Aspire 2420, 2920, 2920Z Service Guide
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... LCD Module Disassembly Process 86 LCD Module Disassembly Flowchart 86 Removing the LCD Bezel 87 Removing the LCD module with the Brackets 88 Removing the Inverter Board and FPC Cable 90 Removing the LCD Brackets 92 Removing the Antennas 93 Removing the Internal Microphone and Web Camera 94 Troubleshooting 97 System... View 118 Clearing Password Check and BIOS Recovery 119 Clearing Password Check 119 BIOS Recovery by Crisis Disk 120 FRU (Field Replaceable Unit) List 121 Aspire 2920/2920Z/2420 Exploded Diagram 122 Aspire 2920/2920Z/2420 Series 130 VIII
... LCD Module Disassembly Process 86 LCD Module Disassembly Flowchart 86 Removing the LCD Bezel 87 Removing the LCD module with the Brackets 88 Removing the Inverter Board and FPC Cable 90 Removing the LCD Brackets 92 Removing the Antennas 93 Removing the Internal Microphone and Web Camera 94 Troubleshooting 97 System... View 118 Clearing Password Check and BIOS Recovery 119 Clearing Password Check 119 BIOS Recovery by Crisis Disk 120 FRU (Field Replaceable Unit) List 121 Aspire 2920/2920Z/2420 Exploded Diagram 122 Aspire 2920/2920Z/2420 Series 130 VIII
Aspire 2420, 2920, 2920Z Service Guide
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...MMC), Memory Stick® (MS), Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD) Input devices K 84-/85-key keyboard with inverted "T" cursor layout, 2.5 mm (minimum) key travel K Touchpad pointing device K 12 function keys, four cursor keys, two Windows® keys, hotkey controls...K Media keys (printed on keyboard): play/pause, stop, previous, next K Empowering Key K Easy-launch buttons: WLAN, Internet, Bluetooth, email, Acer Arcade ™ K Volume wheel Audio K Dolby®-certified surround sound system with two built-in stereo speakers K Dolby® Home Theater audio ...
...MMC), Memory Stick® (MS), Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD) Input devices K 84-/85-key keyboard with inverted "T" cursor layout, 2.5 mm (minimum) key travel K Touchpad pointing device K 12 function keys, four cursor keys, two Windows® keys, hotkey controls...K Media keys (printed on keyboard): play/pause, stop, previous, next K Empowering Key K Easy-launch buttons: WLAN, Internet, Bluetooth, email, Acer Arcade ™ K Volume wheel Audio K Dolby®-certified surround sound system with two built-in stereo speakers K Dolby® Home Theater audio ...
Aspire 2420, 2920, 2920Z Service Guide
Page 46
..., 290 max. 275.82 x 178 x 5.5 max. 1 channel LVDS 262,144 45/45 15/35 0 to +50 -40 to +60 LCD Inverter Item Vendor & model name Brightness conditions Input voltage (V) Input current (mA) Output voltage (V, rms) Output current (mA, rms) Output voltage frequency (k Hz...Brightness Luminance Uniformity Contrast Ratio Response Time (Optical Rise Time/Fall Time)msec Nominal Input Voltage VDD Typical Power Consumption (watt) Weight (without inverter) Physical Size(mm) Electrical Interface Support Color Viewing Angle (degree) Horizontal: Right/Left Vertial: Upper/Lower Temperature Range( ° C)...
..., 290 max. 275.82 x 178 x 5.5 max. 1 channel LVDS 262,144 45/45 15/35 0 to +50 -40 to +60 LCD Inverter Item Vendor & model name Brightness conditions Input voltage (V) Input current (mA) Output voltage (V, rms) Output current (mA, rms) Output voltage frequency (k Hz...Brightness Luminance Uniformity Contrast Ratio Response Time (Optical Rise Time/Fall Time)msec Nominal Input Voltage VDD Typical Power Consumption (watt) Weight (without inverter) Physical Size(mm) Electrical Interface Support Color Viewing Angle (degree) Horizontal: Right/Left Vertial: Upper/Lower Temperature Range( ° C)...
Aspire 2420, 2920, 2920Z Service Guide
Page 100
.... 8. See "Removing the LCD Module" on page 57. 5. See "Removing the LCD module with the brackets from the back cover. Torque 3.0 kgf-cm Removing the Inverter Board and FPC Cable 1. See "Removing the Battery Pack" on page 88. 90 Chapter 3 See "Removing the LCD Bezel" on page 57. 4. 10. See "Removing... "Removing the SD dummy card" on page 69. 7. See "Removing the Keyboard" on page 56. 3. Remove the four screws (I) securing the LCD module and the Inverter panel. Detach the LCD with the Brackets" on page 56. 2. See "Removing the WLAN Board Modules" on page 60. 6.
.... 8. See "Removing the LCD Module" on page 57. 5. See "Removing the LCD module with the brackets from the back cover. Torque 3.0 kgf-cm Removing the Inverter Board and FPC Cable 1. See "Removing the Battery Pack" on page 88. 90 Chapter 3 See "Removing the LCD Bezel" on page 57. 4. 10. See "Removing... "Removing the SD dummy card" on page 69. 7. See "Removing the Keyboard" on page 56. 3. Remove the four screws (I) securing the LCD module and the Inverter panel. Detach the LCD with the Brackets" on page 56. 2. See "Removing the WLAN Board Modules" on page 60. 6.
Aspire 2420, 2920, 2920Z Service Guide
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Detach the acetic tapes holding the FPC cable from its connector, then disconnect the 2P cable on the inverter board to remove it. 11. Disconnect the inverter board cable from the LCD panel and detach the acetic tape securing the FPC connector. 10. Chapter 3 91
Detach the acetic tapes holding the FPC cable from its connector, then disconnect the 2P cable on the inverter board to remove it. 11. Disconnect the inverter board cable from the LCD panel and detach the acetic tape securing the FPC connector. 10. Chapter 3 91
Aspire 2420, 2920, 2920Z Service Guide
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... "Removing the LCD module with the Brackets" on page 69. 7. Removing the LCD Brackets 1. See "Removing the Keyboard" on page 88. 10. See "Removing the Inverter Board and FPC Cable" on page 57. 5. See "Removing the Lower Cover" on page 90. 92 Chapter 3 12. Disconnect the FPC cable from the LCD...
... "Removing the LCD module with the Brackets" on page 69. 7. Removing the LCD Brackets 1. See "Removing the Keyboard" on page 88. 10. See "Removing the Inverter Board and FPC Cable" on page 57. 5. See "Removing the Lower Cover" on page 90. 92 Chapter 3 12. Disconnect the FPC cable from the LCD...
Aspire 2420, 2920, 2920Z Service Guide
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Power source (battery pack and power adapter). Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep, power-on indicator turns on LCD during POST but system runs correctly. blinking cursor shown on and LCD is blank. ... Chapter 4 105 No beep, power-on indicator turns on an external CRT. But you can see POST on and LCD is blank. LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on indicator turns off and LCD is blank. Error Message List No beep Error...
Power source (battery pack and power adapter). Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep, power-on indicator turns on LCD during POST but system runs correctly. blinking cursor shown on and LCD is blank. ... Chapter 4 105 No beep, power-on indicator turns on an external CRT. But you can see POST on and LCD is blank. LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on indicator turns off and LCD is blank. Error Message List No beep Error...
Aspire 2420, 2920, 2920Z Service Guide
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... drive & battery connection board System board Chapter 4 111 LCD inverter ID LCD cable LCD inverter LCD System board Reconnect the LCD connector LCD inverter ID LCD cable LCD inverter LCD System board LCD inverter ID LCD inverter LCD cable LCD System board Indicator-Related Symptoms Symptom / Error ...too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in Sequence Reconnect the inverter board Inverter board System board Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on page 99...
... drive & battery connection board System board Chapter 4 111 LCD inverter ID LCD cable LCD inverter LCD System board Reconnect the LCD connector LCD inverter ID LCD cable LCD inverter LCD System board LCD inverter ID LCD inverter LCD cable LCD System board Indicator-Related Symptoms Symptom / Error ...too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in Sequence Reconnect the inverter board Inverter board System board Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on page 99...
Aspire 2420, 2920, 2920Z Service Guide
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LVDS HUALI/HIGH-TEK 50.ANK01.005 Chapter 6 123 Category Boards Cables No. Part Name and Description RTC BATTERY COIN BATTERY CR2032 MITSUBISHI Acer Part No. 23.TCZV1.004 WIRELESS LAN BOARD 802.11ABG INTEL 3945 MW1 WIRELESS LAN BOARD 802.11ABG INTEL 3945 MW2 WIRELESS LAN BOARD 802.....GLN01.003 KI.GLN01.005 KI.KDN01.001 KI.KDN01.002 KI.KDN01.003 54.ANK01.001 56.ANK01.001 CALADO POWER BD 07563-1 DIP INVERTER BOARD 12.1" YEC YNVW05 MODEM BOARD LITEON DELPHIAM3 3.3V MDC003 A8B B85244300G 55.ANK01.001 19.ANK01.001 FX.22500.011 TOUCHPAD CABLE TENNRICH 50...
LVDS HUALI/HIGH-TEK 50.ANK01.005 Chapter 6 123 Category Boards Cables No. Part Name and Description RTC BATTERY COIN BATTERY CR2032 MITSUBISHI Acer Part No. 23.TCZV1.004 WIRELESS LAN BOARD 802.11ABG INTEL 3945 MW1 WIRELESS LAN BOARD 802.11ABG INTEL 3945 MW2 WIRELESS LAN BOARD 802.....GLN01.003 KI.GLN01.005 KI.KDN01.001 KI.KDN01.002 KI.KDN01.003 54.ANK01.001 56.ANK01.001 CALADO POWER BD 07563-1 DIP INVERTER BOARD 12.1" YEC YNVW05 MODEM BOARD LITEON DELPHIAM3 3.3V MDC003 A8B B85244300G 55.ANK01.001 19.ANK01.001 FX.22500.011 TOUCHPAD CABLE TENNRICH 50...
Aspire 2420, 2920, 2920Z Service Guide
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... 31 Hard Disk Drive Module 61 HDD 31 Hibernation mode hotkey 14 Hot Keys 12 I Indicators 9 Intermittent Problems 115 internal mic and web camera 94 inverter board 90 J Jumper and Connector Locations 117 Top View 117 K Keyboard 35, 69 Keyboard or Auxiliary Input Device Check 98 L Launch Board 77 LCD Bezel...
... 31 Hard Disk Drive Module 61 HDD 31 Hibernation mode hotkey 14 Hot Keys 12 I Indicators 9 Intermittent Problems 115 internal mic and web camera 94 inverter board 90 J Jumper and Connector Locations 117 Top View 117 K Keyboard 35, 69 Keyboard or Auxiliary Input Device Check 98 L Launch Board 77 LCD Bezel...
Aspire 2420, 2920, 2920Z User's Guide - EN
Page 45
...charge system-off • 3.5-hour charge-in-use • 3-pin 65 W AC adapter Special keys and controls • 84-/85-key keyboard with inverted "T" cursor layout, 2.5 mm (minimum) key travel • Touchpad pointing device • 12 function keys, four cursor keys, two Windows® ...• Media keys (printed on keyboard): play/pause, stop, previous, next • Empowering Key • Easy-launch buttons: WLAN, Internet, Bluetooth, email, Acer Arcade ™ • Volume wheel I/O interface • ExpressCard™/54 slot • 5-in-1 card reader (SD™, MMC, MS, MS PRO, ...
...charge system-off • 3.5-hour charge-in-use • 3-pin 65 W AC adapter Special keys and controls • 84-/85-key keyboard with inverted "T" cursor layout, 2.5 mm (minimum) key travel • Touchpad pointing device • 12 function keys, four cursor keys, two Windows® ...• Media keys (printed on keyboard): play/pause, stop, previous, next • Empowering Key • Easy-launch buttons: WLAN, Internet, Bluetooth, email, Acer Arcade ™ • Volume wheel I/O interface • ExpressCard™/54 slot • 5-in-1 card reader (SD™, MMC, MS, MS PRO, ...