Yamaha DTXPRESS, Service Manual

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8
DTXPRESS DTXPRESS
1 Top Cover
1-1 Remove the five (5) screws marked [50]. The top
cover can then be removed. (Fig. 1)
2 Front Panel Unit
2-1 Remove the top cover. (See Procedure 1.)
2-2 Remove the four (4) screws marked [10c]. The front
panel unit can then be removed. (Fig. 3)
3 JK Circuit Board Assembly
3-1 Remove the top cover. (See Procedure 1.)
3-2 Remove the four (4) screws marked [C6]. The JK circuit
board assembly can then be removed. (Fig. 2)
DISASSEMBLY PROCEDURE
[50]
Top cover
(Fig. 1)
[50]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)
[50]
[50]
[50]
[50]
(Fig. 2)
[C6]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)
(Fig. 3)
[10c]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)
[10c ]
[C6]
[10c ]
[C6]
JK
Front panel
4 DM Circuit Board Assembly
4-1 Remove the top cover. (See Procedure 1.)
4-2 Remove the front panel unit. (See Procedure 2.)
4-3 Remove the JK circuit board assembly. (See Procedure 3.)
4-4 Remove the eight (8) screws marked [C3] and the two
(2) screws marked [C4]. The DM circuit board assembly
can then be removed. (Fig. 4)
5 LCD Circuit Board Assembly
5-1 Remove the top cover. (See Procedure 1.)
5-2 Remove the front panel unit. (See Procedure 2.)
5-3 Remove the four (4) screws marked [4]. The LCD circuit
board assembly can then be removed. (Fig. 5)
6 AUX Circuit Board Assembly
6-1 Remove the top cover. (See Procedure 1)
6-2 Remove the front panel unit. (See Procedure 2.)
6-3 Remove the two (2) screws marked [6]. The AUX
circuit board assembly with AUX stay can then be
removed. Remove the two (2) knobs marked [A], the
two (2) hexagonal nuts marked [B] and the screw
marked [5c]. The AUX circuit board can then be
removed. (Fig. 5)
7 PN Circuit Board Assembly
7-1 Remove the top cover. (See Procedure 1)
7-2 Remove the front panel unit. (See Procedure 2.)
7-3 Remove the two (2) screws marked [A9], the panel
stay and the three (3) screws marked [B9]. The PN
circuit board assembly can then be removed. (Fig. 5)
(Fig. 4)
[C3]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)
[C4]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[C4] [C3]
[C3]
[C3]
DM