Disassembly Procedure; Mix Circuit Board; Sub Circuit Board; Right Side View - Yamaha EMX 660 Service Manual

EMX660

DISASSEMBLY PROCEDURE

1

MIX circuit board

1-1 Remove the six (6) screws marked [30]. The panel
assembly can then be removed. (Fig. 1)
1-2 Remove the four (4) screws marked [P130]. The
shield case can then be removed. (Fig. 1)
1-3 Remove the forty-three (43) knobs, the thirteen (13)
special hexagonal nuts and the thirteen (13) screws
marked [P90]. (Fig. 1)
1-4 Remove the twelve (12) screws marked [P40]. The
MIX circuit board can then be removed. (Fig. 1)
2

SUB circuit board

2-1 Remove the panel assembly. (See Procedure 1.)
2-2 Remove the shield case. (See Procedure 1.)
2-3 Remove the SUB circuit board from the seven(7)
spacer supports marked [P110]. (Fig. 1)

Right side view

[50] [P130]
Power Power Power
transformer transformer transformer
[P130]
12
Front panel
[P40]
[30]
[P90] [P90]
Rear panel
[70]
[30]: Bind Head Screw 4.0X8 MFZN2BL (EG340360)
[50]: Bind Head Screw SP 5.0X10 MFZN2BL (VU688100)
[70]: Bind Head Screw 4.0X8 MFZN2BL (EG340360)
[P40]: Hexagonal Button Screw-P 3X25 MFZNBL (V3289800)
[P90]: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300)
[P130]: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300)
[R180]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)
Fig.1
[P40]
MIX
Hexagonal nut [P90]
[R180]
[R180]
Left side view
[P130]
[P110]
SUB
[30]
[P110]
[P110]
[P130]
[70]