TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... Disassembly Flowchart 29 Removing the SD Dummy Card 30 Removing the PC Card Dummy Card 30 Removing the Battery Pack 31 Removing the Lower Case Cover 32 Removing the Memory Modules 32 Removing the WLAN Board 33 Removing and Dismantling the HDD Assembly 34 Removing and Dismantling the ODD Assembly 36... Processor Cooling Fan 38 Removing the Heat Sink 39 Removing the Processor 40 Main Unit Disassembly 41 Main Unit Disassembly Flowchart 41 Removing the Middle Cover 42 Removing the Keyboard 42 Removing the LCD Module 43 Removing the Upper Case 47 VII
... Disassembly Flowchart 29 Removing the SD Dummy Card 30 Removing the PC Card Dummy Card 30 Removing the Battery Pack 31 Removing the Lower Case Cover 32 Removing the Memory Modules 32 Removing the WLAN Board 33 Removing and Dismantling the HDD Assembly 34 Removing and Dismantling the ODD Assembly 36... Processor Cooling Fan 38 Removing the Heat Sink 39 Removing the Processor 40 Main Unit Disassembly 41 Main Unit Disassembly Flowchart 41 Removing the Middle Cover 42 Removing the Keyboard 42 Removing the LCD Module 43 Removing the Upper Case 47 VII
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Main Unit Disassembly Flowchart Main unit Keyboard Middle cover LCD module (Cx2, Hx2) Power board (Dx4) Upper case (Ix1, Cx10, Jx2, Dx3) ) Lower case Power FPC cable Modem board (Fx2) Speaker case (Dx3, Kx3) Bluetooth ... 86.00E67.63C 86.00D30.630 86.00E33.736 86.00D77.320 Chapter 3 41 Main Unit Disassembly IMPORTANT: To prevent from scratching or damaging the LCD panel, cover it with a protective film before disassembling the main unit.
Main Unit Disassembly Flowchart Main unit Keyboard Middle cover LCD module (Cx2, Hx2) Power board (Dx4) Upper case (Ix1, Cx10, Jx2, Dx3) ) Lower case Power FPC cable Modem board (Fx2) Speaker case (Dx3, Kx3) Bluetooth ... 86.00E67.63C 86.00D30.630 86.00E33.736 86.00D77.320 Chapter 3 41 Main Unit Disassembly IMPORTANT: To prevent from scratching or damaging the LCD panel, cover it with a protective film before disassembling the main unit.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Step 1 Type M2 x L2.5 BZN+NYLOK 42 Quantity 2 Color Silver Torque 1.6 kgf-cm +/-15% Chapter 3 Open the LCD panel completely to pry open the outer edge of the middle cover. 2. Use a plastic flat screwdriver to facilitate the easy removal of the cover, then continue prying on the hinge sides until the cover is released from the main unit. Remove the middle cover from the U-case. 3. Remove the screws securing the keyboard. Removing the Keyboard 1. Removing the Middle Cover 1.
Step 1 Type M2 x L2.5 BZN+NYLOK 42 Quantity 2 Color Silver Torque 1.6 kgf-cm +/-15% Chapter 3 Open the LCD panel completely to pry open the outer edge of the middle cover. 2. Use a plastic flat screwdriver to facilitate the easy removal of the cover, then continue prying on the hinge sides until the cover is released from the main unit. Remove the middle cover from the U-case. 3. Remove the screws securing the keyboard. Removing the Keyboard 1. Removing the Middle Cover 1.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... list 28 stages 27 tools 27 torque values 27 display compatibility test 113 controller specifications 119 features 2 LCD panel 5 S-Video/TV-out port 8 VGA port 8 video memory 17 E easy-launch keys 11, 12 Acer Empowering 11 Bluetooth 10 browser 11 configuring 11, 25 mail 11 programmable 11 E-key board, part number...66 external modules disassembly battery pack 31 cooling fan 38 ExpressCard/54 dummy card 30 flowchart 29 HDD assembly 34 heat sink 39 lower case cover 32 ODD assembly 36 128 processor 40 SD dummy card 30 WLAN board 33 F Features 117 fingerprint board cable connector 84 removing 50 FRU...
... list 28 stages 27 tools 27 torque values 27 display compatibility test 113 controller specifications 119 features 2 LCD panel 5 S-Video/TV-out port 8 VGA port 8 video memory 17 E easy-launch keys 11, 12 Acer Empowering 11 Bluetooth 10 browser 11 configuring 11, 25 mail 11 programmable 11 E-key board, part number...66 external modules disassembly battery pack 31 cooling fan 38 ExpressCard/54 dummy card 30 flowchart 29 HDD assembly 34 heat sink 39 lower case cover 32 ODD assembly 36 128 processor 40 SD dummy card 30 WLAN board 33 F Features 117 fingerprint board cable connector 84 removing 50 FRU...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... 58 LCD brackets 62 LCD hinges 60 Index LCD panel 60 LCD-CCD cable 61 microphone 63 WLAN antennas 64 LCD panel part number 93, 102 removing 60 LCD-CCD cable part number 90, 99 removing 61 system board connector 84 LED board removing 49 line-in jack 6 lower case part number 95, 104 lower case cover..., 104 removing 32 M main unit disassembly Bluetooth board 53 card reader board 52 DIMM 32 fingerprint board 50 flowchart 41 keyboard 42 LCD module 43 LED board 49 middle cover 42 modem board 55 speakers 55 system board 54 touchpad board 50 upper case 47 memory check size 17 DIMM slots 85...
... 58 LCD brackets 62 LCD hinges 60 Index LCD panel 60 LCD-CCD cable 61 microphone 63 WLAN antennas 64 LCD panel part number 93, 102 removing 60 LCD-CCD cable part number 90, 99 removing 61 system board connector 84 LED board removing 49 line-in jack 6 lower case part number 95, 104 lower case cover..., 104 removing 32 M main unit disassembly Bluetooth board 53 card reader board 52 DIMM 32 fingerprint board 50 flowchart 41 keyboard 42 LCD module 43 LED board 49 middle cover 42 modem board 55 speakers 55 system board 54 touchpad board 50 upper case 47 memory check size 17 DIMM slots 85...