Maintenance
4-6
TDS3000C Series S ervice Manual
Table 4--2 lists the removal and installation procedures in order of increasing
complexity. Within each procedure, only perform the steps that are required to
access the modules that need repair.
Table 4- 2: Removal and installation procedures
Procedure Modules accessed Begins on page
Handle Handle
Hub cover
Hub assembly
4--8
Rear case Rear case
Communication module cover
Communication module guide
Feet
4--12
Rear chassis Rear chassis
Battery board
Power supply
Power supply bracket
Line filter
DC power cable
AC line power cable
Fan
4--14
Main board Main board
Display cable
USB cable
4--21
Front chassis and display
Module
Front chassis
Display module
Front-panel USB port
Inverter cable
Inverter board
Display module
4--26
Display Inverter board
and backlights
Inverter board
Backlight tubes
NO TAG
Front panel Knobs
Front-panel board
Flex circuit keypad contacts
Keypads
4--30
Summary of Procedures