Epm3032A-Tc44 (Ic34); Lc74781 (Ic1905); Sn74Lvc244Apw (Ic33); Bu4094Bcf (Ic1908, 1909) - Denon AVR-1910 Service Manual

EPM3032A-TC44 (IC34)

Pin 1
I/O/TDI
I/O
I/O
GND
I/O
EPM3032A
I/O
EPM3064A
I/O/TMS
I/O
VCC
I/O
GND
Pin 12

SN74LVC244APW (IC33)

BU4052 (IC2000, 2001 : AVC model)
Y
1
0
Y 2
2
Y
0
Y X
2 2
COMMON
3
Y
Y
X
1
OUT / IN
Y X
4
3
Y
3
OUT / IN
X
Y 0
1
Y 5
1
INH
X
3
INH
6
V A
EE
B
V 7
EE
V
8
SS
Pin 34
I/O
I/O/TDO
I/O
GND
VCC
I/O
I/O
I/O/TCK
I/O
GND
I/O
Pin 23
MM74HC4051 (IC1906)
16 V
DD
15 X
2
14 X
1
COMMON
13
X
12 X
0
11 X
3
10 A
9
B
AVR-1910/1620/1610/790/590

LC74781 (IC1905)

BU4094BCF (IC1908, 1909)

1
STROBE
SERIAL
2
IN
3
CLOCK
4
Q
1
5
Q
2
6
Q
3
7
Q
4
8
V
SS
60
16 V
DD
OUTPUT
15
ENABLE
14 Q
5
13
Q
6
12
Q
7
11
Q
8
10
Q'
S
9 Q
S