Sony STR-DN840 Service Manual page 55

IC2111 TC74VHC393FT (ELK) (DIGITAL BOARD (2/8))
14 13 12 11 10 9 8
VCC
Q Q Q Q
A B C
CLEAR A
CLEAR A
Q Q Q Q
A B C D
GND
1 2 3 4 5 6 7
IC2113, IC2114 TC74VHC157FT (EKJ) (DIGITAL BOARD (3/8))
IC3002 TC74VHC157FT (EKJ) (DIGITAL BOARD (6/8))
SELECT 11 1 16 V
CC
S
1A 2 15
1A G STROBE
INPUT
4A
1B 3 1B 4A 14
INPUT
4 13 4B
OUTPUT 1Y 1Y 4B
5 11 12 4Y OUTPUT
2A 2A 4Y
INPUT
3A
2B 6 2B 3A 11
INPUT
7 10 3B
OUTPUT 2Y 2Y 3B
3Y
GND 8 3Y OUTPUT
9
D
STR-DN840
55