Floppy Disk Drive; Before You Begin - Toshiba T1950 User Manual

4.1 General
This section explains how to disassemble the T1900/T1900C and replace Field Replaceable
Units (FRUs). It may not be necessary to remove all the FRUs in order to replace one. The
chart below is a guide to which FRUs must be removed in order to remove others. Always
start by removing the battery pack, then follow the order on the chart to determine which FRU
must be removed in order to repair the one you think is causing the T1900/T1900C to operate
improperly.
Battery Pack
Optional Memory Card
Optional PCMCIA Card
Keyboard
Hard Disk Drive • Backup Battery

Floppy Disk Drive

RTC Battery
Monochrome LCD Display (T1900)
Color LCD Display (T1900C)
Upper System Board
Lower System Board

Before You Begin

Look over the procedures in this section before you begin disassembling the T1900/T1900C.
Familiarize yourself with the disassembly and reassembly steps, then begin each procedure by
removing the AC adapter and the battery pack as instructed in Section 4.2, The Battery Pack.
1. Do not disassemble the T1900/T1900C unless it is operating abnormally.
2. Use only the correct and approved tools.
3. Make sure the working environment is free from the following elements whether
you are using or storing the T1900/T1900C:
Dust and contaminates
Static electricity
Extreme heat, cold and humidity
4. Make sure the FRU you are replacing is causing the abnormal operation by per-
forming the necessary diagnostics tests described in this manual.
4-1