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JBL ES250PW Service Manual

JBL ES250PW
56 pages
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ES Series
ES250PW
Wireless Powered Subwoofer
Service Manual
JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797
Released 2008 Rev
2 3/2009
Discontinued XXXX
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JBL ES250PW Specifications

General IconGeneral
Amplifier Power RMS400 Watts
Amplifier Power Peak700 Watts
Frequency Response25Hz - 150Hz
Driver12" (300mm) PolyPlas
InputsLFE, Line-Level
Crossover Frequency50Hz - 150Hz
Enclosure TypeBass-Reflex

Summary

JBL ES250PW Service Manual

Specifications

ES250PW Product Specifications

General specifications including power, driver, inputs, and frequency response.

Amplifier Section Specifications

Detailed specifications for the amplifier section, including input sensitivity and noise.

Wireless Transmitter Performance

Performance metrics for the wireless transmitter system and its components.

Packaging

Packaging Components List

Detailed list of components included in the product packaging.

Controls and Connections

Rear Panel Controls

Identification and function of the rear panel controls and connectors.

System Connections

Wireless Connection Setup

Guide for connecting the subwoofer wirelessly to a source.

Wired Connection Setup

Guide for connecting the subwoofer via wired audio cables.

Operation

Power On and Standby Modes

Procedures for powering the unit on, off, and standby modes.

Adjusting Level and Phase

Guidance on setting subwoofer volume, phase, and crossover.

Wall-Mounting the Transmitter

Instructions for mounting the wireless transmitter module securely.

Subwoofer Exploded View and Parts List

Subwoofer Component Identification

Diagram showing subwoofer parts with corresponding part numbers.

Transmitter Exploded View and Parts List

Transmitter Component Identification

Diagram showing transmitter parts with corresponding part numbers.

Test Set Up and Procedure

Unit Function Test (Wireless)

Steps for testing the unit's function using the transmitter.

Unit Function Test (Wired)

Steps for testing the unit's function without the transmitter.

Sweep Function Test

Procedure for testing the unit using a sweep generator for noise detection.

Driver Function Test

Procedure for testing the subwoofer driver's DC resistance and audio output.

ES250PW Testing Flow Chart

Transmitter Troubleshooting Flow Chart

Wireless Receiver Troubleshooting Flow Chart

Circuit Schematics

Wireless PCB Schematic

Schematic diagram for the Wireless PCB.

Power Amplifier PCB Schematic

Schematic diagram for the Power Amplifier PCB.

Electrical Parts List

Main/Power Supply PCB Components

List of resistors, capacitors, and semiconductors for the main PCB.

Input/Preamp PCB Components

List of components for the Input/Preamp PCB.

Miscellaneous Components

List of miscellaneous parts, including wires and connectors.

EQ Daughter Board PCB Components

List of components for the EQ Daughter Board PCB.

Wireless Receiver PCB Components

List of components for the Wireless Receiver PCB.

Class D PCB Assembly Components

List of components for the Class D PCB assembly.

EMI/Fuse PCB Components

List of components for the EMI/Fuse PCB.

Miscellaneous/Mechanical Parts

List of mechanical parts, screws, and gaskets.

LM5008 Datasheet

LM5008 Pin Description

Detailed description of each pin on the LM5008 IC.

LM5008 Application Circuit

Typical application circuit and block diagram for the LM5008.

74HC/HCT165 Datasheet

74HC/HCT165 Pin Description

Description of the pins and functions of the 74HC/HCT165 IC.

74HC/HCT165 Function Table

Truth table detailing the operation modes and inputs/outputs.

CS4340 Datasheet

CS4340 Pin Description

Detailed description of each pin on the CS4340 DAC.

STM809/810/811/812 Datasheet

STM809/810/811/812 Features Summary

Summary of features for the STM809-812 supervisory reset ICs.

STM809/810/811/812 Summary Description

Overview of the STM809-812 microprocessor supervisory reset circuits.

WHAM2 Wireless Audio Solution

WHAM2 General Description

Overview of the WHAM2 wireless audio module features and applications.

WHAM2 Receiver Pinout

Detailed pin configuration for the WHAM2 receiver module.

WHAM2 Pinout Configuration

WHAM2 Transmitter DM Layout

Diagram showing the transmitter module's component layout.

WHAM2 Receiver DM Layout

Diagram showing the receiver module's component layout.

WHAM2 RX Jumper Configurations

WHAM2 RX Jumper Options

Table detailing jumper settings for WHAM2 RX configurations.

Integrated Circuit Diagrams

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