JBL-BTX250-pwr-sm 电路图维修手册.pdf

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1、Service Manual BTX250 250mm subwoofer and 250mm passive radiator combined with a 100W RMS amplifier housed in a specific enclosure, all carefully engineered to work together as a unique, integrated system. 12 dB/octave electronic low pass filter with selectable 40Hz-120Hz crossover frequency for pre

2、cise frequency division to match any system Variable Bass Boost for up to 6dB more level at 50Hz Line-level and speaker-level Inputs to integrate seamlessly with virtually any factory-installed head unit Variable input sensitivity for compatibility with all source units and factory head units Effect

3、ive protection circuitry against short circuit, overheating and over-current High-quality power, input and output connectors for clean, tight, long-lasting connections Power-On indicator led for visible indication of amplifier status Specifications Dynamic Range: CD: 100W RMS Power Handling: 300W Ma

4、x Power Handling: 20Hz - 160Hz Frequency Response: 40 - 120Hz Active Crossover: 4 Ohms Impedance: 0 - 180 Phase control: 0 to +6dB 40Hz Dimensions (H x W x D): 625 x 320 x 315 mm RadioFans.CN 收音机爱好者资料库 August 02 RadioFans.CN 收音机爱好者资料库 RadioFans.CN 收音机爱好者资料库 POSITEM NO.DESCRIPTIONQTY ASYJBL50PCB A

5、SSY AMP JBL50 1 027112092 PCBCSA50 POWER 112X92MM PCB Blank1 Q1,Q3,Q4,Q6,Q7,Q8,Q103,Q104 122SA1015 TRANSISTORTOSHIBA 2SA1015 250MA 60V 0.4W8 Q2,Q5,Q101,Q102,Q112 122SC1815 TRANSISTOR TOSHIBA 2SC1815 250MA 60V 0.4W5 Q13,QM1 123T0K30A TRANSISTOR MOS K30A (T0-92) 2 Q11,Q12 123TRFZ44 TRANSISTORIR IRFZ44

6、V 60V 55A 115W 2 Q106 124T0SA06 TRANSISTORTR MOTOROLA MPSA06 N 0.5A 80V 1 Q107 124T0SA13 TRANSISTORTR MOTOROLA MPSA13 N 0.5A 30V 1 Q105 124T0SA56 TRANSISTORTR MOTOROLA MPSA56 P 0.5A 80V 1 Q110 128TTI35C TRANSISTORTR SGS OR TI TIP35C N 25A 1 Q111 128TTI36C TRANSISTORTR SGS OR TI TIP36C P 25A 100V1 Q1

7、09 129TB647A TRANSISTORTR HITACHI 2SB647AC 100V 1A 1 Q108 129TD667A TRANSISTORTR HITACHI 2SD667AC 100V 1A 1 D2,D3,D4,D5,D8,D9 131TN4148 DIODE NS 1N4148 HSS 150MA 100V 52MM 6 ZD1,ZD2 133T0015B ZENER DIODENEC RD15EB3 ZNR 0.5W 15V 52MM 2 D1 134TN5402 RECTIFYING DIODE1N5402 RET 3.0A 100V 1 D7 136T1220A

8、FAST RECOVER RECTIFIERF12C20A 12A 200V (TO220) 1 D6 136T1220C FAST RECOVER RECTIFIERF12C20C 12A 200V (TO220) 1 U1 158TTL494 IC DIP16 NEC UPC494 OR TI TL494 1 L1 174114005 INDUCTANCEDIOX30 D=2.1 5.0UH(VERTICAL TYPE)1 T1 181T02804 POWER TRANSFORMERJBL-50 28 6:16 VARNISH T28041 R33 220440101 RESISTOR C

9、ARBON CR 1/4W 100 J 1 R30 220440242 RESISTOR CARBON CR 1/4W 2.4K J 1 R10 220880100 RESISTOR CARBON CR 1/6W 10 J 1 R5,R25,R26,R104,R105,R111,R112 220880101 RESISTOR CARBON CR 1/6W 100 J 7 R12,R19,R20,R21,R22,R113,R122 220880102 RESISTOR CARBON CR 1/6W 1K J 7 R1,R8,R9,R28,R102,R124,RM1 220880103 RESIS

10、TOR CARBON CR 1/6W 10K J 7 R125 220880133 RESISTOR CARBON CR 1/6W 13K J 1 R18 220880153 RESISTORCARBON CR 1/6W 15K J 1 POWER AMP BTX-250 SPARE PARTS POSITEM NO.DESCRIPTIONQTY R11 220880201 RESISTOR CARBON CR 1/6W 200 J 1 R118 220880221 RESISTORCARBON CR 1/6W 220 J 1 R16,R101,R121,R123 220880222 RESI

11、STORCARBON CR 1/6W 2.2K J 4 R107,R110 220880272 RESISTOR CARBON CR 1/6W 2.7K J 2 R15 220880273 RESISTOR CARBON CR 1/6W 27K OHM J 1 R114 220880302 RESISTORCARBON CR 1/6W 3K OHM J 1 R14,R17 220880333 RESISTOR CARBON CR 1/6W 33K J 2 R115 220880432 RESISTOR CARBON CR 1/6W 4.3K J 1 R116,R117 220880470 RE

12、SISTOR CARBON CR 1/6W 47 J 2 R2,R3,R4,R6,R7,R13 220880472 RESISTOR CARBON CR 1/6W 4.7K J 6 R108,R109 220880512 RESISTORCARBON CR 1/6W 5.1K J 2 R103,R106 220880681 RESISTORCARBON CR 1/6W 680 J 2 R27 220880683 RESISTORCARBON CR 1/6W 68K J 1 R29 231100220 RESISTOR METAL MO 1W 22 J 1 R31,R32 231100681 R

13、ESISTOR METAL MO 1W 680 J 2 R119,R120 23251001A CEMENT TYPE RESISTOR SQM 5W 0.1 (VERTICAL TYPE)2 RT 261T05103 THERMISTORNTC THERMISTOR D103J 10K 1 C102,C107,C109 31JT10105 C/C C/C NPO 100PF/50V J 3 C13 31JT68125 C/CC/C Y5E 680PF/250V K 1 C1,C4,C8,C105,C110 31ZT10410 C/C C/C 0.1U/100V Z 5 C108 32JT10

14、410 M/C M/C 0.1UF/100V J (MINISIZE) 1 C10 32JT68210 M/C M/C 0.0068UF/100V J 1 C5,C9,C12,C18,C19,C22 340T10625 E/C 10UF/25V 5*11 +20-10% 6 C7,C11,C21,C106 340T10725 E/C100UF/25V 6*11 +20-10% 4 C14,C15 340T22851 E/C2200UF/50V 16*32 +20-10%2 C103,C104 340T33725 E/C 330UF/25V 8*14 +20-10% 2 C101 340T475

15、50 E/C4.7UF/50V 5*11 +20-10% 1 C6 340T47625 E/C47UF/25V 5*11 +20-10% 1 C3 341T22835 E/C2200UF/35V 18*27 105 1 J1,J2,J3,J4,J5,J6,J7,J8,J9,J10,J11,J12,C20,JP14 400T06520 JUMP WIRE JUMP 0.6*52MM 14 POWER AMP POSITEM NO.DESCRIPTIONQTY 830062181 MICA SEGMENT3*4.5 (HOLE) 62*18mm T=0.1mm1 862T00100 FIBER T

16、UBE(1000MM) 1 0,04 865T00080 CABLE TIE100MM YJ-100 1 178311908 HIGH FREQUENCY CORE31*19*8MM 1 POSITEM NO.DESCRIPTIONQTY ASYJBL50P JBL50 PRE CAR SUBWOOFER AMP 1 027152065 PCB JBL50 PRE 152X64MM PCB 94-V0 1 LED 137T03G00 LEDLED 3MM GREEN1 U1,U2,U3,U4 151T04558 IC SIP8 ROHM BA4558N4 SW1 197T04212 SLIDE

17、 SWITCH4P2T SS001-P242P PA12 1 VR202,VR204 202T15203 VR16T1-2D8 (SINGLE)B20K L=15MM2 VR206 203T15203 VR16T1-2D8-B20K L=15MM1 RH1,RH2,RH3,RH4 22022047A RESISTORCARBON CR 1/2W 4.7 J 4 R213,R214,R222 220880102 RESISTORCARBON CR 1/6W 1K J 3 RH7,RH8,RH9,RH10,R216,R224,R225,R226,R227,R228 220880103 RESIST

18、ORCARBON CR 1/6W 10K J 10 R209,R210 220880104 RESISTORCARBON CR 1/6W 100K J 2 R219 220880124 RESISTORCARBON CR 1/6W 120K J 1 R205,R206 220880153 RESISTORCARBON CR 1/6W 15K J 2 R221 220880202 RESISTORCARBON CR 1/6W 2K J 1 R220 220880222 RESISTORCARBON CR 1/6W 2.2K J 1 R207,R208,R217 220880223 RESISTO

19、RCARBON CR 1/6W 22K J 3 R215 220880224 RESISTORCARBON CR 1/6W 220K J 1 R203,R204,R218 220880273 RESISTORCARBON CR 1/6W 27K OHM J 3 R201,R202 220880472 RESISTORCARBON CR 1/6W 4.7K J 2 R223 220880473 RESISTORCARBON CR 1/6W 47K J 1 RH5,RH6 231100101 RESISTORMETAL MO 1W 100 OHM J 2 C1,C2,C3,C4,C203,C204

20、,C205,C208 31JT10105 C/CC/C NPO 100PF/50V J 8 C201,C202 31KT10205 C/CC/C Y5P 1000PF/50V K 2 CH1,CH2 340T10725 E/C100UF/25V 6*11 +20-10% 2 PRE AMP POWER AMP POSITEM NO.DESCRIPTIONQTY C210,C211 391T63334 MET CAPACITOR(BOX) 0.33U/63V J MEMB2 C212 391T63823 MET CAPACITOR(BOX) 0.082U/63V J MEMB1 J101 400

21、T06520 JUMP WIREJUMP 0.6*52MM 1 J2 522TMP993 RCA SOCKET RED/WHITE 2P GOLD YLR-1009-3161 J1 531T42004 TERMINAL4P SOCKET P=4.2MM 1 JK101 571T15006 CONNECTOR W/WIRE6P CONNECTOR W/WIRE 150MM 5MM 1 862T00100 FIBER TUBE(1000MM) 1 0,02 C7 31JT22105 C/C C/C Y5E 220PF/50V J 1 C9 31JT47105 C/CC/C Y5E 470PF/50

22、V K 1 C5,C6 31JT47005 C/CC/C NPO 47PF/50V J 2 C8 31KT10305 C/CC/C Y5P 0.01UF/50V K 1 C10 31ZT10410 C/CC/C 0.1U/100V Z 1 POSITEM NO.DESCRIPTIONQTY 445T00002 FUSE SOCKETEXTERIOR FIXED (047-519) 1 541T30203 TERMINAL STANDER3P PLATE WITH GOLD VERTICAL TYPE P=11mm1 554T18270 UL HEAT-RESISTANT WIRE18AWG 2

23、70MM T=10*2 YELLOW 1015# 1 560016270 UL HEAT-RESISTANT WIRE16AWG 270MM T1=5 T2=10 BLACK 1015#1 560216270 UL HEAT-RESISTANT WIRE16AWG 270MM T1=5 T2=10 RED 1015#1 571T30004 CONNECTOR W/WIRE4P CONNECTOR W/WIRE 300MM 1007 20AWG1 571260013 CONNECTOR W/WIRE2P 1015#18AWG 600MM WITH 205#110#1 620112100 ASSI

24、STANT HEATSINKWHITE ALUMINUM 112X100X36 T=3 1 621T15040 RADIATOR LAYER1 HOLE 1.5*15*38MM1 623T15061 RADIATOR LAYER3 HOLE 1.5*15*60MM1 630150280 HEATSINK PLATE 150*280 ALIMINUM EXTRACT1 711T12688 SCREWPMS 2.6*8 MM2 711T13065 SCREWPMS 3*6 MM ANODIZE BLACK2 711T13108 SCREWPMS 3*10 MM4 711T14108 SCREWPM

25、S 4*10 MM2 711T14145 SCREW PMS M4*14 MM ANODIZE BLACK4 PRE AMP Miscellaneous POSITEM NO.DESCRIPTIONQTY 721T33128 SCREW3*12MM1 761T03501 WASHER3.5 ANODIZE BLACK2 771TH0518 PCB FIXERCOPPER 5*18X12MM2 771TH5085 PCB FIXERCOPPER 5X8.5X5MM4 811T12007 KNOBFOR M-40003 812T10000 WIRE FIXERL=50MM D=4.2MM BLAC

26、K1 843T03310 SPONGECSA-25 EVA 33*10*21 842215016 SPONGEJBL-50 EVA20150*16*32 842225115 SPONGEJBL-50 EVA20250*16*32 843T14961 SPONGEEVA 152*64*141 843T51010 SPONGE PAD10*10*5 MM 1 843T62296 FIBER SPACER24X11.6X1 MM FOR CSA1 560216120 UL HEAT-RESISTANT WIRE16AWG 120MM T1=5 T2=10 RED 1015#1 861T50000 S

27、HRINK TUBED=6MM (1000MM) BLACK0,09 865T00080 CABLE TIE100MM YJ-100 3 955T10000 STICKER 45X9 CE STICKER(SILVER SER.NO. B.) 1 021103344 PCB JBL50SP 33*44.5mmT=1.6 94V0 1 341T22835 E/C2200UF/35V 18*27 105 1 562024080 UL HEAT-RESISTANT WIRE24AWG 80MM T=10MMX2 BLACK 1007# 1 178281709 HIGH FREQUENCY CORE2

28、8.5*17.5*9.5mm 1 31KT10305 C/CC/C Y5P 0.01UF/50V K 1 31ZT10410 C/CC/C 0.1U/100V Z 1 Miscellaneous 12345678 A B C D 87654321 D C B A + 1 - 2 FED 3 DT 4 C 5 R 6 GND 7 OP1 8 + 16 - 15 REF 14 CON 13 VCC 12 OP2 11 E2 10 E1 9 TL494CNU1 R15 27K R16 2.2K C10 682/M C11 100/25V Q4 A1015 Q3 A1015 R10 10 R8 10K

29、 R9 10K C21 100/25V RT 10K C7 100/25V R7 4.7K R6 4.7K C6 47/25V Q5 C1815 Q6 A1015 D3 4148 C8 104/C R11 200 R12 1K R13 4.7K R14 33K R17 33K R18 15K C12 10/25V C9 10/25V T1 6:16(D28) C13 681/C R29 22/1W D6 F12C20C C14 2200/50V C15 2200/50V Q2 C1815 R1 10K R2 4.7K R5 100 R3 4.7K R4 4.7K C5 10/25V L1 5u

30、H D1 1N5402 F1 15A 1 2 3 CN01 D2 4148 D7 F12C20A PRO +VCC -VCC MUTE +VCC Q11 R25 100 Q12 R26 100 Q7 A1015 Q8 A1015 R21 1K R22 1K D4 4148 D5 4148 R19 1K R20 1K C4 104/C C3 2200/35V Q1 A1015 PGND REM +12V C1 104/C R33 100/1/4W C20 473/C R30 2.4K/1/4W LED GREEN +VCC +VCC -VCC R31 680/1W R32 680/1W C18

31、10/25V C19 10/25V +15V -15V Q7Q8 IRFZ46N ZD1 15V ZD2 15V Q13 K30A D9 1N4148 D8 1N4148 R27 68K R28 10K C22 10/25V MODEL:JBL-50 1234 A B C D 4321 D C B A U1A BA4558 C203 100/C R207 22K R203 27K R201 4.7K C201 102/C LIN J1A R205 15K R213 1K HI-LIN J2A RH5 100/1W R209 100K U1B BA4558 C204 100/C R208 22K

32、 R204 27K R202 4.7K C202 102/C RIN J1A R206 15K R214 1K HI-RIN J2A VR201 B20K U2A BA4558 R215 220K R216 10K R217 22K C205 100/C C206 104/B C207 104/B R218 27K U2B BA4558 R219 120K R224 10K R225 10K U4B BA4558 U4A BA4558 R226 10K R227 10K R228 10K SW201 SIN RH1 4.7/1/2W RH3 4.7/1/2W RH7 10K RH9 10K R

33、H6 100/1W R210 100K RH2 4.7/1/2W RH4 4.7/1/2W RH8 10K RH10 10K CH2 100/25V CH1 100/25V VR203B V20K VR203A V20K C211 334/B C212 823/B R220 2.2K U3A BA4558 R221 20K VR202 C500K C208 100/C C209 0.047 C210 0.022B U3B BA4558 R222 20K R223 47K JBL50P 1234 A B C D 4321 D C B A Q101 C1815 Q102 C1815 R04 100

34、 R111 100 R108 5.1K R107 2.7K R103 680 +15V C103 330/25V Q103 A1015 Q104 A1015 R105 100 R112 100 R109 5.1K R110 2.7K R106 680 -15V Q105 A56 Q106 A06 R116 47 R117 47 Q107 A13 R114 3K R115 4.3K C107 100/C C109 100/C C108 104/M C106 100/25V R113 1K C105 104/C Q108 D667 Q109 B647 R118 220 Q110 TIP35C Q111 TIP36C R119 0.1/5W R120 0.1/5W R121 2.2K R122 1K Q112 C1815 R123 2.2K C110 104/C R124 10K PRO +VCC -VCC R101 2.2K R102 10K C102 100/C QM1 K30A CH1OUT ROUT R125 13K C104 330/25V C101 4.7/50V RM1 10K MUTE MODEL:JBL-50