89
3410 Units
Sharp TFT Flat-Panel Display (Model #LQ10D421)
1.
Disconnect the power cable, as well as any other external cables.
2.
If the unit does not incorporate a touchscreen, go to Step 5. If the unit incorporates a
touchscreen, unscrew the three back cover mounting screws (refer to the figures in
Chapter 3 if you need help locating these screws).
3.
Slide the back cover toward the I/O panel, and lift off.
4.
Disconnect the cable connected to the touchscreen connector (TCH1) at the top of
the unit and/or the keypad connector.
5.
Set the unit with the front panel down, and loosen the four captive screws holding
the flat-panel display carrier to the front panel. These screws remain attached to the
carrier.
6.
Carefully lift off the carrier.
7.
Flip the unit over to expose the flat-panel display.
8.
Disconnect the two bulb connectors attached to the inverter board.
9.
Remove the four screws attaching the flat-panel display to the front-panel standoffs.
10.
Locate the bulb assembly on the top edge of the flat-panel display.
11.
Insert a flat-bladed screwdriver in the opening at the end of the bulb assembly, as
shown in Figure C- 2, and push up until the bulb assembly releases.