System installation
33
Document no. M1137263-04
3.4.6 Replacing PC boards
For service procedures refer to Part II.
1. Make sure that the power is turned off the Monitor and unplug the power cord. Press and
hold the service reset button on the rear panel of the F-CPU for at least five seconds or
until an audible tone is heard (see Figure 15).
Figure 15 Service reset button
2. Remove the PC board (two screws). Notice that the PC boards can be removed only in
certain order.
WARNING The circuit boards contain sensitive integrated circuits that can be
damaged by an electrostatic discharge. Careful handling of the boards is
therefore essential.
NOTE: The B-UPI4NET contains components on both sides of the PCB. Therefore, the installation
of B-UPI4NET should be handled with extra care. Detach the board from the frame carefully by
pulling it from the X3 connector (25 pin female D-connector).
3. Remove the new PC board from the protective antistatic packaging. Always hold the
board by the edges and wear a wrist-grounding strap.
4. Insert the new PC board into the vacant slot and firmly press the board into position.
Secure the board (two screws).
5. Insert all other circuit boards, cover plates and EMC plates.
6. Reconnect the power cord.
3.4.7 Performing Factory Reset
NOTE: The factory reset is necessary after downloading of monitor software and after
replacing the CPU board or SRAM/Timekeeper battery
.
NOTE: A factory reset will restore all customized defaults, including language selection, to
factory defaults.
1. Press the
Monitor Setup key.
2. Select Install/Service and password (16-4-34).
3. Select Service and password (26-23-8).
4. Select Set/Test and perform a Factory Reset.
5. The monitor will perform an automatic restart. After the restart is completed, restart the
monitor also manually by the On/Standby switch.
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