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B
C
D
A
1
2
3
W1:H
8
W1:G
8
W1:F
8
W1:E
8
W1:D
8
4
R205
W1:C
8
1/4W
47K
W1:B
8
W1:A
8
4148
D17A
5
2N5551
Q12A
R56A
6
1/4W
17K8
.
R40A
R43A
2N2
400V
1/4W
1/4W
220R
C20A
3K
7
2N5401
Q13A
4148
D18A
8
9
Q31
AS35FN
VCC
OUT
GND
10
11
12
13
M1126 Database History
MODEL(S):-
AP4020
14
#
DATE
VER#
DESCRIPTION OF CHANGE
1
OCT/97
1.00
FIRST PRODUCTION
2
NOV/10/97
1.01
PC#5520 R35A 16K->20K ZD7 20V->16V
3
NOV/19/97
1.10
ROUTING ADDED. HOLE SIZE CHANGES
4
DEC/04/97
1.20
PC#5533 R36,R39 68K->47K. R40B/R35A 20K->16K
5
.
.
R31 47R->39R C10 680p->2n2. C8 2u2->1u
6
JAN/13/98
1.30
PC#5550 R36,R39 68K->47K. R40B,R35A 16K->13K
7
JAN/27/98
2.00
PC#5577 D21 MOVED. X31,X35 ADDED
8
JUN/19/98
2.01
PC#5567 C10,C15,C20A TO PT#5427 2n2
9
OCT/06/98
3.00
TRACE CHANGES TO ELIMINATE SHORTS PC#5729
15
10
.
.
X5,X6 MOVED
11
JAN/27/99
4.00
PC#5908 U1,U2 4N35->TLP621
12
JUN/11/99
5.00
ONE OF THREE SPEAKON JACKS DELETED
13
JUN/13/99
.
U1,U2 TLP621->4N35. SPKON PCB MOVED FOR SHEAR
1
AUG/12/99
6.00
CORRECT BRIDGED JACK TO A
2
MAY/31/01
7.00
PC#6381 ADD C33/C34,R86/R87 PC#6385 C2,C4 1n->2n2
3
SEP/2004
8.00
PC#6435 C33,C34 220p AXIAL->1n RADIAL. C2 2n2->6n8
4
.
.
PC#6438 ADD R88,R89
5
JAN/24/02
8.10
PC#6506 ZD10,ZD11 4V7->3V0
16
6
D
8.20
PC#6514 Q13->Q20 #6900->#6909. Q21->Q28 #6927->#6910
7
D
.
R5,R17 249FP->150RFP. R13 22K->43K. ZD5 12V->14V0
8
MAY/16/03
8.30
PC#6607 C10,C15,C20A #5427->#5208 2n2 400V
9
SEP/2004
9.00
REDO SOLDERMASK
10
21/JUN/06
9.10
PC#7083 Q11 MTP10N15SL TO IRF630NPBF
11
17/OCT/06
10.00
CONVERT TO PCAD2002
12
D
V
N
13
D
V
N
17
A
B
C
D
E
F
G
H
I
BC560C
Q3
Q14A
BC560C
Q15A
MJE340
MJE350
Q18A
Q1
BC550C
249R
D22A
4148
10K
RT1
D23A
M
4148
MJE350
Q19A
MJE340
Q16A
Q2
BC560C
BC560C
Q17A
Q21A
BC550C
BC550C
Q4
E
F
G
H
I
J
K
L
M
R87
1/4W
470R
R33
MJE340
1.0W
1R
Q40
MJL3281A
FLMP
Q5
R82
1/4W
200R
4148
FLMP
D1
D2
4148
R9
1/8W
FLMP
Q7
2N6517
R19
1/8W
249R
FLMP
D3
4148
D4
R84
1/4W
200R
4148
FLMP
C14
Q6
220N 250V
MJL1302A
MJE350
Q41
C33
400V
1N
MBS4942
C
J
K
L
M
N
O
P
Q
4N35
6
1
U1:B
ZD10
U1:A
R80
5
1/4W
2
220R
4
3V0
0W5
R30
C9
R31
C10
1/4W
1/4W
620R
4N7 250V
39R
2N2 400V
.
.
D
MTP10N15L
R29
Q11
G
1K5
.
5.0W
S
Q13
ZD8
16V0
1W0
MJ21196
R28
C11
1/2W
220N 250V
1R
MJ21196
.
Q14
R26
R34
C12
C30
1/4W
1/4W
22N 100V
22N 100V
470R
270R
BC550C
Q9
R55
1/8W
220R0
FLMP
R36
1/4W
68K
R24
.
1/4W
220K
R37
1/4W
22K
.
R70
1/4W
R38
18K
1/4W
22K
Q8
.
BC550C
R39
1/4W
68K
.
BC560C
Q10
R51
1/8W
220R0
FLMP
C13
R43
C31
R50
1/4W
1/4W
22N 100V
470R
22N 100V
270R
.
R49
1.0W
1R
FLMP
R44
1/2W
1R
.
MR854
ZD9
1W0
16V0
MTP23P06
R45
Q12
1K5
.
5.0W
R46
C15
R47
C16
1/4W
1/4W
2N2 400V
39R
470P 100V
1K
.
6880
R81
6
ZD11
4N35
1
1/4W
U2:B
220R
3V0 0W5
U2:A
5
MINI
2
4
2N5401
2N5551
2N6517
MPSA13
YS6909
MPSA43
MPSA56
BC550C
MPSA63
BC560C
AS35
B
E
BOTTOM
E
B C
VIEW
B E
TO-92
TO-92
STM-BTB-600BRG
G D S
E C B
B
C E
N
O
P
Q
R
S
T
U
{AWG}
{AWG}
BLK
RED
EY1
EY2
{Function}
{Function}
J1:A
Function
SPEAKON 4C
3628
1+
D21
1_
MJ21196
MJ21196
MJ21196
MR854
2+
Q15
Q17
Q19
SPEAKON 4C
Function
J1:B
D22
D13
D14
D15
MR854
MR854
J2:A
MR854
MR854
Function
SPEAKON 4C
3628
1+
Q18
Q20
Q16
MJ21196
1_
MJ21196
MJ21196
2+
SPEAKON 4C
Function
J2:B
R63
5R6
5.0W
.
L1
4UH
MJ21195
MJ21195
MJ21195
MJ21195
Q22
Q24
Q26
Q28
D16
D17
D18
D19
MR854
MR854
MR854
MJ21195
MJ21195
MJ21195
MJ21195
Q21
Q23
Q25
Q27
D20
MR854
R65
1/4W
10R
Product
Product
POWER AMP
POWER AMP
AP4020
AP4020
PCB#
PCB#
M1126
M1126
Sheet
Sheet
Date:
Date:
Wed Oct 18, 2006
Wed Oct 18, 2006
Rev:
Rev:
10V00
10V00
Filename:
Filename:
M1126-10V00sch.sch2002
M1126-10V00sch.sch2002
R
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U
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4
2_
3628
5
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8
9
10
11
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12
13
14
15
16
1
1
of
of
2
2
17
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