Lh28F800Bje (Ic805); Sn74Lv573Apwr (Ic818,819); Sn74Lvc139Apwr (Ic820); Sn74Lv14Apwr (Ic829) - Denon AVR-1907 Service Manual

QQ
3 7 63 1515 0

LH28F800BJE (IC805)

SN74LV573APWR (IC818,819)

OE 1
2
D0
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
TE
L 13942296513
D7 9
GND 10

SN74LVC139APWR (IC820)

1
1G
2
1A
1B 3
1Y0 4
1Y1 5
1Y2 6
1Y3 7
GND 8

SN74LV14APWR (IC829)

1
1A
1Y 2
2A
3
www
2Y 4
5
3A
3Y 6
.
GND 7
http://www.xiaoyu163.com
Vcc
20
Q0
19
Q1
18
Q2
17
16 Q3
Q4
15
11
14 Q5
E
13 Q6
1
12
Q7 OE
11
LE
INPUTS
16 V
CC
SELECT
15 2G
G G
14 2A B
13 2B
L L
12 2Y0
L L
2Y1
11
L H
2Y2
10
L H
2Y3
9
H X
MM74HCT00MTCX (IC814,815)
Vcc
14
13
6A
6Y
12
11 5A
x ao
y
10 5Y
9 4A
i
8 4Y
http://www.xiaoyu163.com
8
D0 D1 D2 D3
2 3 4 6
D D D D
L
Q Q Q
L L L
Q Q
3 6 7 1 3
19 18 17
Q0 Q1 Q2

FUNCTION TABLE

(each decoder/demultiplexer)
OUTPUTS OUTPUTS
A Y3 Y2 Y1
L H H H
H H H L
L H L H
H L H H
X H H H
1A 1
14
1B 2
13
1Y 3
12
2A
4
11
u163
2B
5 10
2Y 6
9
.
GND
7
8
22
AVR-1907 / AVR-787 / AVC-1630
2 9 9 4 2 8
D4 D5 D6 D7
5 7 8 9
D D D
Q Q Q Q
L L L L
1 5 0 5 8 2 9 9 4
16 15 14 13
Q3 Q4 Q5 Q6
Y0
L
H
H
H
H
Vcc
4B
4A
m
4Y
co
3B
3A
3Y
9 9
D
Q
L
2 8 9 9
12
Q7