Schematic-m1545-psa2s-subwoofer 1/4, Psa2s, Gain – Yorkville PSA2S User Manual

Page 9: Add more bypass caps, Boost, Spacer ground here, Aluminum spacer to chassis, Peak limit detect, W1:h, W1:g

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Q

Q

Product

PSA2S

Date:
Filename:

PCB#

M1545V01SCH.sch2006

PSA2S

Wed Dec 12, 2012

M1545

of

Sheet

Rev:

5

1

V01

-15VIP

+15V

PSGND

4148

D39

A

X3

1/

4W

14K0

R83

.

1/

4W 1K5

R25

MINI

1/

4W 1K

R4

MINI

-15VIP

INPUTGND

+15VIP

GNDA

GNDA

+15VIP

+15VIP

LEDGND

R2

1/4W

0.1%

9K76

-15VIP

GNDA

+15VIP

4148

D7

DEBUMP

LEDGND

SIGNAL

-15V

+15V

NET00091

C18

25V

68U

C12

63V

470N

1/4W

10K

R28

MIN

I

R34

1/4W

12K

R56

1/4W

.

220K

R68

1/4W

.

1M

4148
D46

8

V+

4

V-

U1:C

18uH

3899

R204

1

2

3

J1

4100

8

V+

4

V-

U18:C

C6

100V

10N

R47

1/

4W

RA

D

1M

C1

200V

470P

1/

4W

R31

RAD

100K

8

V+

4

V-

U7:C

-15VIP

63V

C125

100N

GNDA

63V

C74

100N

LEDGND

4148

D40

IN-Speaker
OUT-Line

U15:

E

-15VIP

63V

C130

100N

4148

D35

TO92

MPSA13

Q21

5105

R120

1/4W

MINI

33K

1/

4W

R6
9K76

0.1%

1/

4W

R3

2K7

8

V+

4

V-

U19:C

1/

4W 47K

R92

MINI

4148
D15

R29

1/4W

.

4K99

GAIN

D

2339

P1:A

10K
B

8

V+

4

V-

U27:C

D6
4148

4148
D24

R88

1/4W

.

5K6

1/

4W 4K7

R95

C49

63V

470N

1/

4W 2K7

R116

.

L12

3899

18uH

L10

3899

18uH

L11

3899

18uH

1/

4W 470K

R7

MINI

C36

100N

63V

U18:A

TL072

4148

D11

SPACER GROUND
HERE

GNDA

R97

1/4W
18K7

.

C50

330N

63V

-15VIP

+15VIP

GNDA

X2

1/

4W 100K

R36

MINI

1/

4W 1K

R1

MINI

R84

1/4W

MINI

10K

1/

4W 15K

R49

MINI

LM13600N

U15:A

1/

4W 100K

R9

MINI

1/

4W

4K7

R32

MINI

R111
1/4W

MINI

470R

1/

4W 220R

R14

.

1/

4W 47K

R10

MINI

1/

4W 220K

R16

.

R13

1/4W

MINI

100K

1/

4W 27K

R33

4148
D9

4148

D3

TO92

Q1

2N5401

5108

1/

4W 15K

R55

MINI

U4:A

TL072

C120

50V

1N

C13

63V

220N

1/

4W 10K

R23

MINI

1/

4W 1K

R19

MINI

4148

D5

R127
1/4W

MINI

10K

R142
1/4W

MINI

10K

4148
D47

50V

C39

68N

1/

4W

470K

R18

MINI

1/

4W

220R

R39

.

MPSA06

Q2
5103

TO92

+15VIP

R112
1/4W

MINI

4K7

C17

63V

470N

SIGNAL

4010

J2

R165
1.0W

0.5%

9K76

R181
1.0W

0.5%

9K76

470P

C2

200V

63V

C124

100N

R5

1/4W

0.1%

17K40

1/

4W

270K

R119

MINI

63V

C131

100N

U19:A

TL072

R107

1/

4W 17K40

0.1%

TO92

2N5551

Q5

5107

1/

4W 47K

R93

MINI

1/

4W 22K

R91

.

1/

4W 47K

R89

MINI

1/

4W 22K

R90

.

63V

C37

100N

ALUMINUM
SPACER
TO CHASSIS

1/

4W 27K

R96

4148

D10

1/

4W 1M

R128

.

1/

4W 22M

R48

.

4148

D2

1/

4W 47K

R15

MINI

PEAK LIMIT
DETECT

1/

4W 1K5

R164

RAD

1/

4W 47K

R24

MINI

1/

4W

R73

2K87

1/

4W 1M

R159

.

100V

C14

68N

63V

C40

220N

LD2
YEL
6400

+15VIP

INPUTGND

-15V

RIBBON_GND

GNDA

8

W1:H

8

7

W1:G

8

RIBBON_GND

6

W1:F

8

5

W1:E

8

4

W1:D

8

3

W1:C

8

2

W1:B

8

1

W1:A

8

13in 8C-26AWG
RIB 1 W/LCK

RMS DETECT

R27

1/4W

.

470R

C21

25V

68U

C11

63V

470N

4148

D4

8

V+

4

V-

U40:C

8

V+

4

V-

U6:C

8

V+

4

V-

U4:C

8

V+

4

V-

U5:C

ADD MORE BYPASS CAPS

-15VIP

63V

C129

100N

-15VIP

63V

C126

100N

X8

265V

TO CHASSIS
GROUND

0

EC5

1/

4W

47K

R94

MINI

+15VIP

4148

D31

+15VIP

LD3

RED

6405

DOWN

Alternate

UP

S1:A
3522

1/

4W 4K99

R196

.

1/

4W

100K

R115

RAD

R21

1/

4W 681R0

0.1%

DOWN

UP

3522
S1:B

Alternate

D

B

10K

P1:B

2339

U5:A

NE5532N

63V

C47

100N

1N5248B
ZD2

0W5

18V0

8

V+

4

V-

U25:C

MUST BE PLACED
ON INPUT PCB
NEAR RIBBON

U25:A

TL072

Boost to
Match
Impedance

U7:B

TL072

0

XC19

TO POWER
AMP PCB

TO92

Q4

2N5551

5107

R86

1/4W

MINI

2K05

1/

4W

R118
2K21

U7:A

TL072

R121
1/4W

MINI

10K

C51

63V

470N

Rolloff
Frequency

R98

1/4W

.

4K12

(VCC)

LM13600N

Dual VCA

6745

U15:D

+15VIP

-15VIP

LD1
GRN
6408

R85

1/4W

.

68K

1/

4W 220R

R8

.

U15:B

LM13600N

1/

4W 47K

R17

MINI

U4:B

TL072

C94

220P

100V

Rolloff
Frequency

U6:A

TL072

R35

1/4W

MINI

15K

C16

63V

470N

R126
1/4W

MINI

10K

U27:A

TL072

Boost

R122
1/4W

.

2M2

U1:B

TL072

R123
1/4W

MINI

1K

U6:B

TL072

1/

4W 1K5

R113

MINI

63V

C127

100N

GROUND GNDA
NODES ON
POWER AMP

U19:B

TL072

U25:B

TL072

R42

1/

4W 681R0

0.1%

1N5248B
ZD1

0W5

18V0

63V

C46

100N

C3

1N

400V

63V

C48

100N

W1

+15VIP

1/

4W 27K

R114

MINI

U40:A

TL072

U27:B

TL072

(VCC)

LM13600N

Dual VCA

6745

U15:C

R106

1/

4W

.

2R2

1/

4W 47K

R11

MINI

C93

100V

220P

U40:B

TL072

U1:A

TL072

SIGNAL TO
AMP INPUT

RING

J7

U18:B

TL072

RING

J3

U5:B

NE5532N

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