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SERVICE MANUAL nx550p
WEB ACCESS: http://www.yorkville.com

TYPE: YS1002

WORLD HEADQUARTERS CANADA Yorkville Sound
550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746

U.S.A. Yorkville Sound Inc.
4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689

Quality and Innovation Since 1963
Printed in Canada

Manual-Service-nx550p-1v0.pdf

IMPORTANT SAFETY INSTRUCTIONS

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE.

INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC ÉLECTRIQUE, OU BLESSURES AUX PERSONNES.
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.

CAUTION:

AVIS:

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

CONSULTEZ UN TECHNICIEN QUALIFIE POUR L'ENTRETIENT.

Read Instructions: Packaging: Warning:

The Owner's Manual should be read and understood before operation of your unit. Please, save these instructions for future reference. Keep the box and packaging materials, in case the unit needs to be returned for service. When using electric products, basic precautions should always be followed, including the following:

Veuillez lire le manuel: Emballage: Attention:

Il contient des informations qui devraient êtres comprises avant l'opération de votre appareil. Conservez S.V.P. ces instructions pour consultations ultérieures Conservez la boite au cas ou l'appareil devait être retourner pour réparation. Lors de l'utilisation de produits électrique, assurez-vous d'adhérer à des précautions de bases incluant celle qui suivent:

Power Sources:

Your unit should be connected to a power source only of the voltage specified in the owners manual or as marked on the unit. This unit has a polarized plug. Do not use with an extension cord or receptacle unless the plug can be fully inserted. Precautions should be taken so that the grounding scheme on the unit is not defeated.

Alimentation:

Hazards:
Do not place this product on an unstable cart, stand, tripod, bracket or table. The product may fall, causing serious personal injury and serious damage to the product. Use only with cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the product. Follow the manufacturer's instructions when installing the product and use mounting accessories recommended by the manufacturer. The apparatus should not be exposed to dripping or splashing water; no objects filled with liquids should be placed on the apparatus. Terminals marked with the "lightning bolt" are hazardous live; the external wiring connected to these terminals require installation by an instructed person or the use of ready made leads or cords. No naked flame sources, such as lighted candles, should be placed on the apparatus.

L'appareil ne doit être branché qu'à une source d'alimentation correspondant au voltage spécifié dans le manuel ou tel qu'indiqué sur l'appareil. Cet appareil est équipé d'une prise d'alimentation polarisée. Ne pas utiliser cet appareil avec un cordon de raccordement à moins qu'il soit possible d'insérer complètement les trois lames. Des précautions doivent êtres prises afin d'eviter que le système de mise à la terre de l'appareil ne soit désengagé.

Risque:
Ne pas placer cet appareil sur un chariot, un support, un trépied ou une table instables. L'appareil pourrait tomber et blesser quelqu'un ou subir des dommages importants. Utiliser seulement un chariot, un support, un trépied ou une table recommandés par le fabricant ou vendus avec le produit. Suivre les instructions du fabricant pour installer l'appareil et utiliser les accessoires recommandés par le fabricant. Il convient de ne pas placer sur l'appareil de sources de flammes nues, telles que des bougies allumées. L'appeil ne doit pas être exposé à des égouttements d'eau ou des éclaboussures et qu'aucun objet rempli de liquide tel que des vases ne doit être placé sur l'appareil. Les dispositifs marqués d'une symbole "d'éclair" sont des parties dangereuses au toucher et que les câblages extérieurs connectés à ces dispositifs de connection extérieure doivent être effectivés par un opérateur formé ou en utilisant des cordons déjà préparés.

Power Cord:
The AC supply cord should be routed so that it is unlikely that it will be damaged. If the AC supply cord is damaged DO NOT OPERATE THE UNIT.

Service:
The unit should be serviced only by qualified service personnel.

Cordon d'alimentation:
Évitez d'endommager le cordon d'alimentation. N'UTILISEZ PAS L'APPAREIL si le cordon d'alimentation est endommagé.

Service:
Consultez un technicien qualifié pour l'entretien de votre appareil.
safety-4v0.pdf 04/29/03

nx550p Parts List 3/23/2004
YS # 5906 5907 5908 6825 6892 6438 6827 6934 6421 6733 6440 6436 6461 6450 6824 6432 6465 6463 6426 6728 6871 6872 5101 5102 5103 5107 5108 5114 5105 5119 6873 6911 6912 6914 6931 6932 6804 6840 6884 6640 6745 6603 6605 6964 6887 6858 5401 5817 5406 5203 5199 5410 5412 5201 5816 5422 5208 5275 5209 6451 5271 5204 5210 6435 5223 5224 5226 5212 5228 5314 5231 5233 5234 5266 5255 5257 5949 5951 5258 5259 Description RED 3MM LED 1V9 20MA .4SPCER T&R YEL 3MM LED 1V9 20MA .4SPCER T&R GRN 3MM LED 1V9 20MA .4SPCER T&R 1N4148 75V 0A45 DIODE T&R UF4004 200V 1A0 DIODE ULTRAFAST 1N4007 400V 1A0 DIODE T&R 1N5402 200V 3A0 DIODE MR854 400V 3A0 DIODE FASREC MR752 200V 6A0 DIODE BAT85 30V 0A2 DIODE SCHTKYT&R 1N750ARL 4V7 0W5 ZENER 5% T&R 1N753ARL 6V2 0W5 ZENER 5% T&R 1N5240BRL 10V0 0W5 ZENER 5% T&R 1N5242B 12V0 0W5 ZENER 5% T&R 1N5246B 16V0 0W5 ZENER 5% T&R 1N5248B 18V0 0W5 ZENER 5% T&R 1N5250B 20V0 0W5 ZENER 5% T&R 1N5251BRL 22V0 0W5 ZENER 5% T&R 1N5254B 27V0 0W5 ZENER 5% T&R MC78L05ACP TO92 P 5V0 REG T&R V4 MC7915CT TO220 N 15V0 REG V2 MC7815CT TO220 P 15V0 REG V1 BC550C TO92 NPN TRAN T&R TB BC560C TO92 PNP TRAN T&R TB MPSA06 TO92 NPN TRAN T&R TA 2N5551 TO92 NPN TRAN T&R TA 2N5401 TO92 PNP TRAN T&R TA MPSA92 TO92 PNP TRAN T&R TA MPSA13 TO92 NPN DARL T&R TA 2N5638 TO92 NCH JFET T&R TC MJE340 TO126 NPN TRAN TG BDX54C TO220 PNP TRAN DARL TE BDX53C TO220 NPN TRAN DARL TE IRFP350 TO247 NCH MFET TM IRFP140N TO247 NCH MFET TM IRFP9140N TO247 PCH MFET TM MC33079P IC QUAD OP AMP MC33078P IC DUAL OP AMP NE5532N IC DUAL OP AMP LM311 IC VOLTAGE COMPARATOR LM13600N IC XCONDUCTANCE AMP 74HC14N IC HEX INV SCHMID 74HC86N IC QUAD 2INP XOR 74HC74N IC DUAL FLIPFLOP IR2110 IC HILO FET DRIVER NSL-32SR2 OPTO-COUPLER LDR _10P 500V 5%CAP T&R RAD CER.2"NPO _15P 100V 2%CAP T&R RAD CER.2"NPO _33P 50V 10%CAP BLK BEAD NPO _47P 100V 2%CAP T&R RAD CER.2"NPO 100P 100V 2%CAP T&R RAD CER.2"NPO 100P 100V 10%CAP T&R BEAD NPO 220P 100V 10%CAP T&R BEAD NPO 470P 100V 5%CAP T&R RAD CER.2"NPO 680P 100V 5%CAP T&R RAD CER.2"NPO __1N 50V 10%CAP T&R BEAD NPO __2N2 400V 5%CAP T&R RAD .2"FLM __3N3 100V 5%CAP T&R RAD .2"FLM __4N7 250V 5%CAP T&R RAD .2"FLM __4N7 250V 20%CAP BLK 'Y' 10MM AC __5N6 100V 5%CAP T&R RAD .2"FLM _10N 100V 10%CAP T&R RAD .2"FLM _22N 100V 10%CAP T&R RAD .2"FLM _22N 275V 20%CAP BLK 'X2' 15MM AC _39N 100V 10%CAP T&R RAD .2"FLM _47N 100V 10%CAP T&R RAD .2"FLM _68N 100V 5%CAP T&R RAD .2"FLM 100N 63V 5%CAP T&R RAD .2"FLM 100N 100V 5%CAP T&R RAD .2"FLM 100N 50V 10%CAP T&R BEAD X7R 220N 63V 10%CAP T&R RAD .2"FLM 330N 63V 5%CAP T&R RAD .2"FLM 470N 63V 10%CAP T&R RAD .2"FLM 680N 250V 20%CAP BLK 'X2' 30MM AC __1U 63V 20%CAP T&R RAD .2"EL __2U2 63V 20%CAP T&R RAD .2"EL __3U3 140V 20%CAP BLK RAD POLY FLM __3U3 340V 20%CAP BLK RAD POLY FLM __4U7 63V 20%CAP T&R 8X7MM .2"EL __4U7 63V 20%CAP T&R RAD .2"EL Qty. YS # Description 1 5281 _10U 16V 20%CAP T&R RAD .2"NP 1 5945 _10U 63V 20%CAP T&R RAD .2"EL 1 5260 _22U 50V 20%CAP T&R RAD .2"EL 21 5631 _22U 50V 20%CAP T&R 6X7MM .2"EL 1 5961 _33U 16V 20%CAP T&R RAD .2"NP 2 5265 _68U 25V 20%CAP T&R RAD .2"EL 8 5887 2200U 50V 20%CAP BLK 18X27MM EL 2 5858 2700U 180V 20%CAP RAD 35X63MM ELS 4 4537 _10K B LIN 9MM DETENT P25 6 4566 _10K B LIN 9MM P25 3 4546 _50K B LIN 9MM DETENT P25 2 706 1/2"X24"X250' DURABUBBLE 1 713 25 X 20 X 50 2 MIL PLASTIC BAG 3 6492 1300UH COIL COMMON MODE 4AMP 2 8487 ADAPTOR,SPEAKER STAND,PLASTIC,LARGE 2 8545 RECESSED RUBBER BUMPER WITH WASHER 1 3478 CLIP 205/187X032 18-22AWG DISCO/INS 1 3485 CLIP 250X032 18-22AWG RIGHT ANGL 1 3489 CLIP 250X032 18-22AWG DISCO/INSL 1 3490 CLIP 250X032 14-16AWG DISCO/INSL 1 3682 250 MALE PCB TAB REEL 1 3921 1/4" JCK PCB MT VERT STER RT SWT 1 3453 XLR MALE PCB MT VERT 3 3925 XLR FEML PCB MT VERT 24MM U-CONT 1 3451 EYELET SMALL 0.089 OD PLATED 2 3482 LOWPROFILE FUSEHOLDER 1/4" BUSSMANN 4 2410 4.0 AMP FAST-BLO .25X1.25 FUSE 2 2487 7.0 AMP SLO-BLO T&R FUSE 1 8540 HANDLE BAR, ZINC DIECAST 2 8604 10-32 T NUT 1 HD120 8R 40W 1"DRIVER HD1208R 1 3501 B52200F006 COMP WASH #4 SMALL 1 8726 3/8-16X11/2 GRD5 FLAT SCKT HD PLAIN 2 3645 AC SOCKET RECEPTACLE WITH 0.250 TAB 1 3810 4" NYLON CABLE TIE 1 3841 5.5" NYLON CABLE TIE 1 3852 STICK ON CABLE WRAP ANCHOR 1 8392 RED STYLE 1 KNOB 16 8393 GREY STYLE 1 KNOB 3 8394 GREEN STYLE 1 KNOB 1 3426 8' 3/16 SJT AC LINE CORD REMOVB-CSA 2 8240D "Y" LOGO SML. DOMED YORKVILLE BLUE 1 3786 _233UH CHOKE 80T20AWG/77091MAGNTKS 1 92CORE 77091-A7 KOOL-MU TOROID CORE 1 3549 TRIFURCON TERM .156 2 3559 TERM HOUSING 8 CIR .156/RAMP 1 3674 9 CIR CABLE HOLDER .098 1 8701 4-40 KEPS NUT ZINC 2 8787 8-32 KEPS NUT ZINC 2 8603 3/8-16 T NUT 1 8797 5/16-18 KEPS NUT JS500 1 3884 SARCON THERMAL GASKET 4.55"X1.00" 2 4004 _9 CIR WAFER W/LCK VT 0.1" 5 4599 22AWG SOLID SC WIR T&R JMP 4 5299 24AWG SOLID SC WIR RAD JMP 2 4660 5.0W 0R047 5% BLK RES 2 2005 1.0W 0R47 5%FLAME PROOF T&R RES 3 4682 1/2W 1R 5%PHILIPS SMAL T&R RES 2 4911 1/4W 2R2 5% T&R RES 1 4813 1/4W 6R2 5% T&R RES 1 2010 1/8W 10R0 2%FLAME PROOF T&R RES 3 4815 1/4W 12R 5% T&R RES 1 6134 1/4W 47R 5%MINI T&R RES 1 2018 1/8W 75R 2%FLAME PROOF T&R RES 2 2019 1/8W 100R0 1%FLAME PROOF T&R RES 5 4921 1/4W 100R 5% .2"U T&R RES 3 4984 1/4W 150R 5%MINI T&R RES 51 4819 1/4W 180R 5% T&R RES 1 4944 1/4W 220R 5% .2"U T&R RES 2 4977 1/4W 220R 5%MINI T&R RES 4 2024 1/8W 249R 2%FLAME PROOF T&R RES 2 4945 1/4W 270R 5% .2"U T&R RES 1 2025 1/8W 274R 1%FLAME PROOF T&R RES 1 4789 1/4W 324R0 0.1% *** T&R RES 3 2026 1/4W 332R0 1%FLAME PROOF T&R RES 2 4690 1/2W 442R 1% T&R RES 3 2028 1/8W 475R 1%FLAME PROOF T&R RES 1 4933 1/4W 470R 5% .2"U T&R RES 1 4980 1/4W 470R 5%MINI T&R RES 4 5015 1/4W 475R0 0.1% *** T&R RES Qty. 1 3 2 2 6 1 4 2 2 2 1 5 1 1 1 4 1 4 4 6 13 4 1 2 19 1 1 2 1 14 1 9 3 1 12 6 1 1 2 2 1 1 1 1 8 1 1 9 3 3 1 1 1 3 2 2 4 1 1 2 4 2 1 3 3 1 1 1 3 2 2 1 1 1 1 1 2 2 2 1 YS # 4799 5014 2030 4743 4923 4925 4934 4981 6110 4996 4585 4769 2034 4935 4993 4683 4946 6113 4705 6104 2035 6114 4936 6124 4938 4850 4774 4943 4982 4665 4978 4768 4940 4983 6116 4979 4954 6125 6118 4956 4941 4947 4868 4794 4927 6119 4928 4929 4942 4638 4839 4796 6135 6127 4948 4951 3535 3696 3790 8865 8861 8871 8842 8832 8801 8796 8983 8803 8804 8756 8781 8843 8786 8773 8862 8632 8928 8714 8768 8985 Description 1/4W 562R 1% T&R RES 1/4W 562R0 0.1% *** T&R RES 1/8W 681R 1%FLAME PROOF T&R RES 1/4W 681R0 0.1% *** T&R RES 1/4W 680R 5% .2"U T&R RES 1/4W 820R 5% .2"U T&R RES 1/4W 1K 5% .2"U T&R RES 1/4W 1K 5%MINI T&R RES 1/4W 1K0 1%MINI MF T&R RES 1/4W 1K070 0.1% *** T&R RES 1/4W 1K2 5%MINI T&R RES 1/4W 1K4 1% T&R RES 1/8W 1K5 5%FLAME PROOF T&R RES 1/4W 1K5 5% .2"U T&R RES 1/4W 1K87 1% T&R RES 1.0W 1K8 5% T&R RES 1/4W 2K 5% .2"U T&R RES 1/4W 2K 5%MINI T&R RES 2.0W 2K2 5% BLK RES 1/4W 2K2 5%MINI T&R RES 1/4W 2K21 1%FLAME PROOF T&R RES 1/4W 2K49 1%MINI MF T&R RES 1/4W 2K7 5% .2"U T&R RES 1/4W 3K 5%MINI T&R RES 1/4W 3K3 5% .2"U T&R RES 1/4W 3K9 5% T&R RES 1/4W 4K12 1% T&R RES 1/4W 4K7 5% .2"U T&R RES 1/4W 4K7 5%MINI T&R RES 5.0W 8K2 5% BLK RES 1/4W 6K8 5%MINI T&R RES 5.0W 12K 5% BLK RES 1/4W 10K 5% .2"U T&R RES 1/4W 10K 5%MINI T&R RES 1/4W 10K0 1%MINI MF T&R RES 1/4W 15K 5%MINI T&R RES 1/4W 18K 5% .2"U T&R RES 1/4W 18K 5%MINI T&R RES 1/4W 22K 5%MINI T&R RES 1/4W 27K 5% .2"U T&R RES 1/4W 30K 5% .2"U T&R RES 1/4W 33K 5% .2"U T&R RES 1/4W 36K 5% T&R RES 1/4W 37K90 0.1% *** T&R RES 1/4W 47K 5% .2"U T&R RES 1/4W 47K 5%MINI T&R RES 1/4W 56K 5% .2"U T&R RES 1/4W 82K 5% .2"U T&R RES 1/4W 100K 5% .2"U T&R RES 1/2W 150K 5% T&R RES 1/4W 150K 5% T&R RES 1/4W 180K 5%MINI T&R RES 1/4W 270K 5%MINI T&R RES 1/4W 470K 5%MINI T&R RES 1/4W 1M 5% .2"U T&R RES 1/4W 4M7 5% .2"U T&R RES 10" 9C-26AWG RIB 1 W/LCK HDR 098 RELAY 1C 02AMP DC24 006MA PC-S EMI FILTER FOR RIBBON CABLE 4-40 X 5/16 PAN PH MS JS500 4-40 X 3/8 PAN PH MS JS500 4-40 X 5/8 PAN PH MS JS500 #4 X 5/16 PAN QUAD TYPE A JS500 BLK 6-32 X 1/4 PAN PH TAPTITE JS500 6-32 X 3/8 PAN PH TAPTITE JS500 6-32 X 5/8 PAN PH TAPTITE ZINC #10 X 3 1/2 FLAT SOCKT WOOD ZINC CL 8-32 X 3/8 PAN QUAD TAPTITE JS500 8-32X1.25 PAN PH MS ZINC CLEAR #10 X 3/4 PAN PH TYPE A BLACK OXIDE #10 X 7/8 FLAT PHIL TYPE A JS500BLK 10-32 X 1 1/8 FLAT PH MS JS500 10-32 X 1 1/4 PAN QD MS JS500 BLACK 10-32 X 1 1/4 PN PH TT FULL THD JS5 #10 X 1 1/2 PAN PH TYPE A JS500 ROUND PUSH BUTTON 1/4" GREY #14X11/4 ALLEN FLHD WOOD SCRW JS500 1/4-20 X 2 PAN QUAD JS500 5/16-18X2 1/2 CARRIAGE BOLT ZINC M5 X 60 PAN PHIL MS JS500 BLACK Qty. 2 2 3 2 1 1 2 14 4 1 2 5 2 3 1 1 2 3 2 5 2 6 1 2 2 1 2 8 3 4 6 1 12 2 8 4 2 1 3 3 1 3 1 4 6 5 1 1 1 1 1 1 1 1 10 1 1 1 1 4 1 9 6 19 2 7 6 7 4 6 2 6 4 4 4 2 4 2 1 2 YS # 3751 3851 3859 2/150Y4M 8908 8667 8482 3522 3585 3395 CH1254 Description SNAP IN 5/16 SPACER RICHCO 1/2 PCB PLASTIC SPACER 1/2 PLASTIC HEX SPACER #4 12" 4R 450WPGM NEO SPEAKER B&C #10 SAE FLAT WASHER .25"ID .565" OD SHOULDER WASHER SWS-229 LENGTH 1/8 3/8 1D FLAT WASHER DPDT MINI PC VERT SNP ALT DPDT ROKR SW QUIK 250" AC/PWR IEC65 THERMO/BRKR:N/CLOSED OPEN@82C NX520P POWER TRFMR T'RD Qty. 9 6 2 1 2 4 4 2 1 1 1

LINK
+24 PHANTOM MIC LEVEL MIXER ON / OFF LINE / CD LEVEL
1 3 2

MIC
1 3 2

LINE / CD

2

3

1

NX550P LEVEL

Y orkville

NOTES: ALL LINK CONNECTIONS FUNCTION AS INPUTS OR OUTPUTS. EXTERNAL MIXERS CONNECT TO LINK INPUTS

+15V
{Function} J1

3453

A

+15V
NE5532N U16:C VU16:B 3K 1/4W R223 C62 100P 100V U17:A C63 47N NE5532N 100V C64 39N
MINI

RAD

1N4148 D25

100V

MINI

MINI

1/4W

FROM MIXER
{Function} J2 8

R91 820R
RAD

U14:C V+ V+ NE5532N

U13:C NE5532N

U15:B 3 U18:A 4 NSL-32SR2 6858

R90 1/8W 274R
FLMP

C61 100N

U12:A 100V

681R R86

1/8W

V-

V-

B

R87 1/4W 1K

R88 1/4W 1K

C60 10N

R89 1/4W 2K

U14:A

2K49 R84

1/4W

MAIN INPUT
IGND
V+

C59 68N

100V

C70 100N R85 1/8W 681R
FLMP FLMP

100V

-15V
4

-15V
MINI

NE5532N 4 U13:A

TO POWER AMP PCB

LVGND

-15V
4 100V VU18:B U18:C NE5532N

LVGND1

-15V
4

8

Function 1/4in JCK PCB MT VERT STER RT SWT J3

1/4W

8

C65 100N 1/4W R103 1M
RAD

100V

V+

NE5532N U17:C

RAD

Function M P1:A

V-

1/4W

IGND
RING 1/4W R108 1M 1/4W
RAD

4537 B LIN 10K

U17:B

4

TRIM /GAIN

LVGND1

LVGND1

+15V
LIMIT L2 RED 1/4W
RAD

LVGND1

C68 47N

100V

C69 39N

100V R106 2K49
MINI

U14:B

R104 1/4W 1K
MINI

U13:B

1K0 R101

1/4W

100V C67 470P

D26 1N4148 8

R225 1/4W 3K3

180R R100

1/4W

-15V

+15V

0.1%

3K 1/4W R224

R102 1K87

MINI

FLMP

8

MINI

250V C66 4N7

LVGND1

V+

V+

3925

FLMP

RAD

4

R93 1/8W 475R

R94 1/4W 10K

0.1%

R95 1/4W 562R0

V-

R92 1/4W 681R0

+15V
R96 1/2W 442R

+15V
R97 1/4W 1K 1N4148 D27

8

LVGND1

LVGND1
R99 1/8W 681R

1 NE5532N U12:C U12:B 3

0 W4:A

LVGND
2 0 W4:B 0 W4:C 0 W4:D 0 W4:E

NE5532N

+15V
MINI

+15V

+15V -15V

4 5

NE5532N

NE5532N

HORNGND +24V HORNGND

6

0 W4:F

IGND

R109 10K
RAD

100V C72 470P R114 1/4W 10K
RAD

NE5532N

-15V
R110 1/4W 681R0
0.1%

7

0 W4:G

Function 1/4in JCK PCB MT VERT STER RT SWT J7

R113 1/8W 475R
FLMP

R111 1/4W 562R0
0.1%

LVGND1

U16:A

C73 100P

MASTER CLIP
R119 1/4W 270K
MINI

1K5 R107

LVGND1 NET00039
R115 1/4W 1M C75
RAD

WOOFCLIP
D29 BAT85 0A2

8 9

0 W4:H 0 W4:I

100V

MPSA13 Q21 5105 TO92 33K 1/4W R120
RAD

C76 100N

B

D30 100V 1N4148

LVGND1

100N C74 100V

NET00039
R121 1/4W 27K
RAD

-15V
4 V-

R118 1/4W 27K
RAD

R117 1/4W 10K
MINI

LVGND2 NET00053 -15V
D32 BAT85 0A2 D33 6V2 1N753ARL 0W5 470R R124 1/4W
MINI

1N4148 D31

RING

V-

U19:C V+ U19:A

MINI

4

NE5532N

R122 1/4W 10K

NE5532N

U20:B U20:C R123 1/4W 470R
MINI

D34 1N4148 6858 R222 NSL-32SR2 47K 1 2 U15:A

-15V
4 R126 1/4W 2K7
RAD

R125 1/4W 2K49
MINI

1N4148 C78 220N R127 1/4W 2K2
MINI

1N4148

63V

V-

U21:B U21:C C79 330N 63V C80 330N 63V

D38 U22:B R129 1/4W SOLID
WIR

NET00082

LVGND1

+15V

LVGND1
D37 1N4148

LIMITER
33K R128 NE5532N D39 BAT85 0A2 0A2 D40 BAT85 R140 1/4W 10K
RAD

+15V
1/4W
RAD

NET00082

1/4W

3 U24:B U23:B

V+

C82 220N

63V

220N

63V

U24:A

MINI

MINI

U24:C NE5532N

{Function} 3522 S3:A UP DOWN

100V C86 22N

LVGND2
1/4W

1/4W

C83

R133 1/4W 1K

R134 1/4W 1K

MINI

R136 1/4W 475R0 R142 324R0
0.1% 0.1%

1/4W

4

NE5532N

+15V

R135 15K

1/4W

-15V
V-

4

NE5532N R137 47K
MINI

R132 6K8
MINI

RAD

1K R130

U19:B

-15V
R141 1/4W 47K C85 47P 100V

R138 33K
RAD

8

C84 68N

D41 100V 1N4148 R144 1/4W 10K
RAD

LVGND1
R139 1/4W 36K 22U C87 50V

LVGND1

LVGND1

1/4W

D42 1N4148

R145 2K49
MINI

U26:E

LVGND2
D43 1N4148

+15V
U21:A R214 1/4W 470R
RAD

LVGND2
D44 1N4148

VALUE LVGND2

RAD

U26:A LM13600N 1/4W R147 220R
RAD

R143 1/4W 47K

1/4W

6858 NSL-32SR2

NE5532N

R131 1/4W 4K7

16V C81 10U

V+

8

D35

100V C77 100N

V+

8

LEDGND

U20:A

NE5532N

MINI

8

-15V
4 VNE5532N U22:C 16V C90 33U V+ U22:A R146 1/4W 10K
RAD

RAD

2U2 C88

63V

+15V
CLIP L3 YEL

-15V
4 VNE5532N U27:C V+ U27:B D45 1N4148 1N753ARL D47 6V2 0W5 1/4W R158 1M
RAD

1/4W

RAD

1/4W

R148 56K

R149 27K
RAD

1/4W

LVGND2

1 2 U23:A

8

{Function} 3522 S3:B UP DOWN

R154 47K
RAD

MINI

1/4W

4U7 C89 63V 1/4W R152 150K

R156 15K
MINI

R155 1/4W 1M
RAD

TO92 5102 Q23

LVGND2 LVGND2

+15V

LVGND2

+15V

8

+15V

RAD

+15V
POWER L4 GRN R164 1K5
RAD

LIMITER SENSE
R157 1/4W 10K
RAD

RAD

MPSA06 Q22 5103 TO92 R163 47K
RAD

1/4W

R159 4K7
RAD

RAD

LVGND2 WOOFCLIP

1/4W

LVGND2

R162 1/4W 3K3
RAD

NE5532N

63V C93 220N

R165 4M7
RAD

LEDGND LVGND2
10K0 1/4W R167 R170 1/4W 10K0
MINI MINI

1/4W

D62 1N4148

1/4W

2K 1/4W R216

RAD

-15V LVGND2

LIMITER
U27:A

1/4W

BC560C R161 1M

LEDGND

R168 1/4W 220R
MINI

+24V IGND
R174 1/4W 562R

R169 1/4W 6K8 R171 1/4W 47K
RAD

50V

22U C94

100V

100V

V-

LVGND3 -15V
4 V-

50V

22U C98

FLMP

MINI

8

R173 1/8W 249R

1/4W

MIC J4

50V C101 1N

16V C99 33U R175 1/4W 2K49

R172 1/4W 1K
MINI

MINI

-15V
4 U29:B U29:C V+ NE5532N

U28:B C95 100N NE5532N C96 68N

+15V
100N C119 100V 100N C120 50V 100N C121 100V 100N C122 100V 100N C123 100V 100N C124 100V 100N C125 100V

M1158.PCB_DATABASE_HISTORY MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 DATE AUG 25 2003 OCT/03/2003 . . D D 11-FEB-2004 D D D D D D NX550P VER# DESCRIPTION OF CHANGE 1.00p1 Derived from M1159 1.00 pc#6629 R109 100K->10K, R223 2K2->3K R224 15K->3K . R112 DELETED PC#6630 R101 681R->1K0,C61 47N->100N . C78 330N->220N,C79 220N->330N,220N->330N V N V N 2.00 Increased spacing on PS to 6mm to comply w/ IEC tests V N V N V N V N V N V N 126 T126 BC550C

Function M P2 4566 B LIN 10K

33U C97 16V

NE5532N U28:C

IGND
50V C108 1N R181 1/8W 249R
FLMP

4K7 1/4W R177 75R R178 1/8W
FLMP

MINI

R179 30K
RAD

+15V
2K 1/4W R180
RAD

-15V
100N C131 100V 100N C132 50V 100N C133 100V 100N C134 100V 100N C135 100V 100N C136 100V 100N C137 100V

V+

U28:A

LVGND3

3925

8

50V

22U C107

R182 1/4W 562R 1/4W R185 2K49
MINI

+15V

LVGND3

IGND

D.N.S. 1/4W R183

RAD

1/4W

MIC GAIN

100V C114 D.N.S.

R184 1K
RAD

LVGND1

LVGND3

LVGND4

LVGND1

LVGND2

LVGND

+15V

SILENT MIXER ON/OFF
R217 1/4W 18K

1N5250B 0W5 D13 20V0
D63

2N5401 Q16 5108 TO92

MIXER SECTION
CD 1/4in JCK PCB MT VERT STER RT SWT J5 R189 1/4W 10K0
MINI

LVGND3

U29:A 1/4W
RAD

100V 4K7 R186

C117 D.N.S.

RAD

-15V
K1:B D.N.S. 1/4W R215
RAD

NE5532N

1N4148

NC 1/4W R188 10K
RAD

NO

C+

LVGND3

K1:A

LVGND3
R190 1/4W 1K0
MINI

3696

+15V

E CB
C-

CBE

"STYLE_P25"

RING

1/4W

V+

V-

R196 1/4W 10K0
MINI

RAD

1/4W

U32:C 50V C138 33P U32:A

CD 1/4in JCK PCB MT VERT STER RT SWT J6

Function M P4

LVGND4

1/8W

MINI

FLMP

8

R203 1/4W 1K0

-15V

4566 B LIN 10K

4

1K 1/4W R199 75R R201

MINI

10K 1/4W R200

RAD

+15V
V+ NE5532N U33:C VU33:A
RAD

BASS
220R 1/4W R206

1/4W

33U C128 16V

R195 1/4W 10K
RAD

50K B LIN 4546

NE5532N

P3 Function M

IGND

50V C129 33P

R191 1/4W 10K0
MINI

16V

C126 33U R197 47K

R160 1/4W 4K7
RAD

U32:B R192 1/4W 4K7
RAD

C127 47N

LVGND4
100V R193 1/4W 4K7
RAD

COM

XC85

NE5532N

R194 1/4W 332R0
{Body}

C130 47P

100V

R176 1K07
0.1%

R218 1/4W 1K
MINI

{TITLE} {MODEL} MODEL(S):REF FUNCTION PART# KNOB
P1 P2 P3 P4 P5 R R R R R R R MAIN GAIN MIC GAIN BASS TONE LINE GAIN HORN TONE F F F F F F F 4537 4566 4546 4566 4537 P P P P P P P K K K K K K K K K K K K

8

{NEW}
JUNE 5th 2001 JUNE 5th 2001 JUNE 5th 2001 JUNE 5th 2001 JUNE 5th 2001 N N N N N N N

R204 47K
MINI

R198 1/4W 470K
MINI

UP DOWN S5:A 3522 MIXER

MINI

LVGND4
1/4W R207 10K0
MINI

16V

C139 33U

RING

LINE GAIN
LVGND4

R208 SOLID
WIR

R209 1/4W 10K0
MINI

-15V LVGND4

4

22AWG

U33:B

NET00116

400V C140 2N2 P5:A M Function 10K B LIN 4537

LVGND4

B

LVGND4

1/4W

R205 1/4W 10K0

NE5532N

R202 1K4

A

UP DOWN S5:B 3522 MIXER

NET00116

Product

IGND

R210 1/4W 1K2
MINI

TREBLE

R211 1/4W 1K2
MINI

TO MAIN INPUT
NET00155

NX550P
PCB# M1158 Sheet 1 of 4

NX550P

Rev: VER 2.00 Date: Thu Feb 19, 2004 Filename: m1158v2.00sch.sch2002

1/4W

NE5532N

1/4W

6858 NSL-32SR2

1/4W

R150 15K

R151 220R

R153 1K5

+44V
M1158.PCB_DATABASE_HISTORY MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 NX550P DATE VER# DESCRIPTION OF CHANGE AUG 24 2003 1.00 Derived from M1159 D V N D V N D V N D V N D V N D V N D N V V D N D V N N D V N D V N D V MAY/22/2003 4.20 DE-72P DRIVER TO #7401 DE-72P TITANIUM DRIVER
R13 1/4W 2K2
MINI

D

2.0W

PHANTOM SUPPLY
+44V
R10 4K7
RAD

HORN AMP
C92 3N3
BC560C Q5 5102 TO92 2N5401 2N5638 Q9 5119 TO92 680P C8 100V 1/4W R21 18K
MINI

R1 1/4W 22K
MINI

R2 1/4W 2K21
FLMP

G

N S

IRFP140N Q12 6931 TO247 IRFP140N

4U7 C3 63V 1/4W R5 3K9

R3 2K2 R4 2.0W 2K2

680P 1N5242B C1 D1 100V 12V0 0W5

10U C2 63V

D2 16V0 1N5246B 0W5

D3 MR854 BDX53C BDX53C Q2 6912_S TO220

+22V

HORNGND
100V
R219 1/4W 470R
RAD

2N5551 Q4 5107 1N5254B D4 27V0 0W5 10U C7 63V TO92

68U C4 25V C6 10P BC560C Q6 5102 TO92 1/4W

1/4W

1/4W

1/4W

RAD

RAD

1/4W

R7 R8 680R 10K

R9 15K
MINI

R6 1/4W 12R BC550C Q3 5101 100N C5 100V

1.0W

1/4W

+24V
D5

C144 10N

100V

R14 1/4W 18K
RAD

R15 270R
RAD

TO92

FLMP

1.0W

500V

TP1

R11 0R47

R12 0R47
FLMP

+

18AWG 1.0W 1.0W R17 0R47
FLMP

SILENT ON/OFF
0W5 22V0 1N5251BRL

1N4148 R20 1/4W 1M
RAD

2N5401 Q8 5108 TO92

R16 2K2
MINI

LVGND

SILENT

R19 1/4W 2K2
MINI

Q7 5108 TO92

TP2
15P C10 100V

R18 0R47
FLMP

C118 2N2

400V

3

YELLOW HORN_POS

63V C12 1U

1/4W

1/4W

RAD

10K R22

63V C11 2U2

0W5 12V0 D7 1N5242B

D8

4U7 1N4148 C9 63V D6

HORNGND WOOF_SILENT HORNGND HORNGND
1/4W R25 100K
RAD

{Function}
D21 1N4148 1/4W R24 2K2 1/4W
MINI

R23 1/4W 12R 1N5246B 10U C13 63V R26 1/4W 2K21
FLMP

FROM INPUT PCB
_9 1
0 9W1:A

S

CIR WAFER W/LCK

0.1"

LVGND

MJE340 Q11 1N5242B 6873_S D11 TO126 12V0 0W5 R27 100R
RAD

0W5 16V0 D9

BDX54C BDX54C Q10 6911_S TO220 D10 MR854 IRFP9140N Q1 6932 TO247 IRFP9140N

R220 6R2

+

S1
#7401-DE-72P-8R 120W titanium

HORN
4 HORN_NEG BROWN 18AWG

-22V

LVGND HORNGND +15V -15V +24V WOOFCLIP LVGND2

W1:B 9 0 3 4 5 6 7 8 9

0 9W1:C 0 9W1:D 0 9W1:E 0 9W1:F 0 9W1:G 0 9W1:H 0 9W1:I R28 1/4W 4K7
MINI

+120V -44V
1/4W

+15V_MOD
1/4W R30 2K
MINI

+5V_MOD

+5V_MOD
14

R29 1K
MINI

220P C15 100V

GND V+

+15V_MOD

+5V_MOD
1/4W R32 22K
MINI

100N C16 100V 6964

MPSA92 5.0W Q13 5114 1/8W TO92 R33 1K5
FLMP

GND1

-15V_MOD

V- V+

R34 1/4W 47K
MINI

C18 220P

STROBE

100N C17 100V 100V

1N750ARL D12 4V7 0W5

2

+

LM311 U1
OUT

8

WOOFGND +5V_MOD

6

7 6640

8

V+

+15V
R38 1/8W 10R0
FLMP

MC33078P MC33078P U2:C R36 1/8W 100R

WOOFGND
R35 1/8W 100R

5

4

+15V_C

D14 1N4148

-

BAL

1

3

WOOFGND +5V_MOD

-15V_MOD +5V_MOD +15V_MOD
1/4W
STROBE

WOOFER AMP
R37 1/4W 150R
MINI

WOOFGND

7

U3:C

R31 0R047

U2:A

D G R39 1/4W 2R2 N S

4

+15V_C WOOFGND

U2:B

+

MINI

1/4W

2

LM311 U4
GND1 OUT

8

6964

U3:A

6964

U3:B

NET00201

100N C21 100V

-15V_C

0A2 BAT85 D15 R40 22K

IRFP350 Q14 6914 TO247 IRFP350

100N C19 100V

D

2

680P C14 100V

G

P

HORNGND

3U3 C20 140V

V-

+4V7_LS
13 12

6

V- V+

100N C26 100V

WOOFGND
C28 470P 100V

-15V_C

R44 1/8W 10R0
FLMP

9

1/2W

100N C27 100V

1/4W

-15V
R51 1/4W 6K8
MINI

MINI

5 R49 4K7
MINI

U8:A

5

+15V_MOD
4 V+ MC33079P U6:E VU6:B

STROBE

11

1/4W

MINI

1/4W

R56 1/4W 6K8

R54 1/4W 1K
MINI

R55 1/4W 1K
MINI

R52 1/4W 1K4

V+ V-

3 MC33079P 2 U6:C R212 D.N.S.
MINI

BAL

47N C32 100V

WOOFGND
MC33079P

RAD

+15V_LS
R50 1/8W 75R D19
FLMP

1/2W

R45 1/4W 6K8

0W5 4V7 D18 1N750ARL C29 10N 100V R47 1/4W 1M

5

MINI

4

+/-15V_C

7 6640

74HC86N U5:D 11 6605 74HC86N U5:C D17 UF4004 100N C24 100V 1U C25 63V

R41 1M
RAD

1N5248B D16 18V0 0W5

3U3 C51 250V L1

-15V_MOD

R42 1/4W 2K

-

BAL

1

3

3U3 C22 140V

100N C23 100V

WOOFGND
R43 1/4W 47R
MINI

-15V_MOD WOOFGND -15V_MOD
4

+5V_MOD
4

74HC86N U5:B 6 6605

10

233UH R46 1R
SMALL

8 6605

3786

18AWG 5 BLACK NEG_OUTPUT 100N C30 100V 3U3 C31 140V

+4V7_LS

R48 150K D IRFP350 Q15 6914 TO247 IRFP350

+

-

6640 7

GND1

-120V +4V7_LS

OUT

8

U6:A

+

6

U7 LM311

100N C33 100V

G R53 1/4W 6R2 R57 1M
RAD

N S

1

WOOFER 15/138Y8M S2

IR2110

0A2 BAT85 100N C34 100V 1U C35 63V

6 1N5248B D20 18V0 0W5 5.0W R58 0R047 74HC14N U9:C 5
IN OUT

-15V_MOD
100N C37 100V 1/4W R59 6K8
MINI

1/4W

47N C36 100V

WOOFGND

+15V_MOD
R213 D.N.S.
MINI

-120V 74HC86N
U5:A 1 2 3 6605

6887 C141 4N7 250V

POS_OUTPUT RED 18AWG

6 6603 74HC14N U9:E

PSGND

NET00013 -15V_MOD
74HC14N U9:A 74HC14N U9:B 3
IN OUT

1/8W

WOOFGND WOOFGND
IN OUT

R60 1K5
FLMP

-120V
11
IN

R221 1/4W 220R MINI 74HC14N U10:C

OUT

10 6603

+15V

1

2 6603

4 6603 74HC14N U9:D

+4V7_LS

6 6603

OUT

IN

5

R65 1/4W 1K
MINI

2N5551 Q17 5107 R62 1/4W 4K7
RAD

74HC14N U9:F 13
IN OUT

12 6603

FROM POWER SUPPLY

5.0W

5.0W

5.0W

5.0W

R64 1/8W 10R0
FLMP

V+

+15V_MOD +15V_LS

R69 8K2

R67 8K2

+5V_MOD
9 14
IN

1/4W

PSGND

TO92 R66 1K
MINI

14

R75 8K2

R68 8K2

OUT

100N C91 100V R105 5.0W 12K

W2:B 0 680P C71 100V W2:C 0 W2:D 0 W2:E 0 W2:F 0 W2:G 0 W2:H 0

2 3 4 5 6 7 8

+22V -22V +44V -44V +120V -120V SILENT

+/-15V_MOD

100N C41 100V

7

1N5240BRL D22 10V0 0W5

100N C42 100V

V- V+

V-

1

1/4W

W2:A 0

PSGND

8 6603

63V
R63 1K4

5N6 C39 100V

WOOFGND
74HC14N U10:B

U5:E

U9:G

7

470N C143

R166 1/4W 47K
MINI

3N3 C38 100V C142 100N 100V

WOOFGND
MPSA92 Q19 5114 82K 1/4W R72
RAD

2N5401 Q18 5108

+4V7_LS
100N C44 100V

WOOFGND
TO92

-120V -120V

SILENT ON/OFF
2N5638 Q20 5119 TO92

3

IN

OUT

4 6603 74HC14N U10:D

LVGND

0W5 1N750ARL

D23 4V7

100N C43 100V

WOOFGND
1/4W

9 TO92

IN

OUT

8 6603 74HC14N U10:F

-15V_MOD

R73 1/8W 10R0
FLMP

+4V7_LS
14

R70 1K4 74HC14N U10:A

WOOFGND
1N4148 R76 4K12
0.1%

WOOF_SILENT
13
IN

V- V+

U10:G

1 R74 1K4

2 6603

1/4W

-15V

-120V

D24

R71 1/4W 180K
MINI

OUT

12 6603 74HC14N U10:E

IN

OUT

R77 1/4W 37K90
0.1%

R78 1/4W 37K90
0.1%

+4V7_LS

-15V_MOD

WOOFGND +4V7_LS

1/4W

11

7

IN

OUT

10 6603

+15V_MOD +15V +15V +5V_MOD
100N C50 100V 100N C53 100V 100N C52 100V 100N C58 100V 100N C47 100V 100N C48 100V 100N C49 100V 1/8W
FLMP

-120V +15V_MOD
R83 100R0

-120V

U6:D R79 1/4W 1K0
MINI

470P C45 100V

MC33079P 470P C46 100V R80 1/4W 4K12
0.1%

+5V_MOD
U11 MC78L05ACP
IN OUT

WOOFGND
R82 1/4W 37K90
0.1%

PSGND

100N C55 100V

100N C56 100V

100N C57 100V

PSGND

100N C54 100V

{Function} 6728 {Watts} TO92

+5V_MOD

HEATSINK

HEATSINK

R81 1/4W 37K90
0.1%

Product

PSGND

WOOFGND -15V PSGND -15V_MOD

NX550P
PCB# M1158 Sheet 2 of 4

NX550P

Rev: VER 2.00 Date: Thu Feb 19, 2004 Filename: m1158v2.00sch.sch2002

IEC_RECT #3645

POWER SUPPLY
SCH_DPDT #3585 FUSE 3682 F1 BLACK N.A. 4A / CE 2A FAST BLOW S4 22N C102 275V 6492 GROUND W26 GREEN 3682 1.0W R187 1K8 C112 100N C40 100V W21 NEUTRAL W27 GREEN PSGND 18AWG WHITE 3682 W20 PRIMARY BLACK 3682 1300UH L5:A LIVE W9 3682 BLACK PRIMARY W10 680N C106 250V 8 L6 #1255 GENERIC_XF_3S_1P 9

18AWG BLACK W25 SILENT 3682 PURPLE +150VRAIL W6 D49 1N4004 7 +54VRAIL 3682 GREY W12 6 W13 3682 +24VRAIL RED 5 3682 YELLOW 4 W14 2487_500 R98 D52 1N5402 D55 FUSE 1N5402 D50 1N4004 18AWG BLUE W11 +24v 2200U C105 50V

TO POWER AMP PCB
D48 MR752 D51 18AWG ORANGE W8 +54V D53 4U7 C103 63V D54 1N5402 2200U C104 63V MR752

SILENT

W7 18AWG YELLOW +150V

+120V

+22V
100V C109 100N

IN

U30 MC7815CT

+15V

1N5402

+44V
2700U C100 180V

OUT

MC7815CT 6872_S {Watts} TO220

7.0 AMP SLO-BLO T&R {C_Type} 2487_500 R61

18AWG GREEN W15 PSGND D57

CENTERTAP 3 W17 -24VRAIL RED 2 3682 W18 -54VRAIL GREY 1 3682

D56 FUSE 1N5402 D58 1N5402

7.0 AMP SLO-BLO T&R {C_Type}

18AWG RED W19 -24v

100V 2200U C116 C111 100N 50V

TO220 6871_S {Watts} MC7915CT
IN

4U7 C110 63V

PSGND
2700U C113 180V

PSGND -15V

1N5402

2200U C115 63V 18AWG BROWN -54V W22 D59

CHASSIS GROUND MADE THROUGH16AWG 1/4" INPUT JACKS GREEN
W16 INPUTGND

-22V

MC7915CT U31

OUT

D60 1N5402

-44V

MR752 18AWG WHITE -150V W24

D61 W23 -150VRAIL PURPLE 3682 MR752

-120V

IGND

PSGND

C130

U27

R171

NE5532N
U28
TIP-SW

W10
R181 C101

1N5402 1N4004 D60 1N5402

C80 U22

47K

100N

C96

C136

R173

C85 R147

R138

R125

220R 16V 33U
C90

2K49
R135 R142

R145

100N

R133

R175

R136

R127

R134

1K8

C124

D57

6V2

.475

MIXERIN/OUT

R155

1K

U21

S5

RING SLEEVE

100N

100N
J2

INPUT

R156

475R

4U7 63V

2

D62 C75

R113

U23

1N5402 50V RT 2200U V C115 1N4004 D50 MR752 D48 2700U 180V

D54

U26

LM13600N
D33 D29 R222 R123 U20

R151

D44

1N4148
R115 D34

R152

.175

150K 2K 470R 47K R159 4K7
D43

C82

U19

100N

27K

R216

R214

1N4148

1N4148

R154

R124

4N7

27K 6V2 BAT85

10N
C60 R88

100P 562R0 681R0 681R0

475R

P1

470R

10K

10K

R93

R149

1K 2K

3K

C62

R225

100N

33K

36K

R224

R128

C64

U15

OUTPUT

2

D40

R140

NE5532N

RED LIMIT

YEL CLIP GRN

270K

681R

100N

100N

U12

U13

10K

M1158-NX550P

180R

R86

100N

R40 R32

C41

C44

100R

4K7 10R0 220P

10R0

2N5551

2K2 27V0

R20

4K7

100N

100N

100N

D.N.S. D.N.S.

R30 22K 22K

47N

TO92

74HC74 U1 U4 LM311 D18

MC33078P 1N4148 LM311

470R R219 C144 10N

Q11 D6 D21 100K 680P C14 1N4148 1N4148 15P C10 100R R27 R25

100R R73 10R0

BC560C

2N5638

2N5401

18K

10P

2N2

C58 100N

C37

C21 100N 100N 100N

680P BC560C

D14

U6 MC33079P

C36

TO92

TO92

R220

6R2

C118

4V7 47K 4K7 100R0 R83 U7

6K8 R59 100N R47 470P C45 470P C46 R76 4K12 37K90 37K90 4K12

10K 15K 2K2 2.0W

R15 270R

R7 680R

R35

R42 2K R34 100N R49

R52

C50 100N

C71 680P

1K0

10U 63V

Q13
MPSA92
TO92

R63 R70 U9

1K4 1K4

C27 U10 C43

C52

MC78L05ACP

U5 C48

MPSA92

2N5551

150K

2N5638

220P

4K7

82K

1K

0R047 5.0W

3. SLIDE EMI FILTER OVER RIBBON BEFORE INSERTING INTO P.C.B.
#3790 #3535

5N6

74HC14N R74 1K4 R65 1K R166 47K C38 R75 R67 R68 3N3 4V7 470N C143 R69 D23

0R047 5.0W R78 D3 MR854 C110 C20 C51

R62

Q17

R72

C39

C15

R29

Q19

Q20 R48

C141

220R

BEC
40

37K90

R221

NX550P VER-2.00

M1158

{Am p {Wirs} eGa uge }

R39

140V

BAT85

R37 150R BAT85

3U3 250V

3U3

C34 18V0

75R

5.0W

5.0W

5.0W

5.0W

8K2

8K2

8K2

8K2

233 UH

R50

D19

D20

18AWG POS_OUTPUT 6 C23 100N

ETCH GUIDE
.012" .020"

.005" .008"

RED
RT V

R53

6R2

C31

C30 IRFP350 3U3 140V RT V RT V 140V 3U3 RT V 100N 100N C19 C22 Q15 6914

ETCH GUIDE

.005" .008"

.012"

.020"

1M R57 D16 18V0 UF4004 UF4004 D17

RT V

5 WATT

5 18AWG NEG_OUTPUT BLACK

CLINCH ORIGIN

SEE NOTE 5

M1158-PCB-MECH VER2.00

RT V

R41 1M

D15 1/2W R46 1R 2R2

5. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR

1U

63V

1U

63V

100N C35

100N C24 C25

C53 Q14 IRFP350 6914

100N

C42

RT V

**************IMPORTANT****************** 4. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1

37K90

LOC

D22

1K

L1

C33 100N 100N

C103

1K5 R60 U8 IR2110

R66

R82

R31

Q12

2.-NOTE THAT HORN WIRES FOR NX520P AND EF500P ARE OPPOSITE IN COLOR W.R.T. PCB INSERTION. CHECK PROPER LAYOUT FOR CORRECT COLORS

C29 D24 1N4148 100N
TO92

R71

R43

C55

2.0W 2K2 R3 FROM POWER SUPPLY 1K5 R33 R58

R11

74HC14N

X1

74HC86N

C142

R79

R77

R81

R80

10V0

4N7

10N

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.

2N5401 Q18

100N R105

180K

47R

100N

100N

100N

100N

100N

100N

100N

100N

1M

C16

TO92

C5

68U 25V

D12

C56

12K 5.0W

C54 U11 C57

R12

C17

4V7

22K

R1

D7 C1 680P

R8 R9

4U7 63V 100N W2

100N

BC550C

PRODUCTION NOTES

R14

1K4

LM311

R5

"STYLE_P25"

C49 C47

C8 3K9

Q5

12V0

C6

R16 2K2

C9
TO92

4

0R47 12R 0R47 1.0W 0R47 1.0W 2K21 R2 12V0 D2 16V0

R6

R17

2K

Q7

Q4 R10 Q9 C3 63V 4U7
TO92

Q6
2N5401
TO92

Q8

Q3

E

FROM INPUT PCB

C7 63V 10U

18K 22V0 2K2 1N4148 3N3

C

C26

2K2 R24

U3

R212 R213

C32

U2

63V 10U 3

1.0W 0R47 R18 MR854 12R 16V0 1.0W

Q1 D10 R23 D9

Q10 BDX54C BDX54C TO220

M1158-DS TOP TRACE LAYER VER2.00 M1158-DS SILKSCREEN LAYER VER.2.00

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

MAIN GAIN MIC GAIN BASS TONE LINE GAIN HORN TONE F F F F F F F

4537 4566 4546 4566 4537 P P P P P P P

K K K K K K K K K K K K

JUNE 5th 2001 JUNE 5th 2001 JUNE 5th 2001 JUNE 5th 2001 JUNE 5th 2001 N N N N N N N

TO92

47N

47K 1K5

4K7

1K5

27K

C122

C123 R84

R157

33K 1K5

{NEW}

T0220 E CB 126

L2

L3

Q22

TO92

U14

C134

R120

R107

R90

R163

R153

R131

R121

MPSA06 R28 R38 C18 R36

C68

R164

R100

R96

100N

274R

68N

C59

39N C69

R119

Q21

C74

W16

B C E

MPSA13 W1 4004

INPUTGND R22 C12 2U2 1U 63V 63V C92 C11 10K MJE340 Function R13 D4 R21 D8 R19 D5 D11 R26 C13 2K21

R44

470P C28 6K8 R45 1K R54 6K8 R51 6K8 R56 10R0 R64 1K R55

CBE

J1

100N

2K49

C61

1M

-

-

-

BC550C

442R 1/2W

T126

L4

RING-SW

NE5532N

NE5532N

YELLOW
18AWG

1N4148 1N4148
D31

D35

180V 2700U

R103

RT V

BAR DOWN

GREEN

16AWG

C100

12V0

C4 R4 C2

Q2

D1

4U7 63V U31

RT V

63V 4U7

BAR DOWN

+

+

+

NX550P MODEL(S):REF FUNCTION PART# KNOB

POWER

1

RING

SLEEVE

M1158

1M

R104

C67

3

R85

R99

R106

J7

470P

681R

681R

10K

C77

C88

2U2 63V

22U 50V

D27

1K
R97

1N4148 1K

2K49

+150V W7

D59 MR752

W23

MR752 D61

-150VRAIL

TIP-SW

C87

39N

100P

TIP

D32 R101

R87

1K 47N

C63 R102

BAT85 1K0

10U 16V

10K

C73

D39

R111

D26

100N

R117

C81

562R0

R94

10K

1N4148 1K87

10K

R139

U16

R122

D37

1N4148 BAT85 BAT85

D25 R89

U17

C131

C65

1N4148

-150V W24

18AWG

BAR DOWN

WHITE
18AWG

RT V

MR752 W6 D53

RT V

RT V

PURPLE

+150VRAIL

B LIN

MASTER GAIN

BAR DOWN

NE5532N 3K3

NE5532N

NE5532N

R114

J8

NE5532N

NE5532N

100N

C76

C119

U18

220N

3K
R223

.475

R118

1M

C89

C135 C66 R91

.225

TIP

820R

D30

C72 R108

1N4148

470P 1M

-54V W22

GREEN
18AWG C113

W15

BROWN

250 MALE PCB TAB BULK CARTRIGE

47K 470R

R95

R92

TIP-SW

R110

1N4148 D42 R126 2K7 R148 56K

18AWG

C83

ORANGEPSGND
W8 +54V

PSGND YELLOW FROM INPUT PCB 2200U C104 RT V 50V

1N5402 RT V

GREEN
W27

GREY

W12

18AWG RT V

PURPLE

+54VRAIL

SILENT RED 18AWG 18AWG

S3

BLUE

3

D51

.

R150

BC560C 220R

NE5532N

NE5532N

22N

D47

15K

TO92

Q23

15K 1N4148 SUBIN\OUT .

1M

R161

C132

RING-SW

J3100N

R174

-24v

1

C120

W25

W19

C116

+24v W11

W14 CENTERTAP

R187

R162

1M

2K2
NOL NCL CL

1K
U24

R169 R178 C86

33U 16V

R182

R158

475R0 324R0
NCL CL

1K07

220N

2K

30K R179 6K8 75R

C97

2K49 2K49

C99 R185

16V 33U

562R

BLACK

18AWG

GREEN FROM AC GROUND

RT V 50V 2200U

PTC

W18

50V 2200U

RT V

1N5402

GREY

-54VRAIL

1N4148 15K

R176

R180

C95

47P

4M7 33K 1M 3K3

R165 D38

2K49

1K4
C78

1K

68N

100N

GROUND W26

1.0W

NE5532N

RT V

R202

R184

U29

330N

C79

R141

47K

NE5532N

R211 R208

C114

P2

1K2

C98

TIP

22U 50V

249R 1N 249R 562R

BLACK

C111

RT V

D49

RED

-24VRAIL

330N

NX550P # DATE VER# DESCRIPTION OF CHANGE 1 JUN/25/2003 1.00P1 DERIVED FROM M1159A 2 PC#6620 FLIP POARITY OF CD/LINE AND MIC INPUTS 3 V REDO LEVEL CONTROL CIRCUIT ADD R223-224-225 4 OCT/03/2003 1.00 PC# R109 100K->10K, R223 2K2->3K R224 15K->3K, 5 . . DEL R112. PC#6630 R101 681R->1K0, C61 47N-> 6 . . ->100N C78 330N->220N C79 220N->330N C80 220N->330N 7 11-FEB-2004 2.00 Increased spacing on PS to 6mm to comply w/ IEC tests 8 D V N 9 D V N 10 D V N 11 D V N 12 D V N 13 D V N

33U 16V

C128

RELAY 1C

50K

C70 K1

C127

10K0 10K0 33P

B LIN

20V0 1K2 4K7

LINE_GAIN

47N

10K

C138

4K7

+ 332R0 1N4148 1K

P4

U32

RING-SW RING

B LIN

100N

R195

R194 D13 R218 2N5401

NE5532N
R160

SLEEVE

W20

RT V {WireGauge}

RT V 250V 680N RT V

22N 275V

C2 C1

18K

-

16V 33U

MODEL(S):-

100N

R217

100N

C137

C139

NC

R206 220R
BASS P3

C126 R197

R191

R190

NX550P M1158 VER-2.00

R192

NO

R201

75R

R207

R203

10K

.475

{4Amps}

1300UH

R189

NE5532N

R210

47K 1N4148

1N4148

220N

B LIN

B LIN

R129

C140

MIC_GAIN

TREBLE

.475

2N2 47P

NE5532N

68N

47K

R137

R183

.225

ETCH GUIDE
.012" .020"

R143

.175

U33

R144

R132

J4

2

C84

R198

R188

R186

4K7

D58

R193

.005" .008"

10K 10K

6K8

10K 10K

D41

D45

R215

MIC_INPUT

Q16

4K7

C133

D63

D.N.S.

100N D.N.S. D.N.S. C117

100N
RING-SW RING

10K0 10K0 J6
SLEEVE

R209

3

R196

WHITE BLACK

R167 R170

R172

D.N.S.

10K

P5

C93

10K

1K 4K7

10K0 10K0
C107

AC BLACK W9

RT V

RT V

1N5402 D56 T7.0

C109 100N C105

RED
W17

R177

22U 50V

TRANSFORMER BLK

R61

+24VRAIL

C125

R146

R204 47K 470K

R200

R199 C121

TIP-SW TIP

C40 100N

D55

1K

R205

1

ROUTE GAGE
4 W

M1158.PCB_DATABASE_HISTORY

0.01"/HOLE

47K

33U 16V

10K0 10K0

1K0 . 1K0

C129

C94

R168

33P J5

22U 50V

220R
C108

L5 TRANSFORMER BLK

C106 C102

M1158 NX550P VER-2.00
4N7 C112 RT V 250V 1N5402 D52 1N5402 T7.0 W13 R98

ETCH GUIDE
.012" .020"

.005" .008"

1N

BLACK

35 35
R130

AC WHITE W21

RT V

NOL

NOR

NOR

NCR

NCR

CR

CR

10K

NS L32 SR 2

220N

R109

100N

100N

1K

2 SR 32 LNS

IRFP9140N

6932

47N

TO92

BLACK

C91

BDX53C BDX53C IRFP140N

TO220 6931

YELLOW

TO92

MC7915CT MC7915CT MC7815CT MC7815CT

TO220

RED

U30

TO220

BLACK

ROUTE GAGE

0.01"/HOLE