Sony STR-DA7100ES Service Manual page 159

IC2018, 2019 TC74VHC157FT (EL)
IC2039 TC74VHC157FT (EL)
SELECT 11 1
S
1A 2
1A G
INPUT
3
1B 1B 4A
1Y 4 1Y 4B
OUTPUT
5
2A 2A 4Y
INPUT
6
2B 2B 3A
7
OUTPUT 2Y 2Y 3B
3Y
GND 8
IC2038 TC74VHC541FT (EL)
20 19 18 17 16 15
1 2 3 4 5
IC2009 TC74HC151AF (EL)
1
D3
D2 2 D2 D3 D4
3 D1 D5
D1
4 D0 D6
D0
Y 5
Y D7
XY 6
W A
OE 7 S C B
GND 8
16 V
CC
15
STROBE
14 4A
INPUT
4B
13
11 12 4Y OUTPUT
3A
11
INPUT
10 3B
9 3Y OUTPUT
14 13 12 11
6 7 8 9 10
16 V
CC
15 D4
14
D5
13
D6
12 D7
11 A
10 B
9 C
STR-DA7100ES
IC2017 TC74VHC393FT (EL)
14 13 12 11 10 9
VCC
Q Q Q
A B C
A
CLEAR
CLEAR
A
Q Q Q Q
A B C D
1 2 3 4 5 6
IC2022 TC7WH74FU (TE12R)
IC2032 TC7WH74FU (TE12R)
IC2033 TC7WH74FU (TE12R)
IC2036 TC7WH74FU (TE12R)
8 7 6 5
S R Q
C D Q
1 2 3 4
IC2020 TC74VHC153FT (EL)
DATA INPUTS
STROBE A
VCC 2C3 2C2 2C1 2C0
2G SELECT
13 12 10
16 15 14 11
2C3 2C2 2C1 2C0
2G
B B A
B B A
1G
1C3 1C2 1C1 1C0
1 2 4 5
3 6
STROBE B 1C3 1C2 1C1 1C0
1G SELECT
DATA INPUTS
8
Q
D
GND
7
OUTPUT
2Y
9
2Y
A
A
1Y
7
8
OUTPUT GND
1Y
159