K, KW, and KLA Series Amplifier Removal

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pdf-icon_50.pngPDF version available

 

This blog post/guide provides the step-by-step instructions to remove the amplifier module from K, KW, and KLA series loudspeakers for service, repair, or replacement. The amplifier module, commonly called the Bucket of Power (BOP), is a separate assembly that is easily removed from any powered loudspeaker in the House of K family. If the BOP experiences problems such as intermittent power or no power, the BOP alone can be sent in for service because it is a complete assembly. If you require factory service for your QSC House of K product, shipping charges can be expensive for the entire loudspeaker. Shipping only the BOP for service can greatly reduce shipping charges.

If you don’t know which part in the loudspeaker has failed, please contact QSC Technical Services for further troubleshooting help.

 

Attention

If you are not a QSC Authorized Service Center, do not open the front plate of the amplifier module where all the electronic parts are located. Attempting to repair the amplifier module yourself by opening the front plate will VOID your warranty. Please only remove the amplifier module from the loudspeaker enclosure.

 

Only 2 tools are needed for this repair:

Phillips head screwdriver or electric drill with Phillips head extension
Putty knife, butter knife, or similar style tool

Maybe your hand

BOP_tools2.jpg BOP_tools1.jpg BOP_hand.jpg

 


Removing the Amplifier Module from the Enclosure

1. Unplug the any cords connected to the loudspeaker. You may orient the speaker in any direction that is best for you. You may set the loudspeaker face down on a pad or cushion to protect the grille and finish. 


2. Locate the outer-ring of screws that fasten the amplifier module to the enclosure. Remove the 10 screws slowly with a Phillips head screwdriver.

BOP_fastenerGuide.jpg BOP_screws.jpg


3. Using a putty knife, butter knife, or similar tool, place it in an open gap between the enclosure and amplifier module. Pry the amplifier module outward. You may have to pry in multiple locations to loosen the module from the enclosure.

BOP_puttyknife.jpg


4. Gently and slowly pull the amplifier module out of the enclosure as described in the photo below. DO NOT pull the amplifier module out of the enclosure. There is a multi-pin connector in the rear of the amplifier module.

BOP_pullout.jpg


5. Detach the multi-pin connector from the rear of the module. You must press down on the small latch to release it. 

BOP_molex.jpg

 


You are done! Please send this module in if it needs service or change it with a replacement.

BOP_done.jpg