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Surround Cinema

SUB300
Amplifier/Subwoofer

SERVICE MANUAL




JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797 Rev2 10/2005
Note: The SUB300 is part of the SCS300.7 system
Satellite loudspeakers SCS300SAT: order JBL part# SCS300SAT-1
Center channel SCS300CEN: order JBL part# SCS200/300CEN-1

- CONTENTS -

BASIC SPECIFICATIONS...................................................1
DETAILED SPECIFICATIONS .........................................2
OPERATION ................................................................4
CONNECTIONS...............................................................5
BASIC TROUBLESHOOTING.............................................7
TEST SET-UP AND PROCEDURE.....................................8
EXPLODED VIEW/PARTS LIST.........................................9
BLOCK DIAGRAM..........................................................10
PCB DRAWINGS...........................................................11
120V ELECTRICAL PARTS LIST .....................................13
230V ELECTRICAL PARTS LIST .....................................16
INTEGRATED CIRCUIT/TRANSISTOR PINOUTS.................19
120V SCHEMATICS............................................ .........20
230V SCHEMATICS............................................ .........23
PACKAGING................................................................25

BASIC SPECIFICATIONS

SUB300 Subwoofer
Configuration: Floor-firing, bass-reflex ported enclosure

Woofer: 10" (254mm) cone

Amplifier Power output: 150W Continuous RMS power

Frequency response: 30Hz