60
Please do not damage the harnesses when assembling the optical unit cover.
12-3
Replacement of the optical unit ASSY, CMOS harness
1)
Remove the measuring window ring with turning it to the left.
2)
Remove the main unit cover L and R (refer to 12-1).
3)
Remove the optical control board ASSY (refer to 12-2).
4)
Cut the tierap etc. and remove the harness that is connected to the optical unit ASSY.
5)
Remove the optical unit ASSY cover. (This is fixed with 4 screws)
Measuring
window ring
Fixing screws
Optical ASSY cover
6)
In case of replacement of CMOS harness, remove the harness that are connected to and
replace it.
7)
In case of replacement of the optical unit ASSY, unscrew 4 fixing screws and remove the
optical unit. Do not touch the internal optical parts because it might derange the
adjustment and affect on the measurement accuracy.
Optical unit ASSY
Fixing screws
CMOS harnesses
8)
This is the end of disassembling process of the optical unit ASSY. Assemble the optical
unit ASSY with the backward process of disassembly.
9)
Take measurements with the model eye and check measurement accuracy after replacing
to the new optical ASSY.
Please do not damage the harnesses when cutting the tierap.
Summary of Contents for AKR 750
Page 1: ...Auto kerato refractometer Maintenance Manual V1 09 2016 ...
Page 6: ...4 Block Diagram ...
Page 7: ......
Page 8: ...8 ...
Page 66: ...65 ...