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4 Replacement Procedures 4.26 Fluorescent lamp
4. Install the light guide (M) on the backlight unit.
Insert the light guide straight not to
deform the reflector.
(M) Light guide
Backlight unit
Figure 4-143 Replacing 15.0 Inch Sharp fluorescent lamp (SXGA+) (15)
5. Place the lens sheet (L) and upper diffusion sheet (K) on the backlight unit with light
guide (M).
Make sure there is no
dust or scratch.
Do not make any sheet over
the edge of P-chassis
(
K
) Upper diffusion sheet
(M) Light guide
(L) Lens sheet
Figure 4-144 Replacing 15.0 Inch Sharp fluorescent lamp (SXGA+) (16)
4-142 Satellite A40 Maintenance Manual (960-458)