Infinity-PS28-ps-sm维修电路原理图.pdf

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1、 PS Series PS Series PS28 Subwoofer PS28 Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 3/2007 RadioFans.CN 收音机爱 好者资料库 - CONTENTS - BASIC SPECIFICATIONS .1 DETAILED SPECIFICATIONS.2 PACKAGING.4 CONTROLS AND CONNECTIONS.5 OPERATION.7 EXPLODED VIEW

2、/PARTS LIST .8 TEST SET UP AND PROCEDURE.9 BLOCK DIAGRAM.10 TROUBLESHOOTING FLOW CHART.12 ELECTRICAL PARTS LIST (120v) .13 PCB DRAWINGS.17 SEMICONDUCTOR PINOUTS.21 SCHEMATICS (120v).22 Basic Specifications PS28 Powered Subwoofer Frequency Response: 35Hz 150Hz (3dB) Maximum Amplifier Output: 150 Watt

3、s RMS (20Hz 150Hz, with 0.1% THD) 300 Watts Peak Crossover Frequency: 50Hz 150Hz, 24dB/octave, continuously variable Driver: 8 (200mm) Dimensions (H x W x D): 17-7/8 x 10-5/8 x 16-1/2 (454mm x 270mm x 419mm) Weight: 31.7 lb (14.4kg) Infinity continually strives to update and improve existing product

4、s, as well as create new ones. The specifications and construction details in this and related Infinity publications are therefore subject to change without notice. 1 PS series PS28 subwoofer RadioFans.CN 收音机爱 好者资料库 INFINITY PRIMUS PS28 150W Powered Sub/ Plate Amp LINE VOLTAGEYes/NoHi/Lo LineUnitNot

5、es US 120VAC/60HzYes108-132VrmsNormal Operation Europe 220-240VAC, 50-60HzYes220-230VrmsNormal Operation ParameterSpecificationUnitQA Test LimitsConditionsNotes Amp Section Type (Class AB, D, other)AB ABn/a120V modelExternal Sink required for Class AB Type (Class AB, D, other)GGn/a230V Model Rated L

6、oad Impedance 4Ohmsn/aNominal Impedance used for electrical measurements System average impedance8.79Ohmsn/aAverage impedance from 10 to 500Hz Voice coil DCR4.35Ohmsn/aReference Rated Output Power100Watts95Single input driven THD Rated Power0.5%122K filter THD 1 Watt0.1%0.322K filter DC Offset10mV-D

7、C50 Speaker Output Damping factor 10040 Measured at speaker terminals, Output power 90 Watts Dynamic power RMS125WattsReference AVG Power over the first 4 consecutive peaks, when tested with a burst siganl 3/20 at 50 Hz Highest RMS value 152WattsReference Input Sensitivity Input Frequency50Hz50Nomin

8、al Freq. Line Input (L turn the power switch ON. Turn LEVEL control full Clockwise (Max). 5. LED should now be Green; immediate bass response should be heard and felt from rear port tube opening. Sweep Function 1. Follow steps 1-5 above, using a sweep generator as a signal source. 2. Sweep generator

9、 from 20Hz to 1kHz. 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 woofer from cabinet; detach + and - wire clips. 2. Check DC resistance of woofer; it should be 4.4 oh

10、ms10%. 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 adjust so that speaker level output is 5.0V. 4. Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or othe

11、r unusual noises. PS series PS28 subwoofer 9 PS series PS28 subwoofer 10 PS series PS28 subwoofer 11 PS28 Troubleshooting Flow Chart no yes yes yes no yes yes LED red LED light green yes yes no yes yes no no yes yes yes no no yes yes yes no yes yes AMP no signal out DC voltage check Vcc Check+/-15VD

12、C LED light green or red Check Fuse,Transformer, D110, etc Check RY101,D102,Q113,Q114 etc Check Q107,Q108,Q105, Q106,Q103,Q104,U101,etc Check ,+VCC& -VCC DC voltage Check U101,Q115,Q116,R138 etc Check Q117,118,119,D109 etc Check,Q206,Q207,U203 etc Check U202 pin14 signal Check U201 pin14 signal Test

13、 R121,R122 signal Check P102 signal Amp assy is OK, Finish CheckU201,U202,VR201 VR202. etc Check J123,J124 etc Check limiter board C304 Check U301,R343,R344 , C340,Q301,Q302, etc Set R138 to R140S Voltage is 0.51VDC PS series PS28 subwoofer 12 PS 28 (120v) Electrical Parts List Part NumberDescriptio

14、nQtyReference Designator PREAMP PCB Resistors 110-14122j26-e Resistor 1.2K 1/4W 5% CF 26mm (RoHS)1R270 110-16102j26-e Resistor 1K 1/6W 5% CF 26mm (RoHS)5R213,R214,R215,R254,R253 110-16103j26-e Resistor 10K 1/6W 5% CF 26mm (RoHS)12 R212,R216,R217,R220,R221,R222,R225,R226,R228, R232,R235,R240 110-1610

15、4j26-e Resistor 100K 1/6W 5% CF 26mm (RoHS)2R231,R266 110-16105j26-e Resistor 1M 1/6W 5% CF 26mm (RoHS)2R259 110-16123j26-e Resistor 12K 1/6W 5% CF 26mm (RoHS)1R227 110-16183j26-e Resistor 18K 1/6W 5% CF 26mm (RoHS)1R262 110-16205j26-e Resistor 2M 1/6W 5% CF 26mm (RoHS)1R257 110-16223j26-e Resistor

16、22K 1/6W 5% CF 26mm (RoHS)4R238,R250,R255,R233 110-16224j26-e Resistor 220K 1/6W 5% CF 26mm (RoHS)1R251 110-16273j26-e Resistor 27K 1/6W 5% CF 26mm (RoHS)1R237 110-16333j26-e Resistor 33K 1/6W 5% CF 26mm (RoHS)1R249 110-16472j26-e Resistor 4.7K 1/6W 5% CF 26mm (RoHS)4R200,R207,R258,R260 110-16473j26

17、-e Resistor 47K 1/6W 5% CF 26mm (RoHS)1R219 110-16474j26-e Resistor 470K 1/6W 5% CF 26mm (RoHS)1R252 110-16512j26-e Resistor 5.1K 1/6W 5% CF 26mm (RoHS)3R211,R229,R230 110-16562j26-e Resistor 5.6K 1/6W 5% CF 26mm (RoHS)1R224 116-164531f26-e metal filmResistor 4.53K 1/6W 1% MF26mm (RoHS)1R223 116-164

18、991f26-e metal filmResistor 4.99K 1/6W 1% MF26mm (RoHS)1R234 115-h203b208-e horizon variable Resistor B20K (RoHS) CROSSOVER1VR202, 115-h503a104-e horizon variable Resistor D16 50K/1 A (RoHS) LEVEL1VR201, Capacitors 129-a224j633-e metalize CAP. 0.22uF 63V 5% MSC (RoHS)1C218 129-a564j633-e metalize CA

19、P. 0.56uF 63V 5% (RoHS)1C216 130-2b221k503-e disc capacitor 220P 50V 10% (RoHS) 9C207,C208,C210,C211,C212,C214,C220,C230,C249 130-3f104z503-e disc capacitor 0.1U 50V +80/-20% (RoHS)7C232,C242,C244,C245,C246,C252,C254 130-ch220k503-e disc capacitor 22PF CH 50V10% (RoHS)1C229 130-2b220k503-edisc capac

20、itor22P 50V +/-10% (RoHS) 1C229 132-103j503-e Mylar capacitor 0.01uF 50V 5% (RoHS)2C223,C224 132-104j503-e Mylar capacitor 0.1U 50V 5% (RoHS) 2C215,C217 135-3105m50-e electrolytic CAP. 1U 50V 20% (RoHS)1C228 135-3106m50-e electrolytic CAP. 10uF 50V 20% (RoHS)7C206,C213,C231,C241,C243,C251,C253 135-3

21、107m16-e electrolytic CAP. 100uF 16V 20% (RoHS)2C233,C234 135-3225m50-e electrolytic CAP. 2.2U 50V 20% (RoHS)1C219 135-3226m50-e electrolytic CAP. 22U 50V 20% (RoHS) 1C225 129-a474j633-e metalize capacitor 0.47U 63V 5% MSC (RoHS)2C221,C222, Semiconductors 192-027c1815gr-e transistor 2SC1815GR TOSHIB

22、A (RoHS) NPN2Q206,Q207 197-031n4148-e diode 100mA 75V SIGNAL 1N4148ROHM (RoHS)7D201,D202,D207,D208,D211,D212,D214 199-15000515-e zener diode 5.1V 1/2W 52mm (RoHS) 1D213 190-06m4558d-e IC OPA 4558 DUAL OP-AMP2U101,U203, 190-16tl074cn-e I .C TL074cm st QUAD OP-AMP2U201,U202, 195-10204hgw-e double colo

23、rs LED 204HGW 3(RoHS)1LED1 Miscellaneous 162-50259201-e WIRE ASSY 2 PIN 250mm white/red(RoHS)1TO LED1, 174-0rca326p-e JACK RCA-326 (RoHS)1JK202, 180-tms7210v-e SWITCH SLIDE 6PIN MS7210V(RoHS) PHASE1SW301, JUMPER WIRE 26mm (RoHS)30ALL J,D215,D216 13 PS series PS28 subwoofer Part NumberDescriptionQtyR

24、eference Designator POWER/MAIN PCB Resistors 110-14472j26-e Resistor 4.7K 1/4W 5% CF 26mm (RoHS)2R147,R150 110-14681j26-e Resistor 680 1/4W 5% CF 26mm (RoHS)2R148,R151 110-16101j26-e Resistor 100 1/6W 5% CF 26mm (RoHS)1R120 110-16102j26-e Resistor 1K 1/6W 5% CF 26mm (RoHS)1R124 110-16103j26-e Resist

25、or 10K 1/6W 5% CF 26mm (RoHS)1R134 110-16105j26-e Resistor 1M 1/6W 5% CF 26mm (RoHS)1R143 110-16123j26-e Resistor 12K 1/6W 5% CF 26mm (RoHS)2R135,R139 110-16152j26-e Resistor 1.5K 1/6W 5% CF 26mm (RoHS)6R103,R123,R136,R137,R141,R142 110-16153j26-e Resistor 15K 1/6W 5% CF 26mm (RoHS)4R118,R145,R152,R

26、154 110-16154j26-e Resistor 150K 1/6W 5% CF 26mm (RoHS)1R131 110-16181j26-e Resistor 180 1/6W 5% CF 26mm (RoHS)2R111,R114 110-16182j26-e Resistor 1.8K 1/6W 5% CF 26mm (RoHS)1R153 110-16223j26-e Resistor 22K 1/6W 5% CF 26mm (RoHS)3R128,R129,R133 110-16332j26-e Resistor 3.3K 1/6W 5% CF 26mm (RoHS)3R10

27、6,R107,R144 110-16392j26-e Resistor 3.9K 1/6W 5% CF 26mm (RoHS)2R105,R108 110-16393j26-e Resistor 39K 1/6W 5% CF 26mm (RoHS)1R126 110-16470j26-e Resistor 47 1/6W 5% CF 26mm (RoHS)4R112,R113,R115,R116 110-16471j26-e Resistor 470 1/6W 5% CF 26mm (RoHS)1R140 110-16472j26-e Resistor 4.7K 1/6W 5% CF 26mm

28、 (RoHS)3R110,R125,R130 110-16473j26-e Resistor 47K 1/6W 5% CF 26mm (RoHS)1R101 110-16560j26-e Resistor 56 1/6W 5% CF 26mm (RoHS)1R117 110-16563j26-e Resistor 56K 1/6W 5% CF 26mm (RoHS)1R104 110-16682j26-e Resistor 6.8K 1/6W 5% CF 26mm(RoHS)1R109 110-10821jk2-e Resistor 820 1W 5% 10mm (RoHS)1R132, 11

29、0-122r2j15-e Resistor 2.2 1/2W 5% 15mm (RoHS)1R127, 110-20331jk2-e Resistor 330 2W 5% 5mm (RoHS)1R146, 110-20331jk3-e Resistor 330 2W 5% (RoHS)1R149, 113-50r10j10-e cement Resistor 0.1 5W 5% (RoHS)2R121,R122, 114-03302m0-e semi-fixed Resistor 3K 0.3W 20% (RoHS)1R138, Capacitors 130-2b102k503-e disc

30、capacitor 1000P 50V 10% (RoHS) 1C116 130-3f104z503-e disc capacitor 0.1U 50V +80/-20% (RoHS)4C108,C113,C115,C119 130-3f473m503-e disc capacitor 0.047U 50V 20% (RoHS)1C106 132-104j503-e Mylar capacitor 0.1U 50V 5% (RoHS) 1C107 132-223ja03-e Mylar capacitor 0.022uF 100V 5% (RoHS)4C124,C125,C126,C128 1

31、35-3105m50-e electrolytic CAP. 1U 50V 20% (RoHS)2C105,C112 135-3107m16-e electrolytic CAP. 100uF 16V 20% (RoHS)3C109,C117,C120 135-3226m50-e electrolytic CAP. 22U 50V 20% (RoHS) 2C114,C118 135-3227m10-e electrolytic CAP. 220U 10V 20% (RoHS)2C129,C130 135-3227m16-e electrolytic CAP. 220U 16V 20% (RoH

32、S)1C111 135-3476m25-e electrolytic CAP. 47U 25V 20% (RoHS) 1C103 132-223ja03-e mylar capacitor 0.022uF 100V 5% (RoHS)2C123,C127, 135-3107m16-e electrolytic CAP. 100uF 16V 20% (RoHS)1C110, 135-4688m50-e electrolytic CAP. 6800U/50V 20% D25X45mm (RoHS)2C121,C122, Semiconductors 192-027c1815gr-e transis

33、tor 2SC1815GR TOSHIBA(RoHS)7Q102,Q111,Q112,Q113,Q118,Q114,Q116 192-1572n5551-e transistor FSC 2N5551 (RoHS) NPN 2Q103,Q109 192-1582n5401-e transistor FSC 2N5401 AI-PNP 350V500mA TO-92 (RoHS)2Q104,Q110 197-031n4148-e diode 100mA 75V SIGNAL 1N4148ROHM (RoHS)6D101,D103,D105,D108,D117,D118 199-15000335-

34、e zener diode 3.3V 1/2W 52mm (RoHS) 1D102 199-15000625-e zener diode HZ6C2 RENESAS (RoHS) 2D106,D107 199-15001605-e zener diode HZ16-2 RENESAS (RoHS) 1D109 190-06m4558d-e IC OPA 4558 DUAL OP-AMP2U101,U203, 192-021tip35c-e transistor TIP35C (RoHS) NPN 1Q107, 192-022tip36c-e transistor TIP36C (RoHS) P

35、NP1Q108, 14 PS series PS28 subwoofer Part NumberDescriptionQtyReference Designator POWER/MAIN PCB 192-027c1815gr-e transistor 2SC1815GR TOSHIBA(RoHS) NPN 2Q101,Q115, 192-201d882y-e transistor KSD882Y (RoHS) PNP1Q117, 192-202b772y-e transistor KSB772Y (RoHS) PNP 1Q119, 192-991d669a-e transistor HI-SI

36、NCERITY HSD669A (RoHS) NPN 1Q106, 192-992b649t-e transistor HSB649T (RoHS) PNP 1Q105, 197-00kbl405-e diode 4A 500V KBL405 (RoHS)1D110, 197-031n4148-e diode 100mA 75V SIGNAL 1N4148 ROHM (RoHS)1D116, 197-101n4002-e diode 1N4002TB (RoHS)1D104, Miscellaneous 171-udhss124d-e relay 5A 24V UDH-SS124D (RoHS

37、)1RY101, 175-1c07v01-e wire connector & base 7PIN PITCH=2.5mm (RoHS)1P101, 175-1d02v01-e wire connector & base 2PIN PITCH=3.96mm (RoHS)1P102, 175-1d03v01-e wire connector & base 3 PIN PITCH=3.96mm JST-VH cut off the middle PIN (RoHS) 1P103, 193-3m2520-e insulator TO-3P 25x20mm (RoHS)2for Q107,Q108,

38、323-AL-00020-0LAE HEAT SINK 65*32*31 AL 1 351-AM03014A094-E M3*14 machine screw black (RoHS)1 352-AM03008D040-E 3*8 B type ping screw black (RoHS)4 361-FE-00051-0LAE transistor holder 14.2*8.0*5.2t=1.6mm (RoHS)1 361-NYL-00054-0LAE transistor insulator pad (SW06002) (RoHS)2 362-FE-00041-0LAE PCB supp

39、ort 11.75*8.5*12.5H(RoHS)1 LIMITER PCB Resistors 110-16103j26-e Resistor 10K 1/6W 5% CF 26mm (RoHS)1 back 116-161132f26-e metal filmResistor 11.3K 1/6W 1% MF 26mm (RoHS)1 back 110-16103j26-eResistor 10K 1/6W 5% CF 26mm (RoHS)8R301,R303,R304,R308,R309,R314,R340,R344 110-16183j26-eResistor 18K 1/6W 5%

40、 CF 26mm (RoHS) 1R302 110-16223j26-eResistor 22K 1/6W 5% CF 26mm (RoHS)2R310,R312 110-16273j26-eResistor 27K 1/6W 5% CF 26mm(RoHS) 1R341 110-16333j26-eResistor 33K 1/6W 5% CF 26mm(RoHS)1R305 110-16472j26-eResistor 4.7K 1/6W 5% CF 26mm (RoHS) 2R342,R343 110-16474j26-eResistor 470K 1/6W 5% CF 26mm (Ro

41、HS) 1R307 110-16751j26-eResistor 750 1/6W 5% CF 26mm(RoHS) 2R311,R313 Capacitors 130-3f104z503-edisc capacitor 0.1U 50V +80/-20% (RoHS) 2C305,C306 132-103j503-emylar capacitor 0.01uF 50V 5% (RoHS) 2C302,C303 135-3226m50-eelectrolytic CAP. 22U 50V 20% (RoHS) 2C301,C340 135-3476m25-eelectrolytic CAP.

42、47U 25V 20% (RoHS)1C304 Semiconductors 190-16tl074cn-e I .C TL074cm st QUAD OP-AMP1U301, 197-031n4148-e diode 100mA 75V SIGNAL 1N4148 ROHM (RoHS)1 back 192-027c1815gr-etransistor 2SC1815GR TOSHIBA (RoHS) NPN2Q301,Q302 197-031n4148-ediode 100mA 75V SIGNAL 1N4148ROHM (RoHS)2D301,D302 Miscellaneous 162

43、-50289001-e CABLE ASSY 280mm AWG26 WHT (RoHS)1 162-80098201-e 90mm 28AWG (RoHS)1to SW301, 175-9f40hr2-e wire connector & base 40PIN PITCH=2.54mm HR2*40 (RoHS) P301, 15 PS series PS28 subwoofer Part NumberDescriptionQtyReference Designator MISCELLANEOUS/MECHANICAL 123-14j70d-eFerrite Core U-16.3*8.2*

44、13 (J70)+CASE (RoHS)1 130-3f472md00-edisc capacitor 4700P 400V 20% safy long foot (RoHS)1 150-e8604107-etransformer EI-86 60Hz 120V TT08699065801T1 152-u602015-e power line cord polar SVT FT-2 6FT double insulation (RoHS) 1 154-u25006t0-e fuse 2.5A 250V 20mm (RoHS)1FS101, 155-520020-e fuse holder R3

45、-11 (RoHS)1 162-10151001-eWIRE UL1617 150mm 22AWG BROWN 6:6 (RoHS)1 162-50652003-eWIRE 650mm RED=205# 0.5T BLK=110# 0.5T (RoHS)1 176-wjce1-ewire connector pin CE-1 (RoHS)1 180-prf1003s-epower switch ROCK RF-1003-BB2-OHA (RoHS) 1SW100 302-AL-00406-1BDErear board 300*200*2.5T black (RoHS)1 306-ABS-001

46、77-0BAE rear housing 198*298*102mm (RoHS)1 311-ABS-00028-0BAE knob CROSSOVER,LEVEL 46077-W P.V.C. (RoHS) 2 320-RUB-00033-0BAE rubber foot pad 25*21*4t (RoHS)4 323-AL-00106-0BBEHEAT SINK 117.5*71.5*25 black (RoHS)1 333-EVA-00761-0BAE Gasket 18*9*2T (RoHS)1 333-EVA-00783-0BAE Gasket W 198*12*2.0T2 333

47、-EVA-00807-0BAE Gasket L 274*12*2.0T (RoHS)2 333-EVA-00826-0BAE Gasket W 198*12*1.0T (RoHS)2 333-EVA-00835-0BAE Gasket L 274*12*1.0T (RoHS)2 335-NYL-05015-0BAE wire clip SB4F-2 black (RoHS)2 337-CU-00101-0LAEmetal foil 65L*50W (RoHS)1 350-EM04012D024-E 4*12 wood screw black (RoHS)4 351-AM03008A079-EM3*8 machine screw black (RoHS)7 351-HM04016A218-E M4*16 machine screw black(RoHS)4 352-AM03008D040-E 3*8 B type ping screw black (RoHS)8 352-AM03010D065-E 3*10 P type ping screw black(RoHS)2 354-GM04002-EM4 screw cap adding pad black(RoHS)4 362-FE-0001