YORKVILLE SB110 Service Manual page 19

LEADS & PINS REFERENCE
MC33079P (YS#6804)
1
14
TL072CP (YS#6882)
1 4
2
13
MC33078P (YS#6840)
3
12
4 +V -V 1
11
5 10 2
6 3
9
2 3
7 4 -V
8
DIP14
M1505 DATABASE HISTORY
MODEL(S):- SMALL BLOCK - SB112
# DATE VER# DESCRIPTION OF CHANGE
1 JAN-08-2013 V01 FIRST PRODUCTION RELEASE. - ML
2 02-MAY-2013 V Modified schematic to reflect rework done
3 D V on all V01 PCBs. - ML
4 13-MAY-2013 V02 PC8540: Rework on V01 included.
5 09-JUL-2013 V03 PC8550: Routed auxiliary signal to headphones. - ML
6 11-SEP-2014 PC8696: Replace R65 2K05 to 4K99 (YS 4639)
7 5-DEC-2014 V04 PC#8734:D2,D5 YS#6438(1N4007)added across the-
8 -output of 7815 and 7915 regulators.
9 PC#8738:C20,C22 changed from 33P to 100N YS#5212.
10 D V N
11 D V N
12 D V N
13 D V N
J109 (YS#5122)
+V 8
A
7
B
6
5
D S G
DIP8 TO-92
GG
SEE LAYOUT DIAGRAM
POTENTIOMETERS AND KNOBS
MODEL(S):-
REF
MPSA13 (YS#5105)
P1
MPSA42 (YS#5113)
P3
P4
P5
P6
P8
R
R
R
E B C
R
TO-92
R
R
M1505 - POTS LIST
SMALL BLOCK - SB112
FUNCTION PART# KNOB STYLE
GAIN 4499 10020 P41
LOW-MID 4494 10020 P41
TREBLE 4494 10020 P41
BASS 4494 10020 P41
HI-MID 4494 10020 P41
LOW EXPANDER 4493 10020 P41
F P K N
F P K N
F P K N
F P K N
F P K N
F P K N