Yamaha Disklavier Silent Mark III Service Manual page 34

DU1A
MB3763P (XF880A00)
MN: IC116
Motor Driver
A-IN 1 8
GND 2 7
3 6
GND
B-IN 4 5
NJM2112V(TE2) (XT617A00)
DSP: IC021,022
Quad Operational Amplifier
OUT A
1
14
2 - + 13
-IN A
+ -
+IN A
3
12
+V
4 +V
11
GND
+IN B
5
10
6
-IN B + - 9
OUT B 7 8
HA1630Q04T (X2869A00)
KEY SENSOR: OP001,002
Quad Operational Amplifier
Output 1
1
14
Inverting
2 - + 13
Input 1
+ -
Non-inverting
3 12
Input 1
+DC Voltage Supply 4 +V
GND 11
Non-inverting
5
10
Input 2
Inverting
6 + -
9
Input 2
7
Output 2 8
34
RS5C372A-E2 (XU401A00)
CONTROLLER: IC024
Real Time Clock
A-OUT INTRB
A-Vcc SCL
B-Vcc SDA
Vss
B-OUT
µPC4570G2 (XF291A00)
MN: IC107,108,110,111,114
Dual Operational Amplifier
Output A
OUT D
Inverting
-IN D
Input A
Non-Inverting
+IN D
Input A
-DC Voltage Supply
-V
+IN C
-IN C
OUT C
Output 4
Inverting
Input 4
Non-inverting
Input 4
Ground
Non-inverting
Input 3
Inverting
Input 3
Output 3
1 8 V
DD
2 7 OSCIN
3 6 OSCOUT
4 5
INTRA
+DC Voltage
1 +V 8
Supply
Output B
2 7
- +
Inverting
3 6
+ -
Input B
Non-Inverting
4 -V 5
Input B
LA6517 (XM804A00)
MN: IC112
Dual Low Voltage Power Amplifier
Inverting
Output A
1 8
Input A
Non-Inverting
VDD
2 7
Input A
Inverting
Output B 3 6
Input B
Non-Inverting
Vss
4 5
Input B
NJM2903M(T1) (XD672A00)
PK-CTL: IC15
Dual Operational Amplifier
+DC Voltage
Output A
1 +V 8
Supply
Inverting
Output B
2 7
Input A
- +
Non-Inverting Inverting
3 6
+ -
Input A Input B
Non-Inverting
Ground
4 -V 5
Input B