500)
[S13C]: Bind Head Tapping Screw-1 3.5X12 MFZN2W3 (WE970900)
10. Stopper Rail Assembly
(Time required: About 5 minutes)
10-1 Remove the top board assembly. (See procedure 3)
10-2 Remove the key cover assembly. (See procedure 8)
10-3 Remove the rack L and R. (See procedure 9)
10-4 Remove the two (2) screws marked [S13B] each from
both sides of the assembly. (Fig. 8)
10-5 Remove the six (6) screws marked [S13C] . The stopper
rail assembly can then be removed. (Fig. 9)
11. End Block Assembly (L, R)
(Time required: About 5 minutes)
11-1 Remove the top board assembly. (See procedure 3)
11-2 Remove the key cover assembly. (See procedure 8)
11-3 Remove the rack L and R. (See procedure 9)
11-4 Remove the stopper rail assembly. (See procedure 10)
11-5 Remove the screw marked [S08]. (Fig. 9)
[S04A]
11-6 Slide the end block assembly L backward and lift it
out.
* The left and right end block assembly can then be
removed in the same manner.
12. Keyboard Assembly
(Time required: About 10 minutes)
12-1 Remove the top board assembly. (See procedure 3)
12-2 Remove the key cover assembly. (See procedure 8)
12-3 Remove the rack L and R. (See procedure 9)
12-4 Remove the stopper rail assembly. (See procedure 10)
12-5 Remove the end block assembly L and R.
(See procedure 11)
12-6 Remove the nine (9) screws marked [S01] and the two
(2) screws marked [S02]. The keyboard assembly can
then be removed. (Fig. 9)
[S13C]
Stopper rail assembly
Fig. 9
[S01] [S13C] [S01]
[S02]
End block assembly R