Table of Contents
Advertisement
A
B
C
1
INPUTS[J1]
2
3
4
4
4
100N
100N
C29
C30
U2:E
U3:E
63V
63V
11
11
100N
100N
5
C69
C259
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
R79
C15
1/4W
1/4W
47N
100V
R12
1K0
MINI
BASS
.
6K8
1/4W
M
R13
50K
P5
1B LIN
4494
R18
47K
.
R69
1/4W
100K
.
10N
C17
100V
4494
1B LIN
P3
50K
R14
R16
1/4W
M
1/4W
4K7
4K7
LOW-MID
.
.
100V
18N
C12
C13
680P
100V
4494
1B LIN
P4
50K
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
HI-MID
R22
R72
1/4W
M
1/4W
4K99
4K99
MC33079P
MINI
50K
P6
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
C33
MC33079P
4N7
U2:B
U2:C
LEADS & PINS REFERENCE
MC33079P (YS#6804)
TL072CP (YS#6882)
MC33078P (YS#6840)
J109 (YS#5122)
D
S G
DIP14
DIP8
TO-92
H
I
J
K
L
M
R167
1/4W
2K
.
R132
1/4W
1K0
R169
C9
MINI
MC33079P
1/4W
10U
16V
15K
.
U3:A
LOW EXPANDER
100V
22N
C2
R19
MC33079P
1/4W
R232
R21
2K49
.
1/4W
1/4W
U3:B
2K
20K0
.
MINI
330N
C52
63V
R75
1/4W
6K98
R55
.
1/4W
MC33079P
6K98
C38
.
U2:D
250V
220N
63V
R63
R32
1/4W
6K98
2K49
.
.
POTENTIOMETERS AND KNOBS
M1507 - POTS LIST
MODEL(S):-
SMALL BLOCK - SB115
REF
FUNCTION
MPSA13 (YS#5105)
P1
GAIN
MPSA42 (YS#5113)
P2
MASTER
P3
LOW-MID
P4
TREBLE
P5
BASS
P6
HI-MID
P8
LOW EXPANDER
R
F
R
F
E
B C
R
F
TO-92
R
F
R
F
MODEL(S):-
SMALL BLOCK - SB115
#
DATE
VER#
1
08-JAN-2013
V01
2
13-MAY-2013
V02
3
11-JUL-2013
V03
4
11-SEP-2014
5
09-DEC-2014 V04
6
7
8
D
V
9
D
V
10
D
V
11
D
V
12
D
V
13
D
V
K
L
M
N
O
P
Q
4493
INPUTS[M1]
M
P8
5B LIN
10K
R80
2K
.
R113
1/4W
20K0
MINI
MC33079P
U3:D
MC33079P
U3:C
PART#
KNOB
STYLE
4499
10020
P41
4493
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
M1507 DATABASE HISTORY
DESCRIPTION OF CHANGE
FIRST PRODUCTION RELEASE
PC8540: Several changes. See PC.
PC8550: Routed auxiliary signal to headphones. - ML
PC8696: Replace R65 2K05 to 4K99 (YS 4639)
PC#8734:D2,D5 YS#6438(1N4007)added across the-
-output of 7815 and 7915 regulators.
PC#8738:C20 and C22 changed from 33P to 100N YS#5212.
N
N
N
N
N
N
Product
SB115
TONE CONTROLS
PCB#
M1507
Sheet
2
of
Date:
Tue Dec 09, 2014
Rev:
V04
YsType: YsType
Filename:
M1507V04sch.sch2006
N
O
P
Q
1
2
3
4
5
6
7
8
9
10
3
11
Advertisement
Table of Contents
