Toshiba A20-S259 Maintenance Manual - Page 431
Removing the board assembly, tape pad sheet, light guide, cover bottom and lamp, assembly
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4 Replacement Procedures 4.30 Fluorescent Lamp Removing the board assembly, tape pad sheet, light guide, cover bottom and lamp assembly 12. Remove the board assembly (1). CAUTION: This process should be made in the clean room with no scratch nor particle on the Polarize and B/L assembly . 13. Remove the tape pad (2) used for sheets fixing. 14. Remove the sheets and light guide (3). CAUTION: No penetration of foreign body is indispensable with no scratch on the surface of each sheet. 15. Remove the screw and cover bottom (4). CAUTION: Maximum value of torque with screw should be below 2.0kgf.cm 16. Disconnect the low voltage wire from mold frame and disassembly of the lamp assembly from mold frame (5). CAUTION: Pressure or stress should not be given on this wire. Glue or foreign body of the double tape should not be attached in the mold frame. 4-212 Satellite A20 Maintenance Manual (960-444)