OHAUS Defender 5000 TD52P Service Manual page 41

6. Remove the power connector, load cell connector, LCD connect and function label
connector from the main PCBA
7. Remove the 4 screws from the PCB and securely remove the main PCBA from the
bottom housing.
When handling the PCB, grasp it by the edges only!
Do not touch the foil side. Static discharge may damage some components.
8. Carefully re-position the replacement PCB over the screw holes in the Top Cover. Re-
insert and tighten the screws.
9. Reconnect the Cable Sets removed in Step 6.
10. *Reconnect the optional RS232 PCBA.
After replacing with a new Main PCBA kindly refer to Appendix A and configure the
11.
main PCBA according to region. Accessory RS232 will need to be installed in order to
complete this process.
5.1.2 TD52XW
1. Unplug the Indicator from the AC power source.
2. Remove the 6 screws from the Bottom Housing.
CAUTION
37 Defender 5000 Indicators Service Manual