4 Replacement Procedures 4.26 Fluorescent lamp
5. Place the lens sheet (L) and upper diffusion sheet (K) on the backlight unit with light
guide(M).
(K) Upper diffusion sheet
(L) Lens sheet
(M) Light guide
Make sure there is no
dust or scratch.
Do not make any sheet over
the edge of P-chassis.
Figure 4-113 Replacing 15.0 Inch Sharp fluorescent lamp (XGA) (16)
6. Place the LCD panel (I) on the backlight unit (H).
NOTE: Make sure there is no dust between the LCD panel and backlight unit. If any dust
is found, remove it with crepe tape or others which has no remaining of paste.
(H) Backlight unit
(I) LCD panel
Guide rib
Guide rib
Guide rib
Guide rib
Make sure the LCD panel is
installed in the guide rib surely.
Figure 4-114 Replacing 15.0 Inch Sharp fluorescent lamp (XGA) (17)
4-122 Satellite A40 Maintenance Manual (960-458)