17
PSR-E403
IC BLOCK DIAGRAM
SN74LV32APWR (X5647A00)
Quad 2 Input OR
SN74LV138APWR (X7284A00)
3 to 8 Demultiplexer
BA4510F-E2 (X7300A00)
Dual Operational Amplifier
BA5417 (XV771A00)
POWER AMP
1
2
3
1A
1Y
4
2A
5
2B
6
2Y
7
GND
1B
14
13
12
Vcc
4A
11
4Y
10
3B
9
3A
8
3Y
4B
1
2
3
4
5
6
7
A
A
Select
Enable
Output
Output
B
B
C
C
G2A
G2A
G2B
G2B
G1
G1
Y7
Y7
Y5
Y4
Y3
Y2
Y1
Y0
Y6
16
15
14
13
12
11
10
Vcc
YO
Y1
Y2
Y3
Y4
Y5
8
GND
9
Y6
1
2
3
4
-V
8
7
6
5
Output 1
+V
+Input 1
VEE
VCC
Output 2
-Input 2
+Input 2
-Input 1
+
-
+
-
BS
BS
FILTER
ST. BY
T . S . D
(N.C.)
BS2
OUT2
Vcc
OUT1
BS1
POWER-GND
STBY
FILTER
NF1
IN1
IN2
NF2
PRE-GND1
PRE-GND2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
(
IC
ブロック図)