Yamaha CS1D Service Manual page 25

CS1D
14. Fader Assembly, CS PNI2 Circuit Board
14-1 Remove the control panel assembly (IN12, IN24, IN36,
IN48). (See Procedure 1.)
14-2 Remove the fader knob. (Fig. 5)
14-3 Remove the two (2) screws marked [210]. The fader
assembly can then be removed. (Fig. 5)
14-4 Remove the screw marked [205]. The CS PNI2 circuit
board can then be removed. (Fig. 5)
15. CS OSCPU Circuit board
15-1 Remove the control panel assembly (OUT SEL).
(See Procedure 1.)
15-2 Remove the five (5) screws marked [860]. The CS
OSCPU circuit board can then be removed. (Fig. 7)
16. CS CUTBVL2 Circuit Board
16-1 Remove the control panel assembly (OUT SEL).
(See Procedure 1.)
16-2 Remove the three (3) knobs marked [A]. (Fig. 6)
16-3 Remove the three (3) hexagonal nuts marked [A]. The CS
CUTBVL2 circuit board can then be removed. (Fig. 6, Fig. 7)
17. CS PNOS2 Circuit Board
17-1 Remove the control panel assembly (OUT SEL).
(See Procedure 1.)
17-2 Remove the CS OSCPU circuit board. (See Procedure 15.)
17-3 Remove the circuit board protect. (Fig. 7)
17-4 Remove the four (4) spacers. (Fig. 6)
17-5 Remove the eight (8) encoder knobs marked [A]. (Fig. 6)
17-6 Remove the eight (8) hexagonal nuts marked [440A]. The CS
PNOS2 circuit board can then be removed. (Fig. 6, Fig. 7)
18. CS PNOS1R Circuit Board
18-1 Remove the control panel assembly (OUT SEL).
(See Procedure 1.)
18-2 Remove the six (6) encoder knobs marked [B]. (Fig. 6)
18-3 Remove the eight (8) screws marked [180A]. The CS
PNOS1R circuit board can then be removed. (Fig. 7)
18-4 Remove the all switches (except SEL switches) on the
circuit board.
19. CS HMVOLA2 Circuit Board
19-1 Remove the control panel assembly (OUT SEL).
(See Procedure 1.)
19-2 Remove the two (2) knobs marked [B]. (Fig. 6)
19-3 Remove the two (2) hexagonal nuts marked [B]. The CS
HMVOLA2 circuit board can then be removed. (Fig. 6, Fig. 7)
20