Infinity-Overture1-spk-sm 维修电路原理图.pdf

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1、Compositions SeriesOverture 1Powered LoudspeakersService ManualInfinity Systems, Inc250 Crossways Park Dr.Woodbury, New York 11797REV 0 12/00RadioFans.CN 收音机爱 好者资料库Overture 12TABLE OF CONTENTSSPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2、 . . .3DETAILED SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4WIRING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5OPERATING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . .

3、. . . . . . . . . . . . . . . . .6REPLACING THE FUSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7CARE OF YOUR SPEAKER SYSTEM/TROUBLESHOOTING . . . . . . . . . . . . . . . . . .8MECHANICAL/PACKAGING PARTS LIST . . . . . . . . . . . . . . . . . . . . . .

4、 . . . . . . . . . . .9EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11SERVICE BULLETIN INF9704 NOV. 1997 . . . .

5、. . . . . . . . . . . . . . . . . . . . . . . . . . . .12SERVICE BULLETIN INF9705 NOV. 1997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13OVERTURE 1 TECH TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14TEST SET UP AND PROCEDURE . . . . .

6、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15DISSASSEMBLY PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16PCB DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17ELECTRICAL PARTS L

7、IST (120V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20ELECTRICAL PARTS LIST (230V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26WIRIN

8、G DIAGRAM/CROSSOVER NETWORK SCHEMATIC . . . . . . . . . . . . . . . . . .27120V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28230V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

9、1RadioFans.CN 收音机爱 好者资料库Overture 13SpecificationsFrequency Response: 35Hz - 20,000Hz (3dB)Recommended Amplifier Power Range 10-100 watts*Amplifier Peak Output:250VAMaximum Output:108 dB SPLSensitivity:92dB 2.83V 1 meter (anechoicconditions)Nominal Impedance:8Crossover Frequencies:300 and 3,000HzLow-

10、Frequency Driver:8” (203MM) high-efficiency, ultralinear,long-throw, magnetically shieldedwoofer.Mid-Bass Driver:(2) 4” (101mm) high-efficiency,magnetically shielded midrange driversHigh-Frequency Driver:1” (25mm) soft dome, high-efficiency,neodymium magnet, magneticallyshielded tweeterDimensions (H

11、 x W x D):12-1/2H x 5-3/4W x 12-1/2D(318mm x 146mm x 318mm)Weight:28.5 lb (13.0 kg) EachPower Consumption:150 watts (Maximum)7 watts (Standby)* The maximum recommended amplifier power rating will ensure proper system headroom to allowfor occasional peaks. We do not recommend sustained operation at t

12、hese maximum power levels.Detailed SpecificationsOverture 14Overture 15Wiring The SystemOverture 16Operating The SystemOverture 17Replacing The FuseOverture 18Care Of Your Speaker System/TroubleshootingOverture 19Mechanical/Packaging Parts List1CABINETNOT FOR SALE2SCREW, 8-32 x1/266067331” (25mm) HI

13、GH FREQUENCY TRANSDUCER, DCR=4.0 Ohms10%1333232-0014WOOFER GRILLE1330956-0015MD/TWT ISOLATOR CUP1331914-0016FRONT BAFFLE1331181-0017SCREW, 6-32 x 3/8, PPHMS, CADCAD PLATED8108118OVERTURE 1 AMPLIFIER1NOT FOR SALE9BAR1332091-00111SCREW, 6-32 x .5, MS, PPH, BLACK6900301-00812NUT, 8-32, KEP HEX, ZINC290

14、7102-00113DACRON-14076399114WOOFER(120v) 8” (203mm) WOOFER, DCR=14.1 Ohms10%1331663-001*(230v) 8” (203mm) WOOFER, DCR=28.0 Ohms10%1333385-001154” (101mm) MIDRANGE TRANSDUCER, DCR=7.3 Ohms10%2330638-00116FOAM, MIDRANGE CUP2324324-00117GRILLE RETAINER, KIT, (4 PCS)1332162-00118GASKET, WOOFER2332204-00

15、119WASHER, #6, FL41163820CLAMP, WOOFER6332032-00121CROSSOVER NETWORK (120V)1331211-001CROSSOVER NETWORK (230V)1333580-00122GAIN KNOB1146-802123INPUT BINDING POST (RED)1331723-00124INPUT BINDING POST (BLACK)1331724-00125LOGO1332622-00126FRONT GRILLE1331185-001PACKAGING27FOAM END PAD TOP AND BOTTOM233

16、1213-00128FRONT GRILLE1331185-00129ACCESSORY KIT (See separate parts below)N/AFOOT W/ ADHESIVE332337-001RUBBER FRONT FOOT332068-001FOOT, BUMP-ON, SQ, BLK. 1/8 X ”332182-001FOOT, BUMP-ON, SQ, BLK. 1/4 X ”332183-001SLOT PLUG332067-001FUSE 3A SLO-BLO 250V (120V)1331630-001FUSE 1.6A SLO-BLOW 250V (230V)

17、1333398-00130OUTER CARTON, (120V)1331212-001OUTER CARTON, (230V)1333393-00131BAG, ZIPLOCK1315953-00132OWNERS MANUAL (120V)1331214-001OWNERS MANUAL (230V)1333390-00133SURVEY CARD1330033-00134SAFETY SHEET1330100-001Optional Center Stand1332518-001Optional wall mount bracket can be obtained from:OMNIMO

18、UNT CO.Model 100 WIN-1OMNIMOUNT phone# (602) 829-8000* 8” WOOFER (120v) part# 331663-001 represents the latest revision of low frequency transducer.Earlier version, cast frame 8” WOOFER, part# 331284-001 is NLA.Ref No.DescriptionQtyPart No.Overture 110Exploded ViewINFINITY SYSTEMS, INC. PROPRIETARYT

19、his document contains confidentialand proprietary information that isthe property of Infinity Systems, Inc.and may not be disclosed to orduplicated for others except as authorizedby Infinity Systems, Inc.1456915 2 PL82011 2PL1174 PL8 PL12 2 PL131416 2 PL6 PL176 PL2184 PL1900395SEE REARVIEWBELOWREAR

20、VIEW(AMP-WFR)(AMP-XVR)3212622252324(2 PCS)Overture 111Packaging30283433323127292 PL(TOP OF CARTON)00396Overture 112Overture 113Overture 114Overture 115Test Set Up and ProcedureSIGNALGENERATORAMPLIFIERAC VOLTMETER (10V)OVERTURE 1UNDER TESTSPEAKEROUTPUTFROMAMPLIFIER00418Overture 116Dissassembly Proced

21、ureOverture 117Amplifier PCB Components SideOverture 118Bass Amplifier PCB Solder SideOverture 119Bass Amplifier PCB Component Side SilkscreenOverture 120Electrical Parts List (120v)Part#QtyDescriptionRef DesignationSemiconductorsDI10041DIODE ZENER 6.2V 1/2W T/RZD2DI10609Diode Switching 500mW 75VD1-

22、2, 4-5, 6-9, 11DI10891Diode 1N4003D10DI11012DIODE ZENER 10V 1/2W T/RZD3, 5CI11861Diode Zener 36V 5% 5W T/RZD1DI11871Di, Bridge Power 400v/8AD18IC10451Three-Term. Adj. Pos. V R LM317TU4IC12152IC TL064CN Quad OP AMPU1-2IC12161IC TL062CP Dual OP Amp.U3TR10023NPN Transistor TO-92 2N3904Q1, 5, 7TR10174Tr

23、ansistor PNP T/R 2N3906Q2-3, 6, 8TR12572MOSFET Power IRFS250Q13-14TR12593NPN 300V/0.5A/20W BF469Q4, 9, 12TR12601PNP 300V/0.5A/20W BF470Q10LE10341Led Green/Red Common CathodeLED1TR13041NPN 60V/3A 25W 2SD2012Q11CapacitorsCP1126 1CAP POLY FILM 1uF 10% 50VC19CP16301Cap. Alum El. 220uF 20% 25vC20CP16561C

24、ap. Alum El. 100uF 20% NPE 25V T/RC2CP16571Cap. Alum El. 220uF 20% NPEC3CP16584Cap. Disc 100pF 10% 500V Y5PC4, 12, 14, 30CP16591Cap. NPE 10uF 20% 25V T/RC11CP16602Cap. Alum El. 1000uF 20% 200V 85C C15, 35CP16611Cap. Alum El. 100uF 20% 50V T/RC16CP16625Cap. Alum El. 10uF 20% 35V T/RC17-18, 22-23, 25C

25、P16631Cap. Alum El. 47uF 20% 25VC21CP16642Cap. Alum El. 4.70uF 20% 63V TC24, 29CP16651Cap. Alum El. 10uF 20% 63V T/RC28CP16662Cap Cer Disc 68pF 20% 500V T/RC31-32CP16671Cap. Poly Fil. 0.47uF 10% 250VC33CP16681Cap. Alum El. 47uF 20% 100VC36CP16691Cap. Poly Fil. .10uF 10% 400VC40CP16701Cap. Poly Fil.

26、.039uF 5% 50VC41CP16723Cap Poly 0.22uF 5% 63V T/RC5-6, 13CP16731Cap Poly Fil. 1uF 10% 50VC26CP16741Cap. Alum El. 1uF 20% 50VC27CP16757Cap. Poly Fil. 0.1uF 5% 5W C7, 9-10, 37-39, 42Overture 121ResistorsRS22831RES M/O F/P 5.1K ohm 5% 5W T/RR23RS10361RES M/F 36 ohm 5% 1/4W T/RR74RS10581RES M/F 51.1K oh

27、m 1% 1/4W T/RR63RS10631RES M/F 1M ohm 1% 1/4W T/RR39RS11501RES M/F 43.2K ohm 1% 1/4W T/RR56RS11531RES M/F 47.5K ohm 1% 1/4W T/RR29RS11611RES M/F 11k ohm 1% 1/4W T/RR21RS12681RES M/F 2.21K ohm 1% 1/4W T/RR66RS13421RES M/F 9.09K ohm 1% 1/4W T/RR52RS13511RES M/F 13K ohm 1% 1/4W T/RR48RS13533RES M/F 3.0

28、1K ohm 1% 1/4W T/RR50-51, 57RS13571RES M/F 100 ohm 1% 1/4W T/RR54RS13701RES M/F 3.57K ohm 1% 1/4W T/RR24RS14553RES M/F 150K ohm 1% 1/4W T/RR35-36, 49RS14921RES M/F 221K ohm 1% 1/4W T/RR30RS15051RES M/F 475K ohm 1% 1/4W T/RR37RS15621RES M/F 82.5K ohm 1% 1/4W T/RR47RS15851RES M/F 475 ohm 1% 1/4W T/RR5

29、RS20183RES M/F 10K ohm 1% 1/4W T/RR13, 18, 26RS20198RES M/F 20K ohm 1% 1/4W T/RR2, 12, 20, 41, 58, 69-71RS20252RES M/F 9.31K ohm 1% 1/4W T/RR1, 22RS21002RES M/F 22.1K ohm 1% 1/4W T/RR9-10RS21241RES M/F 2.37K ohm 1% 1/4W T/RR6RS21252RES M/F 59K ohm 1% 1/4W T/RR7, 15RS21271RES M/F 12.4K ohm 1% 1/4W T/

30、RR8RS21291RES M/F 5.49K ohm 1% 1/4W T/RR11RS21321RES M/F 21.5K ohm 1% 1/4W T/RR17RS21341RES M/F 324K ohm 1% 1/4W T/RR19RS21391RES M/F 200 ohm 1% 1/4W T/RR25RS21401RES M/F 619K ohm 1% 1/4W T/RR32RS21411RES M/F 110K ohm 1% 1/4W T/RR33RS21423RES M/F 100K ohm 1% 1/4W T/RR34, 38, 53RS21434RES M/F 3.32K o

31、hm 1% 1/4W T/RR27, 40, 46, 55RS21442RES M/F 1.3K ohm 1% 1/4W T/RR42, 60RS21461RES M/F 1.5M ohm 1% 1/4W T/RR44S21471RES M/F 249K ohm 1% 1/4W T/RR45RS21481RES M/F 130K ohm 1% 1/4W T/RR59RS21496Res. Fuse 1K ohm 5% 1/4W T/RR61-62, 64, 72-73, 76RS21502Res. Fuse 0.22 ohm 5% 1/2W T/RR65, 77RS21511RES M/O F

32、/P 1K ohm 5% 2W T/RR68S21521RES M/F 75K ohm 1% 1/4W T/RR81S21552RES M/F 33K ohm 5% 1/2W T/RR43, 43BElectrical Parts List (120v)Part#QtyDescriptionRef DesignationOverture 122RS21581RES M/F 3.3K ohm 5% 1/4W T/RR75RS21812RES M/F 2.21M ohm 1% 1/4W T/RR28, 31RS21531Potentiometer 20K ohm 20% BASS GAINP1RS

33、21541Potentiometer 2K ohm BIAS ADJP2MiscellaneousMI1155 1Transformer, CouplingT1TH10171Inrush Current Limiter 5A 10 ohmsCL1VA10091Varistor 200VMOV1BR14121Clamp Transistor BR14161Plate Amp BR14191BAR AMP ASSY. FH10041Fuseholder 2AG Chassis MountFH1FS10641Fuse Slo-Blo 3A/250v 2AGF1HS11441Heatsink Snow

34、ball 97-1NU10498Nut 8-32 x 1/4 Hex Keps Sink FSC10992SC 6-32 x 1/4 Mach-Thr Pan PhiSP10841Spcr Fibre ID 0.128” OD 0.245”SP10861Clamp Insulator SnowballXX12801Power Cord 12Ft 16AWGXX12821Strain Relief BlackXX12901Knob, Bass Gain RE10191Relay, 12A, 48VDCK2CO13451Connector Binding Post PairElectrical P

35、arts List (120v)Part#QtyDescriptionRef DesignationOverture 123SemiconductorsDI11861Diode Zener 36V 5% 5W T/RIC10451Three-Term. Adj. Pos. V R LM317TIC12152IC TL064CN Quad OP AMPIC12161IC TL062CP Dual OP Amp.TR10023NPN Transistor TO-92 2N3904TR10174Transistor PNP T/R 2N3906TR13163Xsistor ZTX658TR13171

36、Xsistor ZTX758TR13182Pwr Mosfet STH16NA40FITR13041NPN XSTR 60V/3A 25WDI10032Diode Rectifier 1N4004DI10041DIODE ZENER 6.2V 1/2W T/RDI10608Diode Switching 500mW 75VDI12241DIODE PWR RECT 800V/3ALE10341Led Green/Red Common CathCapacitorsCP11261CAP POLY FILM 1uF 10% 50VCP16301Cap Alum El 220uF 20% 25vCP1

37、6561Cap. Al El 100uF 20% NPECP16591Cap. NPE 10uF 20% 25V T/RCP16611Cap. Alum El. 100uF 20% 5CP16625Cap. Alum El. 10uF 20% 35CP16631Cap. Alum El. 47uF 20% 25CP16641Cap. Alum EL. 4.70uF 20%CP16662Cap Cer Disc 68pF 20% 500CP16691Cap. Poly Fil .10uF 10% 4CP16701Cap. Poly Fil .039uF 5% 5CP16723Cap Poly 0

38、.22uF 5% 63V T/CP16731Cap. Pol Fil 1nF 10% 50VCP16741Cap. Alum El. 1uF 20% 50VCP16756Cap. Pol Fil 0.1uF 5% 50VCP18041Cap Alum El 270uF 400VCP18051Cap Alum El 22uF 20% 100VCP18061Cap Poly Fil 0.22uF 10% 4CP18071Cap Al El 22uF 20% 250VCP18291Cap Al El 4.7uF 20% 100VCP18281Cap Alum El 390uF 20% 200CP18

39、461CAP POLY FILM 56nF 5%CP16583Cap. Disc 100pF 10% 500VCP19041CAP POLY 0.022uF 20% 250VElectrical Parts List (230v)Part#QtyDescriptionOverture 124ResistorsRS21531Potentiometer 20Kohm 20% Bass GainRS23691POTENTIOMETER 1Kohm Bias AdjRS24631RES CEMENT 20Kohm 5% 5WRS21511RES M/O F/P 1Kohm 5% 2WRS22962RE

40、S M/O F/P 62Kohm 5% 2WRS23012Res Fuse 0.47 ohm 5% T/RRS10581RES M/F 51.1Kohm 1% 1/4WRS10631RES M/F 1 Mohm 1% 1/4WRS11501RES M/F 43.2Kohm 1% 1/4WRS11531RES M/F 47.5Kohm 1% 1/4WRS11611RES M/F 11Kohm 1% 1/4WRS13422RES M/F 9.09Kohm 1% 1/4WRS13511RES M/F 13Kohm 1% 1/4WRS13532RES M/F 3.01Kohm 1% 1/4WRS145

41、52RES M/F 150Kohm 1% 1/4WRS14921RES M/F 221Kohm 1% 1/4WRS15051RES M/F 475Kohm 1% 1/4WRS20185RES M/F 10Kohm 1% 1/4WRS20252RES M/F 9.31Kohm 1% 1/4WRS21252RES M/F 59Kohm 1% 1/4WRS21271RES M/F 12.4Kohm 1% 1/4WRS21291RES M/F 5.49Kohm 1% 1/4WRS21321RES M/F 21.5Kohm 1% 1/4WRS21411RES M/F 110Kohm 1% 1/4WRS2

42、1423RES M/F 100Kohm 1% 1/4WRS21432RES M/F 3.32Kohm 1% 1/4WRS21442RES M/F 1.3Kohm 1% 1/4WRS21461RES M/F 1.5Mohm 1% 1/4WRS21471RES M/F 249Kohm 1% 1/4WRS21492Res. Fuse 1Kohm 5% 1/4W TRS21521RES M/F 75Kohm 1% 1/4WRS21812RES M/F 2.21Mohm 1% 1/4WRS22951RES M/F 511 ohm 1% 1/4WRS22971RES M/F 3.3Mohm 1% 1/4W

43、RS22981RES M/F 301Kohm 1% 1/4WRS22991RES M/F 1.4Kohm 1% 1/4WRS23001RES M/F 374Kohm 1% 1/4WRS23021RES M/F 4.42Kohm 1% 1/4WRS23042Res Fuse 2Kohm 5% 1/3W T/RS23051Res Fuse 75 ohm 5% 1/3W TRS23063Res Fuse 6.8Kohm 5% 1/3WRS23071RES M/F 182Kohm 1% 1/4WRS21391RES M/F 200 ohm 1% 1/4WElectrical Parts List (2

44、30v)Part#QtyDescriptionOverture 125RS23641RES M/F 6.04Kohm 1% 1/4WRS14791RES M/F 2.43Kohm 1% 1/4WRS20194RES M/F 20Kohm 1% 1/4WRS23701RES M/F 37.4Kohm 1% 1/4WRS23033RES M/F 39.2Kohm 1% 1/4WRS13572RES M/F 100 ohm 1% 1/4WMiscellaneousSC10992SC 6-32x 1/4 Mach-Thr PanSP10841“Spcr Fibre ID 0.128” OD 0”TE1

45、1981Trmnl Female 0.187x0.020TE11991Trmnl Female 0.0250 x.032WA10841Spacer WasherXX12901Knob Bass Level XX13071“AC Line Cord, 12 Ft”XX13181Terminal Blanking Plug ReXX13191Terminal Blanking Plug BlCC10624FERRITE BEADWA10852WASHER #6 INTERNAL STARBR15181“BAR, SPREADER”LB13041LABEL GROUNDXX13261STRAIN R

46、ELIEFSP10922NYLON STANDOFFSC12341SC 4-40 x1/14 MACH-THRSC12872SC 10-32x1/4 MACH-THRHS11691HEATSINK OVTR1 EUROPBR14191BAR AMP ASSY. SNOWBALL 97BR15001“Plate, Amp “BR15171Transistor ClampFH10081Fuseholder 5x20mmFS10771FUSE SLOW BLOW 1.6A 250VNU10498Nut 8-32 x 1/4 Hex Keps SCO13451Connector Bindingpost

47、 PairMI11751Transformer Coupling RE10231Relay PC MountSW10811Line Switch TE11753TERMINAL MALE TAB 0.250TE11873TERM MALE TAB 0.187TH10171Inrush Current LimiterVA10101Varistor 400VTE12061TERMINAL SOLDER RINGElectrical Parts List (230v)Part#QtyDescriptionOverture 126Integrated Circuit DiagramsOverture

48、127Wiring Diagram/Crossover Network Schematic-IN+IN-MF+MF.250.205.205.250-HF+HF205PCBPCB250.250.205+MF-MFPCBPCBPCBPCBPCBPCBL10.51 mHC1120 uF50VC210 uF100VL24.5 mHC3150 uF50VC416 uF100VR15.6 ohms5WC54.7 uF50VL30.1 mHR22 ohms5W00402AMPLIFIER.250-LF.205+LFYELYEL/BLKNETWORK, 120V(331211-001)240V (333580

49、-001)MIDRANGETRANSDUCERS (2)(330638-001)WOOFER,120V (331663-001)230V (333385-001)TWEETER(333232-001)+YEL/BLK+YEL-AMPLIFIERGRN/BLKGRN-GRN/BLK+GRN-GRN/BLKGRNBLU/BLKBLUCROSSOVER NETWORK SCHEMATICWIRING DIAGRAMOverture 128120V Power SupplyOverture 129120V Filter/ConnectorsOverture 130120V AmplifierOverture 131230V Power SupplyOverture 132230V filter/ConnectorsOverture 133230V amplifier