4-25
4.11 Lower System Board · RTC Battery
Removing the Lower System Board · RTC Battery
To remove the T1900/T1900C’s lower system board and RTC battery, follow the steps below
and refer to Figures 4-19 through 4-22.
1.
Turn off the power to the T1900/T1900C, and, if attached, disconnect the AC
adapter, power cord and all external cables connected to the computer.
2.
Remove the battery pack, optional memory card, optional PCMCIA card, top
cover, keyboard, HDD, display mask, display assembly, and upper system board as
described in Sections 4.2 through 4.10.
3.
Remove the tape and
RTC battery
from the middle frame assembly (Figure 4-19).
4.
Disconnect the
FDD cable
from
PJ202
on the lower system board (Figure 4-19).
Figure 4-19 Removing the RTC Battery and FDD Cable
5.
Remove the
M2.5x6 silver screw
from the bottom of the computer (Figure 4-20).
6.
Remove the
two M2.5x10 screws
located next to the power supply circuits of the
lower system board
(Figure 4-20).
7.
Open the PCMCIA expansion slot cover on the right side of the computer, remove
the two M2.5x6 screws
securing the cover, then remove the cover.
Summary of Contents for T1950
Page 21: ...2 3 Figure 2 1 Troubleshooting Flowchart 1 2 ...
Page 156: ...B 2 Figure B 2 FATSU Upper System Board back G ...
Page 158: ...B 4 B 2 FATSL Lower System Board Figure B 3 FATSL Lower System Board front ...
Page 159: ...B 5 Figure B 4 FATSL Lower System Board back ...
Page 171: ...D 1 Appendix D USA Display Codes Table D 1 USA Display Codes ...
