JBL 1500 User Manual

Project Array
™
1500 Array
Subwoofer
Service Manual
JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797 Rev0 4/2006

JBL 1500 Specifications

General

Brand	JBL
Model	1500
Category	Subwoofer
Language	English

Summary

1500 Array Specifications

General Specifications

Overview of general technical specifications including output, transducer, and dimensions.

Packing and Components

Mechanical Parts List

Detailed list of mechanical parts, including cartons, foam, and feet, with part numbers.

Speaker Connections and Controls

Line-Level Input and Output

Details on connecting line-level audio signals to the subwoofer's input and output.

Power Indicator and Controls

Explanation of the power status indicator and various controls on the subwoofer.

Crossover and Phase Settings

Guidance on adjusting crossover frequencies and phase for optimal audio performance.

1500 Array Operation Guide

Power On and Standby Modes

Instructions for powering on the subwoofer and understanding its auto standby functionality.

Adjusting Subwoofer Level

Steps for setting the subwoofer volume to achieve a balanced bass response.

Crossover and Phase Adjustments

How to set crossover frequency and phase for optimal sound integration with main speakers.

Basic Troubleshooting

Low or No Bass Output Issues

Common solutions for when the subwoofer produces little or no bass output.

Exploded View and Parts List

Exploded View Diagram

Visual representation of the subwoofer's components for assembly and identification.

Mechanical Parts List

Detailed list of all mechanical parts used in the 1500 Array subwoofer.

Test Procedure Guide

General Unit Function Test

Steps to verify the basic functionality of the subwoofer unit.

Sweep and Driver Function Tests

Procedures for testing the sweep response and individual driver performance.

Block Diagram Overview

Electrical Parts Lists

Driver PCB Components

List of resistors and capacitors for the Driver PCB.

Preamp PCB Components

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

Power, Fuse, Daughter, and Main PCB Components

Fuse PCB Components

List of components for the Fuse PCB, including clips and fuses.

Power PCB Components

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

Daughter PCB Components

List of components attached to the Daughter PCB.

Main PCB Components

List of resistors, capacitors, semiconductors, and miscellaneous parts for the Main PCB.

Mechanical Parts Details

Mechanical Parts Listing

Continuation of mechanical parts, including straps, relays, gaskets, knobs, and sockets.

Integrated Circuit Diagrams

TOPSwitch Family Diagram

Schematic and functional block diagram for the TOPSwitch family PWM switch.

Op-Amp and Transistor Diagrams

Pinouts and functional diagrams for common operational amplifiers and transistors.

JFET Diagram

Pinout diagram for the JFET J111.