Yamaha AW4416, Service Manual

Page: 97 / 154

AW4416
56
AM26LS31M (XN919A00)
AM26LS31CNSR (XU996A00)
Quad Line Driver
MAIN: IC513
1
2
3
4
5
6
7
INPUT A
INPUT A
OUTPUT A
OUTPUT C
INPUT C
INPUT C
GND
ENABLE
16
15
14
13
12
11
Vcc
INPUT B
INPUT B
OUTPUT B
ENABLE
OUTPUT D
INPUT D
8
9
10
INPUT D
+
-
-
+
+
-
-
+
DS26C32ATMX (XU815A00)
Quad Differential Line Receiver
MAIN: IC512, 706
H= high level
L= low level
X= irrelevant
Z= high impedance (off)
1
2
3
4
5
6
7
1A
1Y
1Z
2Z
2Y
2A
GND
ENABLE G
16
15
14
13
12
11
Vcc
4A
4Y
4Z
ENABLE G
3Z
3Y
8 9
10
3A
OUTPUTS ENABLES INPUT
A G G Y Z
H
H
X
X
L
X
X
L
L
H
H
L
H
L
Z
L
H
L
H
Z
H
L
H
L
X
MC26LS30D (XL334A00)
Linr Driver
MAIN: IC705
NJM2068MD-T1 (XJ553A00)
µ
PC4570G2 (XF291A00)
NJM4556AMT1 (XQ138A00)
Dual Operational Amplifier
MAIN: IC101-113, 116-199, 202, 203, 205,
206, 208, 209, 211-215
1
A
2 3 4 5 6 7 8 9
+V -IN -V
+IN OUT
A A A
+V -IN
+IN OUT
B B B
-
+
B
-
+
NJM2904M (XV190A00)
Dual Operational Amplifier
MAIN: IC514
1
2
3
4
5
6
7
GND
NC
NC
Vref
NC
IN1
NC
OUT1
16
15
14
13
12
11
NC
Vs
NC
OUT2
NC
Vcc
NC
8
9
10
IN2
7
Protector circuit
(Heat interception)
IN1
9
IN2
11
Vcc
5
Vref
GND
OUT2
OUT1
Vs
1
15
13
4
M
REG
1
2
3
4
5
6
7
Vcc
Input A
Input B/
Enable AB
GND
Input C/
Enable CD
Input D
V
EE
Mode
16
15
14
13
12
11
SR-A
Output A
Output B
SR-B
SR-C
Output C
Output D
8
9
10
SR-D
Input A
Enable AB
SR-A
Out A
2
3
15
14
Input A
2
16
15
Input B
SR-B
Out B
Out A
Out B
3
13
14
Input C
SR-C
Out C
6
12
11
Input D
SR-D
Out D
7
9
10
SINGLE-ENDED MODE
EIA-423
DIFFERENTIAL MODE
EIA-422
Enable CD
7
11
10
Input D
6
Out C
Out D
Vcc 1 Gnd 5
Mode 4 V
EE
8
Inputs Outputs
Operation Vcc Mode A B C D
X X X X
A B C D
Z Z Z Z
V
EE
0
0
0
0
0
0
1
1
1
1
1
0
1
X
1
0
1
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
1
1
0
1
X
0
0
0
0
1
0
0
0
0
0
1
0
0
0
1
0
0
1
Z
1
0
1
0
1
0
0
0
1
0
Z
0
1
0
0
0
1
0
0
0
1
1
0
1
Z
0
0
0
0
1
1
0
0
1
0
Z
0
0
0
1
0
+5.0 GND
+5.0 -5.0
Differential
(EIA-422-A)
Single-Ended
(EIA-423-A)
X = Don't Care
Z = High Impedance (Off)
X 0 X X
TA7291F (XW618A00)
Motor Driver
SUB-FADER: IC101-105, 107-110, 112-119
1
2
3
4 -V
8
7
6
5
Output A
+V
Non-Inverting
Input A
Ground
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A + -
+ -