Thermo Scientific 5028i, Instruction Manual

Page: 218 / 330

Servicing
LCD Module Replacement
7-34 Model 5028
i
Instruction Manual Thermo Fisher Scientific
Figure 7–21. Replacing the Front Panel Board and the LCD Module
Use the following procedure to replace the LCD module ( Figure 7–21 ).
Equipment Required:
LCD module
Philips screwdriver
CAUTION If the LCD panel breaks, do not let the liquid crystal contact
your skin or clothes. If the liquid crystal contacts your skin or clothes,
wash it off immediately using soap and water.
s
Equipment Damage
Some internal components can be damaged by
small amounts of static electricity. A properly grounded antistatic wrist
strap must be worn while handling any internal component.
s
The LCD polarizing plate is very fragile, handle it carefully.
s
Do not wipe the LCD polarizing plate with a dry cloth, as it may easily
scratch the plate.
s
Do not use alcohol, acetone, MEK or other Ketone based or aromatic
solvents to clean the LCD module, but rather use a soft cloth moistened
with a naphtha cleaning solvent.
s
Do not place the LCD module near organic solvents or corrosive gases.
s
Do not shake or jolt the LCD module.
s
1. Turn the instrument OFF, unplug the power cord, and remove the
cover.
LCD Module
Replacement