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JBL service manual E250P/P12SW subwoofers

Models: P12SW E250P

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E250P/P12SW subwoofers

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JBL service manual E250P/P12SW subwoofers

Contents

Northridge E-SeriesE250P Performance Series P12SW Powered SubwoofersModels 250 Crossways Park DrCONTENTS E250P/P12SW subwoofersE250P, P12SW SPECIFICATIONS Requiring Exact Replacements List of Safety ComponentsLeakage/Resistance Check Critical ComponentsPackaging E250PPackaging P12SWE250P/P12SW subwoofers JBL E250P/P12SW Powered Sub/ Plate AmpSpecification SPEAKER CONNECTIONE250P/P12SW subwoofers QA TestE250P/P12SW subwoofers ing any other wires. Do not twist togetherimportant that you avoid join SubwooferE250P/P12SW subwoofers Analog Receiver/Processor - Line-LevelConnectionsDigital Receiver/Processor - LFE Connection Power OPERATIONCrossover Adjustments E250P/P12SW subwoofersTROUBLESHOOTING Phase ControlE250P/P12SW subwoofers Exploded View E250PExploded View P12SWE250P/P12SW subwoofers TEST SET-UPAND PROCEDUREGeneral Function UUT = Unit Under Test Sweep FunctionP10SW &P12SW E250P/P12SW subwoofersE250P subwoofer Service BulletinTIP# JBLTT2003-04Rev2 For models E150P,E250PP10SW, P12SW PB10,PB12 RevisionA. Power Amp Section DETAILED TROUBLESHOOTING2. Power Up LED RED 4. Check Switching FrequencyE250P/P12SW subwoofers DETAILED TROUBLESHOOTING CONTD2. High Level Input Sensitivity 3. Low-PassDETAILED 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 SemiconductorsE250P/P12SW subwoofers Part NumberMiscellaneous Part Number E250P/P12SW subwoofersE250P/P12SW subwoofers Semiconductor Pinout DiagramsE250P/P12SW subwoofers See service bulletin for E250PP12SW Value of C65 = 47uf NOTE THIS VOLTAGE IS REFERENCED TOE250P/P12SW subwoofers NOTE THIS VOLTAGE IS REFERENCED TONOT CIRCUIT GROUND