KEF PSW 1000 User Manual

SERVICE MANUAL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
PARTS LIST:
PRE AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
POWER AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
VOLTAGE SELECTOR BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
PRE AMP AND POWER AMP ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
8” SPEAKER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
POWER CORD CABLE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12
PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
EXPLODED VIEW DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-16
POWERED SUBWOOFER

KEF PSW 1000 Specifications

General

Driver Size	10 inches
Amplifier Power	100 Watts RMS
Frequency Response	30 Hz - 150 Hz
Inputs	Line Level, Speaker Level
Maximum Output	108 dB
Outputs	Speaker Level
Low Pass Filter	40Hz - 150Hz
Type	Powered subwoofer

Summary

SPECIFICATIONS

General Specifications

Lists typical, limit, and unit values for various performance parameters.

Woofer Specifications

Details specifications related to the woofer driver itself, like impedance and sensitivity.

PARTS LIST

Pre Amplifier Section Printed Circuit Board Assembly

Lists components for the pre-amplifier circuit board assembly.

Power Amplifier Section Printed Circuit Board Assembly

Lists components for the power amplifier circuit board assembly.

Volt Selector Section Printed Circuit Board Assembly

Lists components for the voltage selector circuit board assembly.

Pre Amp & Power Amp Assembly

Lists components related to the assembly of pre and power amplifier sections.

8" Speaker Assembly

Lists the components for the 8-inch speaker assembly.

Power Cord Cable Assembly

Lists components for the power cord and cable assembly.

BLOCK DIAGRAM

SCHEMATICS DIAGRAMS

Pre Amp Schematic

Detailed circuit diagram for the pre-amplifier section.

Power Amp Schematic

Detailed circuit diagram for the power amplifier section.

PCB LAYOUT

Voltage Selector PCB Component Side

Illustrates component placement on the voltage selector PCB.

Pre Amplifier PCB Component Side

Illustrates component placement on the pre-amplifier PCB.

Power Amplifier PCB Component Side

Illustrates component placement on the power amplifier PCB.

EXPLODED VIEW DIAGRAMS

Main Assembly Diagram

Visual breakdown of the main unit's components and their assembly order.

Packing Exploded View

Visual breakdown of the packaging materials and their arrangement.

Assembly Exploded View

Visual breakdown of the unit's assembly from a different perspective.