Infinity-ExtraPointFive-ps-sm维修电路原理图.pdf

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1、ENTRA ENTRA POINT FIVE HTS POWERED SUBWOOFER SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev 2 12/2002 RadioFans.CN 收音机爱 好者资料库 TABLE OF CONTENTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 DETAILED SPECIFICATIONS . . . . .

2、 . . . . . . . . . . .4 CONTROLS and CONNECTIONS . . . . . . . . . . . . . . . . . . . .5 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 MECHANICAL/PACKAGING PARTS LIST . . . . . . . . . . . . . .8 EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . .9 PAC

3、KAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 TEST SETUP AND PROCEDURES . . . . . . . . . . . . . . . . . . .11 ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . .12 INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . .17 BLOCK DIAGRAM . . . . . . . . . . . . .

4、 . . . . . . . . . . . . . . . . . . . .19 PCB DRAWINGS. . . . . . . . . . . . . . . . . . . . . . .20 SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 RadioFans.CN 收音机爱 好者资料库 2 Entra Subwoofer 3 Specifications Frequency Response: 34Hz- 150Hz (3dB) Maximum Amplifier Power

5、150 watts*, RMS, 500 watts peak, (20Hz - 150Hz with no more than 0.1% THD) Crossover Frequencies:50Hz - 150Hz, 24dB/octave, continuously variable Driver:10” (245mm) C.M.M.D. shielded DCR = 3.3 ohms 10% Dimensions (H x W x D):15 x 14-1/2 x 17 (381mm x 368mm x 432mm) Weight:47 lb (21.4kg) Each Infinit

6、y continually strives to update and improve existing products, as well as create new ones. The specifications and construction details in this and related Infinity publications are therefore subject to change without notice. Detailed Specifications Entra Subwoofer 4 Entra Subwoofer 5 Controls and Co

7、nnections Entra Subwoofer 6 Controls and Connections (Cont.) Entra Subwoofer 7 Operation Entra Subwoofer 8 MECHANICAL PARTS LIST 1SCREW, (16), #8 x .75, BLK, PB TRPH336806-001 AMPLIFIERNOT FOR SALE 2WOOFER, 10” (254mm)C.M.M.D. SHIELDED DCR = 3.3 ohms 10%336649-001 3GRILLE CUP (6)333249-001 4SCREW, (

8、6), #6 x .75, BLK, PB PPH903401-012 5GRILLE336454-001 6FRONT BAFFLE336452-001 7FOOT (4)330163-001 8PORT TUBE336806-001 PACKAGING 9OWNERS MANUAL336422-002 10WARRANTY CARD335841-001 11SURVEY CARD335868-002 12PAD, TOP, END (2)336457-001 13CARTON336458-001 Mechanical/Packaging Parts List Entra Subwoofer

9、 9 1 AMPLIFIER (NOT FOR SALE) PRE AMP PCB ASSEMBLY MAIN AMP ASSEMBLY POWER SUPPLY PCB ASSEMBLY 2 1 3 4 5 6 1 7 8 INFINITY ENTRA SUBWOOFER CABINET (NOT FOR SALE) 00470 TO SERVICE THE ENTRA SUBWOOFER 1) Remove the grille. 2) Extract (6) rubber grille retainers as shown in the illustration above; this

10、can be accomplished by carefully pulling them out of the cavities with long-nosed pliers or similar tool. 3) Remove the (6) Phllips screws that are now exposed. 4) Remove the front baffle. 5) Remove the (6) screws that secure the driver. 6) To service the amplifier, remove the (10) Phillips screws a

11、t the rear of the enclosure, and pull the amplifier out of the back. Remove the two Phillips screws as indicated in VIEW A to remove the rear cover. VIEW A REMOVE THESE SCREWS INFINITY SYSTEMS INC. NORTHRIDGE, CA, USA DIRECT DIRECT INPUT BYPASSES FILTER WARNI NG: TO REDUCE THE RI SK OF F I RE OR EL

12、ECT RI C SHOCK, DO NOT EXPOSE THI S APPL I ANCE T O RAI N OR MOI ST URE. AT TENT I ON: POUR VI T ER T OUT RI SQUE DE FEU OU CHOC L ECTRI QUE, NE PAS EXPOSER CET APPAREI L L A PL UI E OU L HUMI DI T. AMPLIFIER MADE IN CHINA R SERIAL NO. SPEAKER LEVEL INPUT _ + R L _ + R + _ OUTPUT L _ + LEVEL LINE IN

13、PUT WARNI NG: SHOCK HAZ ARD-DO NOT OPEN NO USER SERVI CEABL E PART S I NSI DE AVI S: RI SQUE DE CHOC L ECT RI QUE- NE PAS OUVRI R 120V 60Hz 3A OFF POWER ON FREQUENCY CROSSOVER MAXMIN 180 060 50 LEVELPHASE 80 150 120 R Exploded View Entra Subwoofer 10 Packaging 9 10 11 12 12 13 00472 Entra Subwoofer

14、11 SYSTEM AURAL SWEEP TEST Equipment needed: Function/signal generator/sweep generator Integrated Amplifier Multimeter Speaker cables General Unit Function (UUT = Unit Under Test) Switches/knobs on the amplifier faceplate: Crossover Frequency adjust full CW (150Hz) Phase switch either position 1.Fro

15、m the signal generator, Connect single line level input (RCA) cable to “Line Level Input” jack on UUT. 2.Turn the LEVEL control full counterclockwise (Min). 3.Turn on generator, adjust to 400mV, 30 Hz. 4.Plug in UUT; turn the power switch ON. Turn LEVEL control full clockwise (Max) 5.LED should now

16、be Green; immediate bass response should be heard and felt from rear port tube opening. 6.Turn off generator, turn LEVEL control fully counterclockwise (Min), disconnect RCA cable. 7.Connect two pairs of speaker cables to Speaker Level input terminal on UUT. Cables should be connected to an integrat

17、ed amplifier fed by the signal generator. Observe polarity. 8.Turn on generator and adjust so that speaker level input at the amplifier is 6.0V, 30 Hz. Turn LEVEL control full clockwise (Max) 9.Green LED should light, immediate bass response should be heard and felt from the port tube opening. Sweep

18、 Function 1.Follow steps 7-10 above, using a sweep generator as a signal source. 2.Sweep generator from 20Hz to 20kHz. Listen to the cabinet and drivers for any rattles, clicks, buzzes or any other noises. If any unusual noises are heard, remove woofer and test. Driver Function (Woofer) 1.Remove woo

19、fer from cabinet; detach + and - wire clips. See page 9 for removal instructions. 2.Check DC resistance of woofer; it should be 3.3 ohms10%. 3.Connect a pair of speaker cables to driver terminals. Cables should be connected to an integrated amplifier fed by a signal generator. Turn on generator and

20、adjust so that speaker level output is 5.0V. 4.Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or other unusual noises. Test Setup and Procedure SIGNAL GENERATOR AMPLIFIER AC VOLT METER (10V) ENTRA SUB UNDER TEST OUTPUT FROM GENERATOR/AMPLIFIER AMPLIFIER MADE IN CHINA I

21、NFINITY SYSTEMS INC. NORTHRIDGE, CA, USA R WARNING: SHOCK HAZARD-DO NOT OPEN NO USER SERVICEABLE PARTS INSIDE AVIS: RISQUE DE CHOC LECTRIQUE- NE PAS OUVRIR WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. ATTENTION: POUR VITER TOUT RISQUE DE FE

22、U OU CHOC LECTRIQUE, NE PAS EXPOSER CET APPAREIL LA PLUIE OU L HUMIDIT. SERIAL NO. OFFON 120V 60Hz 3A POWER R + _ + _ L OUTPUTINPUT DIRECT INPUT BYPASSES FILTER LEVEL 00473 R DIRECT + _ MIN + INPUT LINE LEVEL _ L 120 CROSSOVER 80 60 180 MAX 0 50150 PHASE FREQUENCY R SPEAKER LEVEL Entra Subwoofer 12

23、Electrical Parts List Part DescriptionDesignatorQuantity No. PRE AMP PCB ASSEMBLY Resistors 020-100498-120 CARBON FILM RESISTOR 1K 1/8W J R107,123,138 3 020-100598-120 CARBON FILM RESISTOR 10K 1/8W J R136,127,121,6 135,124,125 020-100698-120 CARBON FILM RESISTOR 100K 1/8W J R1331 020-110598-120 CARB

24、ON FILM RESISTOR 11K 1/8W J R1221 020-150598-120 CARBON FILM RESISTOR 15K 1/8W J R1181 020-180698-120 CARBON FILM RESISTOR 180K 1/8W J R1281 020-220698-120 CARBON FILM RESISTOR 220K 1/8W J R126,1292 020-330498-120 CARBON FILM RESISTOR 3K3 1/8W J R132,1342 020-750498-120 CARBON FILM RESISTOR 7K5 1/8W

25、 J R110,1122 021-100401-120 M.O.F. RESISTOR 1K 1W J MO-100R101,1022 021-100598-100METAL FILM RESISTOR 10K 1/8W F R1091 021-154598-100METAL FILM RESISTOR 15K4 1/8W F (MF)R1371 021-169598-100METAL FILM RESISTOR 16K9 1/8W F (MF) R1201 021-200698-100METAL FILM RESISTOR 200K 1/8W F R103,104,105,1064 021-

26、215598-100METAL FILM RESISTOR 21K5 1/8W F (MF) R1111 021-280498-100METAL FILM RESISTOR 2K8 1/8W F R130 1 021-442598-100METAL FILM RESISTOR 44K2 1/8W F R131 1 021-511498-100METAL FILM RESISTOR 5K11 1/8W F R116,117 2 Capacitors 030-100247-300CERAMIC CAPACITOR 0u1/50V Z P:5 C110,109,121,122,6 118,119 0

27、30-220223-300CERAMIC CAPACITOR 220P/50V K P:5 C105,106,1073 032-100243-301PE CAPACITOR 0u1/63V J P:5m/m C1141 032-220353-300PE CAPACITOR 0u22/63V J P:5m/m C104,1082 032-470353-303PE CAPACITOR 0u47/63V J P:5m/m C113,125,1233 034-100525-300ELEC. CAPACITOR 10uF/25V M (R) P:5C102,103,1203 034-100614-300

28、ELEC. CAPACITOR 100uF/16V M (R)2.5 C127,1282 034-100715-200ELEC. CAPACITOR PC 1000uF/16V M (R)P:5C1241 034-220515-300 ELEC. CAPACITOR PC 22uF/16V M (R) P:5 C1111 Semiconductors 050-414802-100DIODE 1N4148D101,102,103,5 104,109 050-505200-000LED P/N:UDC-5052W LEDD1101 051-101501-000TRANSISTOR PNP 2SA1

29、015GR TO-92Q102,1032 051-181502-000TRANSISTOR NPN 2SC1815GR TO-92 Q1011 053-007200-000IC TL072 CP DIP DUAL OP-AMPIC1021 053-007400-000IC TL074CN QUAD OP-AMPIC1011 053-455801-000I.C PC BA4558 (ROHM) DUAL OP-AMPIC1031 Entra Subwoofer 13 Electrical Parts List Part DescriptionDesignatorQuantity No. Misc

30、ellaneous 072-010058-000RCA JACK 2P P/N:052000W1G(Red,White)JK1011 074-030002-000TOGGLE SW P/N L101SW1011 083-031605-000CONNECTOR LEAD WIRE #26 L:60mm #18 L:70mmCN11 083-052618-000CONNECTOR LEAD WIRE EH2.5-7P+SCN2.5P+7CN1011 LEAD WIRE 026-200595-263 VR P/N:R1210G-2A1-B20Kx2 10% VR101 1 026-200595-26

31、4 VR P/N:R1210N-2A1-B20K 10% VR102 1 MAIN AMP ASSEMBLY Resistors 020-100398-120CARBON RESISTOR 100R 1/8W JR511,714,7193 020-100498-120CARBON RESISTOR 1K 1/8W JR506,721,507,7024 020-100598-120CARBON RESISTOR 10K 1/8W JR503,610,504,510,7 512,601,606 020-100698-120CARBON RESISTOR 100K 1/8W JR712,725,73

32、13 020-150498-120CARBON RESISTOR 1K5 1/8W JR713,718,7213 020-150598-120CARBON RESISTOR 15K 1/8W JR607,709,7113 020-220498-120CARBON RESISTOR 2K2 1/8W JR710,7422 020-220598-120CARBON RESISTOR 22K 1/8W JR502,508,701,7034 020-220698-120CARBON RESISTOR 220K 1/8W JR6031 020-270398-120CARBON RESISTOR 270R

33、 1/8W JR715,7172 020-270698-120CARBON RESISTOR 270K 1/8W JR6111 020-330297-120CARBON RESISTOR 33R 1/4W JR723,7242 020-390598-120CARBON RESISTOR 6 39K 1/8W JR7161 020-470498-120CARBON RESISTOR 4K7 1/8W JR6021 021-470597-120M.O.F. RESISTOR 47K 1/4W JR7281 020-470598-120CARBON RESISTOR 47K 1/8W JR505,6

34、04,6053 020-560398-120CARBON RESISTOR 560R 1/8W JR7431 021-100003-020M. O. F. RESISTOR 0R1 3WS JR734,7352 021-100201-121M. O. F. RESISTOR 10R 1W J MOR608,6092 021-100397-120M. O. F. RESISTOR 100R 1/4W JR726,7302 021-100401-120M. O. F. RESISTOR 1K 1W JR7391 021-100496-120M. O. F. RESISTOR 1K 1/2WR727

35、,7292 021-330498-120M. O. F. RESISTOR 3K3 1/8W JR7201 021-499698-100METAL FILM RESISTOR 499K 1/8W FR513,5092 021-680296-120M. O. F. RESISTOR 68R 1/2W JR732,7332 Capacitors 030-100264-300CERAMIC CAPACITOR 0u1/100V K NPOC718,707,708,7194 030-220223-300CERAMIC CAPACITOR 220P/50V K P:5C703,702,717,716 4

36、 030-220244-261CERAMIC CAPACITOR 22pF/50V J NPOC712,7132 030-470344-200CERAMIC CAPACITOR PC 470pF/50V 10C715,714,711,7104 Entra Subwoofer 14 Electrical Parts List (Cont.) Part DescriptionDesignatorQuantity No. 032-100393-300PE CAPACITOR 0u1/63V J P:5C606,607,601,7094 034-100515-301ELEC. CAPACITOR PC

37、 10uF/16V M (R)0511C701,7232 034-100615-301ELEC. CAPACITOR 100uF/16V M (R)0611C6051 034-100695-300ELEC. CAPACITOR 100uF/63V M (R)1012C720,7212 034-470415-300ELEC. CAPACITOR 4u7/50V M (R)0511 P:C501,6032 034-470515-000ELEC. CAPACITOR 47uF/16V M (R)0511C502,604,7043 035-220143-100PE CAPACITOR FE-M 0u0

38、022/63V J P:5m/mC6081 035-220243-100PE CAPACITOR FE-M 0u022/63V J P:5m/mC5031 Semiconductors 050-003000-100ZENER DIODE 30V HZ-30-2 05000881D8071 050-400201-100DIODE 1N4002 100V/1A TAPINGD710,711,601,6 717, 712, 806 050-414802-100DIODE 1N4148 D501,713,715,716,7 714,708,709 053-123700-100IC PC UPC 123

39、7HA LIMITERIC6011 053-455801-000I.C PC BA4558 (ROHM) OP-AMPIC501,7012 051-003100-000TRANSISTOR TIP 31C TO-220Q7071 051-003200-000TRANSISTOR TIP 32C TO-220Q7081 051-046900-000TRANSISTOR 4 BF469Q7041 051-047000-000TRANSISTOR BF470Q7031 051-066900-000TRANSISTOR 1 2SD669A (C class)Q7111 051-138600-000TR

40、ANSISTOR 2SA 1386(SANKEN) TO-3PQ7101 051-181500-000TRANSISTOR PC 2SC1815GRQ501,502,602,6034 051-351900-000TRANSISTOR 2SC 3519(SANKEN) TO-3PQ7091 051-540100-000TRANSISTOR 2N5401Q702,706,6013 051-555100-000TRANSISTOR 2N5551 TO-92Q701,7052 Miscellaneous 061-700011-101SLICON RUBBER PCS P/N:1877 110 x30m

41、m t=0.19mm1 072-040007-0007P WAFER SWA101 BC501 JS-1001-071 072-040039-000TERMINAL (PCB) PC205 (t=0.8m/m)T205MAJ6021 072-040041-000TERMINAL(PCB) T250MA (P/N 0635R-BL2)J6011 072-040206-000CONNECTOR P/N:3PIN JS-1001-4 P:2.5CON8021 073-014005-600BRACKET(LEFT SIDE) PCS 72x19m/m t=1mm1 073-014006-600BRAC

42、KET(RIGHT SIDE) PCS 72x19m/m t=1mm1 074-300004-000RELAY 48VDC P/N PCE-148D1HRLY6011 083-022547-000CONNECTOR WIRE #18 VH3.96+SCN2.5CN3021 025-050001-000VARISTOR TSA-104TH6011 Entra Subwoofer 15 Electrical Parts List (Cont.) Part DescriptionDesignatorQuantity No. POWER SUPPLY PCB ASSY Resistors 020-82

43、0497-120CARBON RESISTOR 8K2 1/4W JR301,3042 021-470301-120 MO RESISTOR 470R 1W J MB TYPE MO-100R303,3022 Capacitors 030-100264-300CERAMIC CAPACITOR 0u1/100V K NPO TAPINGC2,32 030-100295-201UL SAFETY CAPACITOR YS-SC103Z2 10000pF/400VC3091 034-220515-300ELEC. CAPACITOR PC,308 22uF/16V M (R)0511 C3071

44、034-220615-301ELEC.CAPACITOR 220uF/16V M (R)0611 P:5C305,3062 034-470763-301 ELEC.CAPACITOR 4700uF/63V M (R) 25*40C303,3042 Semiconductors 050-001500-000DIODE 15V 1/2W HZ15-3ZD301,3022 051-118900-100TRANSISTOR 2SD882P(TO-220)Q3011 051-677000-000TRANSISTOR 2SB772 (TO-220)Q3021 Miscellaneous 052-60200

45、0-000RECTIFY DIODE KBU8D(SUB-100W) 8A/200VBD21 072-040032-000WAFER 2 P:3.96 3P MALE VHCN301 073-032027-000HEAT SINK PCS 40 x24x2.0m/m1 083-021805-000LEAD WIRE #22 GND WIRE L:80mm 5TT+5TT1 083-022548-000LEAD WIRE #18 UL1015 PCS T187(t0.8)+ B1811T0P-22 083-031603-0004Px120mm CONNECTOR 1 LEAD WIRE #22

46、+5TTCN301 091-000130-000FUSE HOLDER PCS P/N:CQ-203SP2 093-105203-300FUSE:UL GSL(2AG) FUSE:3A,250V,5*20mmF3011 MISCELLANEOUS 005-009885-000GASKET 97.5x85x36cm1 005-033420-000STYROFOAM 335.0 x191.0 x65.0mm40 008-068701-000GASKET SM-55 GASKET 860.0 x5.0 t=2.0mm2 042-010042-000TRANSFORMER P/N:PT-17391 0

47、61-020000-000KNOB ABS HTS-10/20 p20 x15m/m UL94V-0 BLK2 061-314002-000CORD BUSHING P/N SB4F-21 061-800000-000TRANSISTOR COVER P/N:TW-12 062-050400-000PUSH TERMINAL 4P JK102A,JK102B P/N E4052 062-261313-000BUCKET(HI PS 94VO)304.8x177.8x124.2m/m BLK1 063-062512-000PLATE 304.8x177.8 t=2.5mm (SPCC)1 066

48、-120300-900CABLE TIE PCCV-120S3 070-000030-410SCREW TRANSFORMERx4,HEAT SINKx6 M4;4x10m/m BLK10 070-040010-210SCREW PC TRAN.x5,TH601x1,GROND WIREx1 PMS M3x10m/m BLK7 070-400010-206SCREW PCB VS BRACKETx4,BRACKET VS HEAT SINKx23x6m/m BLK6 070-400010-212SCREW 3x12m/m BLK1 070-400010-812SCREW RCA JACKx1

49、PTS-4 3x12 BLK1 Entra Subwoofer 16 071-060031-400NUT WITH GEAR TRANS FOR MERx2 K-NUT 4p2 071-100810-100FLAT WASHER PC TRANS FOR MERx4 ID=4.3 OD=9.5 t=0.8m/m4 071-140031-901GEAR WASHER BACK PANEL VS GROUND WIRE M3 BLK1 072-050002-000GROUND WASHER GROUND WIRE VS PANEL GND-11 073-032306-600HEAT SINK ALUM. 154x125x34mm1 074-020015-000ROCKER SW 125V/5A P/N:R19-33A(SPST)PIN LOCK TYPE1 083-041600-004AC CORD SPT-2 #16 12 FEET+5TT DOUBLE INSULATE1 Electrical Parts List (Cont.) Part DescriptionDesignatorQuantity No. Entra Subwoofer 17 Integrated