JBL BTX250 free download

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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: RMS Power Handling: Max Power Handling: Frequency Response: Active Crossover: Impedance: Phase control: Dimensions (H x W x D): 100W 300W 20Hz - 160Hz 40 - 120Hz 4 Ohms 0 - 180° 0 to +6dB @ 40Hz 625 x 320 x 315 mm August 02 BTX-250 SPARE PARTS POWER AMP POS ITEM NO. ASYJBL50 027112092 PCB 122SA1015 TRANSISTOR 122SC1815 TRANSISTOR 123T0K30A TRANSISTOR 123TRFZ44 TRANSISTOR 124T0SA06 TRANSISTOR 124T0SA13 TRANSISTOR 124T0SA56 TRANSISTOR 128TTI35C TRANSISTOR 128TTI36C TRANSISTOR 129TB647A TRANSISTOR 129TD667A TRANSISTOR 131TN4148 DIODE 133T0015B ZENER DIODE 134TN5402 RECTIFYING DIODE 136T1220A FAST RECOVER RECTIFIER 136T1220C FAST RECOVER RECTIFIER 158TTL494 IC DIP16 174114005 INDUCTANCE 181T02804 POWER TRANSFORMER 220440101 RESISTOR 220440242 RESISTOR 220880100 RESISTOR 220880101 RESISTOR 220880102 RESISTOR 220880103 RESISTOR 220880133 RESISTOR 220880153 RESISTOR DESCRIPTION PCB ASSY AMP JBL50 CSA50 POWER 112X92MM PCB Blank TOSHIBA 2SA1015 250MA 60V 0.4W TOSHIBA 2SC1815 250MA 60V 0.4W MOS K30A (T0-92) IR IRFZ44V 60V 55A 115W TR MOTOROLA MPSA06 N 0.5A 80V TR MOTOROLA MPSA13 N 0.5A 30V TR MOTOROLA MPSA56 P 0.5A 80V TR SGS OR TI TIP35C N 25A TR SGS OR TI TIP36C P 25A 100V TR HITACHI 2SB647AC 100V 1A TR HITACHI 2SD667AC 100V 1A NS 1N4148 HSS 150MA 100V 52MM NEC RD15EB3 ZNR 0.5W 15V 52MM 1N5402 RET 3.0A 100V F12C20A 12A 200V (TO220) F12C20C 12A 200V (TO220) NEC UPC494 OR TI TL494 DIOX30 D=2.1 5.0UH(VERTICAL TYPE) JBL-50 28 6:16 VARNISH T2804 CARBON CR 1/4W 100 J CARBON CR 1/4W 2.4K J CARBON CR 1/6W 10 J CARBON CR 1/6W 100 J CARBON CR 1/6W 1K J CARBON CR 1/6W 10K J CARBON CR 1/6W 13K J CARBON CR 1/6W 15K J QTY 1 1 8 5 2 2 1 1 1 1 1 1 1 6 2 1 1 1 1 1 1 1 1 1 7 7 7 1 1 Q1,Q3,Q4,Q6,Q7,Q8,Q103,Q104 Q2,Q5,Q101,Q102,Q112 Q13,QM1 Q11,Q12 Q106 Q107 Q105 Q110 Q111 Q109 Q108 D2,D3,D4,D5,D8,D9 ZD1,ZD2 D1 D7 D6 U1 L1 T1 R33 R30 R10 R5,R25,R26,R104,R105,R111,R112 R12,R19,R20,R21,R22,R113,R122 R1,R8,R9,R28,R102,R124,RM1 R125 R18 POWER AMP POS R11 R118 R16,R101,R121,R123 R107,R110 R15 R114 R14,R17 R115 R116,R117 R2,R3,R4,R6,R7,R13 R108,R109 R103,R106 R27 R29 R31,R32 R119,R120 RT C102,C107,C109 C13