Yamaha CS1D Service Manual page 22

Control panel master
Switch knob A x36
Encoder knob x36
Switch knob B x12
[220] x24
[220]: Flat Head Screw 3.0 x 6 MFZN2BL (EC030030)
[280]: Flat Head Screw 3.0 x 16 MFZN2BL (VL668700)
7. CS ISCPU Circuit Board
7-1 Remove the control panel assembly (IN SEL).
(See Procedure 1.)
7-2 Remove the four (4) screws marked [190]. The CS ISCPU
circuit board can then be removed. (Fig. 4)
8. CS PNIS1, CS PNIS2 Circuit Board
8-1 Remove the control panel assembly (IN SEL).
(See Procedure 1.)
8-2 Remove the CS ISCPU circuit board. (See Procedure 7.)
8-3 Remove the circuit board protect. (Fig. 4)
8-4 Remove the three (3) screws marked [170A]. (Fig. 4)
8-5 Remove the spacer. The CS PNIS1 circuit board can then
be removed. (Fig. 4)
8-6 Remove the ten (10) screws marked [170B]. (Fig. 4)
8-7 Remove the three (3) screws, The CS PNIS2 circuit board
can then be removed. (Fig. 4)
[330]: Flat Head Screw 3.0 x 16 MFZN2BL (VL668700)
Fig. 3
CS1D
[280]
Switch knob C
[280]
Switch knob A x24
[280]
Switch knob C
[280]
Switch knob B x12
[330]
Switch knob D
[330]
Fader knob x12
17