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Yamaha Disklvaier Mark II XG Series Service Manual page 21

Uplight pianos

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• RF5GF26-028 (XK652A00) GATE ARRAY, HAMMER SENSOR
Not used
NC
Power supply
Vcc
M10
M11
M12
Make 1
M13
M14
M15
M16
M17
XIN
Clock
SYSRE-
Reset
SIN
N0
N1
Note
N2
N 3
OCTM10
OCTM11
OCTM12
OCTM13
Oct. Make 1
OCTM14
OCTM15
OCTM16
OCTM17
M20
M21
Vss
M22
M23
GND
Ground
Not used
NC
Power supply
Vcc
M24
M25
Vss
M26
M27
OCTM20
OCTM21
OCTM22
Oct. Make 2
OCTM23
OCTM24
NC
Not used
OCTM25
Oct. Make 2
OCTM26
OCTM27
ACKM1
Acknowledge Make 1
ACKM2
Acknowledge Make 2
ACKK
Acknowledge Key
IRQM1
Interrupt Make 1
IRQM2
Interrupt Make 2
GND
Vss
NC
Not used
Vcc
Power supply
IRQK
Interrupt key
OCTK0
OCTK1
OCTK2
OCTK3
Oct. Key
OCTK4
OCTK5
OCTK6
OCTK7
K0
K1
K2
K3
Key
K4
K5
K6
K7
C
B
A #
A
G#
Note
G
F#
F
E
GND
Vss
Not used
NC
Vcc
Power supply
D #
D
Note
C #
OCTR10
OCTR11
OCTR12
Oct. Reference 1
OCTR13
OCTR14
Not used
NC
OCTR15
Oct. Referencce 1
OCTR16
OCTR17
SW3
SW2
Switch
SW1
SW0
SW1A
Switch 1A
SW1B
Switch 2B
GND
Vss
MX100IIXG
22

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