Primare-A30_5-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 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 123456ABCD654321DCBAT

2、itleNumberRevisionSizeBDate:15-Feb-2001Sheet of File:E:PRIMAREA30-5SCHEM1111-4.SCH Drawn By:R181MD101N4148D121N4148C910U/63VR19100KR2347KD1515VR2447KQ7BC547BQ8BC557BC1022U/63VD131N4004D141N4004R20100KQ9BC547BR21NCC11100NFC121NFC131NFD161N5404D171N5404C143300/6.3VR25NTC 7RR28VDR275R30470K12P6HEADER 2

3、12P7HEADER 212P8HEADER 2C153300/6.3VR26NTC 7RD181N5404R27NTC 7RD191N540412P9HEADER 212P10HEADER 212P11HEADER 2S83.15AS93.15AS103.15AS113.15AS123.15ANO11N028C12C27NC13NC26COIL4COIL5K2RELAY DPDT31234P13HEADER 412JP612P1HEADER 212JP3HEADER 2R122KR247KR29100KR31100KR347KR373MEGC1100N/63VR381KQ4BC547BR44

4、7KVin1GND2OUT3U37812C2100N/63VC310U/16V+12VR393.01k+12VD51N414812P2HEADER 25213JP43.5MM-JACK5213JP73.5MM-JACKD6KB285532674U1741SW230IN230OUTD1NCR5NCR6NCSTANDBYEM1111BN1/112345678ABCD87654321DCBATitleNumberRevisionSizeA3Date:15-Feb-2001Sheet of File:E:PRIMAREA30-5SCHEM1110-1.SCH Drawn By:- CONFIDENTI

5、AL -LCWR3100KR9100KR112K2R18330RR3310KR19330RR351KR20330RR36330kR37330kR345K6R32330RC2100NC5100NC9100NR454.7R 2WZ130VQ32SC3420D6PMLL4148R141K8PINPINP4PINR5065RQ4BC546BQ5BC846Q6BC846Q10BC856123Q172SK117GRQ182SC4793R57390RR5833kR5100KQ212SC4793C18470PQ222SA1837Q302SA1837R5268RR59220RR65270RR71100R Tri

6、mNO11N028C12C27NC13NC26COIL4COIL5K1Relay power 8A/24VC19470nC20470NS3RESET FUSE, 5 AmpS4RESET FUSE, 5 AmpQ312SA1633Q332SC4278C211N5PINP5PINR721K4Q7BC846Q16BC856R152K2R731K.MZ230V+40VREG-40VREGL125X7.8-1.1MMR741.8RR751.8RR762.2RR772.2R12JP2HEADER 2R780.22RR790.22R32184U2AMC1458567U2BMC1558R82150KD71N

7、4148C22470NR831MR841MR7120KR85470KD81N4148Q8BC846D102V7R856K+15V-15V+15VR871K2 3WR8810kQ322SA1633Q342SC4278R800.22RR810.22RC110000U/50VC310000U/50V123456JP1HEADER 6D2BRIDGE1C4220U/80VC6220U/80VVin3ADJ1Vout2REG1LM317TVin3ADJ1Vout2REG2LM337TR115KR215KR4402RR6402RD3BDY17DD4BDY17DD5BDY17DD11BDY17DC73.3U

8、/50VC83.3U/50VC103.3U/50VC113.3U/50V+40VREG-40VREG-56V+56V+56V-56VC12 47NC1347NC14 47NC1547NS11ATS21ATD121N41481234P1HEADER 4S7200MAS8200MASTANDBYSTANDBYC1647NC2347NC2447NC2547N12JP3HEADER 2D1 1N5402D151N5402D161N5402D171N5402D18PMLL4148C17470nC26470NR106K8R12470KR13280KT1BC846+56VC27470NPOWER-AMPEM11101/1BN TECHNICAL SPECIFICATIONS Output power per channel 120W/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 0W DIMENSIONS (WXDXH) 430X385X175 MM Weight 27Kg