10.2
Unit Dismantling
Caution: Ensure that mains supply is removed before opening unit
1. Invert unit on a smooth surface and remove 5 case securing screws.
2. Turn unit over and carefully raise the top case half. Unplug front panel
ribbon cable and place case half to one side, avoiding strain to the earth
wire.
10.3
Unit Reassembly
1. Ensuring that front panel ribbon cable and safety earths are fitted, locate top
case over speaker and front panel alignment guides.
2. Invert unit and refit 5 securing screws and tighten to 45cNm.
10.4
Display/Front Panel Switch PCBs Removal
1. Dismantle unit as previously detailed in 7.2.
2. Remove 6 nuts from front panel switch PCB, 3 nuts from display PCB and
their nylon washers.
3. Carefully lift PCBs and earth wire (see Fig 11) clear from case assembly.
10.5
Display PCBs Refitting
1. Place PCBs over pillars, fit nylon washers and torque nuts to 20cNm.
38
Issue: 2 Draft
Rev: a
614365
Fig 5 Case Screw Removal
