-28-
1
2
3
4
5
6
7
Level shift
10k
13k
T.S.D
10k
10k
50k
50k
28
27
26
25
24
23
22
Level shift
10k
13k
Vcc
21
20
19
18
17
16
15
Vcc
Level shift
10k
13k
8
9
10
11
12
13
14
DRIVER MUTE
Level shift
10k
13k
IN-A
IN-B
REG-B
REG-O
MUTE
GND
IN-B
IN-A
-
+
-
+
SUB-GND
OP-OUT
OP-IN -
OP-IN +
IN-B
IN-A
VCC
VCC
BIAS
IN-A
IN-B
-
+
SUB-GND
-
+
IC, MM1469XH
IC, TA2149N
IC BLOCK DIAGRAM -2/2