Primare-A31_2-pwr-sm 维修电路原理图.pdf

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1、 PRIMARE A31.2 Power Amplifier Service Manual Downloaded from www.M manuals search engine RadioFans.CN 收音机爱 好者资料库 1. Schematics and Pcb. 2. Technical Specifications. Confidential ! This document is not allowed to show for third part without written permission from Primare Systems AB. This document i

2、s subject to change without notice. Author: Bjorn Holmqvist Primare AB Downloaded from www.M manuals search engine RadioFans.CN 收音机爱 好者资料库12345678ABCD87654321DCBATitleNumberRevisionSizeA2Date:27-Feb-2007Sheet of File:C:WORK.EM1121A5.SCHDrawn By:- CONFIDENTIAL -CWR1100KR2100KR42K2R6330RR1010KR7330RR1

3、11KR8330RR12330kR13330kR145K6R9330RC1100NC2100NC3100NR154.7R 2WZ130VQ1BD677AD1PMLL4148R16680RPINPINP1PINR17100RQ2BC546BQ3BC846Q4BC846Q7BC856123Q92SK117GRQ102SC4793R19430RR2033kR3100KQ112SC4793C4470PQ122SA1837Q132SA1837R2168RR22280RR18270RR23100R TrimNO11N028C12C27NC13NC26COIL4COIL5K1Relay power 8A/2

4、4VC51UC61UQ142SA1943Q162SC5200C7470PPINP2PINR241K4Q52SC2705Q82SA1145R52K2Z230V+48VR-48VRL125X7.8-1.1MMR251.8RR261.8RR272.2RR282.2R12J2HEADER 2R290.22RR300.22RR33150KD31N4148C8470NR341MR351MR36120KR371MD41N4148Q6BC846D62V7R3856K+18VR-18VR+18VRR391K2 3WQ152SA1943Q172SC5200R310.22RR320.22RC10C11123456J

5、P3HEADER 6C14220U/80VC15220U/80VVin3ADJ1Vout2REG1LM317TVin3ADJ1Vout2REG2LM337TR4015KR4115KR42402RR43402RD7BDY17DD8BDY17DD9BDY17DD10BDY17DC1610U/50VC1710U/50VC1822U/50VC1922U/50V+48VR-48VR+56VR+56VR-56VRC20C21C22C23S3200MAS4200MAD51N4148STANDBYC24ncC25ncC26ncC27nc12JP2HEADER 2D11D12D13D14D2PMLL4148R4

6、46K8C9470N32674U2OPA134UA332211J1XLR NC3FAHR471KR484.3KR494.3KR5011KR522.7KR5111KR532.7KR54100R+15VR-15VR123S7ASW DPDT456S7BSW DPDTD15D16D17D18C12C13Vin1Vout2Vout3Adj4n.c.5Vout6Vout7n.c.8REG3LM317LMVout1Vin2Vin3Adj4n.c.5Vin6Vin7n.c.8REG4LM337LMR552k4R57220RR562k4R58220R+15VR-15VRC2822U/50VC2922U/50V

7、C3010U/50V C3110U/50VR5915KR60 15KR6115KR6215KC32100NC33100ND19D20D21D22R634R7R644R7R65100KR66100KR67100KC34220U/80VC35220U/80V32674U1741C32674U3741C+18VR-18VRC36100NC381UC391UNETEM1121B5.SCHCWR101100KR102100KR1042K2R106330RR11010KR107330RR1111KR108330RR112330kR113330kR1145K6R109330RC101100NC102100N

8、C103100NR1154.7R 2WZ10130VQ101BD677AD101PMLL4148R116680RPINPINP101PINR117100RQ102BC546BQ103BC846Q104BC846Q107BC856123Q1092SK117GRQ1102SC4793R119430RR12033kR103100KQ1112SC4793C104470PQ1122SA1837Q1132SA1837R12168RR122280RR118270R1W2R123100R TrimNO11N028C12C27NC13NC26COIL4COIL5K101Relay power 8A/24VC10

9、51UC1061UQ1142SA1943Q1162SC5200C107470PPINP102PINR1241K4Q1052SC2750Q1082SA1145R1052K2Z10230V+48VL-48VLL10125X7.8-1.1MMR1251.8RR126 1.8RR1272.2RR1282.2R12J102HEADER 2R1290.22RR1300.22RR133150KD1031N4148C108470NR1341MR1351MR136120KR1371MD1041N4148Q106BC846D1062V7R13856K+18VL-18VL+18VLR1391K2 3WQ1152SA

10、1943Q1172SC5200R1310.22RR1320.22RC110C111123456JP103HEADER 6C114220U/80VC115220U/80VVin3ADJ1Vout2REG101LM317TVin3ADJ1Vout2REG102LM337TR14015KR14115KR142402RR143402RD107BDY17DD108BDY17DD109BDY17DD110BDY17DC11610U/50VC11710U/50VC11822U/50VC11922U/50V+48VL-48VL-56VL+56VL+56VL-56VLC120C121C122C123S10320

11、0MAS104200MAD1051N4148STANDBYC124ncC125ncC126ncC127nc12JP102HEADER 2D111D112D113D114D102PMLL4148R1446K8C109470N32674U102OPA134UA332211J101XLR NC3FAHR1471KR1484.3KR1494.3KR15011KR1522.7KR15111KR1532.7KR154100R+15VL-15VL123S107ASW DPDT456S107BSW DPDTD115D116D117D118C112C113Vin1Vout2Vout3Adj4n.c.5Vout6

12、Vout7n.c.8REG103LM317LMVout1Vin2Vin3Adj4n.c.5Vin6Vin7n.c.8REG104LM337LMR1552k4R157220RR1562k4R158220R+15VL-15VLC12822U/50VC12922U/50VC13010U/50VC13110U/50VR15915KR16015KR16115KR162 15KC132100NC133100ND119D120D121D122R1634R7R1644R7R165100KR166100KR167100KC134220U/80VC135220U/80V32674U101741C32674U103

13、741C+18VL-18VLC136100NC1381UC1391U-56VRABR45 15KR4615KR6915KR7015KR7115KR7215KR7315KR7415KPOWER-AMPEM11211/2BNR182100RR18013kR18147KS4025AQS4035AQS4015AQS4005AQR8013KR82100RR8147KC145100N/100VC146100N/100VC148100N/100VC147100N/100VC140100NC137100NC40100NC37100N+15VR-15VR+15VL-15VLC141100N/50VC142100

14、N/50VC41100N/50VC42100N/50VC46100N/100VC48100N/100VC45100N/100VC47100N/100VC14310U/50VC14410U/50VC4310U/50VC4410U/50VC0422PC0322PC0222PC0122PR18310K/2WR18410K/2WR8310K/2WR8410K2WDownloaded from www.M manuals search engine 123456ABCD654321DCBATitleNumberRevisionSizeBDate:27-Feb-2007Sheet of File:C:WO

15、RK.EM1121B5.SCHDrawn By:R3011MD3011N4148D3021N4148C30110U/16VR302100KR30447KD3036.2VR30547KQ301BC846BQ304BC856BC302220U/35VR303100KQ302BC846BC303100NFC3041NFC3051NFD3041N5404D3051N5404C3063300/6.3VR307NTC 7RR309VDR275R310470K12P301HEADER 2C3073300/6.3VR308NTC 7R12P302HEADER 212P303HEADER 2S3013.15AS

16、3023.15AS3033.15ANO11N028C12C27NC13NC26COIL4COIL5K301RELAY DPDT312JP301HEADER 212P304HEADER 212JP302HEADER 2R31122KR31247KR315100KR316100KR31347KR3173MEGC308100NR318487RQ303BC846BR31447KC30910U/16V+9V+9V5213JP3033.5MM-JACK5213JP3043.5MM-JACK78632541D306KB285532674U301741CSWR319NC123465T301TRANSF33X2

17、8D307BDY17DD308BDY17DD309BDY17DD310BDY17DR323390RR324390RR32510KR3274K7D312PMLL4148D311PMLL4148Vin1Vout2Vout3Adj4n.c.5Vout6Vout7n.c.8REG301LM317LMR3282k2R329390RSTANDBY12JP305HEADER 2Q306BC846BR330100KR33147KD313PMLL4148R3321RQ307BC856BR33910KQ308BC846BQ309BC846BQ310BC846BQ311BC856BR342100KR341100kR

18、344100kR343100kR4461kR345100k+SW+SWABR340NCJP307JP306JP308STANDBYEM11212/2BNC310330NC311330NDownloaded from www.M manuals search engine Downloaded from www.M manuals search engine IDLE CURRENT ADJUSTMENT 1: Connect the voltmeter to JP2 ( JP102) ADJUST R23 ( R123 ) TO 20mV 2. After the power has been

19、 on for 60 min readjust R23 (R123) 3. Remove the voltmeter. Instructions apply to the Right channel. Instructions given in brackets apply to the Left channel. Downloaded from www.M manuals search engine TECHNICAL SPECIFICATIONS Output power per channel 120W/8 ohm,200W/4 ohm (1X400W) Output impedance 0.03 ohm DC offset 5mV Frequency response 10HZ-100KHZ -3db Signal to noise A-weighted 100 dB THD+noise 0.08% Standby 3.5W DIMENSIONS (WXDXH) 430X385X100 MM Weight 16Kg Downloaded from www.M manuals search engine