Yamaha DISKLAVIER MX1Z Service Manual page 17

RF5GF26-028 (XK652A00) GATE ARRAY
PIN
NAME I/O
NO.
1 NC Not used
2 VCC Power supply
3 M10 I
4 M11 I
5 M12 I
6 M13 I
7 M14 I Make 1
8 M15 I
9 M16 I
10 M17 I
11 XIN I Clock
12 SYSRESIB I Reset
13 N0 O
14 N1 O
Note
15 N2 O
16 N3 O
17 OCTM10 O
18 OCTM11 O
19 OCTM12 O
20 OCTM13 O
Oct. Make 1
21 OCTM14 O
22 OCTM15 O
23 OCTM16 O
24 OCTM17 O
25 M20 I
26 M21 I
Vss
27 M22 I
28 M23 I
29 GND Ground
30 NC Not used
31 VCC Power supply
32 M24 I
33 M25 I
Vss
34 M26 I
35 M27 I
36 OCTM20 O
37 OCTM21 O
38 OCTM22 O Oct. Make 2
39 OCTM23 O
40 OCTM24 O
41 NC Not used
42 OCTM25 O
43 OCTM26 O Oct. Make 2
44 OCTM27 O
45 ACKM1B I Acknowledge Make 1
46 ACKM2B I Acknowledge Make 2
47 ACKKB I Acknowledge Key
48 IRQM1B O Interrupt Make 1
49 IRQM2B O Interrupt Make 2
50 GND Vss
FUNCTION
PIN
NAME I/O
NO.
51 NC Not used
52 VCC Power supply
53 IRQKB O Interrupt Key
54 OCTK0 O
55 OCTK1 O
56 OCTK2 O
57 OCTK3 O
Oct. Key
58 OCTK4 O
59 OCTK5 O
60 OCTK6 O
61 OCTK7 O
62 K0 I
63 K1 I
64 K2 I
65 K3 I
Key
66 K4 I
67 K5 I
68 K6 I
69 K7 I
70 C O
71 B O
72 AS O
73 A O
74 GS O Note
75 G O
76 FS O
77 F O
78 E O
79 GND Vss
80 NC Not used
81 VCC Power supply
82 DS O
83 D O Note
84 CS O
85 OCTR10 O
86 OCTR11 O
87 OCTR12 O Oct. Reference 1
88 OCTR13 O
89 OCTR14 O
90 NC Note used
91 OCTR15 O
92 OCTR16 O Oct. Reference 1
93 OCTR17 O
94 SW3 I
95 SW2 I
Switch
96 SW1 I
97 SW0 I
98 SW1A I Switch 1 A
99 SW1B I Switch 2 B
100 GND Vss
MX1Z
HAMMER SENSOR: IC3
FUNCTION
17