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Acer Extensa 4420 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 138

S-Video/TV-out port, D2D recovery - disassembly

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Page 138 highlights

D2D Recovery 17 DC-in jack 8 location 8 disassembly procedures external modules 29 guidelines 27 LCD module 57 main unit 41 preparatory steps 28 screw 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 89, 98 Ethernet port controller specifications 120 location 8 exploded diagram 88 External CD-ROM Drive Check 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 component part numbers 89 exploded diagram 88 overview 87 H hard disk drive activity indicator 10 compartment 9 D2D recovery 17 password 18 hardware configuration utility 13 default configuration settings 23 disassembly procedures 27 information display 16 technical specifications 117 HDD assembly module connector 85 module part number 91, 100 removing 34 shielding part number 94, 103 HDD module shielding removing 36 HDD password clear 21 HDD, see hard disk drive 9 headphone jack 6 heat sink part number 94, 103 removing 39 hibernation mode 125 I IEEE 1394 port compatibility test 114 Index

Section	Page
Features	11
TravelMate Tour	15
Open Front View	15
Close Front View	16
Left View	17
Right View	18
Rear View	18
Base View	19
Status Indicators	20
Easy-launch Keys	21
Productivity Keys	22
Phoenix TrustedCore Setup Utility	23
Accessing the Setup Utility	24
Navigating Through the Setup Utility	25
Setup Utility Menus	26
BIOS Flash Utility	34
Launch Manager	35
Disassembly Tools	37
Stages of the Disassembly Process	37
Equivalent Torque Values	37
System Screw List	38
Pre-disassembly Procedure	38
External Modules Disassembly	39
External Modules Disassembly Flowchart	39
Removing the SD Dummy Card	40
Removing the PC Card Dummy Card	40
Removing the Battery Pack	41
Removing the Lower Case Cover	42
Removing the Memory Modules	42
Removing the WLAN Board	43
Removing and Dismantling the HDD Assembly	44
Removing and Dismantling the ODD Assembly	46
Removing the Processor Cooling Fan	48
Removing the Heat Sink	49
Removing the Processor	50
Main Unit Disassembly	51
Main Unit Disassembly Flowchart	51
Removing the Middle Cover	52
Removing the Keyboard	52
Removing the LCD Module	53
Removing the Upper Case	57
Removing the LED Board	59
Removing the Fingerprint and Touchpad Boards	60
Removing the Card Reader Board	62
Removing the Bluetooth Board	63
Removing the System Board	64
Removing the Modem Board	65
Removing the Speakers	65
LCD Module Disassembly	67
LCD Module Disassembly Flowchart	67
Removing the LCD Bezel	68
Removing the Inverter Board	69
Removing the LCD Module Hinges	70
Removing the LCD Panel	70
Removing the LCD-CCD Cable	71
Removing the LCD Panel Brackets	72
Removing the Internal Microphone and the CCD Board	73
Removing the WLAN Antennas	74
Hardware Diagnostic Procedure	75
System Check Procedures	76
External Diskette Drive Check	76
External CD-ROM Drive Check	76
Keyboard or Auxiliary Input Device Check	76
Memory Check	77
Power System Check	77
Touchpad Check	78
POST Error Indicators	79
POST Error Message	79
POST Beep Codes	82
Index of Symptom-to-FRU Error Message	87
Intermittent Problems	90
Undetermined Problems	91
Online Support Information	92
System Block Diagram	93
System Board Layout	94
Top View	94
Bottom View	95
System Switch	96
Aspire 5910 Exploded Diagram	98
TravelMate 4520 FRU List	99
TravelMate 4520 Series Model Configurations	117
Test Compatible Components	123

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