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These instructions are intended to help restore any ailing SWA1801z Active Subwoofer back to factory working conditions. They show how to remove and replace the woofer and amplifier assembly.

Please contact Mackie Tech Support (1-800-898-3211) to receive a Service Request Number and Order Number for parts needed for this restoration. They will also help you determine the nature of the problem and what parts will repair the unit.

Tools needed:

***NOTE: not all tools listed below will be needed for your repair***

•Phillips head screwdriver.

•5mm allen wrench.

•Solid workbench.

•Non-carpeted work area due to static electricity. If available, an ESD mat (Electro-static discharge) is optimal.

Parts needed:

***NOTE: not all parts listed below will be needed for your repair***

•

Led PCB Assembly

Part #0007334

pages 3-4

•

18” Woofer

Part #0012184

pages 5-6

•

Amplifier Assembly

Part #0016875

pages 7-9

Safety Warnings:

•Make sure that you turn off the unit and disconnect the power cord (and all other cords) before you begin these procedures.

•Always use safety glasses!

•Please try NOT to touch any of the pcb circuitry, capacitors, resistors, etc.

•Take care to read and follow these instructions. It may help to read the instructions prior to the repair to get an idea of what it entails.

•Before beginning the repair, touch metal to discharge any lingering internal static electricity.