JBL-BTX250-pwr-sm 维修电路原理图.pdf

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 precise 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 Effective 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 Max 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POSITEM NO.DESCRIPTIONQTYASYJBL50PCB ASSY AMP JBL50 1 027112092 PCBCSA50 POWER 112X92MM PCB Blank1Q1,Q3,Q4,Q6,Q7,Q8,Q103,Q104 122SA1015 TRANSISTORTOSHIBA 2SA1015 250MA 60V 0.4W8Q2,Q5,Q101,Q102,Q112 122SC1815 TRANSISTOR TOSHIBA 2SC1815 250MA 60V 0.4W5Q13,QM1 123T0K30A TRANSISTOR MOS K30A (T0-92) 2Q11,Q12 123TRFZ44 TRANSISTORIR IRFZ44V 60V 55A 115W 2Q106 124T0SA06 TRANSISTORTR MOTOROLA MPSA06 N 0.5A 80V 1Q107 124T0SA13 TRANSISTORTR MOTOROLA MPSA13 N 0.5A 30V 1Q105 124T0SA56 TRANSISTORTR MOTOROLA MPSA56 P 0.5A 80V 1Q110 128TTI35C TRANSISTORTR SGS OR TI TIP35C N 25A 1Q111 128TTI36C TRANSISTORTR SGS OR TI TIP36C P 25A 100V1Q109 129TB647A TRANSISTORTR HITACHI 2SB647AC 100V 1A 1Q108 129TD667A TRANSISTORTR HITACHI 2SD667AC 100V 1A 1D2,D3,D4,D5,D8,D9 131TN4148 DIODE NS 1N4148 HSS 150MA 100V 52MM 6ZD1,ZD2 133T0015B ZENER DIODENEC RD15EB3 ZNR 0.5W 15V 52MM 2D1 134TN5402 RECTIFYING DIODE1N5402 RET 3.0A 100V 1D7 136T1220A FAST RECOVER RECTIFIERF12C20A 12A 200V (TO220) 1D6 136T1220C FAST RECOVER RECTIFIERF12C20C 12A 200V (TO220) 1U1 158TTL494 IC DIP16 NEC UPC494 OR TI TL494 1L1 174114005 INDUCTANCEDIOX30 D=2.1 5.0UH(VERTICAL TYPE)1T1 181T02804 POWER TRANSFORMERJBL-50 28 6:16 VARNISH T28041R33 220440101 RESISTOR CARBON CR 1/4W 100 J 1R30 220440242 RESISTOR CARBON CR 1/4W 2.4K J 1R10 220880100 RESISTOR CARBON CR 1/6W 10 J 1R5,R25,R26,R104,R105,R111,R112 220880101 RESISTOR CARBON CR 1/6W 100 J 7R12,R19,R20,R21,R22,R113,R122 220880102 RESISTOR CARBON CR 1/6W 1K J 7R1,R8,R9,R28,R102,R124,RM1 220880103 RESISTOR CARBON CR 1/6W 10K J 7R125 220880133 RESISTOR CARBON CR 1/6W 13K J 1R18 220880153 RESISTORCARBON CR 1/6W 15K J 1POWER AMPBTX-250 SPARE PARTS POSITEM NO.DESCRIPTIONQTYR11 220880201 RESISTOR CARBON CR 1/6W 200 J 1R118 220880221 RESISTORCARBON CR 1/6W 220 J 1R16,R101,R121,R123 220880222 RESISTORCARBON CR 1/6W 2.2K J 4R107,R110 220880272 RESISTOR CARBON CR 1/6W 2.7K J 2R15 220880273 RESISTOR CARBON CR 1/6W 27K OHM J 1R114 220880302 RESISTORCARBON CR 1/6W 3K OHM J 1R14,R17 220880333 RESISTOR CARBON CR 1/6W 33K J 2R115 220880432 RESISTOR CARBON CR 1/6W 4.3K J 1R116,R117 220880470 RESISTOR CARBON CR 1/6W 47 J 2R2,R3,R4,R6,R7,R13 220880472 RESISTOR CARBON CR 1/6W 4.7K J 6R108,R109 220880512 RESISTORCARBON CR 1/6W 5.1K J 2R103,R106 220880681 RESISTORCARBON CR 1/6W 680 J 2R27 220880683 RESISTORCARBON CR 1/6W 68K J 1R29 231100220 RESISTOR METAL MO 1W 22 J 1R31,R32 231100681 RESISTOR METAL MO 1W 680 J 2R119,R120 23251001A CEMENT TYPE RESISTOR SQM 5W 0.1 (VERTICAL TYPE)2RT 261T05103 THERMISTORNTC THERMISTOR D103J 10K 1C102,C107,C109 31JT10105 C/C C/C NPO 100PF/50V J 3C13 31JT68125 C/CC/C Y5E 680PF/250V K 1C1,C4,C8,C105,C110 31ZT10410 C/C C/C 0.1U/100V Z 5C108 32JT10410 M/C M/C 0.1UF/100V J (MINISIZE) 1C10 32JT68210 M/C M/C 0.0068UF/100V J 1C5,C9,C12,C18,C19,C22 340T10625 E/C 10UF/25V 5*11 +20-10% 6C7,C11,C21,C106 340T10725 E/C100UF/25V 6*11 +20-10% 4C14,C15 340T22851 E/C2200UF/50V 16*32 +20-10%2C103,C104 340T33725 E/C 330UF/25V 8*14 +20-10% 2C101 340T47550 E/C4.7UF/50V 5*11 +20-10% 1C6 340T47625 E/C47UF/25V 5*11 +20-10% 1C3 341T22835 E/C2200UF/35V 18*27 105 1J1,J2,J3,J4,J5,J6,J7,J8,J9,J10,J11,J12,C20,JP14 400T06520 JUMP WIRE JUMP 0.6*52MM 14POWER AMPPOSITEM NO.DESCRIPTIONQTY 830062181 MICA SEGMENT3*4.5 (HOLE) 62*18mm T=0.1mm1 862T00100 FIBER TUBE(1000MM) 1 0,04 865T00080 CABLE TIE100MM YJ-100 1 178311908 HIGH FREQUENCY CORE31*19*8MM 1POSITEM NO.DESCRIPTIONQTY ASYJBL50P JBL50 PRE CAR SUBWOOFER AMP 1 027152065 PCB JBL50 PRE 152X64MM PCB 94-V0 1LED 137T03G00 LEDLED 3MM GREEN1U1,U2,U3,U4 151T04558 IC SIP8 ROHM BA4558N4SW1 197T04212 SLIDE SWITCH4P2T SS001-P242P PA12 1VR202,VR204 202T15203 VR16T1-2D8 (SINGLE)B20K L=15MM2VR206 203T15203 VR16T1-2D8-B20K L=15MM1RH1,RH2,RH3,RH4 22022047A RESISTORCARBON CR 1/2W 4.7 J 4R213,R214,R222 220880102 RESISTORCARBON CR 1/6W 1K J 3RH7,RH8,RH9,RH10,R216,R224,R225,R226,R227,R228 220880103 RESISTORCARBON CR 1/6W 10K J 10R209,R210 220880104 RESISTORCARBON CR 1/6W 100K J 2R219 220880124 RESISTORCARBON CR 1/6W 120K J 1R205,R206 220880153 RESISTORCARBON CR 1/6W 15K J 2R221 220880202 RESISTORCARBON CR 1/6W 2K J 1R220 220880222 RESISTORCARBON CR 1/6W 2.2K J 1R207,R208,R217 220880223 RESISTORCARBON CR 1/6W 22K J 3R215 220880224 RESISTORCARBON CR 1/6W 220K J 1R203,R204,R218 220880273 RESISTORCARBON CR 1/6W 27K OHM J 3R201,R202 220880472 RESISTORCARBON CR 1/6W 4.7K J 2R223 220880473 RESISTORCARBON CR 1/6W 47K J 1RH5,RH6 231100101 RESISTORMETAL MO 1W 100 OHM J 2C1,C2,C3,C4,C203,C204,C205,C208 31JT10105 C/CC/C NPO 100PF/50V J 8C201,C202 31KT10205 C/CC/C Y5P 1000PF/50V K 2CH1,CH2 340T10725 E/C100UF/25V 6*11 +20-10% 2PRE AMPPOWER AMPPOSITEM NO.DESCRIPTIONQTYC210,C211 391T63334 MET CAPACITOR(BOX) 0.33U/63V J MEMB2C212 391T63823 MET CAPACITOR(BOX) 0.082U/63V J MEMB1J101 400T06520 JUMP WIREJUMP 0.6*52MM 1J2 522TMP993 RCA SOCKET RED/WHITE 2P GOLD YLR-1009-3161J1 531T42004 TERMINAL4P SOCKET P=4.2MM 1JK101 571T15006 CONNECTOR W/WIRE6P CONNECTOR W/WIRE 150MM 5MM 1 862T00100 FIBER TUBE(1000MM) 1 0,02C7 31JT22105 C/C C/C Y5E 220PF/50V J 1C9 31JT47105 C/CC/C Y5E 470PF/50V K 1C5,C6 31JT47005 C/CC/C NPO 47PF/50V J 2C8 31KT10305 C/CC/C Y5P 0.01UF/50V K 1C10 31ZT10410 C/CC/C 0.1U/100V Z 1POSITEM NO.DESCRIPTIONQTY445T00002 FUSE SOCKETEXTERIOR FIXED (047-519) 1541T30203 TERMINAL STANDER3P PLATE WITH GOLD VERTICAL TYPE P=11mm1554T18270 UL HEAT-RESISTANT WIRE18AWG 270MM T=10*2 YELLOW 1015# 1560016270 UL HEAT-RESISTANT WIRE16AWG 270MM T1=5 T2=10 BLACK 1015#1560216270 UL HEAT-RESISTANT WIRE16AWG 270MM T1=5 T2=10 RED 1015#1571T30004 CONNECTOR W/WIRE4P CONNECTOR W/WIRE 300MM 1007 20AWG1571260013 CONNECTOR W/WIRE2P 1015#18AWG 600MM WITH 205#110#1620112100 ASSISTANT HEATSINKWHITE ALUMINUM 112X100X36 T=3 1621T15040 RADIATOR LAYER1 HOLE 1.5*15*38MM1623T15061 RADIATOR LAYER3 HOLE 1.5*15*60MM1630150280 HEATSINK PLATE 150*280 ALIMINUM EXTRACT1711T12688 SCREWPMS 2.6*8 MM2711T13065 SCREWPMS 3*6 MM ANODIZE BLACK2711T13108 SCREWPMS 3*10 MM4711T14108 SCREWPMS 4*10 MM2711T14145 SCREW PMS M4*14 MM ANODIZE BLACK4PRE AMPMiscellaneousPOSITEM NO.DESCRIPTIONQTY721T33128 SCREW3*12MM1761T03501 WASHER3.5 ANODIZE BLACK2771TH0518 PCB FIXERCOPPER 5*18X12MM2771TH5085 PCB FIXERCOPPER 5X8.5X5MM4811T12007 KNOBFOR M-40003812T10000 WIRE FIXERL=50MM D=4.2MM BLACK1843T03310 SPONGECSA-25 EVA 33*10*21842215016 SPONGEJBL-50 EVA20150*16*32842225115 SPONGEJBL-50 EVA20250*16*32843T14961 SPONGEEVA 152*64*141843T51010 SPONGE PAD10*10*5 MM 1843T62296 FIBER SPACER24X11.6X1 MM FOR CSA1560216120 UL HEAT-RESISTANT WIRE16AWG 120MM T1=5 T2=10 RED 1015#1861T50000 SHRINK TUBED=6MM (1000MM) BLACK0,09865T00080 CABLE TIE100MM YJ-100 3955T10000 STICKER 45X9 CE STICKER(SILVER SER.NO. B.) 1021103344 PCB JBL50SP 33*44.5mmT=1.6 94V0 1341T22835 E/C2200UF/35V 18*27 105 1562024080 UL HEAT-RESISTANT WIRE24AWG 80MM T=10MMX2 BLACK 1007# 1178281709 HIGH FREQUENCY CORE28.5*17.5*9.5mm 131KT10305 C/CC/C Y5P 0.01UF/50V K 131ZT10410 C/CC/C 0.1U/100V Z 1Miscellaneous12345678ABCD87654321DCBA+1-2FED3DT4C5R6GND7OP18+16-15REF14CON13VCC12OP211E210E19TL494CNU1R1527KR162.2KC10682/MC11100/25VQ4A1015Q3A1015R1010R810KR910KC21100/25VRT10KC7100/25VR74.7KR64.7KC647/25VQ5C1815Q6A1015D34148C8104/CR11200R121KR134.7KR1433KR1733KR1815KC1210/25VC910/25VT16:16(D28)C13681/CR2922/1WD6F12C20CC142200/50VC152200/50VQ2C1815R110KR24.7KR5100R34.7KR44.7KC510/25VL15uHD11N5402F115A123CN01D24148D7F12C20APRO+VCC-VCCMUTE+VCCQ11R25100Q12R26100Q7A1015Q8A1015R211KR221KD44148D54148R191KR201KC4104/CC32200/35VQ1A1015PGNDREM+12VC1104/CR33 100/1/4WC20473/CR302.4K/1/4WLEDGREEN+VCC+VCC-VCCR31680/1WR32680/1WC1810/25VC1910/25V+15V-15VQ7Q8 IRFZ46NZD115VZD215VQ13K30AD91N4148D81N4148R2768KR2810KC2210/25VMODEL:JBL-501234ABCD4321DCBAU1ABA4558C203100/CR20722KR20327KR2014.7KC201102/CLINJ1AR20515KR2131KHI-LINJ2ARH5100/1WR209100KU1BBA4558C204100/CR20822KR20427KR2024.7KC202102/CRINJ1AR20615KR2141KHI-RINJ2AVR201B20KU2ABA4558R215220KR21610KR21722KC205100/CC206104/BC207104/BR21827KU2BBA4558R219120KR22410KR22510KU4BBA4558U4ABA4558R22610KR22710KR22810KSW201SINRH14.7/1/2WRH34.7/1/2WRH710KRH910KRH6100/1WR210100KRH24.7/1/2WRH44.7/1/2WRH810KRH1010KCH2100/25VCH1100/25VVR203BV20KVR203AV20KC211334/BC212823/BR2202.2KU3ABA4558R22120KVR202C500KC208100/CC2090.047C2100.022BU3BBA4558R22220KR22347KJBL50P1234ABCD4321DCBAQ101C1815Q102C1815R04100R111100R1085.1KR1072.7KR103680+15VC103330/25VQ103A1015Q104A1015R105100R112100R1095.1KR1102.7KR106680-15VQ105A56Q106A06R11647R11747Q107A13R1143KR1154.3KC107100/CC109100/CC108104/MC106100/25VR1131KC105104/CQ108D667Q109B647R118220Q110TIP35CQ111TIP36CR1190.1/5WR1200.1/5WR1212.2KR1221KQ112C1815R1232.2KC110104/CR12410KPRO+VCC-VCCR1012.2KR10210KC102100/CQM1K30ACH1OUTROUTR12513KC104330/25VC1014.7/50VRM110KMUTEMODEL:JBL-50