Yamaha DISKLAVIER MX1Z Service Manual page 34

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DRIVE A Circuit Board
A
A'
Connector (DRIVE A)
CN2:
to KEY 25, 57
CN10: to KEY 33, 65
CN3:
to KEY 26, 58
CN11: to KEY 34, 66
CN4:
to KEY 27, 59
CN12: to KEY 35, 67
CN5:
to KEY 28, 60
CN13: to KEY 36, 68
CN6:
to KEY 29, 61
CN14: to KEY 37, 69
CN7:
to KEY 30, 62
CN15: to KEY 38, 70
CN8:
to KEY 31, 63
CN16: to KEY 39, 71
CN9:
to KEY 32, 64
CN17: to KEY 40, 72
B
B'
DRIVE A: VN58820
CN18: to KEY 41, 73
CN25: to KEY 48, 80
CN19: to KEY 42, 74
CN26: to KEY 49, 81
CN20: to KEY 43, 75
CN27: to KEY 50, 82
CN21: to KEY 44, 76
CN28: to KEY 51, 83
CN22: to KEY 45, 77
CN29: to KEY 52, 84
CN23: to KEY 46, 78
CN30: to KEY 53, 85
CN24: to KEY 47, 79
CN31: to KEY 54, 86
MX1Z
A'
Component side
CN32: to KEY 55, 87
CN33: to KEY 56, 88
CN34: to PWB-CB5, DRIVE B-CN114
CN35: to PK-CTL-CN4
CN36: to PWB-CB5, DRIVE C-CN215
CN37: to PK-CTL-CN6
CN38: to Thermostat
Pattern side
A
B
B'
27

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