background image

Product

Date:

Filename:

PCB#

of

Sheet

Rev:

4

2

VER.4.10

M1159-A-VER4.10.sch2001

NX520P

Tue Mar 26, 2002

M1159-A

NX520P

R70

1/4W

1K4

R63

1/4W

1K4

R16

1/4W

2K2

MINI

R57

1/4W

1M

RAD

R48

1/2W

150K

R24

1/4W

2K2

MINI

R68

5.0W

8K2

R74

1/4W

1K4

R66

1/4W

1K

MINI

NET00201

+24V

LVGND

-130V

-22V

-15V_C

+/-15V_C

6

9W1:F

0

-15V

+15V

+24V

PSGND

SILENT

C29

100V

10N

R20

1/4W

RAD

1M

WOOF_SILENT

R13

1/4W

MINI

2K2

D19

0A2 BAT85

D15

BAT85

0A2

R14

1/4W

RAD

18K

+

+130V

R23

1/4W

12R

TP2

TP1

-22V

MR854

D3

+22V

HORNGND

100V

C71

680P

100V

C91

100N

-15V

+15V

WOOFGND

+5V_MOD

SILENT

-44V

+130V

+22V

PSGND

R44

1/8W

FLMP

10R0

7

9W1:G

0

5

9W1:E

0

4

9W1:D

0

8

9W1:H

0

2

90

W1:B

1N5254B

D4

0W5

27V0

LVGND

R10

1/4W

4K7

RAD

+44V

PSGND

C58

100V

100N

-15V_MOD

R51

1/4W

MINI

6K8

R56

1/4W

MINI

6K8

WOOFGND

+15V_C

R38

1/8W

FLMP

10R0

R34

1/4W

MINI

47K

-15V_MOD

C56

100V

100N

C55

100V

100N

+15V_MOD

-15V

R73

1/8W

FLMP

10R0

C41

100V

100N

R64

1/8W

FLMP

10R0

+15V

-15V_MOD

+15V_MOD

C28

100V

470P

R45

1/4W

MINI

6K8

-15V_C

+15V_C

C18

100V

220P

PSGND

C57

100V

100N

+15V_LS

+4V7_LS

R54

1/4W

MINI

1K

R36

1/8W
100R

D14

1N4148

+5V_MOD

-130V

C42

100V

100N

100V

C17

100N

-130V

+4V7_LS

+5V_MOD

14

V+

7

V-

U9:G

WOOFGND

1N750ARL

D18

0W5
4V7

R47

1/4W

RAD

1M

D12

1N750ARL

0W5

4V7

LVGND

D5

1N4148

-130V

-15V_MOD

3

IN

4

OUT

U9:B

74HC14N

6603

R212

1/4W

D.N.S.

MINI

WOOFGND

+5V_MOD

R40

1/4W

22K

MINI

WOOFGND

U6:D

MC33079P

WOOFGND

+5V_MOD

C8

100V

680P

C46

100V

470P

14

V+

7

V-

U5:E

+4V7_LS

-130V

+5V_MOD

WOOFGND

+5V_MOD

Q5

5102

TO92

BC560C

TO92

2N5401

Q7

5108

100V

C38

3N3

1/4W

47K

R166

MINI

-130V

WOOFGND

+5V_MOD

R25

1/4W

100K

RAD

Q8

5108

TO92

2N5401

R219
1/4W

RAD

470R

R5

1/4W

3K9

HORNGND

D24

1N4148

R72

1/4W

RAD

82K

C142

100N
100V

TO92

2N5551

Q17

5107

C34

100V

100N

C35

63V

1U

R46

1/2W

1R

SMALL

R37

1/4W

MINI

150R

C4

25V

68U

R1

1/4W

MINI

22K

-15V_MOD

1/4W
180K

R71

MINI

1N5248B

D20

0W5

18V0

R41

1/4W

1M

RAD

Q13

5114

TO92

MPSA92

R7

1/4W

680R

RAD

R8

1/4W

10K

RAD

R9

1/4W

15K

MINI

-130V

R60

1/8W

1K5

FLMP

R58

5.0W

0R047

R31

5.0W

0R047

R33

1/8W

1K5

FLMP

100V

C15

220P

1N5242B

D11

0W5

12V0

R6

1/4W

12R

1N5242B

D1

0W5

12V0

+4V7_LS

WOOFGND

-44V

D9

1N5246B

0W5
16V0

R17

1.0W

0R47

FLMP

D2

1N5246B

0W5

16V0

+44V

D10

MR854

R18

1.0W

0R47

FLMP

PSGND

5.0W

8K2

R105

C52

100V

100N

C53

100V

100N

+44V

3

9W1:C

0

9

9W1:I

0

C50

100V

100N

Q4

5107

TO92

2N5551

C44

100V

100N

C48

100V

100N

C47

100V

100N

8

V+

4

V-

U2:C

U2:B

MC33078P

R59

1/4W

6K8

MINI

C49

100V

100N

R75

5.0W

8K2

100V

C32

47N

C43

100V

100N

OUT

IN

U11

6728

{Function}

MC78L05ACP

{Watts}

TO92

R67

5.0W

8K2

R69

5.0W

8K2

R42

1/4W

MINI

2K

D8

1N5251BRL

0W5

22V0

WOOFGND

14

V+

7

V-

U10:G

1/4W

10K
R22

RAD

TO92

2N5401

Q18

5108

HEATSINK

9

IN

8

OUT

U9:D

74HC14N

6603

R213

1/4W

D.N.S.

MINI

R80

1/4W

0.1%

4K12

R49

1/4W

4K7

MINI

C45

100V

470P

R77

1/4W

0.1%

37K90

R81

1/4W

0.1%

37K90

-130V

U3:B

6964

C33

100V

100N

C16

100V

100N

7

GND

14

V+

U3:C

6964

C3

63V

4U7

1/4W

4K7

R62

RAD

R50

1/8W

FLMP

75R

C24

100V

100N

C6

500V

10P

C9

63V

4U7

1N4148

D6

R3

2.0W

2K2

R15

1/4W

270R

RAD

C14

100V

680P

C5

100V

100N

C19

100V

100N

250V

C51

3U3

R11

1.0W

0R47

FLMP

140V

C22

3U3

140V

C31

3U3

R12

1.0W

0R47

FLMP

1/4W

6R2

R220

7

W2:G 0

3

W2:C 0

1

9W1:A

_9 CIR WAFER W/LCK

0.1"

0

+15V_MOD

R43

1/4W

MINI

47R

WOOFGND

+15V_MOD

HORNGND

R19

1/4W

MINI

2K2

+15V_LS

C92

100V

3N3

WOOF_SILENT

PSGND

+15V

8

W2:H 0

6

W2:F 0

5

W2:E 0

2

W2:B 0

+/-15V_MOD

1

W2:A 0

WOOFGND

U6:B

MC33079P

C26

100V

100N

-15V

C21

100V

100N

WOOFGND

-15V_MOD

LVGND2

FROM INPUT PCB

C54

100V

100N

PSGND

R79

1/4W

MINI

1K0

D23

1N750ARL

0W5

4V7

1

IN

2

OUT

U10:A

74HC14N

6603

1N5240BRL

D22

0W5

10V0

WOOFGND

1

IN

2

OUT

U9:A

74HC14N

6603

R55

1/4W

MINI

1K

U6:C

MC33079P

+15V_MOD

100V

C36

47N

R52

1/4W

1K4

WOOFGND

-15V_MOD

C27

100V

100N

-15V_MOD

+15V_MOD

+5V_MOD

WOOFGND

2

+

3

-

4

V-

8

V+

5

BAL

1

GND1

7

OUT

6

STROBE

U1

6640

LM311

+5V_MOD

+5V_MOD

R32

1/4W

22K

MINI

+15V_MOD

R28

1/4W

MINI

4K7

SILENT ON/OFF

Q9

5119

TO92

2N5638

WOOFGND

WOOFGND

+4V7_LS

1/4W

4K12

R76

0.1%

63V

470N
C143

WOOFGND

R65

1/4W

MINI

1K

R221

1/4W
220R

MINI

NET00013

5

IN

6

OUT

U10:C

74HC14N

6603

+4V7_LS

R53

1/4W

6R2

+4V7_LS

UF4004

D17

10

9

8

U5:C

74HC86N

6605

4

5

6

U5:B

74HC86N

6605

+4V7_LS

R39

1/4W

2R2

HORNGND

1N4148

D21

R21

1/4W

18K

MINI

1N5242B

D7

0W5
12V0

TO92

BC560C

Q6

5102

C144

100V

10N

R4

2.0W

2K2

WOOFGND

TO92

Q20

5119

2N5638

11

IN

10

OUT

U10:E

74HC14N

6603

13

IN

12

OUT

U10:F

74HC14N

6603

SILENT ON/OFF

3

IN

4

OUT

U10:B

74HC14N

6603

11

IN

10

OUT

U9:E

74HC14N

6603

13

IN

12

OUT

U9:F

74HC14N

6603

3786

L1

233UH

1N5248B

D16

0W5

18V0

G

D

S

Q14
6914

IRFP350

N

TO247
IRFP350

R29

1/4W

1K

MINI

{Function}

6873_S

Q11

MJE340

TO126

C13

63V

10U

R26

1/4W

FLMP

2K21

DS

G

Q1
6932

P

IRFP9140N

TO247
IRFP9140N

R27

1/4W

100R

RAD

400V

C118

2N2

6912_S

Q2

BDX53C
BDX53C

TO220

R2

1/4W

FLMP

2K21

6

18AWG

POS_OUTPUT

RED

5

18AWG

NEG_OUTPUT

BLACK

4

18AWG

HORN_POS

YELLOW

3

18AWG

BLACK

HORN_NEG

FROM

POWER

SUPPLY

4

W2:D 0

LVGND

4

V+

11

V-

U6:E

C37

100V

100N

+15V

C7

63V

10U

PHANTOM SUPPLY

+5V_MOD

R83

1/8W

100R0

FLMP

HEATSINK

U6:A

MC33079P

2

+

3

-

4

V-

8

V+

5

BAL

1

GND1

7

OUT

6

STROBE

U4

6640

LM311

-15V_MOD

2

+

3

-

4

V-

8

V+

5

BAL

1

GND1

7

OUT

6

STROBE

LM311

U7

6640

U2:A

MC33078P

R35

1/8W
100R

-15V_MOD

63V

C12

1U

63V

C11

2U2

R30

1/4W

2K

MINI

R82

1/4W

0.1%

37K90

R78

1/4W

0.1%

37K90

Q19

5114

TO92

MPSA92

WOOFER AMP

250V

4N7

C141

U8:A

6887

IR2110

C25

63V

1U

-130V

13

12

11

U5:D

74HC86N

6605

1

2

3

U5:A

74HC86N

6605

HORNGND

C10

100V

15P

100V

C39

5N6

9

IN

8

OUT

U10:D

74HC14N

6603

140V

C20

3U3

G

D

S

Q15
6914

IRFP350

N

TO247
IRFP350

C23

100V

100N

C30

100V

100N

5

IN

6

OUT

U9:C

74HC14N

6603

6911_S

Q10

BDX54C

BDX54C

TO220

Q3

5101

TO92

BC550C

C1

100V

680P

C2

63V

10U

G

D

S

Q12
6931

IRFP140N

N

TO247
IRFP140N

+

WOOFER

S2
12/150Y4M

+

HORN

S1
HD120

WOOFCLIP

HORNGND

+15V_MOD

U3:A

6964

HORN AMP

9
10
11
12
13

MODEL(S):-

DATE

VER#

DESCRIPTION OF CHANGE

#

1
2
3
4
5
6
7
8

N

N

N

N

MOVE R24, ADD D21 AND C144, R27 FROM 47R TO 100R.

V

V

V

V

&V4.10

D

D

D

D

D

PC#6464 R37 75R TO 150R PC#6469 R130 4K7 TO 2K

ADD COPPER POURS UNDER ALL OUTPUT DEVICES.

REPOUR CHASSIS GROUND FOR CSA STANDARD 4mm CLEARANCE.

PC#6453 R39 6R2 TO 2R2

CHANGE R28 FROM 10K TO 4K7 AND R34 FROM 33K TO 47K

4.00

3.10

V

3.00

2.10

2.00

V

NOV 06 2001

D

OCT 22 2001

SEPT 20 2001

SEPT 18 2001

D

NOV 29 2001

1st RUN CHANGES FOR VER.2.00

AUG 22 2001

2.00

SEE ATTACHED NOTES ON P.C.B. DATA BASE.

M1159A.PCB_DATABASE_HISTORY

NX520P

MOVED TRACES UNDER 1/4 JACKS #3921

Summary of Contents for nx 520 p

Page 1: ...4305 USA Voice 716 297 2920 Fax 716 297 3689 WORLD HEADQUARTERS WEB ACCESS http www yorkville com CANADA Yorkville Sound 550 Granite Court Pickering Ontario L1W 3Y8 CANADA Voice 905 837 8481 Fax 905 837 8746 Quality and Innovation Since 1963 Printed in Canada SERVICE MANUAL nx520p ...

Page 2: ... 0W5 ZENER 5 T R 3 8545RECESSED RUBBER BUMPER WITH WASHER 3 48501 4W 3K9 5 T R RES 1 68241N5246B 16V0 0W5 ZENER 5 T R 2 39211 4 JCK PCB MT VERT STER RT SWT 4 47741 4W 4K12 1 T R RES 2 64321N5248B 18V0 0W5 ZENER 5 T R 2 3453XLR MALE PCB MT VER T 1 49431 4W 4K7 5 2 U T R RES 8 64651N5250B 20V0 0W5 ZENER 5 T R 1 3925XLR FEML PCB MT VERT 24MM U CON T 2 49821 4W 4K7 5 MINI T R RES 3 64631N5251BRL 22V0 ...

Page 3: ...NOTES ALL LINK CONNECTIONS FUNCTION AS INPUTS OR OUTPUTS EXTERNAL MIXERS CONNECT TO LINK INPUTS LINK Y orkville 1 3 2 1 3 2 2 3 1 24 PHANTOM MIC LINE CD LEVEL MIC LEVEL LINE CD MIXER ON OFF NX520P LEVEL ...

Page 4: ... DOWN UP MIXER C87 50V 22U R122 1 4W MINI 10K U19 B NE5532N R90 1 8W FLMP 274R R218 1 4W MINI 1K U20 A NE5532N L4 POWER GRN LEDGND D33 1N753ARL 0W5 6V2 1 4W 33K R128 RAD U12 A NE5532N 126 E C B T126 8 V 4 V U20 C 1 8W 681R R86 FLMP 1 4W 2K R130 MINI STYLE_P25 LEDGND Q22 5103 TO92 MPSA06 LVGND P2 4566 M B LIN 10K Function 8 V 4 V U18 C 8 V 4 V U12 C LVGND2 C83 63V 220N C62 100V 100P LVGND2 NET00039...

Page 5: ...5 N348 3682 W6 PURPLE 150VRAIL SILENT N347 D48 18AWG YELLOW W7 130V 4 D49 W25 18AWG BLACK SILENT 3645 IEC_RECT POWER SUPPLY TO POWER AMP PCB ...

Page 6: ...U3 R12 1 0W 0R47 FLMP 1 4W 6R2 R220 7 W2 G 0 3 W2 C 0 1 9W1 A _9 CIR WAFER W LCK 0 1 0 15V_MOD R43 1 4W MINI 47R WOOFGND 15V_MOD HORNGND R19 1 4W MINI 2K2 15V_LS C92 100V 3N3 WOOF_SILENT PSGND 15V 8 W2 H 0 6 W2 F 0 5 W2 E 0 2 W2 B 0 15V_MOD 1 W2 A 0 WOOFGND U6 B MC33079P C26 100V 100N 15V C21 100V 100N WOOFGND 15V_MOD LVGND2 FROM INPUT PCB C54 100V 100N PSGND R79 1 4W MINI 1K0 D23 1N750ARL 0W5 4V7...

Page 7: ...2R D9 16V0 R26 2K21 R30 2K C16 100N C122 100N C136 100N C124 100N C125 100N Q18 TO92 2N5401 D12 4V7 R42 2K R49 4K7 U4 D18 4V7 R99 681R D39 BAT85 D29 BAT85 U19 J8 C75 D34 1N4148 R122 10K R118 27K R128 33K R156 15K Q23 TO92 BC560C D62 1N4148 D44 1N4148 D38 1N4148 R155 1M R151 220R C80 220N R158 1M C84 68N D13 20V0 D63 1N4148 R129 Q16 2N5401 R144 10K R192 4K7 C137 100N C143 470N R73 10R0 C54 100N U11...

Page 8: ...p before it will activate the driver chip If there is no load there is no current in the output if there is no current there is no voltage and consequently no feedback pulse The good news is that this class of amp will generally not cook off if you failed to repair it and then try to fire it up It usually just sits there dumbfounded waiting for you to find the missing faulty bits The process for r...

Page 9: ...7R C10 15P R25 100K C118 2N2 V T R C53 100N D2 16V0 D3 MR854 C110 63V 4U7 R17 1 0W 0R47 R11 1 0W 0R47 R12 1 0W 0R47 R23 12R R26 2K21 V T R W U3 74HC74 C43 100N R38 10R0 R75 5 0W 12K R86 681R U13 NE5532N C123 100N C88 63V 2U2 R71 180K U2 MC33078P C28 470P R68 5 0W 12K R69 5 0W 12K C29 10N L3 CLIP YEL L2 LIMIT RED L4 POWER GRN R139 36K R51 6K8 R55 1K R77 37K90 C36 68N R54 1K R64 10R0 R80 3K16 C50 10...

Page 10: ...NI R6 1 4W 12R 1N5242B D1 0W5 12V0 R17 0W 0R47 D2 1N5246B 0W5 16V0 44V R18 0W 0R47 C3 63V 4U7 C6 500V 10P R3 2 0W 2K2 R15 1 4W 270R RAD C5 100V 100N R11 1 0W 0R47 FLMP R12 1 0W 0R47 FLMP C92 100V 3N3 TO92 BC560C Q6 5102 C144 100V 10N R4 2 0W 2K2 400V C118 2N2 6912_S Q2 BDX53C BDX53C TO220 R2 1 4W FLMP 2K21 Q3 5101 TO92 BC550C C1 100V 680P C2 63V 10U G D S Q12 6931 IRFP140N N TO247 IRFP140N P ...

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