Ic Block Diagram - Yamaha DM1000 Service Manual

DM1000/MB1000/SP1000

IC BLOCK DIAGRAM

DM1000
TC74VHC00F (XT229A00)
MAIN: IC138
SN74HC00NSR (XE165A00)
FD: IC106
Quad 2 Input NAND
1A
1
1B
2
1Y
3
2A
4
2B
5
2Y
6
Vss
7
TC74VHC08F (XT014A00)
MAIN: IC604
Quad 2 Input AND
1A
1
1B
2
1Y
3
2A
4
2B
5
2Y
6
VSS
7
HD74LV27AFPEL (IS002700)
MAIN: IC016-019
Triple 3 Input NOR
1A
1
1B
2
2A
3
2B
4
2C
5
2Y
6
GND
7
58
HD74LV02AFPEL (IS000200)
MAIN: IC020-022
Quad 2 Input NOR
VDD
14
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y Vss
8
TC74VHC11F (EL) (XT812A00)
MAIN: IC029
Triple 3 Input AND
VDD
14
4B
13
4A
12
4Y
11
3B
10
3A
9
VSS
3Y
8
TC74VHC32F (EL) (XY537A00)
JK1: IC253
Quad 2 Input OR
Vcc
14
1C
13
1Y
12
3C
11
3B
10
3A
9
GND
3Y
8
1Y VDD
1 14
1A 4Y
2 13
1B 4A
3 12
2Y 4B
4 11
2A 3Y
5 10
2B 3A
6 9
3B
7 8
1A VDD
1 14
1B 1C
2 13
2A 1Y
3 12
2B 3C
4 11
2C 3B
5 10
2Y 3A
6 9
3Y
7 8
1A Vcc
1 14
1B 4B
2 13
1Y 4A
3 12
2A 4Y
4 11
2B 3B
5 10
2Y 3A
6 9
3Y
7 8
TC74VHC04F-EL (XM332A00)
MAIN: IC131
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
Vss 8
4Y
TC74VHC14F-EL (XW876A00)
MAIN: IC135
JK1: IC101
Hex Inverter
1A 1 14
VDD
2
13
1Y
6A
3 12
2A 6Y
4
2Y 11
5A
5
10
3A 5Y
6 9
3Y
4A
7
GND 8
4Y
HD74LV74AFPEL (IS007400)
MAIN: IC032
TC74VHC74F-EL (XW875A00)
MAIN: IC652
Dual D-Type Flip-Flop
1
1CLR 14 VCC
2
1D D 13
2CLR
D
3
12
1CK CK
2D
4
1PR 11
PR 2CK
CK
5
Q 10
1Q
2PR
PR
6
9
Q
1Q Q 2Q
7 8
GND 2Q
Q
INPUTS OUTPUTS
PR CLR CLK D Q Q
L H X X H L
H L X X L H
L L X X H H
H H f H H L
H H f L L H
H H L X Q Q
O O