JBL HTPS-400 User manual

JBL Incorporated
250 Crossways Park Dr.
Woodbury, New York 797
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

HTPS-400 SUBWOOFER
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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.

HTPS-400 SUBWOOFER
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Detailed Specifications

HTPS-400 SUBWOOFER
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Detailed Specifications (Cont.)

HTPS-400 SUBWOOFER
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Connections

HTPS-400 SUBWOOFER
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Connections (Cont.)

HTPS-400 SUBWOOFER
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Operation

HTPS-400 SUBWOOFER
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Trou leshooting

Amplifier Block Diagram
HTPS-400 SUBWOOFER
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