Service manual

UCW and Ultraview 1700 Monitors — Service Manual
4-26
I/O PCBA Removal/Replacement
1. Remove the I/O and CPU PCBAs as described in the PCBA drawer removal instructions.
2. Disconnect all internal cables from the I/O PCBA.
3. Remove the two screws that secure the I/O PCBA to the rear of the drawer panel, if
applicable.
4. Remove the one screw in the center of the PCBA that secures the PCBA to the CPU PCBA
assembly.
5. Remove all screws and screw locks that hold the connectors to the drawer panel, and slide
the I/O PCBA and CPU PCBA away from the panel.
6. Separate the I/O PCBA from the interconnect/CPU PCBA.
7. Reverse the removal procedure to replace the I/O PCBA.
8. Re-insert the PCBA drawer as described in the PCBA drawer replacement instructions.
Figure 4-13: I/O PCBA
Power Interconnect PCBA Removal
1. Remove the enclosure and bezel according to their respective removal procedures.
2. Remove the two screws that hold the ESD shield against the power interconnect PCBA.
3. Remove the two screws that secure the power interconnect PCBA to the chassis.
4. Pry the upper-right and lower-left corners of the power interconnect PCBA from the chassis’
snap-standoffs and remove the PCBA.
5. Disconnect the power interconnect cable from the PCBA.
6. Reverse the removal procedure to reassemble the power interconnect PCBA.