Mackie SA 1232Z User Manual

SA1232z REPAIR MANUAL

These instructions are intended to help restore any ailing SA1232z Active Loudspeaker back to factory working conditions. They show how to remove and replace the drivers and the ampliﬁ er 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.

• 3mm 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

• 12” Woofer (Bottom) Part #0013920 pages 5-6

• 12” Woofer (Top) Part #0013920 pages 7-8

• High Frequency Driver Part #0013925 pages 9-12

• Diaphragm Part #coming soon page 13

• Mid Frequency Driver Part #0013897 pages 14-15

• Ampliﬁ er Assembly Part #0013840-00 pages 16-19

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.

Led PCB replacement:

Carefully begin to remove the grill. Do

not fully remove the grill as the cable is still ﬁ rmly attached to the led PCB assembly. A ﬂ at head screwdriver may aid in loosening the grill from the cabinet.

Five screws need to be removed from

Keep the ten screws in a safe place.

each side of the grill using the phillips head screwdriver (ten screws in all).

Carefully remove the cable attached to

Use the phillips head screwdriver to

the led PCB assembly.

remove one screw near the center of the led PCB assembly.

Led PCB replacement continued:

Carefully remove the led PCB assembly

from the back side of the grill.

The hard part is done, the rest is easy!

Place the new led PCB assembly (part #0007334) where the old one was. Follow the same steps as above, but backwards 6 to 1. Power up the SA1232z and the led should light up. Congratulations, you just replaced an led PCB assembly...now go play some shows!

Follow steps 1-4 of the led PCB

Bottom woofer replacement:

replacement instructions, as the grill will need to be removed in order to access the bottom woofer.

screws 1-6

screws 7-8

Keep the eight screws and ﬂ at washers

in a safe place. Note: There are two different screws that connect the woofer to the cabinet.

Carefully begin to remove the woofer.

A ﬂ at head screwdriver may aid in loosening the woofer by prying between it and the cabinet. Hold the woofer in place with one hand while prying around the edge with your free hand.

Caution: The woofer is approximately

14 pounds with the weight unevenly distributed.

Eight screws and washers need to be

removed from the woofer using the phillips head screwdriver.

Bottom woofer replacement continued:

Push down

The positive (solid yellow) and negative

The picture on the right shows what

(solid black) cables are still attached to the woofer terminals. Remove the cables from their terminals simply by pushing down on the terminal and pulling out the cable.

the SA1232z looks like with the grill and bottom woofer removed . Place the new woofer (part #0013920) where the old one was. Follow the same steps as above, but backwards 5 to 1, making sure to keep the led PCB assembly cable in front of the woofer. Power up the SA1232z and the new woofer should now be pumping out glorious lows. Awesome, you just replaced a 12” woofer!

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