E250P/P12SW subwoofers | JBL instruction

Image 21

JBL service manual E250P/P12SW subwoofers

Contents

Northridge E-SeriesE250P Performance Series P12SW Powered SubwoofersModels 250 Crossways Park Dr CONTENTS E250P/P12SW subwoofersE250P, P12SW SPECIFICATIONS Requiring Exact Replacements List of Safety ComponentsLeakage/Resistance Check Critical Components Packaging E250P Packaging P12SW E250P/P12SW subwoofers JBL E250P/P12SW Powered Sub/ Plate Amp Specification SPEAKER CONNECTIONE250P/P12SW subwoofers QA Test E250P/P12SW subwoofers ing any other wires. Do not twist togetherimportant that you avoid join Subwoofer E250P/P12SW subwoofers Analog Receiver/Processor - Line-LevelConnectionsDigital Receiver/Processor - LFE Connection Power OPERATIONCrossover Adjustments E250P/P12SW subwoofers TROUBLESHOOTING Phase ControlE250P/P12SW subwoofers Exploded View E250P Exploded View P12SW E250P/P12SW subwoofers TEST SET-UPAND PROCEDUREGeneral Function UUT = Unit Under Test Sweep Function P10SW &P12SW E250P/P12SW subwoofers E250P subwoofer Service Bulletin TIP# JBLTT2003-04Rev2 For models E150P,E250PP10SW, P12SW PB10,PB12 Revision A. Power Amp Section DETAILED TROUBLESHOOTING2. Power Up LED RED 4. Check Switching Frequency E250P/P12SW subwoofers DETAILED TROUBLESHOOTING CONTD2. High Level Input Sensitivity 3. Low-Pass DETAILED TROUBLESHOOTING CONTD FLOW CHARTE250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW 120v Electrical Parts List E250P/P12SW subwoofersResistors Part Number E250P/P12SW subwoofersCapacitors Semiconductors E250P/P12SW subwoofers Part NumberMiscellaneous Part Number E250P/P12SW subwoofers E250P/P12SW subwoofers Semiconductor Pinout Diagrams E250P/P12SW subwoofers See service bulletin for E250PP12SW Value of C65 = 47uf NOTE THIS VOLTAGE IS REFERENCED TO E250P/P12SW subwoofers NOTE THIS VOLTAGE IS REFERENCED TONOT CIRCUIT GROUND