LEAD/PIN REFERENCE
SEE PRODUCTION NOTES
C
E
B
TO-92
BC560C
BC550C
I
O
G
78XX
TO-220
E
C
B
TO-92
MPSA13
P
1
4
G2
8
5
NC
H
H
EL34
3
K
6
G1
2
NC
7
G3
2G
2K
1
9
1K
1G
4
H
6
2
3
H
8
7
2P
5
HT
1P
12AX7A
11
8
5
2
12
9
6
13
10
7
3
4
1
D
D
D
D
V
V
V
V
N
N
N
N
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
N
5
2
#
6
3
4
1
DATE
MODEL(S):-
VER# DESCRIPTION OF CHANGE
D
D
V
V
N
N
D
D
D
D
V
V
V
V
N
N
N
N
MODEL
M1423.PCB_DATABASE_HISTORY
4
1
6
5
3
#
2
MODEL(S):-
PC#
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
PENDING CHANGE
X
X
X
X
X
X
PC
PC
PC
PC
PC
PC
MODEL
M1423 PENDING CHANGES
12
9
6
3
#
13
11
10
5
4
8
7
2
1
DATE
MODEL(S):-
VER# DESCRIPTION OF CHANGE
D
D
D
D
V
V
V
V
N
N
N
D
D
D
D
D
D
D
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
{MODEL}
M1423
11-JAN-2011 V01
V02
12-APR-2011
PC8221: #4160 new AC pattern. #4646 update. GG
PC8264: Change R4 #4776 with #6588 hand insert GG
11
8
5
2
12
9
6
13
10
7
3
4
1
D
D
D
D
V
V
V
V
N
N
N
N
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
N
FUNCTION
KNOB
REF
MODEL(S):-
PART#
R
R
R
R
R
R
R
F
F
F
F
F
F
F
P
P
P
P
P
P
P
N
N
N
N
N
N
N
N
N
N
N
N
K
K
K
K
K
K
K
{NEW}
M1423 Potlist
Iron Horse - IH40H
P1
P2
P3
P4
P5
GAIN
BASS
TREBLE
MASTER
Bias Trim
n/a
4425
4520
8430
8430
8430
8430
4444
4444
4424
"STYLE_P32"
