Yamaha 01v 96 Service Manual page 42

01V96
74VHC245SJX (XY874A00)
ADA: IC951, 952
MAIN: IC102-104, 106, 113-116, 132,
506, 507
SN74HC245NSR (XD838A00)
FD: IC005, 006
MAIN: IC709-711, 713
TC74VHC245F (XT487A00)
ADA: IC001, 003
TC74VHCT245AF (XV242A00)
MAIN: IC020, 109, 110, 140, 141, 508, 601
602, 716
Octal 3-State Bus Transceiver
1
D1R
2
A1
3
A2
4
A3
5
A4
A5 6
A6 7
A7
8
A8
9
GND
10
TC74LVX4245FS (XU229A00)
MAIN: IC107, 108, 111, 112
Dual Supply Octal Bus Transceiver
VCCA
1
0
DIR 2 1
A
A1 3
2 B
A2 4
3 D
A3
5
4 D
A4 6
5 G2
A5
7
6 G1
A6 8 7 15
A7 9
8 14
10 9 13
A8
11
GND 10 12
11
12
GND
42
SN74HC273NSR (XH223A00)
MAIN: IC701-706
TC74VHC273F (EL) (XY254A00)
FD: IC007-010
Octal D-Type Flip-Flop
CLEAR
1Q
1D
2D
2Q
3Q
3D
20 Vcc
4D
19
G
4Q
18
B1
GND
17
B2
16
B3
15
B4
14
B5
13
B6
SN74LV4051ANSR(X3955A00)
12
B7
FD: IC011, 014, 017
11 B8
Single 8-channel
Multiplexer/Demultiplexer
Channel IN/OUT 4
- do. -
Commons OUT/IN
Channel IN/OUT 7
- do. -
VCCB
24
Control Inhibit
VCCB
23
-DC Voltage Supply
/G
22
- do -
B1
21
20 B2
19
B3
18
B4
SN75121NSR (XU816A00)
B5
17
ADA: IC010
16
B6
Dual Line Driver
15
B7
14
B8
13
GND
1A
1B
1C
1D
1E
1F
1Y
GND
1 20
VCC
2 19
8Q
Q Q
CL CL
3 D CK CK D 18
8D
4 17
7D
D CK CK D
CL CL
5 16
Q Q 7Q
6 15
6Q
Q Q
CL CL
7 14
D CK CK D 6D
8 13
5D
D CK CK D
CL CL
9 12
Q Q 5Q
10 11
CLOCK
+DC Voltage Supply
1 CH4 V 16
DD
6 Channel IN/OUT 2
2 CH6 CH2 15
- do. -
14
3 COM CH1
- do -
4 CH7 CH0
13
5 - do -
5 CH5 CH3
12
Control Input A
6 INH A 11
- do. - B
7 VEE B 10
- do. - C
8 V C 9
SS
1 16 Vcc
2
15 2F
3 14 2E
4 13 2D
5 12 2C
6 11 2B
7 10 2A
8 9 2Y
TC74VHC541F-EL (X3954A00)
MAIN: IC117, 209, 505, 603
Octal 3-State Buffer
G1
1
A1 2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND 10
SN74LV4052ANSR (IS405210)
FD: IC003, 004
Differential 4-channel
Multiplexer/Demultiplexer
1
0Y
2Y 2
2Y 2X
Y-COM 3
Y-COM 1X
1
3Y
4 3Y X-COM
0
1Y
5
1Y 0X
3
INH
6 INH 3X
VEE
7
A
VSS
8
SN75124NSR (XV930A00)
ADA: IC009
Triple Line Receiver
1A
1
1B
2
2R
3
2S
4
2A
5
2B
6
2Y
7
GND
8
20 Vcc
G2
19
Y1
18
Y2
17
Y3
16
Y4
15
Y5
14
Y6
13
Y7
12
Y8
11
16 VDD
15
2X
14 1X
13
X-COM
12
0X
11
3X
10 A
B
9
Vcc
16
1S
15
1R
14
1Y
13
3A
12
3S
11
3R
10
9 3Y