NAD-S250-pwr-sm 维修电路原理图.pdf

SERVICE MANUALS250S250FIVE CHANNELPOWER AMPLIFIERFIVE CHANNELPOWER AMPLIFIERRadioFans.CN 收音机爱 好者资料库CONTENTSFRONT PANEL / REAR PANEL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4ALIGNMENT PROCEDURE / ALIGNMENT POINTS . . . . . . . . . . . . . . . . . . . . . . . . 5WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-14EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15EXPLODED VIEW PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16PACKING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17SERVICE SAFETY PRECAUTIONS1. Replacing the FusesCAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF FUSE.REFERENCE NO.PART NUMBERDESCRIPTIONPSU BoardF1*AH 5120-0506-012.5A 250V Time Lag 6.3x32mm URF1*C 5120-0025-06.3A 250V HBC Time Lag 5x20mm SEMKO/VDEAmp BoardF1-F2*AH 5120-0040-06.3A 250V Time Lag 5x20mm ULF1-F2*C 5120-0025-0 6.3A 250V HBC Time Lag 5x20mm SEMKO/VDENOTE:*AH : North American version only*C : European version only2. Safety-check out (North American model only)Before returning the product to the customer, make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from the supply circuit.Parts marked with the symbol are critical with regard to the risk of fire and electric shock. Replace only with parts recommended by the manufacturer.!RadioFans.CN 收音机爱 好者资料库1. LEVEL CONTROL5. 12V TRIGGER INPUT2. INPUT JACK6. SPEAKER TERMINALS3. SOFT CLIPPING SWITCH7. AC INLET4. AUTO TRIGGER SWITCHFive Channel Power Amplifier S2503412NADSOFT CLIPPINGPROTECTION1. POWER SWITCH3. PROTECTION INDICATOR2. POWER INDICATOR4. SOFT CLIPPING INDICATORFRONT PANEL / REAR PANEL VIEWFRONT PANEL CONTROLSThe graphic symbol of a lightning flash with an arrow point within a triangle signifies that there is dangerous voltage within the unit and it posses a hazard to anyone removing the cover to gain access to the interior of the unit. Only qualified service personnel should make such attempt.The graphic symbol of an exclamation point within an equilateral triangle warns a user of the device that it is necessary to refer to the instruction manual and its warnings for proper operation of the unit.REAR PANEL CONNECTIONSAC MAINS INPUT 120VTRIGGER IN+12VAUTO TRIGGER21345671RETURN TO CONTENTSSPECIFICATIONSSpecifications are measured in accordance with IHF standard IHF-A-202, 1978.NOMINALLIMIT1. THD #0.02%#0.03%2. Continuous Power Output 8 ohms$125W$100W 20kHz, 5 ch. for 8 ohms, 4 ch. for 4 ohms)4 ohms$125W$100W3. Clipping Power $135W$110W4. S/N Ratio A-wtd$96dB$93dB maximum)Audio BPF$89dB$86dB5. Frequency Response 0 -0.1dB0 -0.25dB6. Input Sensitivity 100 2 mV100 3 mV maximum)7. Channel Separation 1kHz$77dB$70dB20kHz$67dB$50dB8. Soft Clipping Output Reduction 0.4 0.6 dB0.3 1.0 dB THD 5 6.5%4 10%RETURN TO CONTENTSR44R40R41TP1TP2RELAYR27J1R45IDLE CURRENT ALIGNMENT FOR EVERY POWER AMPLIFIER MODULE1. Remove the load and the input signal.2. Connect a digital voltmeter between TP1 and TP2.3. Switch the amplifier on and, after one minute, adjust R27 to obtain a reading of5mV 0.5mV.4. Leave power on for 3 minutes to allow the idle currents to stabilize. Re-adjust R27 as necessary to obtain a reading of 4.4mV 0.5mV.ALIGNMENT PROCEDUREADJUSTMENT POINTSRETURN TO CONTENTSWIRING DIAGRAMJ2J3 +J4 -+J11CHANNEL 5AMP BOARD1J2J3 +J4 -+J11CHANNEL 4AMP BOARD1J2J3 +J4 -+J11CHANNEL 3AMP BOARD1J2J3 +J4 -+J11CHANNEL 2AMP BOARD1J2J3 +J4 -+J11CHANNEL 1AMP BOARD1PSNPSLS1S2S3S4S5S6M1M2M3M4M5M6SS1SS2111111J18J17J19J5J4J3J2J1REDBLKBLUBRNWHTYELGRN-YEL (230V ONLY)GRYORNVIOGRYORNVIOREDBLKBLUBRNWHTYELYELYELBRN (230V)BRN (230V)BRNBLUBLU (230V)BLU (230V)REDWHTBLKREDREDWHTBLKREDREDWHTBLKREDREDWHTBLKREDREDWHTBLKREDS1S2S3S4S5S6M1M2M3M4M5M6REDBLKBLUBRNWHT120V230V120V230VBRNBLKWHTREDBLUBLKWHTREDBLUBRNBLKWHTREDBRNBLUMAINTRANSFORMERSTANDBYTRANSFORMERBLKREDBLKREDBLKREDBLKREDBLKREDLENAC INLETEMI FILTERPOWER SWITCHSTANDBYTRANSFORMERMAINTRANSFORMERPSU BOARDTRIGGERSWITCHBOARDPWRLEDBDPROT/SCLED BDJ26J27J28J22J24J25BLU (120V)BRN (120V)CHASSISRETURN TO CONTENTSPSU BOARD - COMPONENT SIDEPSU BOARD - SOLDER SIDEEnter 200 to ZOOMRETURN TO CONTENTSPCB LAYOUTAMP BOARD - COMPONENT SIDEAMP BOARD - SOLDER SIDERETURN TO CONTENTSF1T6.3A 250V SEMKO/VDESW1R10233C20.1uC30.1uC833000uF/80VC147nF 250VC40.1uC60.1uR1016R8 1WR1061KR1031KC50.01uC70.01u12435M101LINE FILTER FOR 230V VERSION ONLY12AC1AC INLETPOWER SWITCHT1MAIN POWER TRANSFORMERD1DIO-BRIDGE1J1J2J3J4J5J6J7J8J9J10123U102AHEF4011456U102BHEF401178910U102CHEF401111121314U102DHEF4011J2DC INR1071KSW2AUTO POWER SWR10810KR104560T102STANDBY TRANSPORWERR1051RC102470u/25V321U10378L05C1030.1u+5VC1210u/100VC1110u/100VR12750RR11750RR83K9 2WD1055V6D11IN4745AD10IN4745AD12IN4745AD13IN4745AR103K9 2WR6300R FPR1300R FPR9390R524163SW3SOFT CLIPPINGR710K 2WLED1POWERLED2LED CLIPLED3PROTECTQ1022SC1815R11210KC933000uF/80VR21R FPR31R FPR410K 2WR510K 2WC104.7uV+V-V+V-V+123456U101TLP3063LineFilterNEUTRALLIVEFUSET12.5A 250V UL/CSACH1-5V+VCTLV-VCTLGND100VINOUTGNDNPNP1/2W1/2WONOFFR111560R+5VMAIN TRANSFORMER120V230VM1M2M3M4M5M6BRNBRNBLKBLKWHTWHTBLUREDREDBLUSTANDBY TRANSFORMER120V230VS1S2S3S4S5S6BLKBLKWHTWHTREDREDBLUBRNBRNBLUD202IN4148D103IN4148D104IN4148D3IN4004D2IN4004PROTECTLEDPOWER LED PCBCILP PROTECT PCB+VCTL-VCTLCLIP SWITCH PCBQ101TRIAC 20AKAAAKKDGNDDGND+5VPOWER SUPPLYRETURN TO CONTENTSJ1-1J1-2J1-3J1-4J1-5J1-6J1-7J1-8J1-9J1-10F1T6.3A 250VF2T6.3A 250VC240.1C250.1R631R Q26MPSA06Q252N6488R657K5C33100u/16VD19IN4744D20IN4744C34100u/16VR667K5Q27MPSA56Q282N6491R641RR672K2R682K2C35470u/16VC36470u/16V167+-U2ALM339245+-U2BLM339111013+-U2CLM3391489+-U2DLM339123U2ELM33948U1CNE5532C370.1uC380.1uC280.1uC270.1uR571MR58200KD17IN4004C1322u/25V20%D16IN4148R5420KQ12N4403R561MR6120KR55200KR6220KR832K21 1%R7251KILIMITR69100KR70200KD15IN4148C1822u/25VD18IN4148+12V+12V-12V+12VAMPOUTR7651KC2022u/25VD22IN4148D21IN4148R7320KR75510KR7420K+12VR80825RR791KR8115K 1%R782K21 1%R7711K5 1%R85100R+12VPROTECT1WFP20%2%1WFPV+V-20%20%50V50V50V50V1%NTC1/2W FP20%20%C26R60D14D234444PROTECT LEDCOMV-V+44INSERT BUSS WIRE JUMPER 401-20003-00 FORR22. R50 SIGNIFIES SAFETY CRITICAL COMPONENTSREFER TO THE SAFETY INFORMATION SECTION OF THESERVICE MANUAL FOR COMPLETE INFORMATION.COMPONENTS NOT INSTALLED:C10. C12. C14. C15. C21. C26.D1. D2. D13. D14. D23. D24R8. R20. R49. R52. R53. R60. R67. R68 AND R84.ABBREVIATION: FLAME PROOF = FP.ALL FP DESIGNATED PARTS ARE SAFTEYCRITICAL REFER TO NOTE 5.ALL CAPACTORS ARE IN MICROFARADS.10%. 100V. ( DEFAULT VOLTAGE )ALL RESISTORS ARE IN OHWS 1/4W 5%75.43.2.1.RYDRVAGNDGNDGNDAGND+VCTL-VCTLGND+12V-12VAGNDAGNDSCHEMATIC DIAGRAMPOWER AMP 1RETURN TO CONTENTSPROTECTD90IN4148R53330RLED1GREENREDR90560RR502K2R844K7RYDRYC31u/50V132+-U1ANE5532R42M2R51K 1%AMPOUTR11K 1%J2C1120pFR7150KC20.1u/50VR32M2Q202SC2362KQ212SA1016KC810C610R86300R6300100V100VFPFP-VCTL+VCTLQ22SC2362KQ32SC2362KR71K5C4470pFR11182R12182Q52SA1016KQ62SA1016KR171K5R18100C5470pFR15182R16182R137K15R147K15Q42SA1360R10300R23100KC768pFD3IN4148D4IN4148R253K9Q72SC3423R19300R24100KC968pFR261KC300.1u /50V Q82SC3423R271KD1D2R22JPRFDBKR9100R-12V+12V1%1%1%1%1%1%FP1%CWR2933Q92N4403R2820KC1122u/25V20%R32100 FPD5IN3070D6IN3070R87680Q122SC3423R59100Q10MPSA06Q11MPSA56R33100R88680D7IN3070C220.01R82100C230.01R20R8R313K3D9IN3070Q132SA1360D8IN3070R303K3C14C15Q142SC4793R3810 FPR4210 FPR341KR36100 FPQ162SD1975R35100Q152SA1837R37100 FPR4310 FPR3910 FPQ172SB1317123+-RBJ3W3C21R4857K6FDBK465321RL1D12IN4004C170.1/250VR472R7R4657K6C1627pFQ182SD1975R400.22RR410.22RR440.22RR450.22Q192SB1317C390.01D10IN4004D11IN4004ILIMITAMPOUTV-V+W1FP1000VFP5%1/2WFP1/2WFP1/2W20%2WRYDRVTESTLOCATION 115W5W5W5W1000V1%1%444474444TESTLOCATION 1241000V1000V1000V1000V7-56+U1B553220%CHGNDGNDCWB1-COLOURAGNDCHGNDCHGNDR51JumperD24JumperGNDFPGNDC104.7uF/100VGND-12VAGNDPOWER AMP 2RETURN TO CONTENTSLocationPart NumberDescriptionPOWER AMP PCBPCB ASSEMBLY1000*AHPCB-N0920C-AMPPCB ASSY POWER AMP1000*CPCB-N0921C-AMPPCB ASSY POWER AMPCAPACITORSC39150N-103M-5-SSCC 1KV 0.01u 20% RLC1150N-121K-5-IICC 1KV 120P 10% RL 5X5C16150N-270K-5-IICC 1KV 27P 10% RL 5X5C4,C5150N-471K-5-IICC 1KV 470P 10% RL 5X5C7,C9150N-680K-5-IICC 1KV 68P 10% RL 5X5C3153F-105J-5-NUNCM 50V 1u 5% RL 7.5X11C22,C23153H-103J-5-MMNCM 100V 0.01u 5% RL 7X7C24,C25153H-104J-5-TXNCM 100V 0.1u 5% RL 10.5XC2,C27,C28,C30,153I-104J-5-NMNCM 63V 0.1UF RL (7.5X7)C37,C38C17153R-104J-5-YRMCM 250V 0.1u 5% RLC35,C36157D-477M-5-OVKCE 16V 470UF 20% RLC33,C34157E-107M-5-KUKCE 25V 100UF 20% RLC11,C13,C18,C20157F-226M-5-IUKCE 50V 22uF 20% RL 5X11C6,C8157H-106M-5-OVHCE 100V 10u 20% RLICU13130-2430-0IC NE5532 OP AMP PHILIPSU23131-3990-0IC LM339N QUAD OP-AMPLEDD13700-4807-RGLED RED/GREEN 5.0RELAYRL14500-0940-0RELAY 24VDC 30ARESISTORR63,R644715-010J-2-PRMF 1/4W 1R 5% AT FPR38,R39,R42,R434715-100J-2-PRMF 1/4W 10R 5% AT FPR32,R33,R36,R374715-101J-2-PRMF 1/4W 100R 5% AT FPR344715-102J-2-PRMF 1/4W 1K 5% AT FPR774715-1152-2RMF 1/4W 11.5K 1% ATR7,R174715-152J-2-PRMF 1/4W 1.5K 5% AT FPR11,R12,R15,R164715-1820-2RMF 1/4W 182R 1% ATR28,R54,R61,R62,4715-203A-2RMF 1/4W 20K 1% ATR73,R74R78,R834715-2211-2RMF 1/4W 2.21K 1% ATLocationPart NumberDescriptionR504715-222A-2RMF 1/4W 2.2K 1% ATR3,R44715-225A-2RMF 1/4W 2.2M 1% ATR6,R10,R19,R864715-301J-2-PRMF 1/4W 300R 5% AT FPR294715-330A-2RMF 1/4W 33R 1% ATR534715-331A-2RMF 1/4W 330R 1% ATR254715-392A-2RMF 1/4W 3.9K 1% ATR844715-472A-2RMF 1/4W 4.7K 1% ATR72,R764715-513A-2RMF 1/4W 51K 1% ATR754715-514A-2RMF 1/4W 510K 1% ATR904715-561A-2RMF 1/4W 560R 1% ATR46,R484715-5762-2RMF 1/4W 57.6K 1% ATR87,R884715-681A-2RMF 1/4W 680R 1% ATR13,R144715-7151-2RMF 1/4W 7.15K 1% ATR804715-8250-2RMF 1/4W 825R 1% ATR814715-9531-2RMF 1/4W 9.53K 1% ATR35,R854717-101J-2-PRMF 1/2W 100R 5% AT FPR30,R314717-332A-2RMF 1/2W 3.3K 1% ATR65,R664718-752J-2-XRMF 1W 7.5K 5% AT METALR474719-2R7J-2-XRMF 2W 2.7R 5% AT METALR9,R18,R59,R82471G-101A-2-ERMF 0.6W 100R 1% ATR1,R5,R21,R26471G-102A-2-ERMF 0.6W 1K 1% ATR23,R24,R69471G-104A-2-ERMF 0.6W 100K 1% ATR56,R57471G-105A-2-ERMF 0.6W 1M 1% ATR55,R58,R70471G-204A-2-ERMF 0.6W 200K 1% ATR40,R41,R44,R45474B-R22J-1-ERWR 5W 0.22R 5% AL AL05DIODESD5-D94803-0700-2DIODE BAV21 ATD10-D12,D174804-0040-1DIODE IN4004 ALD3,D4,D15,D16,4804-1480-2DIODE 1N4148 ATD18,D21,D22,D90D19,D204838-15V6-2DZ 1W 15V AT TEMICTRANSISTORQ1,Q94854-4030-5TR 2N4403 PNP HFE100-300Q7,Q8,Q124860-0790-5TR 2SC3423 (Y) RLQ16,Q184860-0880-5TR 2SD1975 S.P RLQ17,Q194860-0890-5TR 2SB1317 S.P RLQ154860-1050-5TR 2SA1837 100-320 RLQ144860-1060-5TR 2SC4793 100-320 RLQ254860-5300-5TR 2N6488 T022B RLQ284860-5310-5TR 2N6491 T022B RLQ4,Q134860-5320-5TR 2SA1360 (Y) RLQ5,Q6,Q214860-5330-5TR 2SA1016K (G) HFEQ2,Q3,Q204860-5340-5TR 2SC2362K (G) HFEELECTRICAL PARTS LISTRETURN TO CONTENTSLocationPart NumberDescriptionQ10,Q264860-8890-0TR MPSA06 VCE 80V NSQ11,Q274860-8910-0TR MPSA56 VCE 80V NSVRVR714750-9606-1VR RK09K111 50KA LM=25mmSVR274755-1026-3-14SVR 1K EVM-31G 6mm DUSTFUSEF1,F2*AH5120-0040-0FU T6.3A 250V 5X20 ULF1,F2*C5120-0025-0FU T6.3A HBC 5X20MISCELLANEOUSJ12101-2181-0CENTER HEADER 3.96MMFH1,FH24132-1011-0FUSE HOLDERTP2,TP14132-1071-0TERMINAL PIN10074134-9241-0GROUND TERMINALR798910-0491-0NTC THERMISTOR 1K (B)POWER SUPPLY PCBPCB ASSEMBLY1100*AHPCB-N0920C-PSUPCB ASSY POWER SUPPLY1100*CPCB-N0921C-PSUPCB ASSY POWER SUPPLYCAPACITORSC103150F-104K-5-IICC 50V 0.1uF 10% RL 5x5C4-C7150N-103M-5-SSCC 1KV 0.01u 20% RLC2,C3153R-104J-5-YRMCM 250V 0.1u 5% RLC102157E-477M-5-SXKCE 25V 470UF 20% RLC11,C12157H-106M-5-OVHCE 100V 10u 20% RLC10157H-475M-5-IUCCE 100V 4.7UF 20% RLC18910-0049-0CAP400V 4700PC8,C98910-0490-0CE 80V 33000uF 20%DIODESD1024804-0010-2DIODE 1N4001 ATD2,D34804-0040-1DIODE IN4004 ALD103,D1044804-1480-2DIODE 1N4148 ATD1054837-5B61-2DZ 1/2W 5.45-5.73 ROHMD10-D134838-16V6-2DZ 1W 16V AT TEMICD14840-7100-0BRIDGE RECTIFIER MP2540WTRANSFORMERT1021806-3520-0TRANS EI35 115/230V DCLocationPart NumberDescriptionTERMINAL01032113-1144-0AC INLETJ17-J19,M1-M6,PSL,2101-1231-0SPADE TERMINAL 6.3X0.8PSN,S1-S6,SS1,SS2,J1-J52101-2171-0PCB CONN.(CENTER 3.96MMJ282102-021S-0042P ST.WAFERJ272102-031S-0043 PIN ST. WAFERJ262102-081S-004WAFER 8P P2.5 ST.ICU1033130-0640-0IC NJM78L05A 826U1013131-6720-0IC TLP3063 PHOTO TRIACU1023131-6730-0IC HFE 4011BP QUADRUPLERESISTORR1054715-010A-2RMF 1/4W 1R 1% ATR2,R34715-100J-2-PRMF 1/4W 10R 5% AT FPR103,R106,R1074715-102A-2RMF 1/4W 1K 1% ATR108,R1124715-103A-2RMF 1/4W 10K 1% ATR1,R64715-301J-2-PRMF 1/4W 300R 5% AT FPR1024715-330A-2RMF 1/4W 33R 1% ATR94715-391A-2RMF 1/4W 390R 1% ATR104,R1114715-561A-2RMF 1/4W 560R 1% ATR1014718-6R8J-1-XRMF 1W 6.8R 5% AL METALR4,R5,R74719-103J-1-XRMF 2W 10K 5% AL METALR8,R104719-392J-1-XRMF 2W 3.9K 5% AL METALR11,R12471G-751A-2-ERMF 0.6W 750R 1% ATTRANSISTOR/TRIACQ1024860-0700-5TR 2SC1815 (G.R) RLQ1014860-5350-5TR BTA26A-600B RLFUSEF1*C5120-0025-0FU T6.3A HBC 5X20F1*AH5120-0506-0FUSE T12.5A 250V URHEATSINKS11015400-9071-0HEAT SINK11025400-9081-0HEATSINK FOR BRIDGEMISCELLANEOUS01165200-3441-0POWER SWITCH DPST11081660-0700-0INSULATING BOOT (ID=14)FL1*C1806-3519-0EMI FILTER 20DBAG511093100-5491-0INSULATION SHEET 112X27FH1*AH4131-9131-0FUSE HOLDER 6.5MM PITCHRETURN TO CONTENTSLocationPart NumberDescriptionFH1*C4132-1011-0FUSE HOLDERGND14132-6221-0BRACKET, GROUNDINGTRIGGER SW PCBPCB ASSEMBLY1200PCB-N0920C-SWPCB ASSY TRIGGER SWITCHWAFERS/JACKSJ22101-2191-0DC JACK 3.5J222102-081R-0048 PIN RIGHT ANGLE WAFERRESISTORJ2C4715-472A-2RMF 1/4W 4.7K 1% ATSWITCHSW02,SW035200-3251-0-01SLIDE SW DPDT VERT 4MMPROTECT LED PCBPCB ASSEMBLY1300PCB-N0920C-LEDPCB ASSY PROTECT LEDWAFERJ242102-031R-004WAFER 3P P2.5 RIGHTLEDLED33700-3538-BLED 3MM FLAT TOP BLUELED23700-3607-RLED RED 3MM DIAPOWER LED PCBPCB ASSEMBLY1400PCB-N0920C-PSWPCB ASSY POWER LED WAFERSJ252102-021R-004WAFER 2P P2.5 RIGHTLEDLED13700-3538-BLED 3MM FLAT TOP BLUEParts marked with the symbol are critical with regard to the risk of fire and electric shock. Replace only with parts recommended by RETURN TO CONTENTSEXPLODED VIEWNADSOFTCLIPPINGPROTECTIONFive Channel Power Amplifier S25021345678910121314151617181920212223242726252830291130RETURN TO CONTENTSEXPLODED VIEW PARTS LISTLocationPart NumberDescriptionQuantity1S100-2011-3POWER BUTTON12S250-2002-1FRONT PANEL13S250-2003-3SUBFASCIA14S250-2014-3LEFT SIDE PANEL15S250-2024-3RIGHT SIDE PANEL16*AHS250-2006-2REAR PANEL 120V16*CS250-2006-2REAR PANEL 230V17S250-2057-1REAR PANEL BAR B18S250-2047-1REAR PANEL BAR A19S250-2027-4HEATSINK B110S250-2017-4HEATSINK A411S250-2037-2HEATSINK BAR112S250-2005-2TOP C