Ic Block Diagram - Yamaha ME-100FS Service Manual

1
TC40H107AP (lG096500)
Dual J-K Flip-Flop
TC40H138P (IG111900) TC74HC244P (I R024400)
3 to 8 Dernultiplexe~
Octal 3-State Bus Buffer
o u t p u t
-
1 G
VDD
1A1
z
2Y4 1Y1
1A2 2A4
2Y3 1 Y 2
1 A 3 2 A 3
2Y2 1Y3
1 A4 2 A 2
2Y1 1 Y 4
VII 2A 1
TC40H367P (IG107300) HD74LS373P (IG060300) TC40H393P (IG130800)
TC74HC367 (I R036700)
Octal 3-State D-Type Latch
Dual 4-Bit Binary Counter
Hex 3-State Bus Buffer
-
G 1
1 A
1Y
2 A
2Y
3 A
3 Y
IGND)
Vrr
VDD
-
G2
6 A
6Y
5 A
5Y
4 A
4Y
HD14503BP (IG052000)
Hex 3-State Buffer
D~rable A
I" 1
o u t 1
In
2
o u t 2
1" 3
o u t 3
VSS
VDD
Dtrable B
1 " 6
Our 6
I" 5
o u t 5
1" 4
o u t 4
OUTPUT
CONTROL VCC
1
0
8 0
2D 8 D
2 D 7D
2 0 7 0
3 0 6 0
3 0 6D
4 D 5 D
4 0 5 0
GND ENABLE
G
e
M5222L ( I G I 20700)
VCA
(2ch)
IC BLOCK DIAGRAM
33