JBL HTPS-400 THX - User Manual

JBL Incorporated
250 Crossways Park Dr.
Woodbury, New York 11797
REV 1 10/2001
HTPS-400 THX
®
Subwoofer
SERVICE MANUAL

Summary

Specifications

Connections

Operation

Toggle Position Procedure

Describes the auto turn-on/off circuit and LED indicator states.

Troubleshooting

No Output Troubleshooting

Steps to resolve issues where the subwoofer produces no sound.

Low Bass Output Troubleshooting

Steps to resolve issues with insufficient bass output from the subwoofer.

Midrange Frequencies Troubleshooting

Amplifier Block Diagram

Test Set Up and Procedure

HTPS-400 ADJUST BIAS PROCEDURE

Integrated Circuit Diagrams

Feature Board Assembly Schematic

EMI Filter PCB

Linear;Class B

Power Supply Assembly

JBL HTPS-400 THX Specifications