Harman JBL Bass 20 Скачать руководство пользователя страница 3 | Manualshive

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Powered Subwoofer

BASS20

BASS 20 POWERED SUB WOOFER TEST SETUP

JBL continually strives to improve its products. New materials, production methods and design refinements are introduced into
existing models without notice as a routine expression of our design philosophy. For this reason, Bass Series loudspeakers
may differ in some respect from their published specifications and descriptions, but will always equal or exceed the original
specifications unless otherwise stated.

All manuals and user guides at all-guides.com

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Содержание JBL Bass 20

Страница 1: ...ed 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 JBLBASS20 BASS20 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 2: ...peaker Level Outputs Full Range Speaker Crossover Frequency 120Hz Frequency Response 40Hz 120Hz 3dB External Dimensions Inches Height 17 3 4 Width 10 Depth 24 External Dimensions mms Height 451 Width 254 Depth 610 Weight 42lbs 19 1kg FEATURES n The Bass20 powered subwoofer is part of the SCS120 or MUSIC 20 System n 150 watt output n Variable level control n Line level or Speaker level inputs outpu...

Страница 3: ...finements are introduced into existing models without notice as a routine expression of our design philosophy For this reason Bass Series loudspeakers may differ in some respect from their published specifications and descriptions but will always equal or exceed the original specifications unless otherwise stated All manuals and user guides at all guides com ...

Страница 4: ...EVEL control full clockwise 9 Green LED should light immediate bass response should be heard and felt from port tube opening Sweep Function 1 Follow steps 1 4 above using a sweep generator as a signal source 2 Sweep generator from 20Hz to 300Hz Listen to the cabinet and drivers for any rattles clicks buzzes or any other noises If any noises are heard remove driver and test Driver Function 1 Remove...

Страница 5: ...s Circuit board does not have to be removed from heatsink 2 R36 See drawing cut trace connecting Q4 collector and main C1 pad 3 Create solderable surface on PCB on Q4 side of cut by scraping the green mask from board with Exacto knife or similar tool 4 Attach R36 470Ω 1W resistor JBL RS2180 to new surface and cathode side of CR1 Resistor should stand off from PCB secure with RTV or epoxy if desire...

Страница 6: ...5 Powered Subwoofer BASS20 BASS 20 120v US 230v European Versions BLOCK DIAGRAM All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 7: ...6 Powered Subwoofer BASS20 BASS20 120V 230V versions AMPLIFIER EXPLODED VIEW All manuals and user guides at all guides com ...

Страница 8: ...7 Powered Subwoofer BASS20 BASS20 CABINET ASSEMBLY EXPLODED VIEW All manuals and user guides at all guides com ...

Страница 9: ...M EL 22uF 20 16V P 4 C11 CP1178 CAP POLY FILM 22nF 5 63V P 1 REF NO PART NO DESCRIPTION QTY C14 16 CP1426 SMD CAP 0 1uF 20 50V Z5U P 2 C15 CP1479 SMD CAP 3300pF 10 100V X PI 1 C19 28 CP1645 CAP AL EL 22uF 20 63V 85 PI 2 C21 CP1478 SMD CAP 330pF 5 100V NPO P 1 C22 CP1475 SMD CAP 33pF 5 50V NPO 12 P 1 C23 CP1411 CAP ALUM EL 100uF 20 16V P 1 C1P CP1426 SMD CAP 0 1uF 20 50V Z5U P 1 C2P C3P CP1480 SMD ...

Страница 10: ...r Voltage To 140v 6 19 96 2 R11 changed from 27K to 51K R12 changed from 51K to 24K R9 changed from 20K to 200K R10 changed from 33K to 200K R29 changed from 11K to 33K R51 changed from 160K to 470K R39 changed from 47K to 10K R54 changed from 47K to 10K R22 changed from 15K to 4 7K R34 changed from 15K to 4 7K R20 changed from 220 to 160 R40 changed from 220 to 160 R33 changed from 4 3K to 4 7K C...

Страница 11: ...1 0 Powered Subwoofer BASS20 BASS20 PACKAGING VIEW MUSIC20 SCS120 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 12: ...1 1 Powered Subwoofer BASS20 PRINTED CIRCUIT BOARDS TOP VIEW All manuals and user guides at all guides com ...

Страница 13: ...1 2 Powered Subwoofer BASS20 PRINTED CIRCUIT BOARDS BOTTOM VIEW All manuals and user guides at all guides com ...

Страница 14: ...1 3 Powered Subwoofer BASS20 INTEGRATED CIRCUIT DIAGRAM All manuals and user guides at all guides com ...

Страница 15: ...1 4 Powered Subwoofer BASS20 120V SCHEMATIC DIAGRAM All manuals and user guides at all guides com ...

Страница 16: ...1 4 Powered Subwoofer BASS20 120V SCHEMATIC DIAGRAM All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 17: ...1 5 Powered Subwoofer BASS20 230V SCHEMATIC DIAGRAM All manuals and user guides at all guides com ...

Страница 18: ...1 5 Powered Subwoofer BASS20 230V SCHEMATIC DIAGRAM All manuals and user guides at all guides com ...

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