Appendix D – Replacing Flat-Panel Display Bulbs
D-3
Sharp TFT Flat-Panel Display (model #LQ10D421)
1.
Turn off the power source.
2.
Using a small Phillips-head screwdriver, loosen the two protruding captive screws at
the top back of the unit, and remove the lid.
3.
If a touch screen is installed, disconnect the touch screen cable (TCH1) at the top of
the system board.
4.
Set the unit with the front panel down and loosen the four captive screws holding the
front panel to the display adapter plate.
5.
While securely holding the front panel, flip the unit over.
6.
Lift off the front panel, and set it aside.
7.
Unscrew the four screws that attach the flat-panel display to the standoffs.
8.
Disconnect the bulb connectors from the inverter.
9.
Locate the bulb assembly on the left, outside edge of the flat-panel display.
10.
Referring to Figure Appendix D -2, insert a flat-bladed screwdriver in the opening at
the end of the bulb assembly, and push up until the bulb assembly releases.
Figure Appendix D -2. Model #LQ10D421 Bulb Assembly
