Servicing
LCD Module Replacement
7-46 Model 42i Low Source Instruction Manual Thermo Electron Corporation
LCD Module
Replacement
Use the following procedure to replace the LCD module (Figure 7-23).
Equipment Required:
LCD module
Philips screwdriver
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Remove the two screws from right side of LCD module (viewed front
front).
3. Disconnect the ribbon cable and the two-wire connector from the front
panel board.
CAUTION If the LCD panel breaks, do not to 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.
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.
Do not remove the panel or frame from the module.
The polarizing plate is very fragile, handle it carefully.
Do not wipe the polarizing plate with a dry cloth, it may easily scratch the
plate.
Do not use alcohol, acetone, MEK or other Ketone based or aromatic
solvents to clean the module, use a soft cloth moistened with a naphtha
cleaning solvent.
Do not place the module near organic solvents or corrosive gases.
Do not shake or jolt the module.
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