JBL E250P/P12SW subwoofers, Note This Voltage Is Referenced To, Not Circuit Ground

Page 31
NOTE: THIS VOLTAGE IS

NOTE: THIS VOLTAGE IS

REFERENCED TO -V,

NOT CIRCUIT GROUND

E250P/P12SW subwoofers

30

Page 30 Page 31
Image 31
Page 30 Page 31
Contents 250 Crossways Park Dr Powered SubwoofersNorthridge E-SeriesE250P Performance Series P12SW ModelsE250P/P12SW subwoofers CONTENTSE250P, P12SW SPECIFICATIONS Critical Components List of Safety ComponentsRequiring Exact Replacements Leakage/Resistance CheckPackaging E250PPackaging P12SWE250P/P12SW subwoofers JBL E250P/P12SW Powered Sub/ Plate AmpQA Test SPEAKER CONNECTIONSpecification E250P/P12SW subwoofersSubwoofer ing any other wires. Do not twist togetherE250P/P12SW subwoofers important that you avoid joinAnalog Receiver/Processor - Line-LevelConnections E250P/P12SW subwoofersDigital Receiver/Processor - LFE Connection E250P/P12SW subwoofers OPERATIONPower Crossover AdjustmentsPhase Control TROUBLESHOOTINGE250P/P12SW subwoofers Exploded View E250PExploded View P12SWSweep Function TEST SET-UPAND PROCEDUREE250P/P12SW subwoofers General Function UUT = Unit Under TestP10SW &P12SW E250P/P12SW subwoofersE250P subwoofer Service BulletinPB10,PB12 Revision For models E150P,E250PTIP# JBLTT2003-04Rev2 P10SW, P12SW4. Check Switching Frequency DETAILED TROUBLESHOOTINGA. Power Amp Section 2. Power Up LED RED3. Low-Pass DETAILED TROUBLESHOOTING CONTDE250P/P12SW subwoofers 2. High Level Input SensitivityFLOW CHART DETAILED TROUBLESHOOTING CONTDE250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW subwoofers E250P/P12SW 120v Electrical Parts ListResistors Semiconductors E250P/P12SW subwoofersPart Number CapacitorsPart Number E250P/P12SW subwoofersMiscellaneous Part Number E250P/P12SW subwoofersE250P/P12SW subwoofers Semiconductor Pinout DiagramsNOTE THIS VOLTAGE IS REFERENCED TO See service bulletin for E250PE250P/P12SW subwoofers P12SW Value of C65 = 47ufNOTE THIS VOLTAGE IS REFERENCED TO E250P/P12SW subwoofersNOT CIRCUIT GROUND
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