Function Table - Denon AVR-3805 Service Manual

TC9459F (AD: IC381)
24
V
SS
1
NC
3
L-OUT 2
50k W /
91STEP
L-IN 4
VR
L-LD1
5
L-LD2
6
7
L-A-GND
8
NC L-ch7 to 91decoder
L-ch latch circuit
9 Shift register (24Bit)
CS1
NC 10 Level shift circuit
GND
11
CK
12
SN65LVDS32PW (AD: IC801)
1B
1
1A
2
1Y
3
G
4
2Y
5
2A
6
2B
7
GND
8
SN74LVC139APWR (DS: IC301)
1G 1
2
1A
3
1B
1Y0 4
5
1Y1
1Y2 6
1Y3 7
GND 8
TC74VHCU04FT
(AD: IC803, 804)
1
1A Vcc
14
2
13 6A
1Y
3
2A 12 6Y
4
2Y
11
5A
5
3A 10 5Y
6 9 4A
3Y
GND
7 8
4Y
12
1
V
DD
24
22 NC
R-OUT
23
Same as L-ch R-IN
21
R-LD1
20
19 R-LD2
18 R-A-GND
17 NC
R-ch7 to 91decoder
R-ch latch circuit
16 CS2
15 NC
14 STB
13 DATA
4
G
12
G
2
1A
1
V
16
CC
1B
4B
15
6
4A
14
2A
4Y
7
13
2B
G
12
3Y 10
11
3A
3A
10
9
3B
3B
9
14
4A
15
4B
(each decoder/demultiplexer)
INPUTS
16 V
CC
SELECT
15 2G
G G
14 B
2A
13 2B
L L
12 2Y0
L L
11 2Y1
L H
10 2Y2
L H
2Y3
9
H X
3
1Y
5
2Y
11
3Y
13
4Y

FUNCTION TABLE

OUTPUTS OUTPUTS
A Y3 Y2 Y1 Y0
L H H H L
H H H L H
L H L H H
H L H H H
X H H H H
30
AVR-3805 / AVC-3890
30