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A
B
C
1
2
INPUTS[J1]
3
4
4
4
100N
100N
C29
C30
U2:E
U3:E
63V
63V
11
11
100N
100N
C69
C259
5
63V
63V
MAINS VOLTAGE INPUT SETTING (NA<->CE)
6
7
8
9
SET JUMPER P200 TO "115V" FOR NORTH AMERICA.
SET IT TO "230V" FOR EUROPE.
10
11
A
B
C
D
E
F
G
.
6K8
C15
1/4W
47N
100V
R12
BASS
.
6K8
1/4W
M
R13
50K
P5
1B LIN
4494
R18
47K
.
R69
1/4W
100K
.
10N
C17
100V
1B LIN
4494
50K
P3
R14
R16
1/4W
M
1/4W
4K7
4K7
LOW-MID
.
.
100V
18N
C12
C13
680P
100V
1B LIN
4494
50K
P4
R15
R17
1/4W
M
1/4W
3K3
3K3
TREBLE
.
.
C16
680P
100V
D
E
F
G
H
I
J
100V
100P
C19
C40
R24
10N
100V
1/4W
1K0
MINI
R79
HI-MID
1/4W
R22
R72
1K0
1/4W
M
1/4W
MINI
MC33079P
4K99
4K99
50K
P6
MINI
.
.
1K0
1B LIN
4494
1/4W
U2:A
R117
10N
C18
100V
R53
R54
1/4W
1/4W
200K
200K
.
.
100P
C14
100V
C41
100P
100V
MC33079P
MC33079P
U2:B
U2:C
LEADS & PINS REFERENCE
MC33079P (YS#6804)
TL072CP (YS#6882)
MC33078P (YS#6840)
J109 (YS#5122)
DIP14
DIP8
H
I
J
K
L
M
R167
1/4W
2K
.
R132
1/4W
1K0
R169
C9
MINI
MC33079P
1/4W
10U
15K
.
U3:A
100V
22N
C2
R19
MC33079P
1/4W
R232
R21
3K9
1/4W
1/4W
U3:B
2K
20K0
.
MINI
330N
C52
63V
R75
1/4W
6K98
R55
.
MC33079P
1/4W
6K98
C33
C38
.
U2:D
4N7
250V
220N
63V
R63
R32
1/4W
6K98
1K0
.
MINI
POTENTIOMETERS AND KNOBS
MODEL(S):-
REF
FUNCTION
MPSA13 (YS#5105)
P1
GAIN
MPSA42 (YS#5113)
P3
LOW-MID
P4
TREBLE
P5
BASS
P6
HI-MID
P8
LOW EXPANDER
R
F
R
F
R
F
D
S G
E
B C
R
F
TO-92
TO-92
R
F
R
F
MODEL(S):-
#
DATE
1
08-JAN-2013
2
13-MAY-2013 V02
3
09-JUL-2013
4
11-SEP-2014
5
03-DEC-2014
6
7
8
D
9
D
10
D
11
D
12
D
13
D
K
L
M
N
O
P
16V
P8
INPUTS[M1]
M
4493
LOW EXPANDER
10K
5B LIN
R80
2K
.
R113
1/4W
20K0
MINI
MC33079P
MC33079P
U3:D
U3:C
M1503 - POTS LIST
SMALL BLOCK - SB110
PART#
KNOB
STYLE
4499
10020
P41
4494
10020
P41
4494
10020
P41
4494
10020
P41
4494
10020
P41
4493
10020
P41
P
K
N
P
K
N
P
K
N
P
K
N
P
K
N
P
K
N
M1503 DATABASE HISTORY
SMALL BLOCK - SB110
VER#
DESCRIPTION OF CHANGE
V01
FIRST PRODUCTION RELEASE
PC8540: Several changes. See PC.
V03
PC8550: Routed auxiliary signal to headphones. - ML
PC#8696:Replace R29 2K05 to 4K99(YS#4639).
V04
PC#8734:D2,D5 YS#6438 (1N4007)added across the -
- output-of 7815 and 7915 regulators.
PC#8738:C20,C22 changed from 33P to 100N YS#5212.
V
N
V
N
V
N
V
N
V
N
V
N
Product
SB110
TONE CONTROLS
PCB#
M1503
Sheet
Date:
Thu Dec 04, 2014
Rev:
V04
YsType: YsType
Filename:
M1503V04sch.sch2006
N
O
P
Q
1
2
3
4
5
6
7
8
9
10
2
of
3
11
Q
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