Yamaha CS1D Service Manual page 35

CS1D
51. CS PCIF Circuit Board
51-1 Remove the Control Panel Assembly (OUT SEL).
(See Procedure 1.)
51-2 Remove the eight (8) screws marked [880]. The PC
assembly can then be removed. (Fig. 11)
51-3 Remove the five (5) screws marked [30], the three (3)
screws marked [50] and the four (4) screws marked [A].
The CS PCIF circuit board can then be removed. (Fig. 20)
[30]: Bind Head Tapping Screw-B 3.0 x 6 MFZN2BL (EP600230)
52. CS PS2HP Circuit Board
52-1 Remove the four (4) screws marked [140]. The PHJ angle
can then be removed. (Fig. 21)
52-2 Remove the two (2) hexagonal nuts marked [30], the two
(2) screws marked [50] and the screw marked [60].
Remove the CS PS2HP circuit board on the PHJ angle.
(Fig. 21)
[30]: Hexagonal nut 9.0 11x2 MFZN2BL (VJ388000)
[50]: Bonding Head Screw 3.0x8 MFZN2BL (VC688800)
30
[ 30 ]
CS PCIF
[ A ]
[ 140 ]
[ 50 ]
[ A ]
[50]: Bonding Head Screw 3.0x6 MFZN2BL (VS863000)
Fig. 20
[ 50 ]
[ 30 ]
[60]: Bonding Tapping Screw-B 3.0x8 MFZN2BL (VN413300)
[140]: Bind Head Tapping Screw-B A4.0x8 MFZN2BL (VC688800)
Fig. 21
[ 60 ]
CS PS2HP