Dell U2723QE Monitor Simplified Service Manual - Page 8

5. Disassembly and Assembly Procedures NOTE: This "Disassembly and Assembly Procedures" is for EMEA only, not for other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors. Tool Required: List the type and size of the tools that would typically can be used to disassemble the product to a point where components and materials requiring selective treatment can be removed. Tool Description: - Screwdriver(Phillip head) #1 - Screwdriver(Phillip head) #2 - Penknife - Soldering iron and absorber 4.1 Disassembly Procedures(U3223QE for example): Remove the monitor stand base: 1. Place the monitor on a soft cloth or cushion. S1 2. Press and hold the stand-release button. 3. Lift the stand up and away from the monitor. Lift the rear cover up carefully. Disconnect the joystick key cable from the connector of the interface S4 board, and then remove the rear cover and put it aside for later disassembling. Use a Philips-head screwdriver to remove 2pcs screw for unlocking the key board, then tear off the S5 tapes and release the key board. (No.1~2 screw size=M2x2.4, Torque=0.8~1kgfxcm) 2 1 Use a Philips-head screwdriver to remove 4pcs S2 screws for unlocking mechanisms. Remove DP caps. (No.1~4 screw size=M4x11; Torque=11±1kgfxcm) Tear off 1pcs aluminum foil for unfixing the bracket, S6 then tear off 1pcs acetate tape for uncovering the LVDS connector . 2 3 4 1 Wedge your fingers between rear cover and the middle bezel on the corners of the top side of the monitor to release the rear cover, then use one hand S3 to press the middle bezel, the other hand to pull up carefully the rear cover in order of arrow preference for unlocking mechanisms of rear cover. Use a Philips-head screwdriver to release one screw for unlocking the USB board, and disconnect the two S7 cables, then release the USB board from the hooks of the middle bezel. (No.1screw size=M3x6, Torque=4±0.5kgfxcm) 1 2 2 1 3