JBL hfe jbl arc sub service en free download

File name hfe_jbl_arc_sub_service_en.pdf

S E R V I C E M A N U A L ARC SUB Discrete Output, High Current 8" Powered Subwoofer JBL Consumer Products Inc. 250 Crossways Park Drive Woodbury, N.Y. 11797 A Harman International Company 1112-ARCSUB Rev A 4/98 Powered Subwoofer ARC SUB TABLE OF CONTENTS Specifications ...1 Block Diagram ...7 Warranty ...2 Amplifier Exploded View ...8 Safety Symbols ...2 Cabinet Exploded View...9 Controls and Their Functions...3 Parts Lists...10 Test Procedures ...4 Packaging and Shipping ...12 Trouble Shooting Before Opening ...5 Integrated Circuit Diagrams ...13 Removing the Amplifier...5 Printed Circuit Boards ...14 Trouble Shooting After Removal ...5 Schematic Diagrams ...16 Components Requiring Exact Replacement...6 SPECIFICATIONS Amplifier Power RMS . . . . . . . . . . . 75 Watts Drivers . . . . . . . . . . . . . . . . 8" with high-polymer-laminated cones Inputs . . . . . . . . . . . . . . . . Line level and High Level Outputs* . . . . . . . . . . . . . . . High level with High-Pass filter at 180Hz Crossover Frequency . . . . . . . . . . . 50-150Hz (continuosly variable) Frequency Response . . . . . . . . . . . 45Hz to (50 - 150Hz) (determined by crossover setting) Ext