Toshiba satellite A20 series Maintenance Manual page 375

4 Replacement Procedures
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 4-128 Replacing Sharp fluorescent lamp (SXGA+) (16)
4-170
4.30 Fluorescent Lamp
(K) Upper diffusion sheet
(L) Lens sheet
(M) Light guide
Do not make any sheet over
the edge of P-chassis
Satellite A20 Maintenance Manual (960-444)