TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 8
... 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 CCD Board 63 Removing the WLAN Antennas 64 Hardware Diagnostic Procedure 65 System Troubleshooting 65 Chapter 4 65 System...
... 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 CCD Board 63 Removing the WLAN Antennas 64 Hardware Diagnostic Procedure 65 System Troubleshooting 65 Chapter 4 65 System...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 54
Peel off the masking tape securing the WLAN and internal microphone cables to the U-case. 4. 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 their U-case latches. 44 Chapter 3 2. Disconnect the LCD cable from its system board connector (LCD1). 5.
Peel off the masking tape securing the WLAN and internal microphone cables to the U-case. 4. 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 their U-case latches. 44 Chapter 3 2. Disconnect the LCD cable from its system board connector (LCD1). 5.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Close the computer lid and turn the unit over to the base side. Release the WLAN antenna (black) from its system board connector (INTMIC1). 7. Chapter 3 45 Disconnect the internal microphone cable from their U-case latches. 8. Release the internal microphone cable and the WLAN antenna (white) from their U-case latches. 9. 6.
Close the computer lid and turn the unit over to the base side. Release the WLAN antenna (black) from its system board connector (INTMIC1). 7. Chapter 3 45 Disconnect the internal microphone cable from their U-case latches. 8. Release the internal microphone cable and the WLAN antenna (white) from their U-case latches. 9. 6.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Carefully remove the internal microphone from the LCD chassis. Remove the CCD board from the LCD chassis. 3. Removing the Internal Microphone and the CCD Board 1. Peel off the aluminum foil tabs and acetic tape securing the microphone cable. 2. Chapter 3 63
Carefully remove the internal microphone from the LCD chassis. Remove the CCD board from the LCD chassis. 3. Removing the Internal Microphone and the CCD Board 1. Peel off the aluminum foil tabs and acetic tape securing the microphone cable. 2. Chapter 3 63
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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System Board Layout This section shows the top and bottom layout of the TravelMate 4520 system board. 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 ??? 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
System Board Layout This section shows the top and bottom layout of the TravelMate 4520 system board. 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 ??? 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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...Supports protocol 124 Bluetooth board, removing 53 compatibility test 114 function switch 6 interface 2 status indicator 10 Bluetooth board cable connector 84 cable, part number 90, 99 part number 89, 98 boot -up options drive sequence 22 boot-up options multi...fan cable connector 85 cable, disconnecting 38 part number 91, 100 removing 38 D Index Index 127 A AC adapter part number 89, 96, 98, 105 Acer Bio-Protection fingerprint reader location 5 Acer disc-to-disc recovery 17 Acer OrbiCam camera location 5 Acer QuicCharge 3 audio features 2 headphone jack 6 internal microphone 5 microphone-in...
...Supports protocol 124 Bluetooth board, removing 53 compatibility test 114 function switch 6 interface 2 status indicator 10 Bluetooth board cable connector 84 cable, part number 90, 99 part number 89, 98 boot -up options drive sequence 22 boot-up options multi...fan cable connector 85 cable, disconnecting 38 part number 91, 100 removing 38 D Index Index 127 A AC adapter part number 89, 96, 98, 105 Acer Bio-Protection fingerprint reader location 5 Acer disc-to-disc recovery 17 Acer OrbiCam camera location 5 Acer QuicCharge 3 audio features 2 headphone jack 6 internal microphone 5 microphone-in...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 139
...part number 89, 98 removing 59 IR port compatibility test 114 location 6 K Kensington lock hatch 7 Keyboard 119 keyboard cable connector 84 cable, disconnecting 43 features 2 location 5 part number 92, 101 removing 42 troubleshooting 66 L launch board part number 89, ...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 ... slots 85 part number 95, 104 removing DIMM 32 troubleshooting 67 microphone cable connector 84 line-in jack 6 location 5 129
...part number 89, 98 removing 59 IR port compatibility test 114 location 6 K Kensington lock hatch 7 Keyboard 119 keyboard cable connector 84 cable, disconnecting 43 features 2 location 5 part number 92, 101 removing 42 troubleshooting 66 L launch board part number 89, ...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 ... slots 85 part number 95, 104 removing DIMM 32 troubleshooting 67 microphone cable connector 84 line-in jack 6 location 5 129