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21
Replacing the PMT assembly
1.
Follow step 1 through 9 of
Disassembly
.
2.
Put the scanner onto its side and remove the 6 screws using a 2.5mm hex key and remove the
bottom cover.
3.
Disconnect the BNC (
1
) and HV (
2
) connectors from the back of the main board.
4.
Rotate the unit to access the opposite side and remove the 2 screws fastening the bracket
using a Philips #1 screwdriver. Reuse the bracket during installation.
1
2
Summary of Contents for Fire CR dental
Page 1: ...Service Manual Hardware revisions AH and later ...
Page 2: ...1 ...
Page 9: ...8 8 Set the reader back upright and carefully lift the top cover off ...
Page 10: ...9 9 Remove the 4 screws fastening the inner chassis using a 2 5 mm hex key and lift it off ...
Page 19: ...18 13 Replace the optics bracket and install in reverse order 1 2 ...
Page 39: ...38 7 Replace the bottom board and install in reverse order ...
Page 63: ...62 ...