Toshiba satellite A20 series Maintenance Manual page 324

4.30 Fluorescent Lamp
5. Place the lens sheet (L) and upper diffusion sheet (K) on the backlight unit with light
guide.
Make sure there is no
dust or scratch.
Figure 4-82 Replacing Sharp fluorescent lamp (XGA) (16)
Satellite A20 Maintenance Manual (960-444)
4 Replacement Procedures
(K) Upper diffusion sheet
(L) Lens sheet
(M) Light guide
Do not make any sheet over
the edge of P-chassis.
4-119