Yamaha Portable Grand DGX-530 Manual page 9

2. DM Circuit Board
(Time required: About 10 minutes)
2-1 Remove the lower case assembly. (See procedure 1.)
2-2 Remove the four (4) screws marked [440A]. The DM
circuit board can then be removed. (Fig.4)
Speaker
TW
(R)
(Tweeter(R))
[440B]
3. TW Circuit Board, Speaker (Tweeter)
(Time required: About 9 minutes)
3-1 Remove the lower case assembly. (See procedure 1.)
3-2 Remove the two (2) screws marked [440B]. The TW
circuit board and speaker (tweeter) can then be removed.
(Fig.4)
* The left and right speakers (tweeters) can be removed in
the same way.
4. PB Circuit Board, Wheel Assembly
(Time required: About 9 minutes)
4-1 Remove the lower case assembly. (See procedure 1.)
4-2 Remove the two (2) screws marked [440C]. The PB
circuit board and the wheel assembly can then be re-
moved. (Fig.4)
* Make sure to mount the wheel assembly on the volume
shaft of the PB circuit board by firmly inserting it into the
shaft.
[440A]
DM
Upper Case
(Fig.4)
[440]: Bind Head Tapping Screw-B 3.0X8 MFZN2W3 (WE774300)
PSW
[440D] [440E]
AM
5. AM Circuit Board
(Time required: About 10 minutes)
5-1 Remove the lower case assembly. (See procedure 1.)
5-2 Remove the eight (8) screws marked [440D]. The AM
circuit board can then be removed. (Fig.4)
6. PSW Circuit Board
(Time required: About 9 minutes)
6-1 Remove the lower case assembly. (See procedure 1.)
6-2 Remove the two (2) screws marked [440E]. The PSW
circuit board can then be removed. (Fig.4)
7. DJACK Circuit Board
(Time required: About 10 minutes)
7-1 Remove the lower case assembly. (See procedure 1.)
7-2 Remove the three (3) screws marked [440G]. The
DJACK circuit board can then be removed. (Fig.5)
DGX-530/YPG-535
Speaker
TW
(L)
(Tweeter(R))
[440B]
PB
[440C]
Wheel Assembly
9