background image

Product

Date:
Filename:

PCB#

of

Sheet

Rev:

3

3

4V0

M1231V400sch.sch2002

NX750P

Mon May 11, 2009

M1231

NX750P

Product

Date:
Filename:

PCB#

of

Sheet

Rev:

3

3

4V0

M1231V400sch.sch2002

NX750P

Mon May 11, 2009

M1231

NX750P

-22V

+22V

-15V

+15V

+120V

PSGND

1N5402

D56

1N5402

D52

-44V

C

123:A

180V

3300U

1N5402

D55

PSGND

3392

GRN

GND

W26

3392

BLK

XFMR BLK
W10

3392

GRY

41Vrms

W18

3392

RED

20Vrms

W17

3392

VIO

105Vrms
W6

4007

D50

SILENT

PSGND

MR752 

D61

WHT

-148V

W24

IGND

GRN

INPUT GND

W16

1.0W

1K8

R187

.

S4

DPDT Switch

3392

WHT

AC WHT

W21

3392

BLK

AC BLK
W9

3392

BLK

XFMR BLK

W20

N.A.

3392

VIO

105Vrms

W23

3392

YEL

CENTER TAP
W14

3392

RED

20Vrms
W13

3392
GRY

41Vrms
W12

CE

1N5402

D58

100V

100N

C116

BLK

SILENT

W25

63V

C110

4U7

1N5402

D57

1N5402

D51

1N5402

D54

MR752 

D59

63V

C115

2200U

GRN

PSGND

W15

MR752 

D53

+44V

-120V

PSGND

C

63:A

180V

3300U

1300UH

L5

6492

#2479
F 5A

100V

C109

100N

63V

C103

4U7

1N5402

D60

63V

C104

2200U

MR752 

D48

YEL

+148V

W7

IEC_RECT

CE

CH1337

CH1337

CH1337E

N.A.

100V

C40

100N

250V

4N7

C112

R61

2487

T7.0

4007

D49

N.A.:CH1337
CE: CH1337E

FUSE

F1

FAST BLOW

50V

C111

2200U

OUT

IN

GND

MC7915CT

6871

{Watts}

.

U31

TO220

RED

-28V

W19

OUT

IN

GND

MC7815CT

6872

{Watts}

.

U30

TO220

BLU

+28V

W11

ORN

+57V

W8

FUSE F1

250V

C106

680N

R98

2487

T7.0

250V

C102

100N

#2465
F 7A

#2482
F3.15A

#2465
F 7A

3392
GRN

PSGND
W27

FUSE
N.A.: #2465 F 7A
CE: #2482 F3.15A

50V

C105

2200U

BRN

-57V

W22

8

9

1

2

3

4

5

6

7

L6

CH1337

WITHOUT CROWBAR      WITH CROWBAR

CH1337E

TRANSFORMER

TO POWER AMP PCB

CHASSIS GROUND 
MADE THROUGH
1/4" INPUT JACKS

POWER SUPPLY

KNOB

PART#

FUNCTION

REF

MODEL(S):-

{NEW}

NX750P

POT LIST

#9916
#9915
#9917
#9915
#9917
N
N
N
N
N
N
N

GREY
RED
GREEN
RED
GREEN
K
K
K
K
K
K
K

#4434
#4432
#4435
#4432
#4434
P
P
P
P
P
P
P

MAIN GAIN
MIC GAIN
BASS CONTROL
CD/LINE GAIN
TREBLE CONTROL
F
F
F
F
F
F
F

P1
P2
P3
P4
P5
R
R
R
R
R
R
R

XC85

9

10

11

12

13

MODEL(S):-

DATE

VER#

DESCRIPTION OF CHANGE

#

1

2

3

4

5

6

7

8

PC#7167, ENLARGE HOLE SIZE FOR #3522

37K4 1% 1/4W. REPLACE R78 WITH #4611

V3.01

.

FEB 07 2007

.

PC#7052:GT:Q14&Q15 6914 IRFP350->6967 IRFP23N50LPBF

PC7003:GT:R9 #4979 15K->#6104 2K2, ADD 8921 WASHER

PC#6979:GT:R6&R23 #4815 12R->#2038 11R FUSIBLE

C102 FROM 22N #6435 TO 100N #5242

FIVE LEG #5862 3300U & FORCE UPDATED BOARD (M.R)

CHANGED POWER SUPPLY CAPACITORS TO NEW

PC#6772: REV. WIRE COLORS ON WOOFER & HORN (GT)

.

.

.

.

.

V2.00

.

OCT-31-2005

SEP-21-2005

.

.

MAY30th 2005

NOV-26-2004

DEC-13-2005

M1231.PCB_DATABASE_HISTORY

NX750P

AUGUST 2004V1.00

MADE FROM M1158-V.200

AH, PC#7136, REPLACE R77, R81 AND R82 WITH #4686

.

.

V2.01

AUG-16-2006

OCT 16 2006 V3.00

PC#7178, Updated limiter for RoHS compliance

AH, PC#7205, C37 100N #5212 TO 470P #5201

9

10

11

12

13

MODEL(S):-

DATE

VER#

DESCRIPTION OF CHANGE

#

1

2

3

4

5

6

7

8

N

ADDED. X1 REF REMOVED IN LAYOUT

PC#7356, 7701, AND 7757 - PAD UPDATE,  XLR MTG HOLE 

V

V

V4.00

11-MAY-2009

D

D

BA WILL PUT 33K,470R,100N AND 10U AS SHOWN

PC#7453, ONLY FOR NA. REMOVE C19 AND R89 FROM AI.

10U #5281 C19 1U #5254 TO 4U7 #5258

56K #4835, R89 1K #4981 TO 56K #5018, C23 22U #5631TO

PC#7261, N.A. VERSION CHANGE R152 150K #4839 TO

D34 AND D43 1N4148 #6825 TO BAT 85 #6733

ONLY M1231A CE VER. R157 10K #4940 TO 3K3 #4938

.

V3.03

.

.

V3.02

.

.

.

01-FEB-2008

.

.

22-AUG-2007

.

.

R177 4K7 #4982 TO 15K #4979

.

.

M1231.PCB_DATABASE_HISTORY

NX750P

.

.

PC#7398, ADD CROWBAR CIRCUIT AND CHANGE FUSE

AT THE SAME TIME SEE PRODUCTION NOTE

.

.

Summary of Contents for NX750P -

Page 1: ...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 NX750P MODEL TYPE YS1037 ...

Page 2: ... spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped AVIS AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE N ENLEVEZ PAS LE COUVERT OU LE PANNEAU ARRIERE NE CONTIENT AUCUNE PIECE REPARABLE PAR L UTILISATEUR CONSULTEZ UN TECHNICIEN QUALIFIE POUR L ENTRETIENT Instructions relatives au risque de feu choc élect...

Page 3: ... 4 20 INSIDE 7 16 20 UNF FLATALLEN 5 4938 1 4W 3K3 5 2 U T R RES 1 6932 IRFP9140N TO247 PCH MFET TM 1 8938 1 4 20 X 10MM INSERT NUT TYPE D 8 5022 1 4W 3K57 1 T R RES 1 6967 IRFP23N50L TO247 NCH MFET TM 2 3645 AC SOCKET RECEPTACLE WITH 0 250 TAB 1 4850 1 4W 3K9 5 T R RES 1 6603 74HC14N IC HEX INV SCHMID 2 3810 4 NYLON CABLE TIE 12 4756 1 4W 4K120 0 1 T R RES 2 6605 74HC86N IC QUAD 2INP XOR 1 3841 5...

Page 4: ...SPEAKER ENCLOSURE 750 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 NX750P LEVEL ...

Page 5: ... 33U R224 1 4W MINI 3K TO M1339 LIMITER BOARD RoHS C23 16V 33U 4 3 NSL 32SR2 U23 B 6858 W29 C 4 W29 B 4 W29 D 4 1 4W 1K R184 RAD 1 4W 10K R188 RAD 1 4W 15K R156 MINI 4148 D62 1 4W 5K6 R145 MINI 8 V 4 V U21 C 1 4W 15K R135 MINI 100V C119 100N 100V C66 3N3 R192 1 4W RAD 4K7 100V C121 100N 50V C120 100N R125 1 4W 3K57 U14 B NE5532N 8 V 4 V U14 C 15V R194 1 4W 332R0 100V C125 100N 6804_PC R121 1 4W RA...

Page 6: ...32 220N 100V C43 100N OUT IN GND MC78L05ABPRM 6728 Watts Function U11 TO92 5 0W 12K R67 5 0W 12K R69 R42 1 4W MINI 2K 1N5251BRL 22V0 D8 0W5 R47 1 4W RAD 1M 1 4W 10K R22 RAD TO92 2N5401 Q18 5108 9 IN 8 OUT U9 D 74HC14N 6603 7 14 1 4W 2K74 R213 0 1 R80 1 4W 0 1 4K12 1 4W 4K7 R49 MINI 100V C45 470P R77 1 4W 37K4 R81 1 4W 37K4 100V C33 100N U3 B 6964 100V C16 100N R128 0 6W SMALL 18k7 7 GND 14 V U3 C ...

Page 7: ......

Page 8: ...E5532N 562R0 470R 33U 16V 330N Alternate WHT 1K07 475R 681R 100N NE5532N NE5532N 4148 10K 470K 10K0 10K0 B 10K B 50K 33P 100N UF4004 1U 63V 5 0W 0R047 1K5 5 0W 0R047 TO220 MC7915CT 4U7 63V 680P TO220 BDX54C TO220 BDX53C 2U2 63V 10U 63V 100N 249R 1N 562R0 562R0 249R 1N5402 1N5402 10K0 12K 5 0W 74HC14N 33U 16V 33U 16V 2K 100N 180R NE5532N B 10K NE5532N B 10K IR2110 TO220 MC7815CT 10U 63V 2 0W 2K2 3U...

Page 9: ... 10 M1231 PARTS REPLACEMENT TABLE PRODUCTION NOTES 1 NOTE THAT THERE ARE SEVERAL LINES ON THE DSBOTMASK LAYER THESE MAY BE USED FOR MARCONI TEST POINTS SO HAVE THIS LAYER ON IF DOING ANY MODIFICATIONS 2 MAKE SURE TO RTV ALL LARGE CAPACITORS TO SOMETHING CLOSE SEE LAYOUT DIAGRAM ...

Page 10: ...ONLY NORTH AMERICA ONLY NORTH AMERICA ...

Page 11: ... 1K 4981 TO 56K 5018 C23 22U 5631TO 10U 5281 C19 1U 5254 TO 4U7 5258 01 FEB 2008 V3 03 BA WILL PUT 33K 470R 100N AND 10U AS SHOWN PC 7453 ONLY FOR NA REMOVE C19 AND R89 FROM AI 11 MAY 2009 V4 00 PC 7356 7701 AND 7757 PAD UPDATE XLR MTG HOLE ADDED X1 REF REMOVED IN LAYOUT 13 12 11 10 9 DESCRIPTION OF CHANGE 5 4 3 2 1 VER DATE MODEL S 8 7 6 OCT 16 2006 V3 00 NX750P V1 00 AUGUST 2004 M1231 PCB_DATABA...

Page 12: ...0R47 1 0W R11 0R47 1 0W R220 6R2 R18 0R47 1 0W V T R V T R C115 2200U 63V C40 100N V T R V T R C112 250V 4N7 6451 BAR DOWN D61 MR752 BAR DOWN D48 MR752 BAR DOWN D59 MR752 W18 41Vrms GRY W14 CENTER TAP YEL W12 41Vrms GRY W13 RED 20Vrms C59 68N R38 10R0 R75 5 0W 12K U3 74HC74N C85 100N R130 1K0 R87 D34 C2 NC C1 NO K1 RELAY 1C R132 499R R217 18K U27 NE5532N U13 NE5532N U19 NE5532N U22 NE5532N R69 12K...

Page 13: ...N1020 N1016 N1018 N1017 N1024 N1027 4 W1 D 6 C1 100V 47P R3 1 4W MINI 39K DNS R16 1 4W MINI 22K C2 100V 47P DNS R13 1 4W 3K9 50V C3 100N 2 W1 B 6 1 W1 A 6 R1 1 4W MINI 39K U1 A NE5532N R17 1 4W MINI 8M2 R15 1 4W 3K9 1 8W 249R R10 FLMP 1 8W 249R R9 FLMP R4 1 4W MINI 39K 1 4W 15K R8 MINI R14 1 4W 3K9 R18 1 4W MINI 8M2 1 8W 249R R12 FLMP 1 8W 249R R11 FLMP 8 V 4 V U1 C 50V C4 100N U2 E N1040 N1012 N1...

Page 14: ...39K N1019 N1033 N1035 N1045 N1025 N1037 N1047 N1043 2 W3 B 4 N1000 3 W3 C 4 R24 1 4W MINI 39K 1 4W 15K R38 MINI 1 8W 249R R28 FLMP N1030 R22 1 4W MINI 22K 1 4W 15K R30 MINI 1 4W 3K6 R37 TO92 BC550C Q4 5101 N1036 R29 1 4W MINI 39K R32 1 4W MINI 8M2 N1034 1 8W 249R R33 FLMP 1 8W 249R R34 FLMP R36 1 4W MINI 15K N1038 N1003 8 V 4 V U3 C U8 E 50V C8 100N N1023 TO92 BC560C Q3 5102 50V C7 100N C6 100V 47...

Page 15: ... BC550C 15K 47P NE5532N 39K BC560C 22K 39K 15K BC550C 15K 15K LM13600N BC560C NE5532N LM13600N 47P 3K9 39K 249R 249R 100N 47P 39K DNS 249R 249R 100N 15K 39K 3K9 3K9 DNS 15K 39K 3K9 15K 15K 3K9 Limiter 1V10 M1339 R16 R3 R19 R17 R9 R10 R37 C4 C5 R21 R25 R26 R28 R27 C8 Q1 R5 C1 U1 R1 Q2 R22 R24 R7 Q4 R20 R38 U8 Q3 U3 U2 C2 R13 R2 R11 R12 C3 C6 R35 R32 R34 R33 C7 R6 R4 R14 R15 R18 R8 R29 W3 R23 R36 R3...

Page 16: ......

Page 17: ......

Page 18: ... 005 008 CLINCH SHORT AXIS INSERT ETCH 5190 3538 6517 10U 16V 180K 180K TO92 MBS4992 10R STM BTB 600BRG TO220 W H H W CROWBAR M1369 V2 00 C1 R2 R1 Q2 W5 R3 W3 W AMPIN Q1 W2 H AMPIN W4 W AMPIN W1 H AMPIN ...

Page 19: ......

Page 20: ...NX750P EXPORT CE 230V CH1337E MAR 23 05 BLUE BROWN ...

Page 21: ...1 YS 89915 Red Knob qty 2 WIRING Z452D nx750p control KNOB COLORS 1v1 ai MIC LINE CD INPUT INPUT OUTPUT OUTPUT BAL LINK MIXER CLIP LIMIT PWR NX750P LEVEL MIC LINE CD 10 0 TREBLE BASS 12 12 dB 12 12 dB 10 0 6 8 dB LF ROLLOFF 0 100Hz 60Hz MIXER OFF ON ...

Reviews: