Publicité
A
B
C
1
INPUTS[J1]
IN
2
IG
+15V
3
+15V
4
4
100N
100N
C29
U3:E
U4:E
63V
63V
11
11
-15V
-15V
100N
100N
C69
4
63V
63V
SG
SG
5
POTS AND KNOBS
M1591
SB500H
MODEL(S):-
6
REF
FUNCTION
PART#
KNOB
STYLE
P1
GAIN
4455
10030
P40
P2
MASTER
4455
10030
P40
P3
LOW-MID
4453
10030
P40
P4
TREBLE
4453
10030
P40
P5
BASS
4453
10030
P40
P6
HI-MID
4453
10030
P40
P8
LOW-EXPANDER
4417
10030
P28
R
F
P
K
N
7
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
LEADS & PINS REFERENCE
8
TLO74CN (YS#6889)
TL072CP (YS#6882)
MC33079P (YS#6804)
MC33078P (YS#6840)
9
"STYLE_P28"
DIP8
DIP14
MPSA13 (YS#5105)
10
MPSA42 (YS#5113)
J109 (YS#5122)
MPSA63 (YS#5106)
"STYLE_P40"
D
S G
E
B C
11
TO-92
TO-92
A
B
C
D
E
F
G
C15
47N
100V
BASS
.
6K8
.
T
B
NET00080
1/4W
M
6K8
R79
R13
1/4W
1/4W
50K
P5:A
R12
1K0
B
4453
MINI
R18
47K
IG
.
R69
1/4W
100K
.
10N
C17
100V
B
4453
50K
P3:A
R14
R16
T
B
1/4W
M
1/4W
4K7
4K7
LOW -MID
.
.
C30
100V
18N
C12
C13
680P
100V
SG
C87
B
4453
50K
P4:A
R15
R17
T
B
1/4W
M
1/4W
3K3
3K3
TREBLE
.
.
C16
680P
100V
M1591.PCB_DATABASE_HISTORY
MODEL(S):-
SB500H
#
DATE
VER#
DESCRIPTION OF CHANGE
1
MAY-21-2014
V01
FIRST PRODUCTION REVISION
.
PC#8734: Tack on 1N4007 YS#6438 diodes to U9,U11.
2
V01
NOV-23-2015
V02
PC#8734 IMPLEMENTED.
3
4
D
V
N
5
D
V
N
6
D
V
N
7
D
V
N
8
D
V
N
9
D
V
N
10
D
V
N
11
D
V
N
12
D
V
N
13
D
V
N
MAINS VOLTAGE INPUT OPTIONS (NA<->CE)
230V
115V
YS#4453
YS#4455
PLACE JUMPER AT P200 FOR 115V (NA) OPERATION.
PLACE JUMPER AT P201 FOR 230V (CE) OPERATION.
YS#4417
D
E
F
G
H
I
J
100V
100P
C19
C40
R24
10N
100V
1/4W
1K0
MINI
2
HI-MID
-
R22
R72
T
B
1
1/4W
M
1/4W
4K99
4K99
MC33079P
50K
P6:A
.
.
3
B
4453
+
SG
U3:A
10N
C18
100V
R53
R54
1/4W
1/4W
200K
200K
.
.
100P
C14
100V
6
-
C41
7
100P
100V
MC33079P
5
+
U3:B
9
-
8
MC33079P
10
+
SG
U3:C
H
I
J
K
L
M
R67
1/4W
2K
.
R68
2
1/4W
-
1K0
1
R62
C9
MINI
MC33079P
1/4W
10U
16V
3
15K
+
.
SG
U4:A
6
LOW EXPANDER
100V
22N
-
C2
7
R19
MC33079P
1/4W
R66
R21
5
2K49
+
.
1/4W
1/4W
U4:B
2K
20K0
.
MINI
330N
C52
63V
SG
R75
13
-
1/4W
6K98
14
R55
R63
.
1/4W
1/4W
MC33079P
12
6K98
3K40
C33
C38
+
.
.
U3:D
4N7
250V
220N
63V
SG
R32
6K98
.
SG
ICEpower125SAX2 block diagram
CAUTION HIGH VOLTAGE
2
1
Live
EMI
P100
FUSE
filter
Neutral
Enable
OC
Thermal
BTL sync
P102
Input channel 1
MECC
Input Filter
Control and
Audio in
and DC
HCOM
Input channel 2
blocking
Modulation
Chassis
RIBBON CABLE
W4
W4_
3
3
W4:C
12
IG
12 W4_:C
4
4
W4:D
12
IG
12 W4_:D
5
5
W4:E
12
-15V
12 W4_:E
6
6
W4:F
12
+15V
12 W4_:F
10
10
W4:J
12
SG
12 W4_:J
11
11
W4:K
12
SG
12 W4_:K
K
L
M
N
O
P
INPUTS[M1]
M
P8:A
NET00047
OUT
4417
5B LIN
10K
R80
2K
.
R73
1/4W
20K0
MINI
9
13
-
-
8
14
MC33079P
MC33079P
10
12
+
+
U4:C
SG
U4:D
ICE125SAX2
Vd aux
DC/DC
Rectification
P103
GND
converter
and
with
Vs aux
filtering
isolation
Output
stage and
Vo channel 1
Filtering
+5V
-5V
channel 1
GND
Output
stage and
Vo channel 2
Filtering
channel 2
GND
Chassis
Product
SB500H
TONE CONTROLS
PCB#
M1591
Sheet
Date:
Tue Nov 24, 2015
Rev:
V02
YsType: Yorkville
Filename:
M1591V02sch.sch2006
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