Replacement Procedures 4.23 Fluorescent Lamp
8. Remove the board assembly, adhesive tape, light guide and cover assembly bottom
(L).
1) Remove the board assembly.
NOTE: This process should be made in a clean room to prevent scratch or particle on
polarizer or B/L assembly.
2) Remove the adhesive tape fixing the sheets (four points).
3) Remove the sheets and light guide.
NOTE: No penetration of foreign object is indispensable not to scratch on the surface of
each sheet.
4) Remove the two screws fixing the cover assembly bottom (L).
NOTE: Maximum value of torque is 1.5kg
•
cm.
Board assembly
Adhesive tape
Double-sided tape
A
dhesive ta
p
e
Double-sided tape
Adhesive tape
Sheets and light guide
Screw
Adhesive tape
Screw
Cover assembly bottom (L)
Figure 4-96 Replacing 15.0 Inch LG.Philips fluorescent lamp (SXGA+) (4)
4-108 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)