Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 22

20 ACER A211H/A221HQ Go to contents page 4. Assembly and Disassembly Procedures (continued) S14 Use a Hex-head screwdriver to remove 4 screws for unlocking mechanisms of the DVI and D-SUB connectors. (No.1~4 screw size=M3x8, Torque=5±1kgfxcm) Use a Phillips-head screwdriver to remove one screw for unlocking the HDMI or DP connector. (No.5 screw size=M3x8, Torque=5±1kgfxcm) Use a Phillips-head screwdriver to remove two screws for unlocking the AC power outlet. (No.6~7 screw size=M3x10, Torque=5±1kgfxcm) 7 6 5 2 1 4 3 1 S18 Use a Phillips-head screwdriver to remove four screws for unlocking the power board. (No.1 screw size=M4x8, Torque=6~8kgfxcm; No.2~4 screw size=M3x6, Torque=6~8kgfxcm) 1 4 S15 Turn over the bracket chassis module, and then remove both of the speakers from the bracket chassis module by pulling out the caps of the speaker holder . 3 2 Remove the bracket chassis base and put the S19 circuit boards on a protect cushion, then disconnect all of the cables. Release the speakers' cable and the function S16 cable from the hooks of the bracket chassis base. function key cable audio cable S17 Use a Phillips-head screwdriver to remove one screw for unlocking the interface board with the bracket chassis base. (No.1 screw size=M3x6, Torque=6~8kgfxcm)