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JBL BASS550 Service Manual

Manual is about: Powered Subwoofer 120 Volt & 230 Volt Versions

Summary of BASS550

  • Page 1

    Service manual service manual powered subwoofer jbl consumer products inc. 80 crossways park west woodbury, n.Y. 11797 1-800-336-4jbl in the usa a harman international company part no.: 1112-jblbass550 bass550 120 volt & 230 volt versions.

  • Page 2

    1 powered subwoofer bass550 table of contents specifications .................................................................1 features..........................................................................2 powered sub test setup...............................................2 test procedure......

  • Page 3

    2 powered subwoofer bass550 features n the bass550 powered subwoofer is part of the esc550 system. N amplifiers for five satellite speakers and subwoofer. N 100 watt output. N variable level control. N line level input exclusivelyfrom the “source”. N user friendly“auto on” circuit. Signal sensing au...

  • Page 4

    3 powered subwoofer bass550 3) plug in subwoofer, turn power switch on; red led should light. 4) turn on generator, adjust to 100 mv, 50 hz. 5) push “power” button on the “source”, (displayshould now be active); press “tape/aux” button, adjust volume (on source) so displayreads “volume 30”. 6) turn ...

  • Page 5

    4 powered subwoofer bass550 bass550 (120v us & 230v european versions) block diagram.

  • Page 6

    5 powered subwoofer bass550 bass550 cabinet assembly & packaging exploded views.

  • Page 7

    115 115 bl-1733 inw ood ,n .Y.1 109 6 inwood ,n. Y.11096 sig nal tra nsfo rme r signal transformer 24 24 12 12 24 24 48 48 0 0 0 12 12 13 13 14 14 6 6 7 7 8 8 9 9 10 10 11 11 6 bass550 amplifier exploded v iew bass550 ref # part no. Description qty. 1 br1187 alum. Bar 4.8x12.7x40mm 4 2 br1386 transi...

  • Page 8

    115 115 bl-1733 inwo od, n.Y. 1109 6 inwood ,n. Y.11096 sig nal tra nsfo rme r signal transformer 24 24 12 12 24 24 48 48 0 0 0 6 6 7 7 8 8 9 9 bass550 amplifier exploded v ie w 1 1 2 2 3 3 4 4 5 5 powered subwoofer b c d a e f g h i ref # part no description qty 25 17 16 4 11 12 20 22 31 26 1 2 30 ...

  • Page 9

    12 12 13 13 14 14 6 6 7 7 8 8 9 9 10 10 11 11 6 b ass550 amplifier exploded v iew bass550 ref # part no. Description qty. 1 br1187 alum. Bar 4.8x12.7x40mm 4 2 br1386 transistor bar to-218 2 3 br1395 bracket power support 6 4 br1411 bracket support 60 deg 1 5 br1421 bracket "l" 0.9"x0.9" 1 6 br1423 f...

  • Page 10

    7 powered subwoofer bass550 ref. No. Part no. Description qty power supply pcb 1163 connectors conn1 co1335 connector 6410 series 6 t 1 -v, +v co1347 connector 41791 series 3 2 gnd co1348 connector 41791 series 4 1 +, 1, ct(5), gnd te1175 terminal male tab. 0.032"x0.25 4 ac(7), ac(9), te1185 termina...

  • Page 11

    8 powered subwoofer bass550 ref. No. Part no. Description qty jumper wires jw1-16 wi1553 wire #22 bare solid tinned 16 2.66 feet total led led1 le1032 led bicolor red/green 5mm 1 sub amp pcb 1166 connectors conn co1336 connector 6410 series 5 term.1 +v, -v, spkgnd, te1194 male faston tab 0.250x0.0 5...

  • Page 12

    9 powered subwoofer bass550 ref. No. Part no. Description qty l1, 1a (230v) mi11000 inductor air core 0.40uh 2 resistors j1-6, 8-15, 17 rs1779 smd zero Ω jumper 15 r1, 1a, 2, 2a, rs1701 smd 10k Ω 5% 1/8w 18 4, 4a, 19, 19a, 20, 20a, 29, 29a, 30, 30a, 41, 43, 45, 45a r3, 3a rs1700 smd 1k Ω 5% 1/8w 2 r...

  • Page 13

    1 0 powered subwoofer bass550 ref. No. Part no. Description qty r31, 32 rs1715 smd 5.6k Ω 5% 1/8w 2 r36 rs1912 smd 11.3k Ω 5% 1/8w 1 r37, 39, 40 rs1767 smd 1m Ω 5% 1/8w 3 r42 rs1702 smd 100k Ω 1% 1/8w 1 r46, 47 rs2180 m/o 470 Ω 5% 1w 2 thermistor th1 th1006 ntc 10kw @ 2 5degc 1 transistors q1, 1a tr...

  • Page 14

    1 0 revisions date revision change description reason of change 1/29/97 01 a) changed r6, a, c from 27k to 24.3k 1% on pcb1164. B) changed r6b from 27k to 15k on pcb1164. C) changed r5, a, c from 2.7k to 4.32k 1% on pcb1164. D) changed r5b from 2.7k to 7.5k on pcb1164. Changes required by engineerin...

  • Page 15

    1 1 powered subwoofer bass550 printed circuit boards 1 (top view).

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    1 2 powered subwoofer bass550 printed circuit boards 1 (bottom view).

  • Page 17

    1 3 powered subwoofer bass550 printed circuit boards 2 (top view).

  • Page 18

    1 4 powered subwoofer bass550 printed circuit boards 2 (bottom view).

  • Page 19

    1 5 powered subwoofer bass550 integrated circuit diagrams.

  • Page 20

    1 6 powered subwoofer bass550 120v crossover & preamp schematic diagram (sheet 1).

  • Page 21

    1 7 powered subwoofer bass550 120v power amp. Schematic diagram #1 (sheet 2).

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    1 8 powered subwoofer bass550 120v sub. Amp. Schematic diagram #2 (sheet 3).

  • Page 23

    1 9 powered subwoofer bass550 120v power supplyschematic diagram (sheet 4).

  • Page 24

    2 0 powered subwoofer bass550 230v crossover & preamp schematic diagram (sheet 1).

  • Page 25

    2 1 powered subwoofer bass550 230v power amp. Schematic diagram #1 (sheet 2).

  • Page 26

    2 2 powered subwoofer bass550 230v power amp. Schematic diagram #2 (sheet 3).

  • Page 27

    2 3 powered subwoofer bass550 230v power supplyschematic diagram (sheet 4).