Maintenance
6-6
TDS3000B Series Service Manual
Table 6--2 lists the removal and installation procedures in order of increasing
complexity. W ithin each procedure, only perform the steps that are required to
access the modules that need repair.
Table 6- 2: Removal and installation pr ocedures
Procedure Modules accessed Begins on page
Handle Handle
Hub cover
Hub assembly
6--8
Rear case Rear case
Communication module cover
Communication module guide
Feet
Disk drive
6--11
Rear chassis Rear chassis
Battery board
Power supply
Power supply bracket
Line filter
DC power cable
AC line power cable
Fan
Parallel printer port
External power jack
6--15
Main board Main board
Display cable
Disk drive cable
6--22
Front chassis and display
Module
Front chassis
Display module
Inverter cable
Inverter board
Display module
6--27
Display Inverter board
and backlights
Inverter board
Backlight tubes
6--30
Front panel Knobs
Front-panel board
Flex circuit keypad contacts
Keypads
6--35
Summary of Procedures