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BASS550 Powered Subwoofer 120 Volt & 230 Volt Versions SERVICE MANUAL SERVICE MANUAL 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...
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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, the Bass550 Subwoofer may differ in some respect from its published specifications and descriptions, but will always equal or exceed the original...
Powered Subwoofer BASS550 FEATURES The Bass550 powered subwoofer is part of the ESC550 Line level input exclusively from the “Source”. System. User friendly “auto on” circuit. Signal sensing Amplifiers for five satellite speakers and subwoofer. automatically turns the subwoofer on so you don't have to;...
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“Tape/Aux” button, adjust plugged into the subwoofer. volume (on Source) so display reads “VOLUME 30”. 3) Plug in Bass550 subwoofer, turn power switch on; red 6) Turn up level control on subwoofer full clockwise. LED should light.
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Powered Subwoofer BASS550 BASS550 (120v US & 230v European Versions) BLOCK DIAGRAM...
Bass550 Amplifier Power Supply PCB Exploded View Power Amp Subwoofer PCB 1166 Power Amp PCB 1165 Preamp & Crossover PCB Ref # Part No. Description Qty. FH1002 Fuse Holder 1/4x1-1/4 XX1174 AG AC Cord 6ft. UL/CSA aprov. 120v WI1597 AG AC Cord 6ft. UL/CSA aprov. 230v...
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Bass550 Amplifier Power Supply PCB Exploded View Power Amp Subwoofer PCB 1166 Power Amp PCB 1165 Preamp & Crossover PCB...
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Preamp & Crossover PCB Ref # Part No. Description Qty. FH1002 Fuse Holder 1/4x1-1/4 XX1174 AG AC Cord 6ft. UL/CSA aprov. 120v WI1597 AG AC Cord 6ft. UL/CSA aprov. 230v HS1142 Heatsink Internal MI1151 AG Power Transformer 120v M1159 AG Power Transformer 230v ST1025 Round Spacer 1/2x3/8 length SW1075 JR Switch Rocker 2P2T Snap-I...
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Powered Subwoofer BASS550 BASS550 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION CONN6 CO1339 STR. SQ. 0.156" CENTER HE Power Supply PCB 1163 CO1337 CONNECTOR MULTI-POLE NON Connectors Capacitors CONN1 CO1335 CONNECTOR 6410 SERIES 6 T...
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Revisions Date Revision Change Description Reason of Change 1/29/97 A) Changed R6, A, C from 27K to 24.3K 1% on PCB1164. Changes required by Engineering 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.
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