Acer Aspire 4935 Service Guide
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Chapter 351 Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: •Wrist grounding strap and conductive mat for preventing electrostatic discharge •Flat screwdriver •Philips screwdriver •Plastic flat screwdriver •Plastic tweezers 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
52Chapter 3 General Information Pre-disassembly Instructions 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. 3.Place the system on a flat, stable surface. 4.Remove the battery pack. Disassembly Process The disassembly process is divided into the following stages: •External module disassembly •Main unit disassembly •LCD module disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. Observe the order of the sequence to avoid damage to any of the hardware components. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Main Screw List DescriptionQuantityAcer P/N M2.0D 3.0L K4.6D 0.8T ZK 17 86.AD302.001 M2.5D 3.0L K5.5D 0.8T ZK 15 86.AD302.002 M2.5D 5L K 5.5D ZK NL 21 86.AD302.003 M2.5D 10.0L K 5.5D 0.8T ZK 12 86.AD302.004 M3.0D 3.0L K 4.9D NI+ 4 86.AD302.005 M2.5D 3.2L K 6D NI+ 4 86.AD302.006
Chapter 353 External Module Disassembly Process External Modules Disassembly Flowchart The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Screw List StepScrewQuantityPart No. WLAN Module M2*3 2 86.AD302.001 HDD Carrier M3*3 4 86.AD302.005 ODD Module M2.5*5 1 86.AD302.003 ODD Bracket M2*3 2 86.AD302.001 Rem ove Lower Covers Rem ove NewCard Dummy Disconnect pow er and signal cables from system Rem ove Battery Turn off system and peripherals pow er Rem ove DIMMs Rem ove SD Dummy Rem ove HDDRem ove ODDRem ove WLAN
54Chapter 3 Removing the Battery Pack 1.Turn computer over. 2.Slide the battery lock/unlock latch to the unlock position. 3.Slide and hold the battery release latch to the release position (1), then lift out the battery pack from the main unit (2). 1 2
Chapter 355 Removing the SD dummy card 1.Push the SD dummy card all the way in to eject it. 2.Pull it out from the slot.
56Chapter 3 Removing the ExpressCard dummy card 1.Push the ExpressCard all the way in to eject the ExpressCard dummy. 2.Pull it out from the slot.
Chapter 357 Removing the Lower Covers 1.See “Removing the Battery Pack” on page 54. 2.See “Removing the SD dummy card” on page 55. 3.See “Removing the ExpressCard dummy card” on page 56. 4.Loosen the five captive screws in the covers as shown. 5.Carefully open the DIMM Cover. 6.Remove the WLAN Cover as shown. WLAN Cover HDD Cover DIMM Cover
Chapter 359 Removing the WLAN Module 1.See “Removing the Lower Covers” on page 57. 2.Disconnect the two antenna cables. 3.Remove the two securing screws. 4.Remove the WLAN module as shown. StepSizeQuantityScrew Type WLAN Module M2*3 2
60Chapter 3 Removing the DIMM Modules 1.See “Removing the Lower Covers” on page 57. 2.Push out the release latches on both sides of the DIMM socket to release the DIMM module. 3.Remove the DIMM module. 4.Repeat steps for the second DIMM module.