Product
Date:
Filename:
PCB#
of
Sheet
Rev:
3
1
V06
X8018V06sch.sch2006
LS720P
Tue Feb 24, 2015
M1330
Powered Speaker
PSGND
-15VIP
-15VIP
DNS
+15VIP
BAT85
D7
-15VIP
PSGND
IGND
R94
1
/4
W
47K
MINI
+15VIP
1
/4
W R87
15K
MINI
4007
D58
R85
1
/4
W
68K
.
N
E
T0
0
2
2
6
N
E
T0
0
2
2
6
+15VIP
R12
1
/4
W
22K
MINI
R15
1
/4
W
22K
MINI
LVGND
IN-Speaker
OUT-Line
-15VIP
-15VIP
4148
D31
-15VIP
D1
0
4
1
4
8
C10
63V
220N
GNDA
P5:C
EMI FILTERING
+15VIP
-15VIP
GNDA
GNDA
P2:C
-15VIP
Rolloff
Frequency
R88
1/4W
MINI
6K19
-15VIP
-15VIP
+15VIP
C66
50V
22U
A
R111
1/4W
MINI
4K7
BAT85
D3
YEL
2
W7:B
3
VIO
20Vrms
GRY
2
W8:B
4
GRY
20Vrms
+15VIP
4007
D52
C13
63V
150N
+15VIP
LVGND
+15VIP
MR752
D59
+15VIP
X3
+147V
1
W1:A
6
2
W1:B
6
3
W1:C
6
4
W1:D
6
5
W1:E
6
6
W1:F
6
SIGNAL
4010
INPUT A
J2
IGND
J5
INPUT B
4010
1
2
3
J4
THRU B
4100
C2
200V
470P
1
/4
W
113K
R145
.
C3
200V
470P
R165
1.0W
0.5%
9K76
R24
1.0W
0.5%
9K76
R197
1
/4
W
10K
RAD
4148
D39
+15VIP
4148
D40
IN-Speaker
OUT-Line
265V
48R
R168
6543
LVGND
100V
C126
100N
100V
C138
100N
R120
1/4W
MINI
100K
LVGND
1/4W
470K
R125
MINI
L3
CLIP
RED
6405
1
/4
W
1K5
R113
MINI
1
/4
W
9K76
R6
0.1%
+15VIP
R2
1/4W
0.1%
9K76
100P
100V
C6
GNDA
63V
C132
100N
63V
C120
100N
R138
1
/4
W
2K
MINI
GNDA
100V
C135
100N
100V
C134
100N
100V
C122
100N
R118
1/4W
MINI
33K
R124
1
/4
W
22K
MINI
GNDA
100V
C125
100N
R92
1
/4
W
47K
MINI
R196
1
/4
W
1K
MINI
R100
1/4W
MINI
1K
GNDA
4148
D27
250V
4N7
C112
C90
100V
10N
CHASSIS_GROUND
0
EC6
S
1
4148
D21
4148
D25
+15VIP
R103
1/4W
MINI
1K2
63V
C64
330N
R27
1/4W
470R
DPDT3
3392
W21
AC WHT
WHT
250V
C102
100N
-15VIP
+15VIP
U13:A
TL072
R128
1
/4
W
1M
C67
100V
82N
+15VIP
R129
1
/4
W
620K
MINI
63V
C60
180N
R110
1/4W
MINI
4K7
C72
63V
100N
1
/4
W
1K
R7
MINI
R123
1/4W
2R2
1
2
0
V
2
4
0
V
1
2
3
4
5
6
R89
1/4W
MINI
10K
R121
1/4W
MINI
100K
1
/4
W R9
22K
MINI
CH1337U
1
/4
W R131
20K0
MINI
R14
1
/4
W
150R
MINI
1
/4
W R16
220K
.
VIO
RED
1
W7:A
3
1
W8:A
4
RED
4
W8:D
4
3
W8:C
4
D9
BAT85
Q1
5108
TO92
2N5401
U15:B
LM13600N
-15VIP
1/4W
R91
RAD
27K
4007
D55
4007
D50
R198
1
/4
W
10K
RAD
D47
4148
R115
1
/4
W
22K
MINI
1
/4
W
100K
R169
RAD
R158
1
/4
W
13K
.
-22V
+22V
C109
100V
100N
R140
1/4W
.
2K2
PSGND
1N5245B
D12
0W5
15V0
-15VIP
U20:A
TL072
8
V
+
4
V
-
U20:C
U17:A
TL072
-24 dB/OCT HP
R98
1
/4
W
43K
.
-15V
18uH
3899
R170
C103
4U7
63V
4007
D34
Q2
5103
MPSA06
TO92
1
/4
W
1M
R3
RAD
+147V
1
/4
W
100K
R28
MINI
R163
SOLID
22AWG
1
/4
W
R95
10K
MINI
X2
-15VIP
8
V
+
4
V
-
U23:C
-15VIP
MR752
D61
4148
D33
MR752
D53
MR752
D48
YEL
D13
LIMIT
1
/4
W
1K5
R25
MINI
1
/4
W
1K
R136
MINI
4148
D6
R117
1/4W
MINI
100K
C65
100V
22N
R96
1/4W
12K
R159
1
/4
W
1M
C68
100V
82N
X4
U24:B
TL072
-147V
C1
2
3
:A
3
3
0
0
U
1
8
0
V
C76
250V
4N7
R112
1/4W
MINI
33K
R84
1/4W
MINI
470K
C19
100V
47N
-15VIP
+15VIP
1
/4
W
2M2
R162
.
"STYLE_P34"
1
2
3
J1
THRU A
4100
S G
TO-92
2N5638
D
J109
R21
1.0W
0.5%
9K76
R5
1.0W
0.5%
9K76
B C
TO-92
MPSA63
MPSA43
2N5551
E
MPSA56
MPSA06
MPSA13
2N5401
R4
1/4W
0.1%
17K40
U12:B
TL072
8
V
+
4
V
-
U12:C
U12:A
TL072
D35
4148
+15VIP
Q21
MPSA13
TO92
5105
U19:A
TL072
8
V
+
4
V
-
U19:C
R119
1/4W
MINI
6K8
R133
1
/4
W
22K
MINI
D
B
P2:A
2339
10K
BOOST FREQ.
0
EC1011
C59
63V
150N
C69
63V
150N
U16:B
NE5532N
100V
C137
100N
1
/4
W
1K5
R164
MINI
R202
2.0W
.
1K8
TO92
2N5551
Q5
5107
R104
1
/4
W
22K
MINI
R107
1
/4
W
22K
MINI
R101
1
/4
W
3K3
MINI
8
V
+
4
V
-
U16:C
D
B
2339
10K
HF ROLLOFF
P6:A
R116
1
/4
W
2K
MINI
3392
W9
AC BLK
BLK
8
V
+
4
V
-
U13:C
R139
1
/4
W
10K
MINI
100V
C62
47N
C73
63V
100N
U1
5
:E
1
/4
W
1K
R134
MINI
U21:A
TL072
8
V
+
4
V
-
U21:C
400V
C93
2N2
R11
1
/4
W
47K
MINI
3
W7:C
3
4007
D49
1
/4
W
R90
15K
MINI
4007
D56
R71
1/4W
.
2K2
U21:B
TL072
C70
100N
C116
100V
4148
D46
R126
1/4W
RAD
10K
4148
D2
4148
D14
PSGND
63V
C110
4U7
R9
3
1
/4
W
4
K
1
2
D
B
2339
10K
HF ROLLOFF
P6:B
U24:A
TL072
330N
63V
C61
C78
100V
82N
250V
C9
4N7
C6
3
:A
3
3
0
0
U
1
8
0
V
8
V
+
4
V
-
U24:C
100V
C79
100P
C B
TO-126
MJE350
MJE340
BD238
MJE270
BD139
BD140
E
BD237
MJE271
B C E
TO-220
BDX54B-54C
BDX53B-53C
8
V
+
4
V
-
U14:C
-15V
GNDA
CHASSIS_GROUND
CHASSISSCREW
C30
50V
22U
105Vrms
105Vrms
R32
2.0W
.
3R9
4148
D32
C14
63V
150N
DNS FOR LS701P
-36 dB/OCT HP
+15VIP
-15VIP
NET00080
X6
BREAKER
-15VIP
GNDA
100V
C131
100N
D18
18V0
0W5
1N5248B
+15VIP
PSGND
100V
C119
100N
1N5248B
D4
0W5
18V0
100V
C133
100N
U19:B
TL072
R18
1
/4
W
681R0
0.1%
1
/4
W
100K
R130
RAD
100V
100P
C8
IGND
R23
1
/4
W
681R0
0.1%
S
W
2
:B
3
5
2
2
DO
W
N
UP
1
/4
W
113K
R146
.
18uH
3899
R167
PSGND
#2401
4 AMP
#2401
4 AMP
N.A.
CE
BREAKER
YS #2401 4 AMP
IEC_RECT
100V
C121
100N
Q6
5107
TO92
2N5551
D26
4148
POWER LED
L4
GRN
POWER
6408
4148
D11
U16:A
NE5532N
C23
63V
220N
GNDA
R108
1
/4
W
68K
.
P6:C
-12 dB/OCT HP
D
2339
P5:A 10K
B
LEVEL
4
6 W3:D
3
6 W3:C
5
6 W3:E
6
6 W3:F
2 3
4
1
1
6 W3:A
6
6 W10:F
3
6 W10:C
4
6 W10:D
5
6 W10:E
250V
680N
C106
3
2
1
1
6 W10:A
1
/4
W
1K
R137
MINI
R86
1/4W
.
953R
R114
1
/4
W
22M
R8
1
/4
W
150R
MINI
U15:A
LM13600N
R13
1/4W
MINI
22K
1
/4
W R109
100K
MINI
C7
16V
33U
CENTER TAP
R35
2.0W
.
3R9
OUT
IN
GND
MC7915CT
6871
.
U31
TO220
.
18uH
3899
R171
+15V
50V
2200U
C105
R30
2.0W
.
3R9
OUT
IN
GND
MC7815CT
6872
.
U30
.
TO220
SILENT
1
/4
W R132
8M2
MINI
1
/4
W R26
100K
MINI
ON POWER AMP
BOARD
R122
1/4W
MINI
5K1
R127
1/4W
MINI
10K
Rolloff
Frequency
R17
1
/4
W
47K
MINI
INSERT FOR LS720P
63V
C77
220N
U23:B
TL072
1
/8
W
249R
R161
FLMP
LVGND
U17:B
TL072
B E
TO-92
BC560C
C
BC550C
X5
C74
63V
180N
(VCC)
LM13600N
Dual VCA
6745
U15:D
{Function}
(VCC)
LM13600N
Dual VCA
6745
U15:C
{Function}
S
W
2
:A
3
5
2
2
DO
W
N
UP
1
/4
W R1
17K40
0.1%
S4
DPDT Switch
R106
1
/4
W
47K
MINI
R102
1
/4
W
47K
MINI
63V
C40
100N
R97
1/4W
12K
R99
1/4W
4K12
D
B
P2:B
2339
10K
BOOST FREQ.
U18:A
TL072
2
6 W3:B
2
6 W10:B
8
V
+
4
V
-
U18:C
400V
2N2
C94
U14:B
NE5532N
R34
2.0W
.
3R9
4007
D30
C111
2200U
50V
Q4
5108
TO92
2N5401
1
/4
W
1K
R135
MINI
C75
63V
150N
R199
1
/4
W
2K
MINI
U23:A
TL072
U20:B
TL072
SIGNAL TO
AMP INPUT
8
V
+
4
V
-
U17:C
R160
1/4W
0.1%
4K12
D S
TO-247
IRFP23N50L
G
IRFP9040N
DNS FOR LS720P
INSERT FOR LS701P
LS701P M1485
LS720P M1330
INSERT JUMPER FOR
CORRESPONDING PRODUCT
1300UH
L5
6492
U13:B
TL072
50HZ BOOST +3dB
U14:A
NE5532N
D
2339
P5:B 10K
B
LEVEL
RING
INP
UT
A
J
7
RING
T
HRU
A
J3
TO POWER AMP PCB
POWER SUPPLY
CHASSIS GROUND
TO AMP GROUND
MADE THROUGH
METAL SPACERS
U18:B
TL072
REF
KNOB
PART#
MODEL(S):-
FUNCTION
POT LIST
#8653
#8653
#8653
N
N
N
N
N
N
N
N
N
GREY
GREY
GREY
K
K
K
K
K
K
K
K
K
#2339
#2339
#2339
P
P
P
P
P
P
P
P
P
MAIN GAIN
LOW PASS ADJ
BOOST ADJ
F
F
F
F
F
F
F
F
F
P1
P3
P4
R
R
R
R
R
R
R
R
R
LS701P
KNOB #
