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Alvarez SA1521z manual

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Table of contents for the manual

  • Page 1

    1 SA1521z REPAIR MANUAL[...]

  • Page 2

    2 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 ampli fi 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. The[...]

  • Page 3

    3 Led PCB replacement: 3 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. 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 removed from each side of the grill using the phillips head screw[...]

  • Page 4

    4 6 Carefully remove the led PCB assembly from the back side of the grill. Led PCB replacement continued: 7 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 SA1521z and the led should light up. Congratulations, you just r[...]

  • Page 5

    5 Woofer replacement: 1 Follow steps 1-4 of the led PCB replacement instructions, as the grill will need to be removed in order to access the woofer. 2 Eight screws and washers need to be removed from the woofer using the 4mm allen wrench. 3 Keep the eight screws and fl at washers in a safe place. 4 Carefully begin to remove the woofer. This woofe[...]

  • Page 6

    6 Woofer replacement continued: 6 Remove the cables from their terminals simply by pushing down on the terminal and pulling out the cable. 7 This is what it looks like with the grill and woofer removed. Place 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 a[...]

  • Page 7

    7 High Frequency Driver replacement: 1 Follow steps 1-4 of the led PCB replacement instructions, as the grill will need to be removed in order to access the high frequency driver. 2 Eight screws and washers need to be removed from the horn using the phillips head screwdriver. 3 Keep the eight screws and fl at washers in a safe place. Note: There a[...]

  • Page 8

    8 High Frequency Driver replacement continued: 5 The positive (solid blue) and negative (blue and black) cables are still attached to the high frequency driver terminals. Remove the cables from their terminals simply by pushing down on the terminal and pulling out the cable. 7 Keep the four nuts, four fl at washers, and four locking washers in a s[...]

  • Page 9

    9 High Frequency Driver replacement continued: 9 The high frequency driver should easily lift right off of the horn assembly. Holding down the horn assembly with one hand while lifting up on the driver with the other hand may help. 8 Keep the four headless screws in a safe place, as well. 10 This is a straight down shot of the horn assembly. There [...]

  • Page 10

    10 3 The horn is shown above with the high frequency driver circled. Four screws need to be removed from the driver using the 3mm allen wrench. 4 Keep the four screws in a safe place. 5 The diaphragm and plate adapter are easily removed from the horn assembly. They may not be broken down any further. Place the new diaphragm (part # coming soon) and[...]

  • Page 11

    11 Ampli fi er Assembly replacement: 1 Fourteen screws need to be removed from the ampli fi er assembly using the phillips head screwdriver. The ampli fi er assembly is capped by two cover plates (part #33901380) outlined above. 3 The covers may be worked loose by wedging a fl at head screwdriver in between the cabinet and the cover, as well as[...]

  • Page 12

    12 Ampli fi er assembly replacement continued: 4 Once the two cover plates are removed, two more screws need to be taken out in order to separate the ampli fi er assembly from the cabinet. Keep the two screws in a safe place. 5 The ampli fi er assembly is now ready to be separated from the cabinet. Do not completely take the ampli fi er assembl[...]

  • Page 13

    13 7 Place the new ampli fi er assembly (part #0013838-00) where the old one was. Follow the same steps as above, but backwards 6 to 1. Remove the serial number from the faulty ampli fi er assembly (as shown in picture above) and place on the new ampli fi er assembly. Power up the SA1521z and relish in the fact that you just replaced an ampli ?[...]