Thermo Scientific 5028i Instruction Manual page 219

Servicing
Service Locations
2. Disconnect the ribbon cable and the two-wire connector from the
front panel board.
3. Remove the four screws at the corners of the LCD module.
4. Slide the LCD module out towards the center of the instrument.
5. Replace the LCD module by following the previous steps in reverse.
Note The optimal contrast will change from one LCD screen to
another. After replacing the LCD screen, the contrast may need to be
reset. If the content on the screen is visible, select Instrument Controls
> Screen Contrast and adjust the screen contrast. If the content on
the screen is not visible, use the "set contrast 10" C-Link command to
set screen constrast to mid range, then optimize the contrast. See the
"C-Link Protocol Commands" appendix for more information on this
command.
s
Service Locations
For additional assistance, service is available from exclusive distributors
worldwide. Contact one of the phone numbers below for product
support and technical information or visit us on the web at www.
thermofisher.com.
1-866-282-0430 Toll Free
1-508-520-0430 International
Thermo Fisher Scientific Model 5028i Instruction Manual 7-35