56
WX-7700MDX
IC2
BA5810FP-E2
28
27
26
25
1
2
3
4
+
–
+
–
LEVEL
SHIFT
24
23
6
22
7
+
–
+
–
5
PREVCC
(PRE, LOADING)
8
21
20
19
9
POWVCC12
(CH1, CH2)
LOADING PRE
FWD REV
POWER
SAVE
x3
10
11
+
–
+
–
+
–
12
+
–
+
–
LEVEL
SHIFT
13
+
–
14
+
–
+
–
LEVEL
SHIFT
18
+
–
17
+
–
+
–
LEVEL
SHIFT
16
+
–
15
+
–
+
–
CH1 – CH4
MUTE
POWVCC34
(CH3, CH4)
FWD
REV
LDCONT
PS
IN2
PREVCC
IN1
POWVCC12
VOL–
VOL+
VO2–
VO2+
VO1–
VO1+
BIAS
OPIN4+
OPIN4–
OPOUT4
OPIN3+
OPIN3–
OPOUT3
MUTE
POWVCC34
GND
VO3–
VO3+
VO4–
VO4+