
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AMP-BIAS1
AMP-BIAS1
AIN
AOUT
EX-IN
EX-OUT
VCC+8V
VCC+12V
Title
Size
Document Number
Rev
Date:
Sheet
of
1.0
A3
3
9
Thursday, November 19, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
1.0
A3
3
9
Thursday, November 19, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
1.0
A3
3
9
Thursday, November 19, 2009
SPK-OUT
HERE: Shortest wiring
HERE: Shortest wiring
AKD7756-HF
ANALOG
10k(DIP) removable
10k(DIP) removable
FES-IN
MIC-IN
memo:Ux-A
FES-OUT
+
C24
1uF(T)
+
C24
1uF(T)
C22
100pF
C22
100pF
+
C16
1uF(T)
+
C16
1uF(T)
+
C20
10uF(T)
+
C20
10uF(T)
C21
0.1uF
C21
0.1uF
+
-
U2B
NJM2119
+
-
U2B
NJM2119
5
6
7
8
4
R22
220
R22
220
+
C17
1uF(T)
+
C17
1uF(T)
RCA3
MR-552LS(W)
RCA3
MR-552LS(W)
T
B
S
C26
47pF
C26
47pF
R24
5.1k
R24
5.1k
RCA2
MR-552LS(W)
RCA2
MR-552LS(W)
T
B
S
+
C23
10uF(T)
+
C23
10uF(T)
R17
10k
R17
10k
R16
20k
R16
20k
C18
47pF
C18
47pF
C19
0.1uF
C19
0.1uF
R20
10k
R20
10k
+
C25
1uF(T)
+
C25
1uF(T)
R21
10k(DIP)
R21
10k(DIP)
RCA4
MR-552LS(R)
RCA4
MR-552LS(R)
T
B
S
R14
10k(DIP)
R14
10k(DIP)
C27
100pF
C27
100pF
R23
20k
R23
20k
R13
10k
R13
10k
RCA1
MR-552LS(R)
RCA1
MR-552LS(R)
T
B
S
R19
10k
R19
10k
+
-
U2A
NJM2119
+
-
U2A
NJM2119
3
2
1
8
4
R15
220
R15
220
R18
5.1k
R18
5.1k