HTS-420R Maintenance Manual
2
Handle Unit
1. Unscrew the two bolts with hand then take out the handle unit.
Display Unit (Face 2)
1. Unscrew the 4 screws then open the screen unit and turn it over.
2. Take off both compensator cables and LCD flat cable then take the display unit out.
EDM board
1. Unscrew the 4 screws and remove the top telescope cover. Refer to figure 2-4.
2. Take off all the cables and the 3 screws on the board. Refer to figure 2-5.
3. Turn over the EDM board then unscrew the fixing screw of the optical fiber cable and take the cable out.
Refer to figure 2-6.
Figure 2-2 display screws
Figure 2-3 display cables
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