Toshiba A20-S259 Maintenance Manual - Page 356
Fluorescent Lamp, surface of each sheet.
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4 Replacement Procedures 4.30 Fluorescent Lamp 4. 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. 4-138 Satellite A20 Maintenance Manual (960-444)
4
Replacement Procedures
4.30
Fluorescent Lamp
4-138
Satellite A20 Maintenance Manual (960-444)
4.
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.