Sony STR-DA2800ES Service Manual page 119

IC301 BD3812F-E2
IN1 1
AGND1 2
IN2 3
AGND2
4
VEE 5
AGND3 6
VCC 7
LOGIC
– CONTROL Board –
IC2661, 2761 TC74VHC157FT (EKJ)
SELECT 11 1 16
V
CC
S
1A 2 1A G 15 STROBE
INPUT
3 14 4A
1B 1B 4A
4B
4 13
OUTPUT 1Y 1Y 4B
2A 5 2A 4Y 11 12 4Y
INPUT
6 11 3A
2B 2B 3A
7 10 3B
OUTPUT 2Y 2Y 3B
3Y
GND 8 3Y
9
IC502, 507, 512, 517 STK350-630TS-E
14 OUT1
13 OUT2
12 SEL
11 DGND
10 MUTE
9 DA
8 CL
1 2 3
IC2671 TC74VHC4052AFT (EK)
INPUT
OUTPUT
INPUT
Y-COM 3
OUTPUT
4 5 6 7 8
0Y 1 O/I I/O
C
2Y 2 O/I I/O
C
3Y 4 O/I I/O
C
1Y 5 O/I I/O
C
INH 6
GND 7
GND 8
STR-DA2800ES
9 10 11 12 13 14 15
16 VCC
I/O O/I 15 2X
C
I/O O/I 14 1X
C
13 X-COM
I/O O/I 12 0X
C
I/O O/I 11 3X
C
10 A
9 B
119