EBC ELECTRONICS
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How to Remove Velodine DD series plate amplifier

Warning

SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR SERVICE OF ELECTRONICS EQUIPMENT.
ALL WORKS MUST ONLY BE DONE BY AN QUALIFIED TECHNICIAN.

Unplug main power cord and wait at least 2 hours before proceed with the future steps.

Your work space should be free of any small metal objects or metal dust. There is huge magnet inside the cabinet, small objects can get inside and damage the woofer or cause distortion.
Whenever is possible avoid shipping whole cabinet. Ship the back plate amplifier only.

Remove backplate screws

Remove 12 circled screws from the back plate, as indicated in figure.
Gently pull plate amplifier of the cabinet.

Disconnecting

Take pictures of connectors or mark them for your future reference.
Then unplug circled connectors.

Packing

Obviously PC boards are relatively fragile, and poor packing can result in a board that is damaged beyond repair.
To properly pack the board, wrap it in three layers of the large bubble wrap.
Put the packaged board into a snug fitting box, or use more bubble wrap to fill the box so the boards do not bang around in transit.