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service manual
E250P/P12SW subwoofers
Models:
P12SW
E250P
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Troubleshooting
Specification
Flow Chart
Test Set-Upand Procedure
Crossover Adjustments
Requiring Exact Replacements
Powered Subwoofers
Service Bulletin
Check Switching Frequency
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E250P/P12SW subwoofers
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Contents
Powered Subwoofers
Northridge E-SeriesE250P Performance Series P12SW
Models
250 Crossways Park Dr
CONTENTS
E250P/P12SW subwoofers
E250P, P12SW SPECIFICATIONS
List of Safety Components
Requiring Exact Replacements
Leakage/Resistance Check
Critical Components
E250P
Packaging
P12SW
Packaging
JBL E250P/P12SW Powered Sub/ Plate Amp
E250P/P12SW subwoofers
SPEAKER CONNECTION
Specification
E250P/P12SW subwoofers
QA Test
ing any other wires. Do not twist together
E250P/P12SW subwoofers
important that you avoid join
Subwoofer
E250P/P12SW subwoofers
Analog Receiver/Processor - Line-LevelConnections
Digital Receiver/Processor - LFE Connection
OPERATION
Power
Crossover Adjustments
E250P/P12SW subwoofers
TROUBLESHOOTING
Phase Control
E250P/P12SW subwoofers
E250P
Exploded View
P12SW
Exploded View
TEST SET-UPAND PROCEDURE
E250P/P12SW subwoofers
General Function UUT = Unit Under Test
Sweep Function
E250P/P12SW subwoofers
P10SW &P12SW
Service Bulletin
E250P subwoofer
For models E150P,E250P
TIP# JBLTT2003-04Rev2
P10SW, P12SW
PB10,PB12 Revision
DETAILED TROUBLESHOOTING
A. Power Amp Section
2. Power Up LED RED
4. Check Switching Frequency
DETAILED TROUBLESHOOTING CONTD
E250P/P12SW subwoofers
2. High Level Input Sensitivity
3. Low-Pass
DETAILED TROUBLESHOOTING CONTD
FLOW CHART
E250P/P12SW subwoofers
E250P/P12SW subwoofers
E250P/P12SW subwoofers
E250P/P12SW subwoofers
E250P/P12SW subwoofers
E250P/P12SW 120v Electrical Parts List
E250P/P12SW subwoofers
Resistors
E250P/P12SW subwoofers
Part Number
Capacitors
Semiconductors
E250P/P12SW subwoofers
Part Number
Miscellaneous
E250P/P12SW subwoofers
Part Number
Semiconductor Pinout Diagrams
E250P/P12SW subwoofers
See service bulletin for E250P
E250P/P12SW subwoofers
P12SW Value of C65 = 47uf
NOTE THIS VOLTAGE IS REFERENCED TO
E250P/P12SW subwoofers
NOTE THIS VOLTAGE IS REFERENCED TO
NOT CIRCUIT GROUND
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