Ic Block Diagram - Yamaha N-100 Service Manual

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N-100

IC BLOCK DIAGRAM

SN74HC14NSR (XC725A00)
PN: IC1
Hex Inverter
1
1A
14
VDD
2
13
1Y
6A
3
12
2A
6Y
4
11
2Y
5A
5
10
3A
5Y
6
9
3Y
4A
7
GND
8
4Y
TC7S08FU (XP116A00)
DM: IC002
2 Input AND Gate
Vcc
IN B
1
5
IN A
2
3
4
GND
OUT Y
µPC4574G2-E1-A (X7391A00)
MAEQ: IC007, 010
Quad Operational Amplifier
OUT A
1
14
OUT D
2
-
+
13
-IN A
-IN D
+
-
+IN A
+IN D
3
12
+V
-V
DD
4
+V
11
SS
-V
+IN C
+IN B
5
10
6
-IN B
+
-
9
-IN C
OUT B
7
OUT C
8
SN74LV32APWR (X5647A00)
DM: IC018
Quad 2 Input OR
1A
Vcc
1
14
1B
4B
2
13
1Y
4A
3
12
2A
4Y
4
11
2B
3B
5
10
2Y
3A
6
9
GND
3Y
7
8
TC7W04FU (XP004A00)
DM: IC006
Triple Inverter
1A
Vcc
1
8
3Y
1Y
2
7
2A
3A
3
6
GND
2Y
4
5
SN74AHC1G08DCKR (X3833A00)
DM: IC002
Single 2-Input Positive-AND Gate
1
A
Vcc
5
2
B
3
4
GND
Y
FUNCTION TABLE
INPUTS
OUTPUT
A
B
Y
H
H
H
L
X
L
X
L
L
SN74LV126APWR (X3865A00)
DM: IC029
Bus Buffer
1
1G
14
Vcc
2
13
1A
4G
3
12
2Y
4A
4
11
2G
4Y
5
10
2A
3G
6
9
2Y
3A
7
8
GND
3Y
NJM2068M-D(TE2) (X3505A00)
DM: IC014
JACK: IC1
µPC4570G2-E1-A (X7351A00)
DM: IC014
MAEQ: IC006, 009, 011
Dual Operational Amplifier
+DC Voltage
Output A
1
+V
8
Supply
Inverting
Output B
2
7
Input A
-
+
Inverting
Non-Inverting
3
6
+
-
Input B
Input A
Non-Inverting
-DC Voltage Supply
4
-V
5
Input B
LA6517M-TRM-E (XT131A00)
JACK: IC3
Dual Power Operational Amplifier
1
16
NC
NC
2
15
NC
NC
3
14
INPUT -1
OUT 1
Amp1
4
13
INPUT +1
VCC
Thermal Shut
Doun and
Current Limiter
5
12
OUT 2
INPUT +2
Amp2
6
11
VEE
INPUT -2
7
10
NC
NC
8
9
NC
NC
Page 20

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