Quantronix CUBISCAN 25, Service Manual

Page: 39 / 99

Part Replacement Replacing the Width Transmitter Board
CubiScan 25 Service Manual 3 0
2. Carefully remove the glass platform and place it in a
safe location.
3. Remove the four thumb screws (two at each end of
the CubiScan 25) holding the scale plate in place.
4. Remove the scale plate and set it aside.
5. Remove the four screws holding the gate cover in
place using the 3/32'' Allen wrench. Refer to
Figure 24 .
6. Remove the Plexiglas cover guard and set it aside.
7. Remove the four Allen screws, two on each side of
the gate, using the 1/16'' Allen wrench. Refer to
Figure 25 and Figure 26 . The width transmitter gate
assembly will now be free to move.
8. Carefully lift up the width transmitter gate assembly
and turn it over.
9. Using the Phillips screwdriver, remove the six screws
holding the transmitter board in place. These screws
are located in each corner and the middle of the
transmitter board.
10. Disconnect the power cable, as indicated in
Figure 27 .
11. Disconnect the DB9 transmit ribbon by
simultaneously pushing the tabs located on each end
of the connector outwards. The transmit ribbon is
indicated in
Figure 27 .
12. Carefully remove the damaged transmitter board
and replace it with the new transmitter board.
Handle the board with care; the LEDs are fragile and
can be broken. Make sure you orient the transmitter
board correctly, with the power connector towards
the back of the CubiScan 25.
13. Screw the replacement transmitter board into place
using the screws from step 9.
14. Reattach the power cable and transmit ribbon, as
indicated in Figure 27 . Make sure the transmit
ribbon has been firmly locked into place, with both
tabs securely snapped.
Figure 25
Width Transmitter Gate Screws 1
Figure 26
Width Transmitter Gate Screws 2
Figure 27
Width Transmitter Inside View
Screws
Screws
Transmit Ribbon
Connector
Power Connector