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These instructions are intended to help restore any ailing SA1521z 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 and 4mm allen wrench.
•  10mm open end wrench OR 13/32 inch socket.
• 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

• 

15” 

Woofer 

   Part 

#0013918 

  pages 

5-6

•  High Frequency Driver   

Part #0013925 

 

 

pages 7-9

• 

Diaphragm 

   Part 

#coming 

soon  page 

 

10

• Amplifi er Assembly  

 

Part #0013838-00   

 

pages 11-13

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. 

Summary of Contents for SA1521Z

Page 1: ...1 SA1521z REPAIR MANUAL...

Page 2: ...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 pag...

Page 3: ...grill as the cable is still firmly attached to the led PCB assembly 2 Keep the six screws in a safe place 4 Carefully remove the cable attached to the led PCB assembly 1 Three screws need to be remove...

Page 4: ...sy 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 SA1521z and the led should light up Congratulations you just repla...

Page 5: ...rom the woofer using the 4mm allen wrench 3 Keep the eight screws and flat washers in a safe place 4 Carefully begin to remove the woofer This woofer has a tendency to want to pop out so please be sur...

Page 6: ...the new woofer part 0013918 where the old one was Follow the same steps as above but backwards 6 to 1 making sure to keep the led PCB assembly cable in front of the woofer Power up the SA1521z and the...

Page 7: ...river 2 Eight screws and washers need to be removed from the horn using the phillips head screwdriver 3 Keep the eight screws and flat washers in a safe place Note There are two different screws that...

Page 8: ...iver may help in horn removal if it is sticking to the cabinet Caution The horn weighs about 5 pounds and the weight is not evenly distributed 6 Four nuts and eight washers may be removed from the dri...

Page 9: ...four headless screws in a safe place as well 10 This is a straight down shot of the horn assembly There are two somewhat oval shaped indents next to where the terminal markings are as shown above Thi...

Page 10: ...as Follow the same steps as above but backwards 4 to 1 Power up the SA1521z and the new diaphragm should now be pumping out those highs again Sweet you just replaced a diaphragm Diaphragm replacement...

Page 11: ...s capped by two cover plates part 33901380 outlined above 3 The covers may be worked loose by wedging a flat head screwdriver in between the cabinet and the cover as well as the amplifier assembly and...

Page 12: ...eady to be separated from the cabinet Do not completely take the amplifier assembly off yet as five cables need to be removed first as shown above 1 led PCB cable 2 solid blue 3 blue and black 4 yello...

Page 13: ...emoved from but on the new amplifier assembly See steps 6a and 6b below for closeups of the photograph above Amplifier assembly replacement continued 6a A closeup of the led PCB cable connector is sho...

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