HP Pavilion Dv9300 Entertainment Notebook Pc Series Service Guide
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Maintenance and Service Guide C–1 C Display Component Recycling Å WAR N I N G : The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. Ä CAUTION: The procedures in this appendix can result in damage to display components. The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight. Careful handling should be exercised when removing these components. ✎Materials Disposal This HP product contains mercury in the display assembly backlight and may require special handling at end-of-life. Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or visit the Electronic Industries Alliance (EIA) at http://www.eiae.org.
C–2 Maintenance and Service Guide Display Component Recycling This appendix provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight 1 and the LCD panel2. ✎Disassembly procedures differ from one display assembly to another. The procedures provided in this appendix are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another. Refer to Section 5.14, “Display Assembly,” for display assembly disassembly steps.
Display Component Recycling Maintenance and Service Guide C–3 Perform the following steps to disassemble the display assembly: 1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly. Removing the Display Bezel Screw Covers and Screws
C–4 Maintenance and Service Guide Display Component Recycling 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. Removing the Display Bezel
Display Component Recycling Maintenance and Service Guide C–5 4. Disconnect all LCD panel cables 1 from the display inverter board and remove the inverter board 2. Removing the Display Inverter Board
C–6 Maintenance and Service Guide Display Component Recycling 5. Remove all screws 1 that secure the LCD panel to the display enclosure. 6. Remove the LCD panel 2 from the display enclosure. Removing the LCD Panel
Display Component Recycling Maintenance and Service Guide C–7 7. Turn the LCD panel upside down. 8. Remove all screws that secure the LCD panel frame to the LCD panel. Removing the LCD Panel Frame Screws
C–8 Maintenance and Service Guide Display Component Recycling 9. Use a sharp-edged tool to cut the tape 1 that secures the side of the LCD panel to the LCD panel frame. 10. Remove the LCD panel frame 2 from the display panel. Removing the LCD Panel Frame
Display Component Recycling Maintenance and Service Guide C–9 11. Remove the screws 1 that secure the backlight cover to the LCD panel. 12. Lift the top edge of the backlight cover 2 and swing it forward. 13. Remove the backlight cover. Removing the Backlight Cover
C–10 Maintenance and Service Guide Display Component Recycling 14. Turn the LCD panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the LCD panel. Releasing the Backlight Cables