Acer Aspire 1680 Service Guide
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51Chapter 3 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. 3.Remove the battery pack. NOTE: The screws used to secure bottom case and upper case are more than one type. Please group same type of screw together as you disassemble the system for service purpose. The image below is for your reference. Please pay attention to the explanation below. The screws that secure heatsink cover, MIni PCI cover and HDD cover are with the covers. There is no need to worry about mix them up. However, please notice that you have to group the screws on the following locations together. There are twenty screws holding the bottom case to upper case but some screws are inside the system. You may have to remove the HDD, the heatsink cover to see these screws. Mini PCI cover here also called RAM/Wireless cover. IO BezelBattery
Chapter 352 Screw TypeLocationQuantity M2.5*6 Bottom case and IO bezel (hightlight with yellow circle)14 M2.5*6 Remove the IO bezel then you will see.2 M2.5*6 Remove the heatsink cover then you will see.1 M2.5*6 Remove the HDD cover then you will see.1 M2.5*3 Detach the HDD module then you will see.1 M2.5*3 Remove the battery then you will see.1
53Chapter 3 Disassembly Procedure Flowchart The flowchart on the succeeding page 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 system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Start Battery HDD CoverODD ModuleRAM/Wireless CoverE*2 K*2 HDD ModuleWireless LAN CardMemory IO Bezel*2 *2 Heatsink Cover *2 Thermal ModuleCPU ODD Connector BoardODD Holder ODD Drive*6 *3 Middle Cover *2 Keyboard *4 (right and left hinges) LCD Module *2 Switch Board *5 *18 Lower and Upper Case Assembly Upper Case AssemblyLower Case Assembly 3-in-1 CoverSpeaker SetModem Board Touchpad Bluetooth ModuleTouchpad BoardTouchpad Bracket *2 Main Board*4 *2 *2 screw nutsVGA Heatsink*3
Chapter 354 Screw List ItemDescription SCREW M2.0X3.0-I-NI- NYLOK 86.A03V7.012 SCREW I2.5*3M- BNIH(M2.5L3)86.T25V7.012 SCREW M2.5*4L-BZN- NYLOK 86.A03V7.006 SCREW M2.0X5-I-NI- NYLOK 86.T23V7.006 SCREW MM25060IL69 86.A08V7.004 SCREW M2.0*5- I(NI)(NYLOK) 86.T23V7.010 SCREW M2.0X2.5-I-NI- NYLOK 86.A03V7.007 SCREW I2*3M-NIHY (M2L3) 86.T25V7.008 SCREW M1.7*3.0-I (BK) 86.T50V7.001 SCREW I3*3.5M- NIH(M3L3.5)86.A03V7.011 4 screw pads M*4 LCD Bezel *6 hinges *2 brackets LCD Inverter LCD AssemblyLCD Cover *4 LCD Module LCDLCD CableLCD Brackets Antenna set
55Chapter 3 Removing the Battery Pack 1.Unlock the battery lock. 2.Slide the battery latch as shown then remove the battery pack.
Chapter 356 Removing the HDD Module/the Memory and the Wireless LAN Card/ the Thermal Module and the CPU/ODD Module and LCD Module Removing the HDD Module 1.Remove the two screws holding the HDD cover. 2.Remove the HDD cover. 3.Detach the HDD module then remove it. Removing the Memory and the Wireless LAN Card 1.Remove the two screws that secure the RAM/Wireless cover. 2.Remove the RAM/Wireless cover. 3.Pop up the memory then remove it. 4.Disconnect the auxiliary and the main wireless antennae. 5.Pop the wireless LAN card then remove it. . Removing the Thermal Module and CPU 1.Remove the two screws holding the IO bezel.
57Chapter 3 2.Then remove the IO bezel. 3.Remove the two screws that secure the heatsink cover. 4.Remove the heatsink cover from the main unit. 5.Disconnect the fan cable. 6.Remove the four screws that secure the thermal module. 7.Pull the thermal module outwards then remove it. NOTE: The edge of the thermal module as shown is very sharp. Be very careful as you remove the thermal module. 8.Use a flat-bladed screwdriver to release the CPU lock. 9.Remove the CPU from the socket carefully.
Chapter 358 Removing the ODD Module 1.Release the ODD latch. 2.Remove the ODD module from the main unit. . Removing the LCD Module 1.Remove the three screws holding the keyboard cover. 2.Open the LCD module as the picture shown then detach the keyboard cover from the main unit. . 3.Remove the two screws that secure the keyboard as shown. 4.Turn over the keyboard as shown and disconnect the keyboard cable then remove the keyboard. 5.Pull out the antenna set with a tweezers then take out the antenna set from the main unit. . 6.Disconnect the LCD coaxial cable. 7.Remove the four screws holding the right and the left hinge. Two on each side.
59Chapter 3 8.Then detach the LCD module from the main unit. .
Chapter 360 Disassembling the Main Unit Separate the Main Unit Into the Upper and the Lower Case Assembly 1.Remove the two screws holding the switch board. 2.Remove the switch board. 3.Disconnect the touchpad FFC from the main board. 4.Disconnect the bluetooth cable. 5.Remove the five screws that secure the upper case. 6.Remove the eighteen screws on the bottom as shown. 7.Detach the upper case assembly and place it next to the lower case assembly. 8.Disconnect the microphone cable then remove the upper case assembly. Disassembling the Upper Case Assembly 1.Disconnect the touchpad board to touchpad FFC. 2.Disconnect the touchpad board to main board FFC. 3.Then detach the touchpad board to main board FFC from the touchpad board.