Yamaha M7CL-32 Service Manual page 63

74VHC245MTCX (X0296A00)
CPUM: IC003
CPUP: IC003
SN74AHCT245PWR (X2709A00)
DSP32: IC015, 016, 058, 432, 451, 501, 503, 504
DSP48: IC015, 016, 058, 432, 451, 501, 503, 504
SN74LV245APWR (X3693A00)
DCIN: IC501–503
DCMS: IC905
DSP32: IC003–005, 007, 008, 011–014, 056, 057,
502, 505–510, 601, 602, 604–606, 632,
651, 652
DSP48: IC003–005, 007, 008, 011–014, 056, 057,
502, 505–510, 601, 602, 604–606, 621,
622, 632, 651, 652
HAAD: IC901
JK: IC301, 351–353
PNMS8: IC101, 102
SN74HC245NSR (XD838A00)
DA: IC901, 902
SN74LVC245APWR (XZ287A00)
CPUM: IC021–026
Octal 3-State Bus Transceiver
D1R 1 20 V
CC
A1 2 19 G
A2 3 18 B1
A3 4 17 B2
A4 5 16 B3
A5 6 15 B4
A6 7 14 B5
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
SN74LV4052ANSR (IS405210)
Differential 4-Channnel
Multiplexer/Demultiplexer
FDMS8: IC005
0Y 1 16 VDD
2Y 2
2Y 2X 15
2X
Y-COM 3
Y-COM 1X 14 1X
3Y
4 3Y X-COM 13
X-COM
1Y 5 12
1Y 0X 0X
INH
6 INH 3X 11
3X
VEE
7
A 10 A
VSS B
8 9
SN75121NS (XU816A00)
Dual Line Driver
JK: IC102
1A 1 16 Vcc
1B 2 15 2F
1C 3 14 2E
1D 4 13 2D
1E 5 12 2C
1F 6
11 2B
1Y 7 10 2A
GND 8 9 2Y
SN75C1168 (XU073A00)
Line Driver/Receiver
JK: IC051
1
1B 16 Vcc
1A
2 15 1D
1R 3 1Y
14
1DE
4 1Z
13
2R 5 2DE
12
6
2A 11 2Z
2B 2Y
7 10
GND 2D
8
9
TC74HC4053AFT (XV944A00)
Triple 2-Channel
Multiplexer/Demultiplexer
HAAD: IC103, 203, 303, 403, 503, 603,
703, 803
Switches IN/OUT
V
1 16 CC
Y1
Switches IN/OUT Commons OUT/IN
2 15
Y0 Y
Y0 Y
Switches IN/OUT Commons OUT/IN
3 14
Z1 X
Z1 X
Commons OUT/IN Swiches IN/OUT
4 13
Z X1
Z X1
Swiches IN/OUT Swiches IN/OUT
5 12
Z0 X0
Z0 X0
Control Input
Control Inhibit
6 11
INH A
A
Control Input
V
EE 7 10
B
B
Control Input
V
SS 8 9
C
M7CL-32/M7CL-48
SN75124NSR (XV930A00)
Triple Line Receiver
JK: IC101
1A
1 16
1B
2 15
2R
3 14
2S
4 13
2A
5 12
2B
6 11
2Y
7 10
GND
8 9
SN74LV4051ANSR (X3955A00)
Single 8-Channel
Multiplexer/Demultiplexer
FDMS4: IC003
FDIN: IC004
FDMS8: IC006, 007
Channel IN/OUT 4
1 CH4 V 16
DD
- do. - 6
2 CH6 CH2 15
Commons OUT/IN
3 COM CH1 14
Channel IN/OUT 7
4 CH7 CH0 13
- do. - 5
5 CH5 CH3 12
Control Inhibit
6 INH A 11
-DC Voltage Supply
7 VEE B 10
- do -
8 V C 9
SS
74LVX4245MTCX (X3097A00)
Dual Supply Octal Bus Transceiver
DSP32: IC009, 010
DSP48: IC009, 010
VCCA
1 24
0
DIR 2 1 23
A
A1
3 22
2
B
A2
4 21
3
D
A3 5 20
4 D
A4
6
5 19
G2
A5
7 18
6 G1
A6
17
8 15
7
A7 16
9
8 14
A8
10 15
9 13
GND
11 14
10 12
11
GND
12 13
Vcc
1S
1R
1Y
3A
3S
3R
3Y
+DC Voltage Supply
Channel IN/OUT 2
- do. - 1
- do - 0
- do - 3
Control Input A
- do. - B
- do. - C
VCCB
VCCB
/G
B1
B2
B3
B4
B5
B6
B7
B8
GND
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