5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PRI
B
115V
230V
AC
AC
GROUND TIE
WHT
BIPOLAR POWER
SUPPLY
BLK
SEC
1 / LEFT INPUT
1 / LEFT OUTPUT
1 / RIGHT INPUT
1 / RIGHT OUTPUT
2 / RIGHT INPUT
2 / LEFT INPUT
2 / RIGHT OUTPUT
1. ALL RESISTORS ARE 1/4W, 1%.
NOTE: UNLESS OTHERWISE SPECIFIED
2 / LEFT OUTPUT
3210
B
SCHEMATIC: TWINMATCH
HENRY ENGINEERING
503
Key Vista Drive
Sierra Madre, CA 9
1024 USA
telephone - (626) 355-36
56
FAX (626) 355-0077
11
Monday,
September 29, 2003
T
itle
S
iz
e
Document Number
Rev
Date:
Sheet
of
-15V
+15V
-15V
-15V
+15V
+15V
+15V
-15V
-15V
-15V
+15V
+15V
+15V
-15V
-15V
+15V
-15V
+15V
R2
10
.0K, 1%
R20
10
.0K, 1%
C13 .1uF
R
2
4
47, 1
%
+
C12
330uF 25V
C10 .1uF
+
-
U1B
NE5532
5
6
7
8
4
R26
50K POT
1
3
2
R
2
2
47, 1
%
C4
.0
01uF
R
9
2.
00K, 1%
J7
NC3MAH
1
2
3
R
4
47, 1
%
E8
E1
Q2
LM7915
2
3
1
IN
OUT
GND
D3
1N4004
C20
300pF, NPO
C8
47pF, NPO
R
1
1
2.
00K, 1%
R
1
0
47, 1
%
R
3
2.
00K, 1%
R
6
47, 1
%
+
C11
330uF 25V
C15 .1uF
TP3
1
C5
47pF, NPO
TP2
1
C14 .1uF
C7
47pF, NPO
+
-
U2A
NE5532
3
2
1
8
4
E9
J5
NC3MAH
1
2
3
E2
+
-
U3B
NE5532
5
6
7
8
4
C17 .1uF
R
1
5
2.
00K, 1%
+
-
U4A
NE5532
3
2
1
8
4
+
-
U2B
NE5532
5
6
7
8
4
R8
10
.0K, 1%
LED1
LED
C3
.0
01uF
C21
300pF, NPO
J1-
3
R
C
A-413
5
4
C16 .1uF
R19
10
.0K, 1%
TP1
1
+
-
U4B
NE5532
5
6
7
8
4
E4
R27
50K POT
1
3
2
C18 .1uF
C1 .0
01uF
J1-2
R
C
A-413
3
1
C9 .1uF
+
-
U3A
NE5532
3
2
1
8
4
R25
50K POT
1
3
2
R
1
6
47, 1
%
R14
10
.0K, 1%
R1
10
.0K, 1%
E5
R
1
7
2.
00K, 1%
D2
1N4004
C6
47pF, NPO
J6
NC3MAH
1
2
3
C22
300pF, NPO
R7
10
.0K, 1%
E6
J1-
4
R
C
A-413
6
4
F1
115V: 250 ma;
230V: 1
25ma
R28
50K POT
1
3
2
T1
SPW-061
1
3
4
2
5
6
8
7
R
5
2.
00K, 1%
R
2
1
2.
00K, 1%
R13
10
.0K, 1%
J1-1
R
C
A-413
2
1
R
1
8
47, 1
%
D4
1N4004
R29
3.
9K, 5%
C19
300pF, NPO
Q1
LM7815
3
2
1
IN
GND OUT
E7
D1
1N4004
+
-
U1A
NE5532
3
2
1
8
4
R
2
3
2.
00K, 1%
C2
.0
01uF
J8
NC3MAH
1
2
3
R
1
2
47, 1
%
