Primare-A30_3-pwr-sm 维修电路原理图.pdf

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1、RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库12345678ABCD87654321DCBATitleNumberRevisionSizeA3Date:19-Feb-2001Sheet of File:E:PRIMAREA30-3SCHEM1124-1.SCH Drawn By:- CONFIDENTIAL -LCWR3100KR9100KR112K2R18330RR3310KR19330RR351KR20330RR36330kR37330kR345K6R32330RC2100NC5100NC9100NR454.7R 2WZ130VQ32SC34

2、20D6PMLL4148R141K8PINPINP4PINR5068RQ4BC546BQ5BC846Q6BC846Q10BC856123Q172SK117GRQ182SC4793R57390RR5833kR5100KQ212SC4793C18470PQ222SA1837Q302SA1837R5268RR59220RR65270RR71100R TrimNO11N028C12C27NC13NC26COIL4COIL5K1Relay power 8A/24VC19470nC20470NQ312SA1633Q332SC4278C211N5PINP5PINR721K4Q7BC846Q16BC856R1

3、52K2R731K.MZ230V+40VREG-40VREGL125X7.8-1.1MMR741.8RR751.8RR762.2RR772.2R12JP2HEADER 2R780.22RR790.22R32184U2AMC1458567U2BMC1558R82150KD71N4148C22470NR831MR841MR7120KR851MD81N4148Q8BC846D102V7R856K+15V-15V+15VR871K2 3WR8810kQ322SA1633Q342SC4278R800.22RR810.22RC110000U/50VC310000U/50V123456JP1HEADER 6

4、D2BRIDGE1C4220U/80VC6220U/80VVin3ADJ1Vout2REG1LM317TVin3ADJ1Vout2REG2LM337TR115KR215KR4402RR6402RD3BDY17DD4BDY17DD5BDY17DD11BDY17DC73.3U/50VC83.3U/50VC103.3U/50VC113.3U/50V+40VREG-40VREG-56V+56V+56V-56VC12 47NC1347NC14 47NC1547NS11ATS21ATD121N4148C1647NC2347NC2447NC2547N12JP3HEADER 2D1 1N5402D151N54

5、02D161N5402D171N5402D18PMLL4148C17470nC26470NR106K8C27470N12345JP4HEADER 5POWE-AMPEM11241/1BN123456ABCD654321DCBATitleNumberRevisionSizeBDate:19-Feb-2001Sheet of File:E:PRIMAREA30-3SCHEM1122.SCHDrawn By:R3011MD3011N4148D3021N4148C30110U/63VR302100KR30447KD3036.2VR30547KQ301BC846BQ304BC856BC302220U/3

6、5VR303100KQ302BC846BC303100NFC3041NFC3051NFD3041N5404D3051N5404C3063300/6.3VR307NTC 7RR309VDR275R310470KC3073300/6.3VR308NTC 7R12P302HEADER 212P303HEADER 2S3013.15AS3023.15AS3033.15ANO11N028C12C27NC13NC26COIL4COIL5K301RELAY DPDT312JP301HEADER 212P304HEADER 212JP302HEADER 2R31122KR31247KR315100KR3161

7、00KR31347KR3173MEGC308100N/63VR318487RQ303BC846BR31447KC30910U/16V+9V+9V5213JP3033.5MM-JACK5213JP3043.5MM-JACKD306KB285532674U301741R319NC123465T301TRANSF33X28D307BDY17D308BDY17D309BDY17D310BDY17R323390RR324390RR32510KR32747KD312PMLL4148D311DIODEVin1Vout2Vout3Adj4n.c.5Vout6Vout7n.c.8REG301LM317LMR32

8、82k2R329390RSTANDBYQ306BC846BR330100KR33147KD313PMLL4148R3321R12P1HEADER 2S13.15A123S2ASW DPDT456S2BSW DPDTJP305JP306Q305BC856BR335100KQ307BC856BR3361KR320100KR306100KQ308BC846BQ309BC846BQ310BC846BQ311BC846BR321100KR322100KR333100KR334100K+SW+SWR337NC12345JP307HEADER 5STANDBYJP308115VSTANDBYEM11221/

9、1BN IDLE CURRENT ADJUSTMENT 1: Switch on the amplfier and leave unit on for at least 15min. 2: Connect a voltmeter to JP3 and adjust potentiometer R71 to 15mV +/-1mV 3: After the power has been on for 30 min readjust R71for 15mV +/-1mV TECHNICAL SPECIFICATIONS Output power per channel 3X120W/8 ohm, 200W/4 ohm 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