11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
M
M
N
N
O
O
P
P
Q
Q
Product
Tweeter/Mid Amplifiers
Date:
Filename:
PCB#
m1233v1.00sch.sch2002
U15P
Mon Aug 28, 2006
M1233
of
Sheet
Rev:
3
2
V1.00
Product
Tweeter/Mid Amplifiers
Date:
Filename:
PCB#
m1233v1.00sch.sch2002
U15P
Mon Aug 28, 2006
M1233
of
Sheet
Rev:
3
2
V1.00
4148
D9T
4148
D10T
2.0W
2K2
R39T
.
4
W2T:D 4
TP1T
TP2T
R30T
1/4W
.
10R
50V
C10T
10N
R8T
1/4W
.
10R
2
W2T:B 4
3
W2T:C 4
C5T
R2T
1/4W
0.1%
37K90
R1T
1/4W
0.1%
4K12
1/4W
12K
R11T
.
1/4W
100K
R27T
.
1/4W
390R
R12T
.
1/4W
20K
R13T
.
1/4W
10K
R10T
.
TO92
MPSA56
Q3T
6780
1/4W
56K
R9T
.
4148
D5T
4148
D15T
1/4W
750R
R5T
.
TO92
BC550C
Q2T
5101
4148
D7T
1/4W
100K
R7T
.
C12T
50V
100N
1/4W
33K
R20T
.
4148
D11T
1/4W
270K
R19T
.
C6T
50V
100N
1/4W
390R
R14T
.
1/4W
33R2
R34T
.
TO92
BC550C
Q11T
5101
R36T
1/8W
FLMP
150R
D17T
4148
R21T
1/8W
FLMP
150R
1/4W
3K16
R18T
.
1/4W
33R2
R17T
.
4148
D19T
4148
D12T
MJL21193
TO3P
6991
Q9T
R40T
1/4W
.
10K
25V
C14T
330U
1N5402
D14T
CSA-7
A/
AG
C
8
V+
4
V-
U1T:C
50V
C4T
10N
1
W2T:A 4
1
2
4N35
U2T:A
6880
1/4W
270R
R6T
.
TO92
BC560C
Q5T
5102
1/4W
3K16
R35T
.
MJL21194
6988
TO3P
Q13T
5.0W
0R15
R23T
.
5.0W
0R15
R38T
.
R22T
1/4W
.
33R
1N5402
D21T
25V
C8T
330U
4148
D20T
CSA-7
A/
AG
C
M
Lin
P1T
4524
4K7
.
C3T
50V
33P
4148
D1T
C11T
50V
1N2
R29T
1/4W
.
33R
R28T
1/4W
.
33R
R3T
1/4W
0.1%
7K96
R4T
1/4W
0.1%
681R0
C2T
100V
100P
C1T
16V
33U
SIGNAL
GND
4148
D4T
4148
D3T
4148
D2T
R31T
1/4W
.
390R
1/4W
270R
R33T
MINI
R37T
1/4W
.
68R
1/4W
6K98
R32T
.
NTC
10K
Q7T
6467
TO92
BC560C
Q1T
5102
4148
D6T
BAT85
D8T
0A2
TO92
MPSA06
Q4T
5103
R15T
1/4W
.
120R
1/4W
270R
R16T
MINI
C7T
50V
1N
F2T
1N5246B
D18T
0W5
16V0
50V
C9T
220N
25V
C13T
100U
4
W1T:D
0
7
W1T:G
0
6
W1T:F
0
8
W1T:H
0
5
W1T:E
0
1
W1T:A
0
2.0W
2K2
R24T
.
4
6
5
4N35
U2T:B
6880
U1T:A
MC33078P
1/4W
100K
R42T
.
BAT85
D16T
0A2
U1T:B
MC33078P
MJF15031
6811
Q12T
T221D
TO92
BC550C
Q6T
5101
MJF15030
6810
Q8T
T221D
TO92
MPSA56
Q10T
5104
1N5246B
D13T
0W5
16V0
2.0W
3R9
R25T
.
3
W1T:C
0
2
W1T:B
0
F1T
Adjust bias trim P1T to measure 4.5mV between TP1T and TP2T
FROM INPUT BOARD
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
MODEL(S):-
DATE
DESCRIPTION OF CHANGE
V
V
V
P3
P3
V
V
V
V
V
V
V
D
D
D
2-NOV-2005
4JUL2005
N
N
N
Added R41T,41M,42T,42M
Changed 6115 --> 4992
D
D
D
D
D
D
D
N
N
N
N
N
Changed Q10T,M from 6780 to 5104
Removed routed finger holes
M1233 Database History
U15P
14FEB2006
1V0
Removed R41M,T, shorted pin3 of U1M,T to GND
