Essilor AKR 550, Maintenance Manual

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12-5 Replacement of PD ASSY, switching power supply and
power switch
・
Removal of base plate
・
Replacement of PD ASSY and switching power supply
・
Replacement of power switch
1) Lock the main unit slide lock and
lay down the device on the buffer
materials such as a sponge.
2) Unscrew 6 fixation screws (2 in
blue circles and 4 in red circles),
and then remove the base plate.
Main unit slide lock
A
A
B
5) Pinch A part of the power switch
with a nipper etc. and push it out to
the direction B.
6) Remove 4 connected harnesses, and
then replace the power switch.
＊
For assembling, follow the reverse procedures.
Light blue: to power inlet
Brown: to power inlet
Light blue: switching supply
Brown: switching supply
3) Remove 1 connected harness and 2
fixation screws (blue circle), and
then replace the PD ASSY.
4) Remove 3 connected harnesses and
4 fixation screws (red circle), and
then replace the switching power
supply.
Harness
PD ASSY
Switching power supply
Harness
Harness