Infinity-Overture1-spk-sm 电路图 维修手册.pdf

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1、Compositions Series Overture 1 Powered Loudspeakers Service Manual Infinity Systems, Inc 250 Crossways Park Dr. Woodbury, New York 11797 REV 0 12/00 RadioFans.CN 收音机爱 好者资料库 Overture 1 2 TABLE OF CONTENTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

4、 . . . . . . . . . . . . . . . . . . . .9 EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 SERVICE BULLETIN INF97

5、04 NOV. 1997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 SERVICE BULLETIN INF9705 NOV. 1997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 OVERTURE 1 TECH TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 TEST SET UP

6、 AND PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 DISSASSEMBLY PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 PCB DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7、 . . .17 ELECTRICAL PARTS LIST (120V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 ELECTRICAL PARTS LIST (230V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . .

8、 . . . . . . . . . . .26 WIRING DIAGRAM/CROSSOVER NETWORK SCHEMATIC . . . . . . . . . . . . . . . . . .27 120V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 230V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9、. . . . . . . . . . . . . . . .31 RadioFans.CN 收音机爱 好者资料库 Overture 1 3 Specifications Frequency Response: 35Hz - 20,000Hz (3dB) Recommended Amplifier Power Range 10-100 watts* Amplifier Peak Output:250VA Maximum Output:108 dB SPL Sensitivity:92dB 2.83V 1 meter (anechoic conditions) Nominal Impedance

10、:8 Crossover Frequencies:300 and 3,000Hz Low-Frequency Driver:8” (203MM) high-efficiency, ultralinear, long-throw, magnetically shielded woofer. Mid-Bass Driver:(2) 4” (101mm) high-efficiency, magnetically shielded midrange drivers High-Frequency Driver:1” (25mm) soft dome, high-efficiency, neodymiu

11、m magnet, magnetically shielded tweeter Dimensions (H 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) Each Power Consumption:150 watts (Maximum) 7 watts (Standby) * The maximum recommended amplifier power rating will ensure proper system headroom to allow for occ

12、asional peaks. We do not recommend sustained operation at these maximum power levels. RadioFans.CN 收音机爱 好者资料库 Detailed Specifications Overture 1 4 Overture 1 5 Wiring The System Overture 1 6 Operating The System Overture 1 7 Replacing The Fuse Overture 1 8 Care Of Your Speaker System/Troubleshooting

13、 Overture 1 9 Mechanical/Packaging Parts List 1CABINETNOT FOR SALE 2SCREW, 8-32 x1/2660673 31” (25mm) HIGH FREQUENCY TRANSDUCER, DCR=4.0 Ohms10%1333232-001 4WOOFER GRILLE1330956-001 5MD/TWT ISOLATOR CUP1331914-001 6FRONT BAFFLE1331181-001 7SCREW, 6-32 x 3/8, PPHMS, CADCAD PLATED810811 8OVERTURE 1 AM

14、PLIFIER1NOT FOR SALE 9BAR1332091-001 11SCREW, 6-32 x .5, MS, PPH, BLACK6900301-008 12NUT, 8-32, KEP HEX, ZINC2907102-001 13DACRON-140763991 14WOOFER (120v) 8” (203mm) WOOFER, DCR=14.1 Ohms10%1331663-001* (230v) 8” (203mm) WOOFER, DCR=28.0 Ohms10%1333385-001 154” (101mm) MIDRANGE TRANSDUCER, DCR=7.3

15、Ohms10%2330638-001 16FOAM, MIDRANGE CUP2324324-001 17GRILLE RETAINER, KIT, (4 PCS)1332162-001 18GASKET, WOOFER2332204-001 19WASHER, #6, FL411638 20CLAMP, WOOFER6332032-001 21CROSSOVER NETWORK (120V)1331211-001 CROSSOVER NETWORK (230V)1333580-001 22GAIN KNOB1146-8021 23INPUT BINDING POST (RED)1331723

16、-001 24INPUT BINDING POST (BLACK)1331724-001 25LOGO1332622-001 26FRONT GRILLE1331185-001 PACKAGING 27FOAM END PAD TOP AND BOTTOM2331213-001 28FRONT GRILLE1331185-001 29ACCESSORY KIT (See separate parts below)N/A FOOT W/ ADHESIVE332337-001 RUBBER FRONT FOOT332068-001 FOOT, BUMP-ON, SQ, BLK. 1/8 X ”33

17、2182-001 FOOT, BUMP-ON, SQ, BLK. 1/4 X ”332183-001 SLOT PLUG332067-001 FUSE 3A SLO-BLO 250V (120V)1331630-001 FUSE 1.6A SLO-BLOW 250V (230V)1333398-001 30OUTER CARTON, (120V)1331212-001 OUTER CARTON, (230V)1333393-001 31BAG, ZIPLOCK1315953-001 32OWNERS MANUAL (120V)1331214-001 OWNERS MANUAL (230V)13

18、33390-001 33SURVEY CARD1330033-001 34SAFETY SHEET1330100-001 Optional Center Stand1332518-001 Optional wall mount bracket can be obtained from: OMNIMOUNT CO. Model 100 WIN-1 OMNIMOUNT phone# (602) 829-8000 * 8” WOOFER (120v) part# 331663-001 represents the latest revision of low frequency transducer

19、. Earlier version, cast frame 8” WOOFER, part# 331284-001 is NLA. Ref No.DescriptionQtyPart No. Overture 1 10 Exploded View INFINITY SYSTEMS, INC. PROPRIETARY This document contains confidential and proprietary information that is the property of Infinity Systems, Inc. and may not be disclosed to or

20、 duplicated for others except as authorized by Infinity Systems, Inc. 1 4 5 6 9 15 2 PL 8 20 11 2PL 11 7 4 PL 8 PL 12 2 PL 13 14 16 2 PL 6 PL 17 6 PL2 18 4 PL 19 00395 SEE REAR VIEW BELOW REAR VIEW (AMP-WFR) (AMP-XVR) 3 21 26 22 25 23 24 (2 PCS) Overture 1 11 Packaging 30 28 343332 31 27 29 2 PL (TO

21、P OF CARTON) 00396 Overture 1 12 Overture 1 13 Overture 1 14 Overture 1 15 Test Set Up and Procedure SIGNAL GENERATOR AMPLIFIER AC VOLT METER (10V)OVERTURE 1 UNDER TEST SPEAKER OUTPUT FROM AMPLIFIER 00418 Overture 1 16 Dissassembly Procedure Overture 1 17 Amplifier PCB Components Side Overture 1 18

22、Bass Amplifier PCB Solder Side Overture 1 19 Bass Amplifier PCB Component Side Silkscreen Overture 1 20 Electrical Parts List (120v) Part#QtyDescriptionRef Designation Semiconductors DI10041DIODE ZENER 6.2V 1/2W T/RZD2 DI10609Diode Switching 500mW 75VD1-2, 4-5, 6-9, 11 DI10891Diode 1N4003D10 DI11012

23、DIODE ZENER 10V 1/2W T/RZD3, 5 CI11861Diode Zener 36V 5% 5W T/RZD1 DI11871Di, Bridge Power 400v/8AD18 IC10451Three-Term. Adj. Pos. V R LM317TU4 IC12152IC TL064CN Quad OP AMPU1-2 IC12161IC TL062CP Dual OP Amp.U3 TR10023NPN Transistor TO-92 2N3904Q1, 5, 7 TR10174Transistor PNP T/R 2N3906Q2-3, 6, 8 TR1

24、2572MOSFET Power IRFS250Q13-14 TR12593NPN 300V/0.5A/20W BF469Q4, 9, 12 TR12601PNP 300V/0.5A/20W BF470Q10 LE10341Led Green/Red Common CathodeLED1 TR13041NPN 60V/3A 25W 2SD2012Q11 Capacitors CP1126 1CAP POLY FILM 1uF 10% 50VC19 CP16301Cap. Alum El. 220uF 20% 25vC20 CP16561Cap. Alum El. 100uF 20% NPE 2

25、5V T/RC2 CP16571Cap. Alum El. 220uF 20% NPEC3 CP16584Cap. Disc 100pF 10% 500V Y5PC4, 12, 14, 30 CP16591Cap. NPE 10uF 20% 25V T/RC11 CP16602Cap. Alum El. 1000uF 20% 200V 85C C15, 35 CP16611Cap. Alum El. 100uF 20% 50V T/RC16 CP16625Cap. Alum El. 10uF 20% 35V T/RC17-18, 22-23, 25 CP16631Cap. Alum El. 4

26、7uF 20% 25VC21 CP16642Cap. Alum El. 4.70uF 20% 63V TC24, 29 CP16651Cap. Alum El. 10uF 20% 63V T/RC28 CP16662Cap Cer Disc 68pF 20% 500V T/RC31-32 CP16671Cap. Poly Fil. 0.47uF 10% 250VC33 CP16681Cap. Alum El. 47uF 20% 100VC36 CP16691Cap. Poly Fil. .10uF 10% 400VC40 CP16701Cap. Poly Fil. .039uF 5% 50VC

27、41 CP16723Cap Poly 0.22uF 5% 63V T/RC5-6, 13 CP16731Cap Poly Fil. 1uF 10% 50VC26 CP16741Cap. Alum El. 1uF 20% 50VC27 CP16757Cap. Poly Fil. 0.1uF 5% 5W C7, 9-10, 37-39, 42 Overture 1 21 Resistors RS22831RES M/O F/P 5.1K ohm 5% 5W T/RR23 RS10361RES M/F 36 ohm 5% 1/4W T/RR74 RS10581RES M/F 51.1K ohm 1%

28、 1/4W T/RR63 RS10631RES M/F 1M ohm 1% 1/4W T/RR39 RS11501RES M/F 43.2K ohm 1% 1/4W T/RR56 RS11531RES M/F 47.5K ohm 1% 1/4W T/RR29 RS11611RES M/F 11k ohm 1% 1/4W T/RR21 RS12681RES M/F 2.21K ohm 1% 1/4W T/RR66 RS13421RES M/F 9.09K ohm 1% 1/4W T/RR52 RS13511RES M/F 13K ohm 1% 1/4W T/RR48 RS13533RES M/F

29、 3.01K ohm 1% 1/4W T/RR50-51, 57 RS13571RES M/F 100 ohm 1% 1/4W T/RR54 RS13701RES M/F 3.57K ohm 1% 1/4W T/RR24 RS14553RES M/F 150K ohm 1% 1/4W T/RR35-36, 49 RS14921RES M/F 221K ohm 1% 1/4W T/RR30 RS15051RES M/F 475K ohm 1% 1/4W T/RR37 RS15621RES M/F 82.5K ohm 1% 1/4W T/RR47 RS15851RES M/F 475 ohm 1%

30、 1/4W T/RR5 RS20183RES M/F 10K ohm 1% 1/4W T/RR13, 18, 26 RS20198RES M/F 20K ohm 1% 1/4W T/RR2, 12, 20, 41, 58, 69-71 RS20252RES M/F 9.31K ohm 1% 1/4W T/RR1, 22 RS21002RES M/F 22.1K ohm 1% 1/4W T/RR9-10 RS21241RES M/F 2.37K ohm 1% 1/4W T/RR6 RS21252RES M/F 59K ohm 1% 1/4W T/RR7, 15 RS21271RES M/F 12

31、.4K ohm 1% 1/4W T/RR8 RS21291RES M/F 5.49K ohm 1% 1/4W T/RR11 RS21321RES M/F 21.5K ohm 1% 1/4W T/RR17 RS21341RES M/F 324K ohm 1% 1/4W T/RR19 RS21391RES M/F 200 ohm 1% 1/4W T/RR25 RS21401RES M/F 619K ohm 1% 1/4W T/RR32 RS21411RES M/F 110K ohm 1% 1/4W T/RR33 RS21423RES M/F 100K ohm 1% 1/4W T/RR34, 38,

32、 53 RS21434RES M/F 3.32K ohm 1% 1/4W T/RR27, 40, 46, 55 RS21442RES M/F 1.3K ohm 1% 1/4W T/RR42, 60 RS21461RES M/F 1.5M ohm 1% 1/4W T/RR44 S21471RES M/F 249K ohm 1% 1/4W T/RR45 RS21481RES M/F 130K ohm 1% 1/4W T/RR59 RS21496Res. Fuse 1K ohm 5% 1/4W T/RR61-62, 64, 72-73, 76 RS21502Res. Fuse 0.22 ohm 5%

33、 1/2W T/RR65, 77 RS21511RES M/O F/P 1K ohm 5% 2W T/RR68 S21521RES M/F 75K ohm 1% 1/4W T/RR81 S21552RES M/F 33K ohm 5% 1/2W T/RR43, 43B Electrical Parts List (120v) Part#QtyDescriptionRef Designation Overture 1 22 RS21581RES M/F 3.3K ohm 5% 1/4W T/RR75 RS21812RES M/F 2.21M ohm 1% 1/4W T/RR28, 31 RS21

34、531Potentiometer 20K ohm 20% BASS GAINP1 RS21541Potentiometer 2K ohm BIAS ADJP2 Miscellaneous MI1155 1Transformer, CouplingT1 TH10171Inrush Current Limiter 5A 10 ohmsCL1 VA10091Varistor 200VMOV1 BR14121Clamp Transistor BR14161Plate Amp BR14191BAR AMP ASSY. FH10041Fuseholder 2AG Chassis MountFH1 FS10

35、641Fuse Slo-Blo 3A/250v 2AGF1 HS11441Heatsink Snowball 97-1 NU10498Nut 8-32 x 1/4 Hex Keps Sink F SC10992SC 6-32 x 1/4 Mach-Thr Pan Phi SP10841Spcr Fibre ID 0.128” OD 0.245” SP10861Clamp Insulator Snowball XX12801Power Cord 12Ft 16AWG XX12821Strain Relief Black XX12901Knob, Bass Gain RE10191Relay, 1

36、2A, 48VDCK2 CO13451Connector Binding Post Pair Electrical Parts List (120v) Part#QtyDescriptionRef Designation Overture 1 23 Semiconductors DI11861Diode Zener 36V 5% 5W T/R IC10451Three-Term. Adj. Pos. V R LM317T IC12152IC TL064CN Quad OP AMP IC12161IC TL062CP Dual OP Amp. TR10023NPN Transistor TO-9

37、2 2N3904 TR10174Transistor PNP T/R 2N3906 TR13163Xsistor ZTX658 TR13171Xsistor ZTX758 TR13182Pwr Mosfet STH16NA40FI TR13041NPN XSTR 60V/3A 25W DI10032Diode Rectifier 1N4004 DI10041DIODE ZENER 6.2V 1/2W T/R DI10608Diode Switching 500mW 75V DI12241DIODE PWR RECT 800V/3A LE10341Led Green/Red Common Cat

38、h Capacitors CP11261CAP POLY FILM 1uF 10% 50V CP16301Cap Alum El 220uF 20% 25v CP16561Cap. Al El 100uF 20% NPE CP16591Cap. NPE 10uF 20% 25V T/R CP16611Cap. Alum El. 100uF 20% 5 CP16625Cap. Alum El. 10uF 20% 35 CP16631Cap. Alum El. 47uF 20% 25 CP16641Cap. Alum EL. 4.70uF 20% CP16662Cap Cer Disc 68pF

39、20% 500 CP16691Cap. Poly Fil .10uF 10% 4 CP16701Cap. Poly Fil .039uF 5% 5 CP16723Cap Poly 0.22uF 5% 63V T/ CP16731Cap. Pol Fil 1nF 10% 50V CP16741Cap. Alum El. 1uF 20% 50V CP16756Cap. Pol Fil 0.1uF 5% 50V CP18041Cap Alum El 270uF 400V CP18051Cap Alum El 22uF 20% 100V CP18061Cap Poly Fil 0.22uF 10% 4

40、 CP18071Cap Al El 22uF 20% 250V CP18291Cap Al El 4.7uF 20% 100V CP18281Cap Alum El 390uF 20% 200 CP18461CAP POLY FILM 56nF 5% CP16583Cap. Disc 100pF 10% 500V CP19041CAP POLY 0.022uF 20% 250V Electrical Parts List (230v) Part#QtyDescription Overture 1 24 Resistors RS21531Potentiometer 20Kohm 20% Bass

41、 Gain RS23691POTENTIOMETER 1Kohm Bias Adj RS24631RES CEMENT 20Kohm 5% 5W RS21511RES M/O F/P 1Kohm 5% 2W RS22962RES M/O F/P 62Kohm 5% 2W RS23012Res Fuse 0.47 ohm 5% T/R RS10581RES M/F 51.1Kohm 1% 1/4W RS10631RES M/F 1 Mohm 1% 1/4W RS11501RES M/F 43.2Kohm 1% 1/4W RS11531RES M/F 47.5Kohm 1% 1/4W RS1161

42、1RES M/F 11Kohm 1% 1/4W RS13422RES M/F 9.09Kohm 1% 1/4W RS13511RES M/F 13Kohm 1% 1/4W RS13532RES M/F 3.01Kohm 1% 1/4W RS14552RES M/F 150Kohm 1% 1/4W RS14921RES M/F 221Kohm 1% 1/4W RS15051RES M/F 475Kohm 1% 1/4W RS20185RES M/F 10Kohm 1% 1/4W RS20252RES M/F 9.31Kohm 1% 1/4W RS21252RES M/F 59Kohm 1% 1/

43、4W RS21271RES M/F 12.4Kohm 1% 1/4W RS21291RES M/F 5.49Kohm 1% 1/4W RS21321RES M/F 21.5Kohm 1% 1/4W RS21411RES M/F 110Kohm 1% 1/4W RS21423RES M/F 100Kohm 1% 1/4W RS21432RES M/F 3.32Kohm 1% 1/4W RS21442RES M/F 1.3Kohm 1% 1/4W RS21461RES M/F 1.5Mohm 1% 1/4W RS21471RES M/F 249Kohm 1% 1/4W RS21492Res. Fu

44、se 1Kohm 5% 1/4W T RS21521RES M/F 75Kohm 1% 1/4W RS21812RES M/F 2.21Mohm 1% 1/4W RS22951RES M/F 511 ohm 1% 1/4W RS22971RES M/F 3.3Mohm 1% 1/4W RS22981RES M/F 301Kohm 1% 1/4W RS22991RES M/F 1.4Kohm 1% 1/4W RS23001RES M/F 374Kohm 1% 1/4W RS23021RES M/F 4.42Kohm 1% 1/4W RS23042Res Fuse 2Kohm 5% 1/3W T/

45、 RS23051Res Fuse 75 ohm 5% 1/3W T RS23063Res Fuse 6.8Kohm 5% 1/3W RS23071RES M/F 182Kohm 1% 1/4W RS21391RES M/F 200 ohm 1% 1/4W Electrical Parts List (230v) Part#QtyDescription Overture 1 25 RS23641RES M/F 6.04Kohm 1% 1/4W RS14791RES M/F 2.43Kohm 1% 1/4W RS20194RES M/F 20Kohm 1% 1/4W RS23701RES M/F

46、37.4Kohm 1% 1/4W RS23033RES M/F 39.2Kohm 1% 1/4W RS13572RES M/F 100 ohm 1% 1/4W Miscellaneous SC10992SC 6-32x 1/4 Mach-Thr Pan SP10841“Spcr Fibre ID 0.128” OD 0” TE11981Trmnl Female 0.187x0.020 TE11991Trmnl Female 0.0250 x.032 WA10841Spacer Washer XX12901Knob Bass Level XX13071“AC Line Cord, 12 Ft”

47、XX13181Terminal Blanking Plug Re XX13191Terminal Blanking Plug Bl CC10624FERRITE BEAD WA10852WASHER #6 INTERNAL STAR BR15181“BAR, SPREADER” LB13041LABEL GROUND XX13261STRAIN RELIEF SP10922NYLON STANDOFF SC12341SC 4-40 x1/14 MACH-THR SC12872SC 10-32x1/4 MACH-THR HS11691HEATSINK OVTR1 EUROP BR14191BAR

48、 AMP ASSY. SNOWBALL 97 BR15001“Plate, Amp “ BR15171Transistor Clamp FH10081Fuseholder 5x20mm FS10771FUSE SLOW BLOW 1.6A 250V NU10498Nut 8-32 x 1/4 Hex Keps S CO13451Connector Bindingpost Pair MI11751Transformer Coupling RE10231Relay PC Mount SW10811Line Switch TE11753TERMINAL MALE TAB 0.250 TE11873T

49、ERM MALE TAB 0.187 TH10171Inrush Current Limiter VA10101Varistor 400V TE12061TERMINAL SOLDER RING Electrical Parts List (230v) Part#QtyDescription Overture 1 26 Integrated Circuit Diagrams Overture 1 27 Wiring Diagram/Crossover Network Schematic -IN +IN -MF +MF.250 .205 .205 .250 -HF +HF 205 PCB PCB 250 .250 .205 +MF -MF PCB PCB PCB PCB PCB PCB L1 0.51 mH C1 120 uF 50V C2 10 uF 100V L2 4.5 mH C3 150 uF 50V C4 16 uF 100V R1 5.6 ohms 5W C5 4.7 uF 50V L3 0.1 mH R2 2 ohms 5W 00402 AMPLIFIER .250 -LF.205 +LF YEL YEL/BLK NETWORK, 120V(331211-001) 240V (333580-001) MIDRANG