STR-KM2/KM3
45
• IC Block Diagrams
IC2007 TC74VHC393FT (ELK) (DIGITAL AUDIO BOARD (3/4))
IC2033 TC7SH126FU (DIGITAL AUDIO BOARD (2/4))
14
13
12
11
10
9
8
1
2
3
4
5
6
7
Q
A
Q
B
Q
C
Q
D
A
CLEAR
VCC
Q
A
Q
B
Q
C
Q
D
A
CLEAR
GND
IC2020 S-80929CNMC-G8ZT2G (DIGITAL AUDIO BOARD (2/4))
IC2034 S-80929CNMC-G8ZT2G (DIGITAL AUDIO BOARD (1/4))
IC2032 TC74VHC157FT (EKJ) (DIGITAL AUDIO BOARD (2/4))
IC2804 TC74VHC157FT (EKJ) (DIGITAL AUDIO BOARD (3/4))
VDD 2
OUT 1
VSS 3
+
–
VREF
CD
5
NC
4
DELAY
CIRCUIT
SELECT 11
1
1A 2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
GA
TE
IN A
GND
VCC
OUT
-Y
1 2 3
4
5
IC2019 74AHC1G08GW-125 (DIGITAL AUDIO BOARD (2/4))
IN
IN
GND
1
2
3
5
4
VCC
OUT
Summary of Contents for STR-KM2
Page 81: ...MEMO STR KM2 KM3 81 ...
