Toshiba A100 VA3 - Satellite - Pentium Dual Core 1.6 GHz Maintenance Manual page 244

4.25 Fluorescent lamp 4 Replacement Procedures
3) Peel off one X-PCB insulating sheet and spread it without it out of the side of bezel.
Caution: 1. Keep the X-PCB insulating sheet being on the bezel.
2. Be careful not to damage the TAB.
X-PCB insulating sheet
Figure 4-45 Replacing TDM fluorescent lamp (2)
PORTEGE A100 Maintenance Manual (960-460) 4-57