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A
B
C
5
C36
1
68N
100V
J1
S
R
T
6
-
-
-
PASSIVE INPUT (0dB)
330P
C4
2
50V
5
R10
R7
1M
1/4W
.
20K0
J2
S
R
T
MINI
6
-
-
-
ACTIVE INPUT (-6dB)
3
R9
C7
1/4W
33N
100V
47K
.
10K0
1/4W
R23
4
5
C37
-
-
-
6
33N
100V
R59
6
S
R
T
J6
2K49
4148
AUX IN
D23
R99
C10
1/4W
5
10K0
470N
.
63V
R81
C45
1/4W
33N
10K0
100V
.
R60
2K49
7
C44
33N
100V
W6
100U
100U
W6:A
2
8
C3
C5
RAD
.2in
25V
RAD
.2in
25V
W6:B
2
R34
1/4W
47R
.
R8
Q1
1/4W
5113
100R
.
R5
MPSA42
TO92
2K
.
9
10
100N
100N
100N
U1:C
C26
U7:C
C32
U9:E
C27
U14:C
63V
63V
63V
100N
100N
100N
C71
C28
C35
63V
63V
63V
11
A
B
C
D
E
F
G
R58
1/4W
1K2
.
R11
R76
R87
1/4W
1/4W
C11
1/4W
10K0
10K0
10U
1K0
.
.
MINI
R74
1/4W
1K0
MINI
TL072
R86
1/4W
TL072
U1:B
1K0
P1
U1:A
R181
1K0
MINI
10U
C46
16V
220N
63V
220N
63V
U8:A
.
C39
C54
MC33079P
R168
27K
R136
.
10K0
.
.
4K99
1/4W
4493
10K
R26
P2
5B LIN
R42
M
1/4W
2K
MASTER
MC33079P
R3
1/4W
U8:D
10K0
.
R27
4K99
U8:B
.
MC33079P
R61
1/4W
2K49
R172
1/4W
10K0
C58
100V
100P
LIMITER
R30
FAN
4M7
W5
.
S3:A
2
W5:A
S3:B
R40
2
W5:B
2K2
.
R41
.
100K
3K
R28
.
MC7815CT
IN
6872
100N
C20
63V
100N
100N
P103
W2
C42
U8:E
C101
1
63V
63V
W2:A
3
2
W2:B
3
3
W2:C
3
100N
100N
100N
C22
C43
C102
63V
63V
63V
D
E
F
G
H
I
J
R176
U14:A
1/4W
16V
1K0
16V
10U
MINI
MC33078P
C8
GAIN
R177
R178
M
1/4W
1/4W
470R
4K7
5K 10C
.
.
C1
100P
100V
MC33078P
U14:B
MC33078P
R50
U7:A
1/4W
10K0
.
U8:C
R49
1/4W
MC33079P
.
30K
10K0
1/4W
.
MC33078P
R51
U7:B
.
30K
1/4W
R150
100V
100P
1N750ARL
C34
ZD3
4V7
0W5
3
4
0W5
U5:B
SC2
4V7
6858
6858
ZD4
NSL-32SR2
NSL-32SR2
SC1
1N750ARL
U5:A
1
2
D6
4148
4148
4148
D1
D7
R25
TO92
2K2
6554
.
4148
5122
POWER
D4
LD1
Q9
BLU
J109
.
1M
1/4W
R39
0W5
RED
63V
22V0
1N5240BRL
LD2
R38
1U
4148
C21
D3
ZD5
DISABLED
22K
C70
10U
10V0
6405
.
63V
D8
0W5
W3
P104
1
2
W3:A
2
2
W3:B
U4
S2:B
S2:A
OUT
REF
1
1U
2
4007
C23
TWEETER (IN/OUT)
D2
63V
3
4
R233
C6
RAD POLY
5.0W
3U3
100V
10R
.
1U
4007
C24
D5
63V
6871
REF
IN
OUT
MC7915CT
U6
H
I
J
K
L
M
TONE CONTROLS[D2]
TONE CONTROLS[P2]
2 of 2
C55
63V
2U2
Bass
Low-Mid
Hi-Mid
Treble
Low
Expander
FLMP
681R
1/8W
U9:D
.
R174
100R
MC33079P
1/4W
.
4K99
R71
1/4W
50V
R65
C81
12N
.
.
4K99
470R
1/4W
1/4W
R70
R175
W4
P102
1
7
W4:A
2
oc
7
W4:B
3
Thermal
7
W4:C
4
7
W4:D
ICEpower50SAX2 block diagram
5
7
W4:E
6
7
W4:F
7
7
W4:G
CAUTION HIGH VOLTAGE
R35
S4
Live
R36
2K2
100K
.
.
MPSA13
Mains
fuse
Q2
White
R37
5105
Neutral
47K
TO92
.
1
Enable
2
OC
IEC_RECT
3
90V TO 260V INPUT.
Thermal
SEE PAGE 2 OF 2
FOR DETAILS.
P102
4
Input ch-2
Input
Audio in
Filter
7
Input ch-1
5,6
AGND
W1
RED
4
W1:A
YEL
4
W1:B
BLK
4
W1:C
4
W1:D
Woofer
Tweeter
8R 30W
4R 200W
YS#7552
YS#7556
K
L
M
N
O
P
R2
1/4W
MC33079P
270R
.
U9:A
R1
100K
.
R4
1/4W
MC33079P
270R
.
U9:B
R33
1/4W
MC33079P
270R
.
U9:C
5
T
R
S
6
-
-
-
R6
1/4W
10K0
3923
.
R57
C31
LINE OUT
1/8W
22U
50V
681R
FLMP
J4
R64
C47
1/8W
22U
50V
681R
S1:A
S1:B
FLMP
UP
UP
R20
1/4W
GND / LIFT
10K0
.
DOWN
DOWN
ICE50SAX2
1
Vd aux
DC/DC
Rectification
2
GND
EMI
Converter
and
3 Vs aux
FILTER
with
Fitering
isolation
Output
Vo ch1
stage and
GND
Filtering
ch.1
MECC
Audio out
Control and
HCOM
Output
Modulation
Vo ch2
stage and
GND
Filtering
ch.2
AGND
Product
SB115
INPUTS
PCB#
M1507
Sheet
Date:
Tue Dec 09, 2014
Rev:
V04
YsType: YsType
Filename:
M1507V04sch.sch2006
N
O
P
Q
1
2
3
PHONES
J3
4
5
6
7
P103
8
9
P104
10
1
of
3
11
Q
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