4.26 Fluorescent lamp 4 Replacement Procedures
7. Turn the backlight unit face up and remove the upper diffusion sheet (K), lens sheet
(L) and light guide (M).
NOTE: The light guide and sheets are reused. Be careful not to scratch or soil them.
Do not remove the reflection
sheet under the light guide.
(
) Upper diffusion sheet
(M) Light guide
(L) Lens sheet
Figure 4-136 Replacing 15.0 Inch Sharp fluorescent lamp (SXGA+) (8)
8. Remove the four double-sided tapes (N, O, P, Q).
NOTE: Discard the removed tapes. Do not reuse them.
(P) Double-sided tape 3
(Q) Double-sided tape 4
(N) Double-sided tape 1
(O) Double-sided tape 2
Figure 4-137 Replacing 15.0 Inch Sharp fluorescent lamp (SXGA+) (9)
Satellite A40 Maintenance Manual (960-458) 4-137
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