Yorkville NX250P Service Manual 电路图.pdf

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1、U.S.A. Yorkville Sound Inc. 4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689 WORLD HEADQUARTERS WEB ACCESS: CANADA Yorkville Sound 550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746 Quality and Innova

2、tion Since 1963 Printed in Canada SERVICE MANUAL NX250P TYPE: YS1030 RadioFans.CN 收音机爱 好者资料库 Manual-Service-NX250P-1v00.pdf IMPORTANT SAFETY INSTRUCTIONS safety-4v3.eps Oct. 26/05 CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SE

3、RVICING TO QUALIFIED SERVICE PERSONNEL. INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS Read Instructions The Owners Manualshould be read and understood before operation of your unit. Please, save these instruc- tions for future reference. Packaging Keep the box and p

4、ackaging materials, in case the unit needs to be returned for service. Warning When using electric products, basic precautions should always be followed, including the following: Power Sources Your unit should be connected to a power source only of the voltage specified in the owners manual or as ma

5、rked 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. Hazards Do not place this product on an unstable cart, stand, tripod, bracket

6、 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 manufacturers instructions when installing the product and use mounting access

7、ories 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 install

8、ation by an instructed person or the use of ready made leads or cords. Ensure that proper ventilation is provided around the appliance. No naked flame sources, such as lighted candles, should be placed on the apparatus. Power Cord The AC supply cord should be routed so that it is unlikely that it wi

9、ll 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. AVIS: AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, NENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE) NE CONTIENT AUCUNE PIECE REPARABLE PAR LUTILISATEUR.

10、CONSULTEZ UN TECHNICIEN QUALIFIE POUR LENTRETIENT INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC LECTRIQUE, OU BLESSURES AUX PERSONNES Veuillez Lire le Manuel Il contient des informations qui devraient tres comprises avant lopration de votre appareil. Conservez S.V.P. ces instructions pour consultati

11、ons ultrieures. Emballage Conservez la boite au cas ou lappareil devait tre retourner pour rparation. Attention: Lors de lutilisation de produits lectrique, assurez- vous dadhrer des prcautions de bases incluant celle qui suivent: Alimentation Lappareil ne doit tre branch qu une source dalimentation

12、 correspondant au voltage spcifi dans le manuel ou tel quindiqu sur lappareil. Cet appareil est quip dune prise dalimentation polarise. Ne pas utiliser cet appareil avec un cordon de raccordement moins quil soit possible dinsrer compltement les trois lames. Des prcautions doivent tres prises afin de

13、viter que le systme de mise la terre de lappareil ne soit dsengag. Risque Ne pas placer cet appareil sur un chariot, un support, un trpied ou une table instables. Lappareil pourrait tomber et blesser quelquun ou subir des dommages importants. Utiliser seulement un chariot, un support, un trpied ou u

14、ne table recommands par le fabricant ou vendus avec le produit. Suivre les instructions du fabricant pour installer lappareil et utiliser les accessoires recommands par le fabricant. Il convient de ne pas placer sur lappareil de sources de flammes nues, telles que des bougies allumes. Lappeil ne doi

15、t pas tre expos des gouttements deau ou des claboussures et quaucun objet rempli de liquide tel que des vases ne doit tre plac sur lappareil. Assurez que lappareil est fourni de la propre ventilation. Les dispositifs marqus dune symbole “dclair” sont des parties dangereuses au toucher et que les cbl

16、ages extrieurs connects ces dispositifs de connection extrieure doivent tre effectivs par un oprateur form ou en utilisant des cordons dj prpars. Cordon dAlimentation vitez dendommager le cordon dalimentation. NUTILISEZ PAS LAPPAREIL si le cordon dalimentation est endommag. Service Consultez un tech

17、nicien qualifi pour lentretien de votre appareil. RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:24-Dec-2003Sheet of File:D:LYMYORKVILLE20031219-200FA.ddbDrawn By: R10 1.2K R5 1.2K R2 330 R1 330 2 3 1 4 S3 OUT 2 3 1 5 6 4 S2 LINE IN 2 3 1 4 S1 MIC IN C2 22P D2 15V

18、 D4 15V D1 15V D3 15V R4 330 R3 330 D6 15V D8 15V D5 15V D7 15V C3 22P 1 2 3 4 5 6 7 8 9 CN1 R6 10R/0.5W R11 10K C1 0.01U/400V 12 3 SW1 1 2 S4 1 2 3 4 CN2 TR1 BC550C C4 0.1U/400V -15VG R K DL1 SINGL/COMP TR2 BC559C R12 10KR7 1K R13 10K R8 2.7K DL2 POWER R9 2.7K -15V 1U/50V C5 P-200FAPRE RadioFans.CN

19、 收音机爱 好者资料库 1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:24-Dec-2003Sheet of File:D:LYMYORKVILLE20031219-200FA.ddbDrawn By: 1 2 3 4 5 6 7 8 9 CN2 12 13 14 IC2D TL074CN C6 22P R26 15K R25 330 R27 2.2K VR5 C10K R28 1K C21 22P 10 9 8 IC2C TL074CN R22 15K R2315K R21 4.7K C20 22P R29 15K R2

20、4 15K C11 22P 3 2 1 IC1A TL072CN R18 10K C16 22P C17 10U/50V NP R17 4.7K R16 4.7K R13 4.7K C10 0.33U/63V 5 6 7 IC2B TL074CN R20 4.7K C19 22P R19 1.5K C1 10U/50V NP VR1 B5K R14 22K R15 22K R4 4.7K C2 22P 12 34 DL1 VTL5C4 TR1 BC559C R1 330 C3 10U/50V NP R10 4.7K R7 2.7K R5 10K VR4 B10K VR3 B10K VR2 B1

21、0K R11 4.7K R9 2.7K R6 10K C5 0.0068U/100V C4 0.047U/63V C7 0.0056U/63V C9 0.018U/63V R8 10K R12 12K C8 22P R30 10K R2 330 1 2 3 4 5 6 7 8 9 10 11 12 CN1 +15V -15V C13 10U/50V C12 10U/50V C14 0.1U/50V C15 0.1U/50V C18 0.1U/50V C22 0.1U/50V 411 IC2E TL074CN 84 IC1C TL072CN +15V -15V VOL P-200FATONE M

22、ID HIGH LOW MIC GAIN 5 6 7 IC1B TL072CN 3 2 1 IC2A TL074CN R3 1.5K Yorkville Revisions Date 4 ohm speaker used REV Jan 20/041.0 Feb 20/041.1 Feb 23/041.2 Production Notes 1243 A B C D 4321 D C B A el t iT noi s i veRr ebmuNez i S 4A f o t eehS3002- ceD-42: et aD bdd .AF002-91213002ELLIVKROYMYL :D: e

23、l i F: yB nwarD 1 2 3 4 5 6 7 8 2NC 5 6 7 B2CI NC470LT 8C V36/U74 . 0 9C V36/U74 . 0 01R K81 9R K7 . 4 3C V36/U74 . 0 7C V36/U74 . 0 5R K7 . 4 7R K81 01 9 8 C2CI NC470LT 1RT C955CB 4D 8414N1 83R K01 72R 0333 2 1 A5CI NC270LT 3RT C955CB 2RT C955CB 93R K003 03C P01 03R K01 02C PN V05/U01 5 6 7 B5CI NC

24、270LT 82R K01 92R K01 02R K01 52R K01 12R K81 V51- V51+ 34R K72 43R 072 14R K01 3 2 1 A4CI NC470LT 23C %3 V001/U1 . 0 43C %3 V001/U1 . 0 24R K01 04R K01 23R 081 73R K01 21 31 41 D4CI NC470LT 13C %3 V001/U7400 . 0 33C %3 V001/U740 . 0 44R K86 13R K51 22R K51 01 9 8 C4CI NC470LT 52C %3 V001/U2200 . 0

25、12C %3 V001/U7400 . 0 32R K51 54R K01 5 6 7 B4CI NC470LT 33RK 01 42R K81 62C P22 3 2 1 A1CI NC270LT 3 2 1 A3CI NC270LT 5 6 7 B3CI NC270LT 5 6 7 B1CI NC270LT 4R K01 71R K74 6C P22 91C P22 3R K01 41R K01 81R K051 2R K22 R12.7K 61R K7 . 2 51R K7 . 4 91R 01 71C %3 V001/U740 . 0 51C %3 V001/U10 . 0 2D 84

26、14N1 3D 8414N1 5D 8414N1 1D 8414N1 1C V05/U01 V51+ V51- 3 2 1 A2CI NC470LT 21 31 41 D2CI NC470LT 6R K22 8R K6 . 5 11R K7 . 2 11C %3 V001/U8600 . 0 21C %3 V001/U8600 . 0 31C %3 V001/U510 . 0 21R K81 1 2 3 4 5 6 7 8 9 01 11 21 1NC V51- V51+ 84 C5CI NC270LT 84 C3CI NC270LT 84 C1CI NC270LT 411 E2CI NC47

27、0LT 411 E4CI NC470LT 4C V05/U1 . 0 22C V05/U1 . 0 2C V05/U1 . 0 61C V05/U1 . 0 42C V05/U1 . 0 5C V05/U1 . 0 72C V05/U1 . 0 01C V05/U1 . 0 81C V05/U1 . 0 32C V05/U1 . 0 V51+ V51- CRF002PS-P 62R K01 V51+ 31R K6 . 5 41C %3 V001/U510 . 0 V51+ V51- 92C V05/U1 . 0 82C TROHS 63R UN V51- 53R UN 4N74N7 22K22

28、K 47N47N 47N47N (jumper)(jumper) 5k15k1 4k74k7 360R360R xxxxxxxxxxxxx xxxxxxxxxxxxx xxxxxxxxxxxxx xxxxxx xxxxxx xxxxxx xxxxxx 1234 A B C D E F G H 4321 H G F E D C B A Title NumberRevisionSize D Date:24-Dec-2003Sheet of File:D:LYMYORKVILLE20031219-200FA.ddbDrawn By: 1 2 3 4 5 CN2 D31 BP25-06PWS D30

29、KBU-806 C57 0.01U/400V C60 0.01U/400V D33 1N4002 D32 1N4002 C52 4700U/80V C53 4700U/80V C46 4700/50V C47 4700U/50V C5 10U/50V C29 10U/50V Vin 2 GND 1 Vout 3 IC4 LM337SP Vin 3 GND 1 Vout 2 IC3 LM317T R6 2.7K R20 2.7K R5 220 R21 220 C10 10U/50V C30 10U/50V C11 10U/50V C23 10U/50V C6 0.1U/50V C28 0.1U/

30、50V C12 0.1U/50V C22 0.1U/50V 74 IC2C TL071CN 84 IC5C TL072CN C25 0.1U/50V C34 0.1U/50V C3 0.1U/50V C1 0.1U/50V R72 390 R66 1K R39 68K R36 4.7K R35 12K R23470 R41 820 R40 68/0.25W R59 12K/0.25W R58 8.2K/0.25W R62 8.2K/0.25W R63 47/0.25W R69 47K/0.25W R71 2.2K/0.25W R70 1K R42 12K R44 470 R46 12K R38

31、 820 R431.5K R60 8.2K/0.25W R61 47/0.25W R56 8.2K/0.25W R57 12K/0.25W R27 68/0.25W R37 820 R28 68K R25 12K R24 4.7K R73 390 R51 470 R65 2.2K/0.25W R64 47K/0.25W C36 220P C50 470P C49 470P C51 0.0047U/100V C37 100P C39 0.001U C54 0.0047U/100V C35 100P TR6 MJE350 TR3 MJE350 TR2 MJE340 TR10 MJE340 TR1

32、2N5401 TR4 2N5551 D25 1N4002 TR5 MJE802P R67 8.2K/2W D27 7.5V/1W D26 7.5V/1W C45 220U/25V D22 1N4002 D20 1N4002 D19 1N4002 D21 1N4002 VR1 500 C33 10/50V TR14 MJE340 TR16 MJE15031 TR18 TIP36C TR9 MJE15030 TR12 2SC5200 R52 10/0.25W R45 4.7/0.5W D15 1N4002 D28 1N4002 D23 6A2 C320.1U/50V TR15 MJE350 TR1

33、1 MJE15031 TR17 MJE15030 TR13 2SA1943-O TR19 TIP35C D29 1N4002 D24 6A2 C44 0.0047U/400V R68 8.2K/2W C48 220U/25V R53 0.2/5W R54 0.2/5W C38 220P D7 1N4148 D4 1N4148 R55 10/0.25W R50 4.7/0.5W C43 0.0047U/400V +VCC1 -VCC1 +VCC2 -VCC2 +VCC2 -VCC2 +VCC1 -VCC2 R75 47K R74 4.7K R78 10K R84 47K D12 1N4002 T

34、R24 BC550 TR20 BC550 TR25 BC550 TR22 BC560 TR23 BC560 TR8 BC327-25 TR21 BC560 C58 1000U/6.3V C59 220U/25V R77 330 R49 10K R76 33K R80 10K R83 10K R81 10K R47 150/0.25W R79 10K R82 150K C61 1U/50V C42 0.1U/50V LOW OUT D8 1N4148 TR7 BC560 R48 10K -15V -15V +15V RL1A 24V/16A RL1C 24V/16A 1 2 3 4 5 6 7

35、8 9 10 11 12 CN1 5 6 7 IC5B TL072CN 3 2 1 IC5A TL072CN D6 1N4148 D5 1N4148 R22 1K R32 10K R34 10K R33 1K R26 2.7K R29 100K C3133P R31 1K R30 1K R18 47K C24 0.0047U/100V C14 10U/50V NP C15 10U/50V NPC26 22P +15V -15V t R17 PTC/330 -15V +15V D11 1N4002 C41 47U/100V D14 1N4002 D17 1N4002 D15 1N4002 D16

36、 1N4002 D10 6A2 D13 6A2 C55 0.1U/250V C56 0.1U/250V D9 1N4002 C40 47U/100V LOW OUT OUT 3 2 6 IC2A TL071CN D2 1N4148 D3 1N4148 R2 10K R1 10K R3 33K R7 33K R10 15K C2 22P MUTE ST-BY 1 2 3 4 5 6 78 9 10 11 12 13 14 15 IC1 TDA7294 R4 1K R11 22K R8 680 R12 1K R16 22K R9 10K C13 1U/50V NP R15 33K R14 10K

37、D1 1N4148 C4 82P C18 10U/50VR13 22K C8 22U/50V R19 10/0.5W C17 0.1U/100V C27 100U/50V C19 1U/25V C20 1U/25V C21 100U/50V HI OUT C7 22U/50V C9 10U/50V +VCC1 -VCC1 +15V -15V P-SP200AMP 220R 1N PRODUCTION NOTES 1. Tack on #4977 220R and #5422 1N 50V bead cap to J1, J3 jumpers of IC1 TDA7294 J1J3 220R1N pin 2 of TDA7294 pin 3 of TDA7294 2. Heatshrink the 220R and 1N together and RTV into place