Compaq 420CX 486 DX4/75 MHZ 420 MB 8 MB 10.4 Personal Computer User Manual


 
The ZIF connector and its attached cable can be damaged easily. Handle
only the connector slide when disconnecting the ZIF connector. Never pull
or twist the cable itself while it is seated in the ZIF connector.
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8. Remove the display cable and backlight cable from the inverter board
(Section 3.25).
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When servicing the computer, ensure that cables are placed in their proper
location to avoid pinching during the reassembly process. Improper cable
placement can cause severe damage to the unit.
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9. Remove the CTFT (10.4 inch) display panel. Refer to "Removing the CTFT
(10.4 inch) Display Panel" in this section.
10. Disconnect the CTFT (10.4 inch) display cable. Refer to "Removing the
CTFT (10.4 inch) Panel" in this section.
Replacing the CTFT Display Cable
To replace the CTFT (10.4 inch) display cable, follow these steps:
1. Connect the CTFT (10.4 inch) display cable to the (10.4 inch) panel.
Refer to "Replacing the CTFT (10.4 inch) Display Panel" in this section.
2. Connect the display cable and the backlight cable to the inverter board
(Section 3.25).
3. Replace the inverter board (Section 3.25).
4. Replace the bezel (Section 3.25).
5. Carefully insert the end of the display cable into the ZIF connector
slide on the system board.
IMPORTANT: Ensure that the ZIF connector slide is in its fully upward
position and that it remains so while you are inserting the
cable into it. Before closing the slide, ensure that the
cable is fully seated (to the white insertion line) in the
ZIF connector.
6. While holding the end of the display cable inside the ZIF connector
slide, press down both ends of the slide simultaneously to secure the
cable in the ZIF connector (Figure 3-165).