Quantronix CubiScan 125, Service Manual

Page: 41 / 95

Part Replacement Replacing the Width Transmitter Board
CubiScan 125 Service Manual 3 1
place using the 5/64'' Allen wrench. Refer to
Figure 25 .
3. When the screws have been loosened, slide the gate
cover up and away from the CubiScan 125.
4. Disconnect the receive ribbons DB25 and DB9 by
simultaneously pushing the tabs located on each end
of the connectors outwards. These ribbon cables are
indicated in
Figure 26 .
5. Disconnect the two power cables, indicated in
Figure 26 .
6. Remove the six screws holding the receiver board in
place, using a Phillips screwdriver. These screws are
shown in
Figure 27 .
7. Carefully remove the damaged receiver board and
replace it with the new receiver board. Handle the
board with care; the LEDs are fragile and can be
broken. Make sure you orient the receiver board
correctly, with the power connectors in the bottom-
left corner.
8. Screw the replacement receiver board into place
using the screws from step 6.
9. Make sure that the jumper is set to the
3
position.
10. Reattach the power cables and receive ribbons, as
indicated in Figure 26 . Make sure the ribbons have
been firmly locked into place, with both tabs securely
snapped.
11. Replace the gate cover and tighten the screws from
step 2.
12. Power the CubiScan 125 on.
Replacing the Width Transmitter
Board
This section describes how to replace one of the width
transmitter boards on the CubiScan 125.
Figure 26
Height Receiver Board
Figure 27
Height Receiver Board Assembly
Ribbon cables
Power cables