Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual page 301

4.30 Fluorescent Lamp
NOTE: - When working with an LCD module, always use a flat, grounded table.
- Handle the backlight unit in the environment without dust, such as on the clean
bench. Keep the worktable free from any screws or other material that may
scratch the LCD surface.
- Use an anti-static or protective sheet.
- When replacing the FL unit, cover with a finger protector or similar to prevent
soiling or scratching the LCD panel.
- Be careful when handling the lamp. Excessive force may break the lamp.
- Be careful not to soil or deform the lamp reflector.
- Make sure that the power of the LCD module is turned off before connecting
or disconnecting cables and connectors.
4.30.1 Replacing the 15.0-inch XGA LG.Philips Fluorescent Lamp
CAUTION: When replacing the fluorescent lamp, wear finger covers or gloves to avoid
contaminating or damaging the LCD panel. Be careful not to let dust or other foreign
substance into the module.
Disassembling the 15.0-inch XGA LG.Philips Fluorescent Lamp
To disassemble the 15.0-inch XGA LG.Philips fluorescent lamp, follow the steps below and refer to
figures 4-50 to 4-53.
1. Remove the outside tape and cover shield.
1) Remove the adhesive tape fixing the B/L wire. Be careful not to apply to the B/L
wire.
2) Remove the cover shield (G). Be careful not to apply excessive force to the gate
TCP.
3) Remove the cover shield (C). Be careful not to apply excessive force to the source
PCB.
CUATION: Wear anti-static gloves to prevent circuit damage caused by ESC.
4) Remove the tape shield and adhesive tape fixing the top tape. Be careful not to apply
excessive force to the top case.
Satellite A20 Maintenance Manual (960-444)
4 Replacement Procedure
4-83