JBL HTPS-400 Service manual

JBL Incorporated

250 Crossways Park Dr.

Woodbury, New York 11797

REV 1 10/2001

HTPS-400 THX

®

Subwoofer

SERVICE MANUAL

HTPS-400

CONTENTS

SPECIFICATIONS …….……………….…………….………………….3

DETAILED SPECIFICATIONS ……………………..…………………4

CONNECTIONS ………………………………………………..………6

OPERATION……………………………………..……..…..…….……..8

TROUBLESHOOTING…….…….………………….………………….9

AMPLIFIER BLOCK DIAGRAM…………..…………….……………10

PACKAGING …………………………….………………………….…11

EXPLODED VIEW ……………………………………….……………12

EXPLODED VIEW OF AMPLIFIER…………………….……………13

TEST SETUP and PROCEDURE……………….……..……………14

HTPS-400 ADJUST BIAS PROCEDURE…….…………..……………15

ELECTRICAL PARTS LIST (120v)……………….…….….…………16

INTEGRATED CIRCUIT DIAGRAMS ………………………………23

PRINTED CIRCUIT BOARD DIAGRAMS………………..…………24

SCHEMATICS……………….…..……….……………………………28

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Specifications

Frequency Response: 28Hz - 200Hz
Input: THX®and normal line level
Output: Line level (loop through from input)
Sensitivity: 91dB
Maximum Amplifier Output: 1000 watts
Driver: 12" with aluminum cone and rubber

surround, video-shielded

Crossover Frequency: 50Hz - 150Hz (continuously

adjustable)

Dimensions (H x W x D): 14-5/8" x 14-5/8" x 14-5/8”

(371mm x 371mm x 371mm)

Weight: 62 lb (28kg)

THX is a registered trademark of Lucasfilm, Ltd.

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Detailed Specifications

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Detailed Specifications (Cont.)

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Connections

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Connections (Cont.)

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Operation

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Troubleshooting

Amplifier Block Diagram

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