Removing the Main Board

Acer Travelmate 240 250 Speakers

1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See Removing the Keyboard on page 63. 4. See Removing the Floppy Disk Drive Module on page 67. 5. See Removing the VGA Heatsink Plate on page 68. 6. See Removing the CPU Heatsink Plate on page 68. 7. See Removing the ODD Module 1 on page 69. 8. See Removing the HDD Bracket on page 69. 9. Disconnect the launch board cable. Tear off the tape that fastens the speaker set cable. Then disconnect the speaker set...

Security

The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Shows the setting of the user password. Shows the setting of the Supervisor password Press Enter to set the user password. When set, this password protects the BIOS Setup Utility from unauthorized access. Press Enter to set the supervisor password. When set,...

Rear Panel

Acer 9920 Back Panel

Connects to a parallel device e.g., parallel printer Connects to a display device e.g., external monitor, LCD projector and displays up to 16M colors at 1024x768 resolution Connects to any Universal Serial Bus devices e.g., USB mouse, USB camera . Connects to an Ethernet 10 100-based network Accepts audio line-in devices e.g., audio CD player, stereo walkman . Connects to audio line-out devices e.g., speakers, headphones .

Removing the DC Board

1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See Removing the Keyboard on page 63. 4. See Removing the Floppy Disk Drive Module on page 67. 5. See Removing the VGA Heatsink Plate on page 68. 6. See Removing the CPU Heatsink Plate on page 68. 7. See Removing the ODD Module 1 on page 69. 8. See Removing the HDD Bracket on page 69. 9. See Removing the Main Board on page 70. 10. Remove the two screws that fasten the DC board. Then detach the DC board from...

Features

This computer was designed with the user in mind. Here are just a few of its many features Performance Intel Mobile Pentium 4 series processors with 512 KB L2 cache or Intel Mobile Celeron processor with 256 KB L2 cache 64-bit memory bus CD, DVD or DVD CD-RW combo drive. Built-in floppy diskette drive High-capacity, Enhanced-IDE hard disk Advanced Configuration Power Interface ACPI power management system Multimedia 16-bit high-fidelity AC'97 stereo audio with 3D sound and wavetable synthesizer...

System Diagnostic Diskette

This diagnostic diskette is for the Acer TravelMate 240 250 series notebook machine. However, system diagnostic utility is not ready as service CD released. Acer HQ CSD will upload the utility to CSD website as soon as it is ready. This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools Wrist grounding strap and conductive mat for preventing electrostatic discharge...

Removing the LCD Module

1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See Removing the Launch Board on page 56. 4. Remove the screw that fastens the LCD coaxial cable and disconnect the cable. Then disconnect the LCD inverter cable. Remove the four screws holding the LCD hinge two on the right and two on the left.Remove the four screws holding the LCD hinge two on the right and two on the left. 6. Remove the two screws on the bottom one on the right and the other on the left....

Power System Check

To verify the symptom of the problem, power on the computer using each of the following power sources 2. Connect the power adapter and check that power is supplied. 3. Disconnect the power adapter and install the charged battery pack then check that power is supplied by the battery pack. If you suspect a power problem, see the appropriate power supply check in the following list Check the Power Adapter on page 97 Check the Battery Pack on page 98 Unplug the power adapter cable from the computer...

Removing the Speaker Set

1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See Removing the Keyboard on page 63. 4. See Removing the Floppy Disk Drive Module on page 67. 5. See Removing the VGA Heatsink Plate on page 68. 6. See Removing the CPU Heatsink Plate on page 68. 7. See Removing the ODD Module 1 on page 69. 8. See Removing the HDD Bracket on page 69. 9. See Removing the Main Board on page 70. 10. See Removing the DC Board on page 70. 11. Tear off the tape fastening the...

The keyboard has three lock keys which you can toggle on and off

When II is on, all alphabetic characters typed are in uppercase. When II Kl is on, the embedded keypad is in numeric mode. The keys function as a calculator complete with the arithmetic operators , -, , and . Use this mode when you need to do a lot of numeric data entry. A better solution would be to connect an external keypad. When H is on, the screen moves one line up or down when you press the up or down arrow keys respectively. does not work with some applications.

Installing the MimiPCI Card Plate

Acer 7730g Mini Pci

1. See Installing the Speaker Set on page 86. 2. See Installing the DC Board on page 86. 3. See Installing the PCMCIA Slot on page 86. 4. See Installing the Main Board on page 86. 5. See Installing the HDD Bracket on page 87. 6. See Installing the ODD Module on page 87. 7. See Installing the CPU Heatsink Plate on page 88. 8. See Installing the VGA Heatsink Plate on page 88. 9. See Installing the Floppy Disk Drive Module on page 88. 10. See Installing the Touchpad Cable on page 89. 11. See...

Disassembly Procedure Flowchart

Disassembled Keyboard

The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. SCREW MAC FLAT M2.5 L4 NI NYLOK 86.00123.630 SCREW M2 3 NYLON 1JMCPC-420325 86.9A352.3R0 SCREW WAFER NYLOK NI 2ML3 86.9A552.3R0

BIOS Flash Utility

The BIOS flash memory update is required for the following conditions New versions of system programs Restore a BIOS when it becomes corrupted. Use the Phlash utility to update the system BIOS flash ROM. NOTE If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the Phlash utility. NOTE Do not install memory-related drivers XMS, EMS, DPMI when you use the Phlash. NOTE Please use the AC adaptor power supply when you run the Phlash...

Navigating the BIOS Utility

There are six menu options Info., Main, System Devices, Security, Boot, and Exit. Follow these instructions To choose a menu, use the cursor left right keys 00 . To choose a parameter, use the cursor up down keys 00 . To change the value of a parameter, press 0or 0. A plus sign indicates the item has sub-items. Press to expand this item. Press while you are in any of the menu options to go to the Exit menu. In any menu, you can load default settings by pressing 0. You can also press 0 to save...

System Block Diagram

Removing the Memory Module

1. See Removing the Battery on page 52. 2. To remove the memory module from the machine, first remove the two screws holding the dimm cover. 1. See Removing the Battery on page 52. 2. To remove the modem board, first remove the screw from the modem cover. 3. Remove the modem cover from the machine. 4. Remove two screws from the modem board as shown. Please remove the screws according to the number on the picture indicate. 5. Then remove the modem board from the main unit carefully by using a...

Installing the Inverter Board LCD

1. See Installing the LCD Hinges on page 95. 2. See Installing the LCD Coaxial Cable on page 95. 3. See Installing the LCD Brackets on page 95. 4. See Installing the 15 TFT LCD on page 96. 5. Connect the inverter cable to the inverter board. Connect the inverter board to the LCD. NOTE Please arrange the LCD inverter cable well to the LCD panel as the picture below shows when you reassemble the LCD module. 6. Secure the inverter board with one screw. 'Installing the LCD Hinges on page 95....

The keyboard has two keys that perform Windowsspecific functions

Start button. Combinations with this key perform shortcut functions. Below m Tab Activates next taskbar button shift M Undoes Minimize All m R Displays the Run dialog box Opens a context menu same as a right-click . The computer employs hot keys or key combinations to access most of the computer's controls like screen contrast and brightness, volume output and the BIOS Utility. To activate hot keys, press and hold the Fn key before pressing the other key in the hot key combination. Displays a...

Removing the MimiPCI Card Plate

1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See Removing the LCD Module on page 57. 4. See Removing the RTC Battery on page 63. 5. Remove the three screws holding the mini PCI card plate and remove the mini PCI card plate.

Above table lists some system memory configurations You may combine DIMMs with

Internal Agere Scorpio chipset Scorpio CSP1037B HITACHI DK23EA-30 HGST MORAGA IC25N030ATMR04-0 TOSHIBA NEPTUNE MK3021GAS HITACHI DK23EA-40 HGST MORAGA IC25N040ATMR04-0 HITACHI DK23EA-60 HGST MORAGA IC25N060ATMR04-0 TOSHIBA NEPTUNE MK6021GAS ATA-5 for other vendors ATA-6 for HGST Data transfer rate disk-buffer, Mbytes Data transfer, rate host buffer, Mbytes s 16.7 MB sec Max. Mode 0 4 Multi-word DMA 16.7 MB sec Max. Mode 0 2 Ultra DMA CD CD-ROM 12cm,8cm , CD-R, CD-RW, CD-DA, CD-ROM Mode 1, Mode2...

Touchpad Check

If the touchpad doesn't work, do the following actions one at a time to correct the problem. Do not replace a non-defective FRU 1. Reconnect the touchpad cables. After you use the touchpad, the pointer drifts on the screen for a short time. This self-acting pointer movement can occur when a slight, steady pressure is applied to the touchpad pointer. This symptom is not a hardware problem. No service actions are necessary if the pointer movement stops in a short period of time. The POST error...

Test Compatible Components

This computer's compatibility is a test plan released by Acer Internal Testing Department. Once the final report is available, this chapter will be revised accordingly. Mobile Pentium 4 3.06GHz 512K, Mobile Pentium 4 2.8GHz 512K, Mobile Pentium 4 2.66GHz 512K, Mobile Pentium 4 2.4GHz 512K, Celeron Portability 2.6Ghz 128k 400FSB, Celeron Portability 2.5Ghz 128k 400FSB, Celeron Portability 2.4Ghz 128k 400FSB, Celeron Portability 2.3Ghz 128k 400FSB, Celeron Portability 2.2Ghz 128k 400FSB, Celeron...

Installing the HDD Bracket

Installing the Speaker Set on page 86. Installing the DC Board on page 86. Installing the PCMCIA Slot on page 86. Installing the Main Board on page 86. Attach the HDD bracket. Then secure the HDD bracket with the four screws

Installing the Processor

Acer Travelmate 240 Batterie Rtc

1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See Removing the Keyboard on page 63. 4. See Removing the RTC Battery on page 63. 5. See Removing the MimiPCI Card Plate on page 63. 6. See Removing the Thermal Module on page 64. 7. Lift up the CPU lever, then place the CPU back to the CPU socket. Please remember to press the CPU lever after you put the CPU back to the socket.

NOTE There is an EEPROM in the inverter which stores its supported LCD type and

Supply voltage for LCD backlight Vrms Maximum input current A, 90Vac, full load The maximum inrush current will be less than 50A and 100A when the adapter is connected to 115Vac and 230Vac respectively. It should provide an efficiency of 80 minimum, when measured at maximum load under 115Vac. 3.9A max can be protected and output can be shorted without damage 15KV at air discharge 8KV at contact discharge 1.The subject product rated 100-120V 60Hz must be listed under UL 1950 and certified with...

Installing the RTC Battery

Upper Case Assembly on page 90. MiniPCI Card Plate on page 92. 16. Place the RTC battery to the RTC battery holder. Connect the RTC battery cable to the main board. Installing the Speaker Set on page 86. Installing the DC Board on page 86. Installing the PCMCIA Slot on page 86 Installing the Main Board on page 86. Installing the HDD Bracket on page 87 Installing the ODD Module on page 87 Installing the CPU Heatsink Plate on page 88. Installing the VGA Heatsink Plate on page 88. Installing the...

Info Vky

SW1 Please see Chapter 5 for detailed settings

Hardware Specifications and Configurations

Mitsubish LPC keyboard controller M38857 High speed 1.525V or 1.55V Low speed 1.2V High speed 1.525V or 1.55V Low speed 1.2V TM240 V1.00 for TM240 TM250 V1.00 for TM250 ACPI 2.0 if available, at least 1.0b , SMBIOS 2.3, PCI 2.2, Boot Block, PXE 2.0, Mobile PC2001, Hard Disk Password, INT 13h Extensions, PCI Bus Power Management interface Specification, EI Torito-Bootable CD-ROM Format Specification V1.0, Simple Boot Flag 1.0 You can install memory modules in any combinations as long as they...

Removing the LCD Coaxial Cable

1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See Removing the Launch Board on page 56. 4. See Removing the LCD Module on page 57. 5. See Removing the LCD Bezel on page 59. 6. See Removing the Inverter Board 15 LCD on page 59. 7. See Removing the 15 TFT LCD on page 60. 8. Tear off the mylar fastening the LCD coaxial cable, then disconnect the coaxial cable. 1. See Removing the Battery on page 52. 2. See Removing the Middle Cover on page 56. 3. See...

Model Definition and Configuration

Removing the Middle Cover

1. See Removing the Battery on page 52. 2. To remove the middle cover, first use a plastic flat screwdriver to remove the right hinge cap. 3. Remove the screw that secures the middle cover. 5. Then remove the screw holding the middle cover on the other side. 6. Detach the middle cover from the machine. 7. Disconnect the launch board cable then remove the middle cover off the main unit.

Troubleshooting

Use the following procedure as a guide for computer problems. NOTE The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Obtain the failing symptoms in as much detail as possible. 2. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation. 3. Use the following table with the verified symptom to determine which...

External CDROM Drive Check

Do the following to isolate the problem to a controller, drive, or CD-ROM. Make sure that the CD-ROM does not have any label attached to it. The label can cause damage to the drive or can cause the drive to fail. Do the following to select the test device 1. Boot from the diagnostics diskette and start the diagnostics program. 2. See if CD-ROM Test is passed when the program runs to CD-ROM Test. 3. Follow the instructions in the message window. If an error occurs, reconnect the connector on the...