JBL BASS20 Service Manual

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JBL BASS20 Service Manual Manual pdf 9 page image

8Powered Subwoofer BASS20MECHANICAL PARTS LISTREF. NO. PART NO. DESCRIPTION QTY1 BR1187 ALUM. BAR 4.8mmx12.7mmx40m 2BR1387 ALUMINUM BAR 1.9"x0.5"x0.1 12 HS1102 HEAT SINK ASSY. 13 FH1002 FUSE HOLDER 1/4x1-1/4 (120V) 1FH1003 FUSE HOLDER 5x20mm (230V) 14 SEE FUSES5 LB1269 LABEL FOR HEATSINK (120V) 1LB1298 LABLE FOR HEATSINK (230V) 17 MS1004 SILICONE GREASE #340 DOW8 PM1366 GASKET FOR BASS20 19 TE1125 TERMINAL ULTRA FAST INS. 910 WI1637 WIRE #18 BLUE/WHITE TRACER 3"11 SC1192 Sc 6-32x7/8 TAPT-THR HEX W 212 WA1049 WASHER EXT. TOOTH #6 ZINC 613 XX1250 STRAIN RELIEF SPT-1 BLACK 115 SC1215 SCREW M3x1.25x10 plas-Thr Pan 517 XX1174 AC CORD. 6FT UL/CSA APRO. (120V) 1WI1597 AC CORD. 6FT UL/CSA APRO. (230V) 118 SP1020 SIL. FOAM 3/8"Lx1/4"Wx3/16 219 SP1073 SIL PAD TO-3P 1.0"x0.75" 420 XX1257 COVER PLASTIC 121 XX1259 KNOB BLACK CUSTOM 122 WA1032 WASHER PLAIN #6 ZINC FINISH 423 SC1194 Sc 6-32x3/8 TAPT-THR HEX 4331364-001 GASKET 161868 Sc #8x3/4" Blk Pan Head Phillips 12305718-001 FOOT 463868 INSERT THREADED (for foot)332246-001 SUBWOOFER 2900101-016 SCREW #8x1" Blk Pan Head 8C01076 RCA JACK DUAL GOLD RED/WHT 1C01256 JACK SPEAKER QUAD PC 2CT, LINE 1 TE1175 TRMNL MALE TAB 0.32"x0.25" PI 3LINE 2ELECTRICAL PARTS LISTCapacitorsC1, C2 CP1635 CAP ALUM EL 4700uF 20% 63v 2C3, 20 CP1473 CAP CERAMIC 220 pF 50V P 2C4, 24, 30 CP1415 CAP ALUM EL. 2.2uF 20% 50V P 631, 32, 33C5 CP1439 SMD CAP 33nF 10% 100V X7R PI 1C7 CP1633 CAP CERAMIC 0.033uF 5% 50 PI 1C8, 10, 13 CP1552 SMD CAP 0.1uF 20% 100V Z5U P 3C9, 12, 27, 29 CP1417 CAP ALUM EL. 22uF 20% 16V P 4C11 CP1178 CAP POLY FILM 22nF 5% 63V P 1REF. NO. PART NO. DESCRIPTION QTYC14, 16 CP1426 SMD CAP 0.1uF 20% 50V Z5U P 2C15 CP1479 SMD CAP 3300pF 10% 100V X PI 1C19, 28 CP1645 CAP AL EL 22uF 20% 63V 85 PI 2C21 CP1478 SMD CAP 330pF 5% 100V NPO P 1C22 CP1475 SMD CAP 33pF 5% 50V NPO 12 P 1C23 CP1411 CAP ALUM EL. 100uF 20% 16V P 1C1P CP1426 SMD CAP 0.1uF 20% 50V Z5U P 1C2P, C3P CP1480 SMD CAP 470pF 5% 100V NPO 2C4P CP1552 SMD CAP 0.1uF 20% 100V Z5U P 1C5P, 6, 17 CP1579 33μF 16V NPE 3CX CP1808 0.1μF 250V 1CX1, CX2, CP1844 0.01μF 200V SMD 4CX3, CX4DiodesCR1, 2, 3, 4 DI1005 1N5401 DIODE 3A/200V P 4D1, 2, 3, 4, 5 DI1132 SMD DIODE 1N4148 LL-34 PKG T P 5Z1, 2 DI1150 SMD ZENER 15V 5% CP PKG T P 2FusesF1 (120V) 870-0052 FUSE Fast Blow 5A 250V 3AG 1F1 (230V) 870-0017 FUSE Fast Blow 2A 250V 3AG 1F2 FS1073 FAST BLOW 8A 250V ACG 1(early versions)F2 312004 FAST BLOW 4A 250V ACG 2(later versions)Integrated CircuitsIC1, 2, 3, IC1041 IC SMD DUAL J-FET NJM072B 54, 5 OP AMPResistorsJ1, 2, 3, 4, 5, RS1779 SMD RES ZERO Ω JUMPER 12 P 86, 7, 10P1 RS1794 POT, 50KΩ 20% LOG TAPER 1R1, 2, 4, 5, RS1702 SMD RES 100KΩ 5% 1/8W 12 P 824, 42,57, 58R3, 8, 14, 18 RS1701 SMD RES 10KΩ 5% 1/8W 120 P 1521, 23, 27,32, 38, 39,45, 50, 52,53, 54R6, 7, 31, 48 RS1700 SMD RES 1KΩ 5% 1/8W 12 P 4R9, 10 RS1720 SMD RES 200KΩ 1% 1/8W 1 PI 2R11 RS1872 SMD RES 51KΩ 5% 1/8W 120 P 1R12 RS2101 SMD RES 24KΩ 5% 1/8W 120 PI 1R13, 15 RS1704 SMD RES 22KΩ 5% 1/8W 120 P 2R16, 49 RS1715 SMD RES 5.6KΩ 5% 1/8W 1 P 2R17 RS1883 SMD RES 1.5KΩ 5% 1/8W 12 P 1R19 RS1878 SMD RES 10Ω 5% 1/8W 120 P 1R20, 40 RS1829 SMD RES 160Ω 5% 1/8W 12 P 2R22, 33, 34 RS1705 SMD RES 4.7KΩ 5% 1/8W 12 P 3R25 RS1831 SMD RES 7.5KΩ 5% 1/8W T/ P 1BASS 20 PARTS LIST