3410 Units - Xycom 3400 Series Hardware Reference Manual

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.
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