TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... 54 Removing the Modem Board 55 Removing the Speakers 55 LCD Module Disassembly 57 LCD Module Disassembly Flowchart 57 Removing the LCD Bezel 58 Removing the Inverter Board 59 Removing the LCD Module Hinges 60 Removing the LCD Panel 60 Removing the LCD-CCD Cable 61 Removing the LCD Panel Brackets 62 Removing the Internal Microphone and the...
... 54 Removing the Modem Board 55 Removing the Speakers 55 LCD Module Disassembly 57 LCD Module Disassembly Flowchart 57 Removing the LCD Bezel 58 Removing the Inverter Board 59 Removing the LCD Module Hinges 60 Removing the LCD Panel 60 Removing the LCD-CCD Cable 61 Removing the LCD Panel Brackets 62 Removing the Internal Microphone and the...
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 board E-key board (Fx3) Subwoofer Launch board (Dx2) USB board (Dx1)... Touchpad board bracket (Dx3) System board (Dx2) Touchpad cable Card reader board (Fx1) Touchpad board DC-in port Screw C D F H I J K Type M2.5 x L8 BZN+NYLOK M2 x L4 BZN+NYLOK M2 x...
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 board E-key board (Fx3) Subwoofer Launch board (Dx2) USB board (Dx1)... Touchpad board bracket (Dx3) System board (Dx2) Touchpad cable Card reader board (Fx1) Touchpad board DC-in port Screw C D F H I J K Type M2.5 x L8 BZN+NYLOK M2 x L4 BZN+NYLOK M2 x...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Removing the LCD Module 1. Chapter 3 43 Disconnect the keyboard cable from the main unit. Peel off the silver acetic tape protecting the LCD cable. Detach the top edge keyboard from the upper case, then turn it over the palmrest to gain access to completely detach the keyboard from its system board connector (KB1) to the keyboard cable. 3. 2.
Removing the LCD Module 1. Chapter 3 43 Disconnect the keyboard cable from the main unit. Peel off the silver acetic tape protecting the LCD cable. Detach the top edge keyboard from the upper case, then turn it over the palmrest to gain access to completely detach the keyboard from its system board connector (KB1) to the keyboard cable. 3. 2.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Peel off the masking tape securing the WLAN and internal microphone cables to the U-case. 4. Disconnect the LCD cable from their U-case latches. 44 Chapter 3 Pull out the WLAN antennas from underneath the computer base, and then release them from its system board connector (LCD1). 3. Disconnect the LCD cable from its system board connector (LCD1). 5. 2.
Peel off the masking tape securing the WLAN and internal microphone cables to the U-case. 4. Disconnect the LCD cable from their U-case latches. 44 Chapter 3 Pull out the WLAN antennas from underneath the computer base, and then release them from its system board connector (LCD1). 3. Disconnect the LCD cable from its system board connector (LCD1). 5. 2.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Chapter 3 59 Removing the Inverter Board 1. Step 1 Type M2 x L3 BZN+NYLOK Quantity 3 Color Black Torque 1.6 kgf-cm +/-15% 2. Turn the board over and disconnect the 2P cable. 3. Disconnect the inverter cable from the board. Remove the screws on the lower edge of the LCD panel.
Chapter 3 59 Removing the Inverter Board 1. Step 1 Type M2 x L3 BZN+NYLOK Quantity 3 Color Black Torque 1.6 kgf-cm +/-15% 2. Turn the board over and disconnect the 2P cable. 3. Disconnect the inverter cable from the board. Remove the screws on the lower edge of the LCD panel.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Step 1 Type M2.5 x L5 BZN+NYLOK Quantity 2 Color Black Torque 3 kgf-cm +/-15% 2. Remove the LCD module hinges from the LCD chassis. Remove the screws securing the LCD module hinges. Removing the LCD Module Hinges 1. Disconnect the CCD board cable. 60 Chapter 3 Removing the LCD Panel 1.
Step 1 Type M2.5 x L5 BZN+NYLOK Quantity 2 Color Black Torque 3 kgf-cm +/-15% 2. Remove the LCD module hinges from the LCD chassis. Remove the screws securing the LCD module hinges. Removing the LCD Module Hinges 1. Disconnect the CCD board cable. 60 Chapter 3 Removing the LCD Panel 1.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Peel off the LCD-CCD cable from the left and right LCD brackets. 3. 2. Release the WLAN antennas from the bottom edge of the LCD panel. Remove the LCD panel from its chassis. Removing the LCD-CCD Cable 1. Chapter 3 61
Peel off the LCD-CCD cable from the left and right LCD brackets. 3. 2. Release the WLAN antennas from the bottom edge of the LCD panel. Remove the LCD panel from its chassis. Removing the LCD-CCD Cable 1. Chapter 3 61
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Removing the LCD Panel Brackets T Remove the screws securing the LCD panel brackets. Step * Part Number and Type M2 x L3 BZN+NYLOK Quantity 8 Color Silver Torque 1.6 kgf-cm +/-15% 62 Chapter 3 2. Detach the adhesive tab on the cables's LCD connector, then disconnect the cable from the LCD panel PCB.
Removing the LCD Panel Brackets T Remove the screws securing the LCD panel brackets. Step * Part Number and Type M2 x L3 BZN+NYLOK Quantity 8 Color Silver Torque 1.6 kgf-cm +/-15% 62 Chapter 3 2. Detach the adhesive tab on the cables's LCD connector, then disconnect the cable from the LCD panel PCB.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Remove the CCD board from the LCD chassis. 3. Carefully remove the internal microphone from the LCD chassis. Chapter 3 63 Peel off the aluminum foil tabs and acetic tape securing the microphone cable. 2. Removing the Internal Microphone and the CCD Board 1.
Remove the CCD board from the LCD chassis. 3. Carefully remove the internal microphone from the LCD chassis. Chapter 3 63 Peel off the aluminum foil tabs and acetic tape securing the microphone cable. 2. Removing the Internal Microphone and the CCD Board 1.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... press F9 to load the system defaults. No Beep Error Message No beep, power indicator turns off and the LCD screen is blank. Hard disk drive LCD-CCD cable Inverter board LCD panel System board Chapter 4 71 Diskette drive Hard disk drive System board System Error - Refer to load the ...system defaults. Power source (battery pack and power adapter). Ensure every internal cables are properly identified. No beep, power indicator turns on but the LCD screen is blank. System board. Error Message DMA Test Failed Software NMI Failed Fail-Safe Timer NMI Failed...
... press F9 to load the system defaults. No Beep Error Message No beep, power indicator turns off and the LCD screen is blank. Hard disk drive LCD-CCD cable Inverter board LCD panel System board Chapter 4 71 Diskette drive Hard disk drive System board System Error - Refer to load the ...system defaults. Power source (battery pack and power adapter). Ensure every internal cables are properly identified. No beep, power indicator turns on but the LCD screen is blank. System board. Error Message DMA Test Failed Software NMI Failed Fail-Safe Timer NMI Failed...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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...Manager Clear 215 KB base RAM RAM failure on address line xxxx 72 Chapter 4 LCD-CCD cable Inverter board LCD panel System board No beep, power indicator turns on and a blinking cursor appears on , the LCD screen is blank, but system runs correctly. Error Message FRU/Action in Sequence No... beep, power indicator turns on screen during POST. Reconnect the LCD-CCD cable. Ensure every internal cables are properly and securely connected. Speaker System board POST Beep Codes Code 02h 03h 04h 06h 08h 09h 0Ah 0Bh 0Ch ...
...Manager Clear 215 KB base RAM RAM failure on address line xxxx 72 Chapter 4 LCD-CCD cable Inverter board LCD panel System board No beep, power indicator turns on and a blinking cursor appears on , the LCD screen is blank, but system runs correctly. Error Message FRU/Action in Sequence No... beep, power indicator turns on screen during POST. Reconnect the LCD-CCD cable. Ensure every internal cables are properly and securely connected. Speaker System board POST Beep Codes Code 02h 03h 04h 06h 08h 09h 0Ah 0Bh 0Ch ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... not listed in this section, refer to the "Power System Check" section on page 67. LCD cable Inverter board LCD panel System board Inverter board LCD-CCD cable LCD panel System board Power-related Symptoms Symptom/Error Power shuts down during operation The system won 't power off. Battery pack Power... and power adapter). Index of Symptom-to-FRU Error Message NOTE: If the symptom or error for more than four seconds. LCD-CCD cable Inverter board LCD panel System board Reconnect the LCD-CCD cable. Battery won't charged Action in characters Abnormal screen Wrong color displayed...
... not listed in this section, refer to the "Power System Check" section on page 67. LCD cable Inverter board LCD panel System board Inverter board LCD-CCD cable LCD panel System board Power-related Symptoms Symptom/Error Power shuts down during operation The system won 't power off. Battery pack Power... and power adapter). Index of Symptom-to-FRU Error Message NOTE: If the symptom or error for more than four seconds. LCD-CCD cable Inverter board LCD panel System board Reconnect the LCD-CCD cable. Battery won't charged Action in characters Abnormal screen Wrong color displayed...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... board System board Chapter 4 79 Keyboard System board Reconnect the touchpad cable. Touchpad does not work . Reconnect hard disk/CD-ROM/diskette drives. Printer driver Printer cable Printer System board Reconnect the keyboard cable. USB does not work correctly Print problems Keyboard (one or more ...keys) does not work . Action in Sequence Run the Setup Utility, then press F9 to load the system defaults. External display does not work correctly. Internal modem does not work correctly. Press Fn+F5, LCD...
... board System board Chapter 4 79 Keyboard System board Reconnect the touchpad cable. Touchpad does not work . Reconnect hard disk/CD-ROM/diskette drives. Printer driver Printer cable Printer System board Reconnect the keyboard cable. USB does not work correctly Print problems Keyboard (one or more ...keys) does not work . Action in Sequence Run the Setup Utility, then press F9 to load the system defaults. External display does not work correctly. Internal modem does not work correctly. Press Fn+F5, LCD...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Top View Item 1 2 3 4 5 6 7 8 9 10 11 12 13 Code LCD1 LID1 CN1 U40 RTC1 CRB1 SPKR1 BLUE1 FP1 TPAD1 INTMIC1 LEDB1 KB1 Description LCD-CCD cable connector Notebook lid connector PC card slot ??? System Board Layout This section shows the top and bottom layout of the TravelMate 4520 system board. CMOS battery (RTC battery) Card reader board connector Speaker cable connector Bluetooth board cable connector Fingerprint board cable connector Touchpad board cable connector Internal microphone cable connector LED board cable connector Keyboard cable connector 84 Chapter 5
Top View Item 1 2 3 4 5 6 7 8 9 10 11 12 13 Code LCD1 LID1 CN1 U40 RTC1 CRB1 SPKR1 BLUE1 FP1 TPAD1 INTMIC1 LEDB1 KB1 Description LCD-CCD cable connector Notebook lid connector PC card slot ??? System Board Layout This section shows the top and bottom layout of the TravelMate 4520 system board. CMOS battery (RTC battery) Card reader board connector Speaker cable connector Bluetooth board cable connector Fingerprint board cable connector Touchpad board cable connector Internal microphone cable connector LED board cable connector Keyboard cable connector 84 Chapter 5
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 ...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 component part numbers 89 exploded diagram 88 overview 87 H hard disk drive activity indicator 10 compartment 9 D2D ...
...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 ...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 component part numbers 89 exploded diagram 88 overview 87 H hard disk drive activity indicator 10 compartment 9 D2D ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... part number 94, 103 removing 60 LCD module disassembling 57 removing 43 LCD module disassembly CCD board 63 flowchart 57 inverter board 59 LCD bezel 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...
... part number 94, 103 removing 60 LCD module disassembling 57 removing 43 LCD module disassembly CCD board 63 flowchart 57 inverter board 59 LCD bezel 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...