Infinity-310A-pwr-sm 维修电路原理图.pdf
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1、 Reference Series 310a 311a 1 CHANNEL POWER AMPLIFIER SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev2aa10/2005 RadioFans.CN 收音机爱 好者资料库- CONTENTS - SPECIFICATIONS .1 FEATURES/TEST CONDITIONS.2 CONTROLS/CONNECTIONS.3 INSTALLATION.5 BASIC TROUBLESHOOTING.7 TYP
2、ICAL SYSTEM WIRING.8 EXPLODED VIEW/PARTS LIST.9 MECHANICAL PARTS LIST.10 AMPLIFIER BLOCK DIAGRAM11 P.C.B. DRAWINGS.12 ELECTRICAL PARTS LIST . 15 REF 311a ELECTRICAL PARTS LIST ADDENDUM.18 IC/TRANSISTOR PINOUTS.19 REF 310a SCHEMATICS.22 REF 311a SCHEMATICS.24 PACKING.26 Reference 310a/311a Specificat
3、ions Output Power: 116W RMS x 1 channels 4 ohms; 1% THD + N (14.4V supply) 312W RMS x 1 channels 4 ohms; 1% THD + N Signal-to-noise ratio: 81dBA (reference 1W into 4 ohms) Dynamic power: 347W 2 ohms Effective damping factor: 6.398 4 ohms Frequency response: 17Hz 302Hz (3dB) Maximum input signal: 6.0
4、V Maximum sensitivity: Reference 310a - 250mV Reference 311a - 75mV DC Offset G/BOX, C/BOX2LAB-SR-0066ASERIAL NO STICKERWHITE/BLACKPANEL, H/SINK2LAB-00-0426AE-MARK STICKERWHITE/BLACK1CAR-00-0061AQUICK START GUIDEART PAPER110 Reference 310a/311a Mechanical Parts ListPower Amplifier Power Amplifier Re
5、f 310a/311a BLOCK DIAGRAM11 Reference 310a/311a J057.5m/mR22015KTER02TM0009-01C15847PC623300/63VHC/DLD111SS133C154473PU106NJM2068LDCLIPLWL0640-2PR1084.7KFR2271.5KR2291.8KL01CL-500J10617.5m/mJ6520m/mR230200KJ7115m/mR228100KC227474(M)2NDPOWERLWL0640-03PR1510C228184(M)R166560J1136m/mJ1126m/mFH01WF-9402
6、J1010m/mC21047/16VR24010KFR24110KFR2431KR2421KC24122PR244100KC14122PR1431KR1421KR14110KFR14010KFU102NJM2068LDR149100KR4447R1930.1/3WJ1617.5m/mJ5810m/mR2568KR921KQ90C3198GRJ25125m/mR10122KFJ5019m/mR10347KFU101NJM2068LDC2434.7/50VC10322/16VC1434.7/50VR144100KJ296m/mRCA101DJB-554AC10222/16VJ7320m/mR106
7、47KFC108470PD02IN4004R5347R10547KFR2084.7KFC10522PJ306m/mJ2317.5m/mJ316m/mC10622PC01XVR10120KBR198680/2WC10410PC31105(M)TLR20122KFC20222/16VC20322/16VR20547KFJ4425m/mR20347KFJ4725m/mR20647KFR20247KFC20622PJ856m/mC20522PC20410PR10247KFR5447C042200/25VWLC03104PC201102PC101102PR1950.1/3WVR10250KCR21082
8、0FTER01TM0006-01U103NJM2068LDR21530KJ4625m/mR6010.5KFMOD01623PCB4-BR21310KFR214510FR1840.1/3WR21810KR21615KJ3307.5m/mU105NJM13600R217510J3512.5m/mC2194.7/50VR21910KC2201/50VC6747/50VR221150KR222150Q219C3198GRVR104A2K+A200KJ077.5m/mQ181TIP35CQ180TIP35CD011N5404R21110KFC08222(M)J3036m/mR624.7KFQ198C31
9、98GRJ4525m/mQ199C3198GRR911220/2WC1647/25VQ23A1266GRR2079.4KFD041SS133R2122KFQ33A1266GRQ01A1023YQ21C3198BLQ12A1266GRD031SS133R51220/0.5WQ11A1266GRQ02C3198GRQ22A1268GRD54FR154J2517.5m/mR4347J2417.5m/mR421KR2224KR1310KTH01FTD5-350J2217.5m/mR1940.1/3WR2124KR1830.1/3WJ5610m/mQ43FQP50N06C32105(M)TLC53473
10、PQ54FQP50N06J1917.5m/mC63473PQ182TIP35CJ5119m/mC51470/63VR3222KQ53FQP50N06R114.7KR014.7KC22104PR3515KR1410KC21102(M)R3333KC923330/16VJ8920m/mJ6615m/mR19956KJ1310m/mR3415KR123.9KJ7015m/mR63430KJ6120m/mC13100/16VC12100/16VR16910J6815m/mR058.2KR6110KC33473PJ5219m/mC199100/16VJ69 15m/mR0456KD41YG225D2J1
11、0717.5m/mC1510/25VR024.7KR41220/0.5WC14 47/16VR311KJ865m/mJ4825m/mD42YG225D2J1206m/mJ916m/mJ876m/mJ4120m/mR174100/0.5WJ4325m/mC11100/16VC60104PR921220/2WL196CL-200CJ1717.5m/mJ5425m/mJ5325m/mR1964.7/0.5WSCREWJ1817.5m/mR18715KR18010R9047KJ9522m/mJ2815m/mR17510/0.5WJ3920m/mQ151J108D51FR154D53FR154L03CL
12、-300C197104(M)R1974.7/0.5WR15222KFD1521SS133WIREW01XD52FR154R1505.6KFC1502.2/50VQ191TIP36CR1531KC5747/50VR164100/0.5WQ190TIP36CJ936m/mD1601SS133C160100PJ4925m/mQ156C3200GRD1871SS133Q155A1268GRJ926m/mL02CL-500J3712.5m/mQ153C3200GRQ154A1268GRR209100J067.5m/mD1611SS133R156680Q171C1027YR17122KFJ1210m/mQ
13、175A1023YQ174A1023YR172120Q173A1023YQ165C1027YJ7420m/mJ7915m/mJ4225m/mQ164C1027YQ163C1027YC156473PD1511SS133J9415m/mJ1110m/mR173820R168560J5520m/mJ9622m/mC913330/16VJ3812.5m/mJ326m/mR16510/0.5WC1631/50VJ5910m/mD9111N4744J57 10m/mC37102PD9211N4744R1631.5K76321485T0137PHIC921330/16VC187100PQ187C3200GR
14、R1611.5KQ161A1268GRQ162A1268GRJ7720m/mR16022KC1512.2/50VC165270PC155100/63VC175270P3RD.R15110KR157910FR15839KFR9122KR16247R167560C61470/63vJ1026m/mJ10422m/mQ44FQP50N06R18210Q172C3200GRC157100/63VJ10122m/mJ10817.5m/mR18110Q152C3200GRR19010R1861.5KJ4020m/mR19210J10320m/mC153102PC15268PR19110C211102PJ1
15、006m/mVR103B500R169100KJ3412.5m/mJ9722m/mC21247/16VC0610/16VC922104PC912104PJ84 10m/mJ83 10m/mJ8210m/m1STPOWERLWL0640-03PD1691SS133J3325m/mD811SS133D801SS133J1096m/mC8222PR80220KR8110KC8310/50VQ82J108J266m/mJ2715m/mJ7525m/mJ7220m/mJ10522m/mR4547J9010m/mJ1106m/mR1079.4KFJ8810m/mJ2017.5m/mJ1116m/mJ211
16、7.5m/mJ25210m/mC226683(M)C225823(M)Q45FQP50N06R2255.6KR5547Q55FQP50N06J1417.5m/mJ1517.5m/mC052200/25VWLR2265.6KJ3612.5m/mR22410KC22347/16VR521KBJ0155m/mBJ0225m/mR223XJ087.5m/mJ25012.5m/mU104NJM2068LDJ017.5m/mJ766m/mR25015KJ027.5m/mC911330/16VJ037.5m/mJ047.5m/mC159100/16V3RDC523300/63VHC/DLSCREWR1850
17、.1/3WU01TL494CNJ3046m/mQ192TIP36CJ6010m/mJ0910m/mR30100/2WJ7825m/mJ3056m/mJ3006m/mJ3016m/mJ3026m/mJ3087.5m/mJ3077.5m/mJ3067.5m/mC182220PC181220PC180220PWIREW0360m/mWIREW04100m/mC36105(M)TLR0310/0.5WC35104(M)WIREW0260m/mC801473P5(0.7x9):17(0.7x4):10(0.7x1):10(0.7x1)PAM662-01V-CUTV-CUTV-CUTV-CUTREV.0Y
18、ELLOWREDBKBKBK310aDBO2040Hz012dBLPFVOLUMELLRR12 Reference 310a/311a R108TER02C197C62D04C241U102CLIPR227R229R230L01J16J73R228J66R166C2282NDPOWERR02C35R240J112J29J58C243R241R243R242R244C141R143C108R142R141R140R149U101R25R43R193J23J56R92R101Q219J44R103J51R144U103C103C143C102R106J30RCA101C202J89R105C105
19、D02R54R208R201C106J31J25J85C104C32VR101R198C206C154R205C203C219R203J47R206J46R202R102C205C204R210R55C04C201C101C53R195VR102R215TER01U104R60J45R213MOD01R214R218R184R216R217U01R219J35C220R221C67R222R211Q198VR104Q181Q180D01R62C33J120R212Q199J48Q23R911C15Q33R51D03R22Q01Q21Q12Q11D152R41Q02Q22R15D54J24R42
20、J22R45R13R21TH01J19R194R32R183C03Q43C21C63Q54J107C22Q182J52C51R11Q53R01R35C182R14R33C16R34C923J61J70R199R12R63J68R16J41C12C199R05J69R61R04C60J65C11J28R31D41J17C14R174R107C08R187J86J43D42J91J87J93J39R196J54C159C160R921L196J18J53J49R175J108R90R180R152J96J79R197J74Q156D51D53L03C226C210R150D160W01D52R15
21、3C57Q191R209C163R164Q190J92D187C156J42Q155D161Q153J32L02J37Q154Q171R156D151R171Q175R172Q174Q173R173Q165Q164J55J94J33Q163Q187C37D169J27J59R168R163J77J104C913J38J102R165C151J57D911J84C187D921R161T01C921C165Q161R160Q162Q172J40R151C212C175C155C1533RD.R157R158R91R162R167R169C61J100J101Q44R182Q152C157J97J
22、20R181Q82R190R186J103R192J72C152C211R191C922J109VR103R80J34J105C06C83C912C82J83J82J901STPOWERD81J75D80R207J26C181R81R225C223J251J110R03J78J95U106C227J88J111J71J252J21J76J14J60C225C150Q45R226C31Q55J15R44C05R224J36R223J113J106R250J250U105C13C911Q903RDC52R185Q192R53R30J50C01C158C180C36D11W03W04Q151W02R
23、220C801V-CUTV-CUTV-CUTV-CUT13 Reference 310a/311a 14 Reference 310a/311a FET-00-00045F.E.TMUTTING J-FETJ108Q82,1512TRS-00-00087TRANSISTORSMALL SIGNAL PNPKTA1023YQ01,173,174,1754TRS-00-00088TRANSISTORSMALL SIGNAL NPNKTC1027YQ163,164,165,1714TRS-00-00091TRANSISTORSMALL SIGNAL PNPKTA1268GRQ22,154,155,1
24、61,1625TRS-00-00111TRANSISTORSMALL SIGNAL NPNKTC3200GRQ152,153,156,1874TRS-00-00090TRANSISTORSMALL SIGNAL PNPKTA1266GRQ11,12,23,334TRS-00-00110TRANSISTORSMALL SIGNAL NPNKTC3198GRQ02,90,198,199,2195TRS-00-00109TRANSISTORSMALL SIGNAL NPNKTC3198BLQ211DIO-00-00108DIODEFAST RECOVERYFR154D51,52,53,544DIO-
25、00-00003DIODERECTIFIERIN4004D021DIO-00-00006DIODESWITCHING SIGNAL1SS133 /1N4148D03,04,11,80,81,151,152,160,161,16911D187RES-00-00549RESISTORMETAL FILM 1/5WF510 OHMR2141RES-00-00586RESISTORMETAL FILM 1/5WF820 OHMR2101RES-00-00590RESISTORMETAL FILM 1/5WF910 OHMR1571RES-00-00482RESISTORMETAL FILM 1/5WF
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