- The process for replacing a volume encoder begins with pulling the volume knob straight back from the encoder shaft
- Make sure the rubber insert stays with the volume knob -
- The volume encoder shaft should look like so before proceeding -
- Using a thin-walled 10mm socket, remove the lock nut fastening the encoder to the front of the speaker cabinet -
- Once you have removed the amp backplate on the back of the active speaker, make sure to remove the encoder wiring terminal clip from the amp circuit board. You can then fully uninstall the encoder assembly by pulling back the encoder shaft from the inside -
- Finally, the IR receiver can be removed by using a long-necked Phillips PH1 screw driver to remove the 2 screws fastening the IR receiver on the inside of the cabinet -
After fully removing the faulty encoder, the replacement can be installed following these steps in reverse order before finally connecting the wiring clip to the amp circuit board and fastening the amp backplate back onto the active speaker.
The process can be a bit cramped if you wish to do as little disassembly as possible, or a bit easier if you are comfortable moving parts to give yourself more workspace. The sound damping insulation normally overlaps at the bottom of the active cabinet. This can be peeled back similar to the reference picture attached. The crossover is mounted underneath this insulation (If process being done on an HD6) and is perhaps the most obtrusive part when replacing a volume encoder. This has two Philips head screws mounting it to the base of the cabinet along with an adhesive pad to reduce noise vibration. It is possible to remove the two screws and lift the adhered crossover up from the base of the cabinet momentarily to get better access to the IR receiver and volume knob assemblies at the front. If you'd rather not risk damaging anything, the IR receiver can still be unscrewed from the inside of the cabinet with a long-necked Phillips PH1 driver. The volume knob is loosened from the outside of the cabinet with a thin-walled 10mm socket found by pulling the volume knob straight back from the encoder shaft. Ample lighting will also make this work easier
