Toshiba S2E21 - Manual (Page 46)

TOSHIBA
6.1.2 Inspection Item
Dust and dirt
When the surrounding portions of the conductors are dirty, wipe them clean
with dry cloth.
Never use organic solvents such as gasoline or benzine.
Loose screws
Retighten loose screws with screwdriver.
Check of settings
Check the settings against the setting table.
Characteristic and operation check
When required, a check should be made of the protection characteristic.
Others
Check for abnormal indication, damages or other abnormalities.
6.1.3 Replacing Parts
The parts should be replaced periodically.
LCD Indicator
Replacement interval: about 5000 hours of lighting
Parts to be replaced:
- -
Part code Part name Remark
Liquid crystal TOSHIBA
display TLX-341AX
with special connector