5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
GND
AC
GND
230V
1
1
5
V
C
PGM INPUT
PRI
SEC
IN L+
NOTE: UNLESS OTHERWISE SPECIFIED
BLK
WHT
GROUND TIE
1. ALL RESISTORS ARE 1/4W, 1%.
AC
MASTER-L
MASTER-R
TB LEVEL
IN L-
IN R+
IN R-
TB IN-
GND
TB 2
TB CONTROL
TB 1
TB IN+
OUT2 L+
PWR-
GND
PWR+
OUT2 L-
OUT1 L+
OUT1 R+
PWR-
GND
PWR+
OUT1 L-
OUT1 R-
GND
OUT3 L+
OUT3 L-
OUT3 R+
PWR+
PWR-
OUT3 R-
TBSW1A
TBSW2A
TBSW3A
TB 3
TBSW2B
TBSW3B
TBSW1B
L
M
OUT2 R-
OUT2 R+
TB DUCK LEV
TB SENS
!"#$
%
SCHEMATIC: MULTIPHONES II
HENRY ENGINEERING
503 Key Vista Drive
Sierra Madre, CA 91024 USA
telephone - (626) 355-3656
FAX (626) 355-0077
1
1
Tuesday, January 30, 2007
Title
Size
Document Number
Rev
Date:
Sheet
of
+8V
+8V
+8V
+8V
-8V
-8V
-8V
-8V
-8V
+8V
+8V
-8V
-8V
+8V
+8V
-8V
+8V
-8V
-8V
+8V
+8V
-8V
+8V
-8V
+8V
-8V
-8V
+8V
+8V
-8V
+8V
-8V
+8V
-8V
RP3A 10.0K
1
2
C33
.1uF
RP9B 4.99K
4
3
!
"
U4B
NE5532
5
6
7
8
4
R69
2.7K, 5%
R66 1.00K
R48
2.2 1/2W
!
C15
10uF
R71 100K
R60 1.00K
!
C14
1000uF 25V
!
"
U7B
NE5532
5
6
7
8
4
R41
100K 40%
1
3
2
RP4C 10.0K
6
5
!
"
U2B
NE5532
5
6
7
8
4
C23
30pF
RP11D
47
8
7
RP9D
4.99K
8
7
RP7D 10.0K
8
7
RP10B
47
4
3
RP5C 10.0K
6
5
E8
E1
C21 30pF
J5
1
2
3
4
5
6
7
8
Q6
LM79L08
2
3
1
IN
OUT
G
N
D
RP8A 10.0K
1
2
!
"
U3A
NE5532
3
2
1
8
4
LED2
C10
.001uF
RP6D 10.0K
8
7
D2
1N4004
R49
100K
RP12A
47
1
2
R45
1K 40%
1
3
2
RP7B 10.0K
4
3
RP2A 4.99K
1
2
C18
.1uF
!
C13
1000uF 25V
TP3
1
!
"
U5B
NE5532
5
6
7
8
4
C22
30pF
C24 30pF
R67
100 40%
1
3
2
R73
2.7K, 5%
TP2
1
RP1B 4.99K
4
3
R70 100K
D5
1N4004
E9
C1
.001uF
E2
RP11B
47
4
3
!
"
U6A
NE5532
3
2
1
8
4
!
"
U8A
NE5532
3
2
1
8
4
C32
.1uF
!
"
U8B
NE5532
5
6
7
8
4
!
C16
10uF
E13
LED3
E14
Q1
J174
2
1
3
R47
2.2 1/2W
D6 1N4004
LED1
!
"
U3B
NE5532
5
6
7
8
4
J2
1
2
3
4
5
6
J1
1
2
3
4
5
6
RP12C
47
6
5
C9 30pF
R15 1.00K
RP4D 10.0K
8
7
RP10C
47
6
5
RP2B 4.99K
4
3
RP7C 10.0K
6
5
Q8
J174
2
1
3
C2
.001uF
R72 100K
TP1
1
RP8D 10.0K
8
7
!
"
U4A
NE5532
3
2
1
8
4
RP6C 10.0K
6
5
RP8B 10.0K
4
3
RP1C 4.99K
6
5
C11
.001uF
!
"
U5A
NE5532
3
2
1
8
4
RP5D 10.0K
8
7
E4
C8
.001uF
E12
JP1
1
2
3
RP11A
47
1
2
J3
1
2
3
4
5
6
7
8
LED4
RP7A 10.0K
1
2
R68
2.7K, 5%
C3 30pF
!
"
U1A
NE5532
3
2
1
8
4
C28
.1uF
!
C12
100uF 16V
RP5A 10.0K
1
2
Q2
J174
2
1
3
R40 1.00K
C25 30pF
E3
E11
RP6B 10.0K
4
3
D3
1N4004
C6 30pF
RP12D
47
8
7
C4
30pF
J4
1
2
3
4
5
6
7
8
RP3C 10.0K
6
5
RP2C 4.99K
6
5
R42
10.0K
RP1D
4.99K
8
7
E6
RP10D
47
8
7
E15
C29
.1uF
RP5B 10.0K
4
3
F1
115V: 250 ma; 230V: 125ma
RP9C 4.99K
6
5
E10
RP8C 10.0K
6
5
RP4A 10.0K
1
2
Q3
J174
2
1
3
RP10A
47
1
2
RP11C
47
6
5
T1
SPW-102
1
3
4
2
5
6
8
7
R35 1.00K
R19 1.00K
Q7
J174
2
1
3
RP4B 10.0K
4
3
RP3B 10.0K
4
3
R56
100
C19 30pF
R29
10.0K
R4 1.00K
C26 30pF
D1
1N4004
C27 30pF
RP3D 10.0K
8
7
C17
.1uF
R58 2.7K, 5%
!
"
U1B
NE5532
5
6
7
8
4
C7
.001uF
Q4
J174
2
1
3
!
"
U7A
NE5532
3
2
1
8
4
Q5
LM78L08
3
2
1
IN
G
N
D
OUT
C20 30pF
C31
.01uF
RP9A 4.99K
1
2
!
"
U6B
NE5532
5
6
7
8
4
E7
D4
1N4004
RP1A 4.99K
1
2
RP12B
47
4
3
RP6A 10.0K
1
2
!
"
U2A
NE5532
3
2
1
8
4
R57
100
R31
1K 40%
1
3
2
C5
30pF
RP2D
4.99K
8
7
C30
.1uF
