TravelMate 2490 - 4230 - 4280 Service Guide
Page 8
...out (NTSC/PAL) support (for selected models) T DVI-D (true digital video interface) support (for selected models) T Acer CinemaVisionTM technology (Acer Arcade) T Acer ClearVisionTM optimization (Acer Arcade) Storage subsystem T 60/80/100/120 GB or higher hard disk drive T Optical drive options: t DVD-Super Multi... Secure Digital (SD), xD-Picture CardTM (xD) (for selected models) Input devices T 88/89-key keyboard with inverted "T" cursor layout; 2.5mm (minimum) key travle (for TravelMate series) T Touchpad with 4-way scroll button T 12 function keys, four cursor keys, two Windows® keys, ...
...out (NTSC/PAL) support (for selected models) T DVI-D (true digital video interface) support (for selected models) T Acer CinemaVisionTM technology (Acer Arcade) T Acer ClearVisionTM optimization (Acer Arcade) Storage subsystem T 60/80/100/120 GB or higher hard disk drive T Optical drive options: t DVD-Super Multi... Secure Digital (SD), xD-Picture CardTM (xD) (for selected models) Input devices T 88/89-key keyboard with inverted "T" cursor layout; 2.5mm (minimum) key travle (for TravelMate series) T Touchpad with 4-way scroll button T 12 function keys, four cursor keys, two Windows® keys, ...
TravelMate 2490 - 4230 - 4280 Service Guide
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... 82% min. @115VAC input full load Power Management All devices in the system are turned off the whole system. OS initiated shutdown. Chapter 1 43 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) AC Adaptor Item...
... 82% min. @115VAC input full load Power Management All devices in the system are turned off the whole system. OS initiated shutdown. Chapter 1 43 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) AC Adaptor Item...
TravelMate 2490 - 4230 - 4280 Service Guide
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Then detach the LCD bezel from the LCD panel. 9. Remove the four screw caps as shown. 2. Remove the screw fastening the LCD inverter. 5. Remove the four screws fastening the LCD right bracket. 11. Remove the four screws holding the LCD bezel. 3. Remove the two screws fastening the LCD ... the LCD module. 4. Remove the LCD right bracket. Tear off the tape fastening the LCD cable. 10. Disassembling the LCD Module 1. Take out the LCD inverter from the LCD cover, then disconnect the LCD cable from the...
Then detach the LCD bezel from the LCD panel. 9. Remove the four screw caps as shown. 2. Remove the screw fastening the LCD inverter. 5. Remove the four screws fastening the LCD right bracket. 11. Remove the four screws holding the LCD bezel. 3. Remove the two screws fastening the LCD ... the LCD module. 4. Remove the LCD right bracket. Tear off the tape fastening the LCD cable. 10. Disassembling the LCD Module 1. Take out the LCD inverter from the LCD cover, then disconnect the LCD cable from the...
TravelMate 2490 - 4230 - 4280 Service Guide
Page 89
...No beep, power-on indicator turns on LCD during POST but system runs correctly. Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep, power-on indicator turns on page 69.. Reconnect the DIMM. Power source (battery pack and power... adapter). Reconnect the LCD connectors. LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on and a blinking cursor shown on and LCD is connected tightly and correctly...
...No beep, power-on indicator turns on LCD during POST but system runs correctly. Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep, power-on indicator turns on page 69.. Reconnect the DIMM. Power source (battery pack and power... adapter). Reconnect the LCD connectors. LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on and a blinking cursor shown on and LCD is connected tightly and correctly...
TravelMate 2490 - 4230 - 4280 Service Guide
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... 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 Action in Sequence Indicator incorrectly remains off . Battery pack Power adapter ... lines displayed. See "Power System Check" on page 69. The system doesn't power-off or on, but system runs correctly 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 69. See "Power System...
... 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 Action in Sequence Indicator incorrectly remains off . Battery pack Power adapter ... lines displayed. See "Power System Check" on page 69. The system doesn't power-off or on, but system runs correctly 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 69. See "Power System...