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5Remove the panel (rear).
* Be careful not to drop the water immersion protective rubber
(indicated by ●).
* Replace the packing of the disassembled part with a new one.
* When replacing the packing, be careful not to twist it.
6Remove the light receiving board holder clamping screws
(two PTT screws 4 x 16, indicated by ●).
* Replace the packing of the disassembled part with a new
one.
* When replacing the packing, be careful not to twist it.
7Remove the light receiving board from the holder. Remove
the two claws (indicated by ●).
* Replace the packing of the disassembled part with a new one.
* When replacing the packing, be careful not to twist it.
Cautions:
● Reverse the order to replace the Product.
● Make sure that the proper functioning of the unit is restored when
the repair is complete.
*Precautions when replacing Product