acer Ezdock ch3 free download

File name Ezdock_ch3.pdf

Chapter 3 Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge Flat-bladed screw driver Phillips screw driver Tweezers Plastic Flat-bladed screw driver Hexed Screw Driver NOTE: The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch when putting back the components. Chapter 3 42 General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system 43 Chapter 3 Removing the Lower Case 1. Remove the six screws fastening the lower case as shown. 2. Detach the lower case from the ezDock carefully. Removing the Harness Cable Set 1. Remove two hex screws on the I/O bracket as shown. 2. Disconnect the power cable, then remove six screws fastening the cables and boards as shown. 3. Remove the two screws fastening the hinge cover then remove the cover from the ezDock. See below images for more details about step 2. 4. Then remove the four screws fastening Ethernet board and PCI-E board. Then disconnect the Ethernet board, the cable and the PCI-E board. 5. Detach the Harness cable set from the ezDock. Chapter 3 44 Disassembling the Main Board Assembly 1. Disconnect the modem cable. Remove the two screws fastening the modem then detach the modem board from the main board. 2. Remove four screws fastening the middle frame and the main board assembly. 3. Detach the middle frame assembly from the main board assembly. 4. Turn over the main board assembly, then detach the upper case carefully. 5. Disconnect the power board cable as shown. 6. Remove the four screws fastening the power board then detach the power board from the main board. 7. Then remove the four screws fastening video board as shown. 8. Turn over the main board assembly then detach the video board and remove the power board cable carefully. NOTE: For a better disassembling and reassembling operation, you can remove the hex screws fastening the IO bracket and the main board. Besides, plea