Denon DN-C620 Service Manual page 49

Q411 : BD45302G-TR
Q412 : SN74LV08APW
(TOP VIEW)
1A
1
1B
2
1Y
3
2A
4
2B 5
2Y 6
7
GND
FUNCTION TABLE
(each gate)
INPUTS
A B
H H
L X
X L
LOGIC DIAGRAM, EACH GATE (POSITIVE LOGIC)
A
B
65
Pin No. Pin Name
1
2
3
4
5
V
14
CC
4B
13
4A
12
4Y
11
10 3B
9 3A
8
3Y
OUTPUT OUTPUT
Y
H
L
L
Y
ER
SUB
GND
V
OUT
V
DD