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A
B
C
5
1
C36
68N
100V
J1
S
R
T
6
-
-
-
330P
PASSIVE INPUT (0dB)
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
.
180N
63V
U8:A
.
C39
10K0
1/4W
MC33079P
R23
R168
27K
.
.
10K0
4
R136
5
1/4W
C37
-
-
-
10K0
6
33N
100V
R59
6
S
R
T
J6
2K49
D23
AUX IN
4148
R99
C35
1/4W
5
10K0
470N
.
63V
R81
C45
1/4W
33N
10K0
100V
.
R60
2K49
7
C44
33N
100V
100N
C26
100N
100N
63V
U1:C
U9:E
C27
U14:C
C42
U8:E
63V
63V
8
100N
100N
100N
C71
C28
C43
63V
63V
63V
9
W6
10
100U
100U
W6:A
2
C3
C5
RAD
.2in
25V
RAD
.2in
25V
W6:B
2
R34
1/4W
47R
.
R8
Q1
1/4W
MPSA42
100R
5113
R5
.
TO92
2K
.
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
180N
63V
C54
C10
10U
16V
R3
U8:C
.
U8:B
MC33079P
.
30K
1/4W
MC33079P
1N750ARL
R51
ZD3
.
4V7
30K
0W5
1/4W
R61
R150
1/4W
2K49
4V7
100V
100P
R172
ZD4
C34
1/4W
1N750ARL
10K0
0W5
C58
100V
100P
U5:B
0W5
6858
6858
22V0
NSL-32SR2
NSL-32SR2
D3
R40
U5:A
2K2
100N
.
C101
63V
D6
4148
4148
4148
100N
D1
D7
C102
63V
.
R30
4148
3K
4M7
D4
R28
.
U4
MC7815CT
IN
REF
6872
W5
FAN
100N
C20
P103
W2
63V
2
W5:A
1
W2:A
3
2
W5:B
2
W2:B
3
3
W2:C
3
100N
C22
63V
6871
IN
MC7915CT
D
E
F
G
H
I
J
TONE CONTROLS[D2]
R176
U14:A
1/4W
16V
1K0
16V
10U
MINI
MC33078P
C8
GAIN
R177
R178
M
1/4W
1/4W
270R
4K7
5K 10C
.
.
C1
Bass
100P
100V
MC33078P
U14:B
U8:D
MC33079P
.
10K0
1/4W
R27
.
10K0
1/4W
R26
TO92
.
1M
5122
1/4W
Q9
R39
R25
J109
C21
2K2
R38
6554
C70
4148
.
22K
POWER
10U
LD1
.
1U
D8
BLU
63V
63V
RED
1N5240BRL
LD2
ZD5
DISABLED
10V0
6405
0W5
W3
P104
1
2
W3:A
2
2
W3:B
TWEETER (IN/OUT)
S1:B
S1:A
OUT
1U
4007
C23
D2
63V
R6
C6
4007
RAD POLY
2.0W
1U
D5
3U3
100V
3R9
C24
.
63V
REF
OUT
U6
H
I
J
K
L
M
TONE CONTROLS[P2]
C55
(Sheet 2 of 2)
63V
2U2
Low-Mid
Hi-Mid
Treble
Low
Expander
R20
U9:C
1/8W
681R
R41
FLMP
MC33079P
1/4W
R29
100R
1/4W
12N
4K99
C32
.
50V
R31
R42
1/4W
1/4W
4K99
470R
.
W1
P102
1
7
W4:A
2
oc
7
W4:B
3
ICEpower50SAX2 block diagram
Thermal
7
W4:C
4
7
W4:D
SC2
5
7
W4:E
SC1
6
7
W4:F
7
7
W4:G
CAUTION HIGH VOLTAGE
S2
Live
R35
R36
2K2
100K
Mains
fuse
.
.
MPSA13
White
Q2
Neutral
R37
TO92
47K
1
5105
.
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
1
4
W1:A
YEL
2
4
W1:B
BLK
3
4
W1:C
Woofer
4
Tweeter
4
W1:D
8R 30W
4R 200W
YS#7552
YS#7554
K
L
M
N
O
P
R2
1/4W
MC33079P
270R
.
U9:A
R1
100K
R4
1/4W
.
MC33079P
270R
.
U9:B
R33
MC33079P
1/4W
270R
.
U9:D
5
PHONES
J3
T
R
S
6
-
-
-
R45
1/4W
10K0
.
R43
C25
1/8W
22U
50V
681R
.
FLMP
5X7MM .2in
R47
1/4W
R44
C31
10R
1/8W
22U
50V
FLMP
681R
.
FLMP
5X7MM .2in
R46
1/4W
10K0
.
ICE50SAX2
1
Vd aux
DC/DC
Rectification
2
EMI
Converter
GND
and
3
FILTER
with
Vs aux
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
SB110
INPUTS
PCB#
M1503
Sheet
Date:
Thu Dec 04, 2014
Rev:
V04
YsType: YsType
Filename:
M1503V04sch.sch2006
N
O
P
Q
1
2
3
4
5
LINE OUT
J4
6
7
P103
8
9
P104
10
1
of
3
11
Q
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