ThermoFisher Scientific Ozone Primary Standard 49iQPS, Instruction Manual

Page: 168 / 256

Servicing
LCD Module Replacement
6-12 49iQPS Instruction Manual Thermo Scientific
Use the following procedure to replace the LCD module.
Equipment required:
Wrench, 1/4
1. Turn instrument OFF and unplug the power cord.
2. Gripping from the top corners of the front panel and pull outwards.
3. Unfasten four nuts ( Figure 6–13 ).
Figure 6–13. Replacing the LCD Module
4. Remove cover.
5. Unplug LCD cables from backside of board.
6. Pull board off the standoffs.
LCD Module
Replacement