Disassembly and Unit Replacement

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 The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch when putting back the components.

Video

Table 1-10 Video Hardware Specification Table 1-10 Video Hardware Specification Table 1-11 Supported External CRT Resolutions Table 1-11 Supported External CRT Resolutions Table 1-12 Supported LCD Resolutions Table 1-12 Supported LCD Resolutions * Maximum resolution (External CRT) 1024x768 Using software, you can set the LCD to a higher resolution than its physical resolution, but the image shown on the LCD will pan.

Basic System Settings

The Basic System Settings screen contains parameter items involving basic computer settings. Cylinders Heads Sectors Size(MB) -------------- Auto xxxx xx xx xxxx i Move Highlight Bar, Change Setting, Esc Exit Press T and I to move the highlight bar press and to change the setting of the highlighted parameter. To exit this screen and return to the main screen, press Esc. The following table describes the parameters in this screen. Settings in boldface are the default and suggested parameter...

AC Adapter

Table 1-28 AC Adapter Specifications Table 1-28 AC Adapter Specifications 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(60Hz) and 230Vac(50Hz) respectively. It should provide an efficiency of 83 minimum, when measured at maximum load under 115V(60Hz). Hold up time (ms 115 Vac input, full load) Output can be shorted without damage 3000 Vac (or 4242 Vdc), 10 mA for 1 second 2. VDE 243 1991 class B...

Chapter System Introduction

1.2 Jumpers and 1.3 Hardware Configuration and 1.3.1 Memory Address 1.3.2 Interrupt Channel 1.3.3 DMA Channel 1.3.4 I O Address 1.3.7 System 1.3.8 Second-Level 1.3.9 Video 1.3.11 Parallel 1.3.12 Serial 1.3.22 DC-DC 1.3.23 DC-AC 1.3.25 AC 1.4 Software Configuration and 1.4.2 Drivers, Applications and 1.5 Block 1.6 Environmental 1.7 Mechanical 2.1 Basic System 2.2 Startup 2.3 Onboard Devices 2.4 System 2.5 Power Management 2.6 Load Default Chapter 3 Disassembly and Unit Replacement 3.1 General...

List of Figures

1-1 Jumpers and Connectors (Top 1-2 Jumpers and Connectors (Bottom 1-3 Power Management Block 1-4 System Block 1-5 Clock Block 3-1 Removing the Battery 3-3 Disassembly Sequence 3-4 Removing the Memory 3-5 Installing and Removing 3-6 Removing the Modem 3-7 Removing the Hard Disk 3-8 Removing the Display Hinge 3-9 Removing the 3-10 Unplugging the Keyboard 3-11 Removing the LED 3-12 Removing the Heat Sink 3-13 Unplugging the Display 3-14 Removing the Display Hinge 3-15 Removing the Display Hinge...

Interrupt Channel

Parity error detected, I O channel error Interrupt from controller 2 (cascade) Cascaded to INT QAH (IRQ 2) Audio PCMCIA Internal Modem Audio (option) PCMCIA Internal modem Serial communication Audio (option) PCMCIA Internal modem Serial communication Hard disk controller PCMCIA controller CD-ROM controller PCMCIA controller Serial communication port 2 Internal modem Audio PCMCIA Serial communication port 1 Internal modem Audio PCMCIA Parallel port (option) Audio PCMCIA Parallel port (option)...

Charger

To charge the battery, place the battery pack inside the battery compartment and plug the AC adapter into the notebook and an electrical outlet. The adapter has three charging modes The notebook uses rapid charging when power is turned off and a powered AC adapter is connected to it. In rapid mode, a fully depleted battery gets fully charged in approximately two hours. When the notebook is in use with the AC adapter plugged in, the notebook also charges the battery pack if installed. This mode...

Software Configuration and Specification BIOS

The BIOS is compliant to PCI v2.1, APM v1.2, E-IDE and PnP specification. It also defines the hotkey functions and controls the system power-saving flow. The notebook supports the following hotkeys. Table 1-29 Hotkey Descriptions Displays the hotkey list and help. Press to exit the screen. Toggles between brightness control and contrast control. Press the scale hotkeys (Fn- and Fn - ) to increase and decrease the brightness or contrast level. Notebooks with TFT displays do not show the...

DCAC Inverter

DC-AC inverter is used to generate very high AC voltage, then supply to LCD CCFT backlight use, and is also responsible for the control of LCD brightness. Avoid touching the DC-AC inverter area while the system unit is turned on. Table 1-26 DC-AC Inverter Specifications Table 1-26 DC-AC Inverter Specifications

Manual Structure

This service guide consists of four chapters and seven appendices as follows This chapter gives the technical specifications for the notebook and its peripherals. This chapter includes the system BIOS information, focusing on the BIOS setup utility. Chapter 3 Disassembly and Unit Replacement This chapter tells how to disassemble the notebook and replace components. This appendix shows the different configuration options for the 365 series notebook computer. Appendix B Compatibility Test Report...

Keyboard

Internal & external keyboard work simultaneously The keyboard has two keys that perform Windows 95-specific functions. See Table 1-26. Start button. Combinations with this key performs special functions, e.g. Windows + Tab Activate next Taskbar button Windows + E Explore My Computer Shift + Windows + M Undo Minimize All Windows + R Display Run dialog box Opens the application's context menu (same as right-click).

System Security

The System Security screen contains parameter items that help safeguard and protect your computer from unauthorized use. i Move Highlight Bar, Change Setting, Esc Exit Press T and I to move the highlight bar press and to change the setting of the highlighted parameter. To exit this screen and return to the main screen, press Esc. The following table describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Table 2-4 System Security...

Drivers Applications and Utilities

The notebook comes preloaded with the following software System utilities and application software PC Card slot drivers and applications Other third-party application software Table 1-35 Location of Drivers in the System Utility CD In some areas, a different operating system may be pre-loaded instead of Windows 95. The system utilities and application software list may vary. To re-install applications under Windows 95, click on Start, then Run Based on the location of the application, run the...

Environmental Requirements

Table 1- 37 Environmental Requirements Table 1- 37 Environmental Requirements 5 - 25.6Hz, 0.38mm 25.6 - 250Hz, 0.5G 5 - 27.1Hz, 0.6G 27.1 - 50Hz, 0.41mm 50-500Hz, 2G 8kV (no error) 12.5kV (no restart error) 15kV (no damage) 4kV (no error) 6kV (no restart error) 8kV (no damage)

Onboard Devices Configuration

The Onboard Devices Configuration screen contains parameter items that are related to port devices on your computer. i Move Highlight Bar, Change Setting, Esc Exit Press T and I to move the highlight bar press and to change the setting of the highlighted parameter. To exit this screen and return to the main screen, press Esc. The following table describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Table 2-3 Onboard Devices Configuration...

Detaching the Top Cover

Follow these steps to detach the top cover from the bottom cover 1. Unplug the touchpad cable CN6 from the keyboard touchpad board and speaker cables CN9 and CN10 . 2. Remove the screws found on the lower case ten total screws, two screws shorter than the rest found on the front corners of the computer . 3. Detach the top cover from the bottom cover.

Installing Memory

Follow these steps to insert memory modules 1. Turn off the computer. Then turn the computer over to access its base. 2. Remove three screws from the memory door then lift up and remove the memory door. 3. Remove the memory modules from its shipping container. 4. Align the connector edge of the memory module with the key in the connector. Insert the edge of the memory module board into the connector. Use a rocking motion to fully insert the module. Push downward on each side of the memory...

Removing the Mainboard

Converter Board

Follow these steps to remove the mainboard 1. Remove the keyboard touchpad board CN14 . Remove two screws and remove the plate that covers the DC-DC converter board. Figure 3-21 Removing the Keyboard Touchpad Board and DC-DC Converter Board Cover Disassembly and Unit Replacement 3-17 Figure 3-21 Removing the Keyboard Touchpad Board and DC-DC Converter Board Cover Disassembly and Unit Replacement 3-17 2. Gently remove the DC-DC converter board CN7 . Figure 3-22 Removing the DC-DC Converter Board...

Disassembling the Top Cover

The touchpad, speakers, audio board are connected to the top cover. The sections below describe the removal process of these components. REMOVING THE HARD DISK DRIVE HEAT SINK Pull up to remove the hard disk drive heat sink from the top cover. Figure 3-26 Removing the Hard Disk Drive Heat Sink REMOVING THE TOUCHPAD 1. Remove four screws and lift up the metal plate and touchpad buttons. 2. Unplug the touchpad cable JP1 and remove the touchpad main sensor and connector unit. 1. Unlock the speaker...

BOS Setup

Extensa Logo

The Setup Utility is a hardware configuration program built into your computer's BIOS Basic Input Ouput System . Your computer is already properly configured and optimized, and you do not need to run this utility. However, if you encounter configuration problems, you may need to run Setup. Please also refer to Chapter 6, Troubleshooting when a problem arises. To activate the Setup Utility, press F2 after you hear a beep while the Extensa logo is being displayed. When Silent Boot described later...

Bos Post Checkpoints

This appendix lists the POST checkpoints of the notebook BIOS. Dispatch Shutdown Path Note At the beginning of POST, port 64 bit 2 8042 system flag is read to determine whether this POST is caused by a cold or warm boot. If it is a cold boot, a complete POST is performed. If it is a warm boot, the chip initialization and memory test is eliminated from the POST routine. Reset PIE, AIE, UIE Note These interrupts are disabled in order to avoid any incorrect actions from happening during the POST...

Silk Screen

For the mainboard layout, please refer to the next page. The following table is a reference when mounting1 the CPU. PCB No. 96532-SA CPU Board Layout Top V mount on X not mount on Silk Screen PCB No. 96532-SA CPU Board Layout Bottom PCB No. 97349-1 Keyboard Touchpad Board Top View PCB No. 97349-1 Keyboard Touchpad Board Bottom View I ' I trig-., i lot. i . i - i-B i-. i-. i-. ezNa szNa znu a. Z 'J '-3- -il r i Fn,_ 1 I ' I trig-., i lot. i . i - i-B i-. i-. i-. ezNa szNa znu a. Z 'J '-3- -il r...

Removing the Display

Follow these steps to remove the display 1. Remove two screws on the bottom and two screws on the rear of the unit. Figure 3-13 Unplugging the Display Cable Figure 3-13 Unplugging the Display Cable 2. Open the display then pull up the display cable CN6 and unplug the inverter cable CN12 . For DSTN type LCD display For TFT type LCD display Figure 3-14 Removing the Display Hinge Screws Figure 3-14 Removing the Display Hinge Screws Detach the display from the main unit and set aside. Figure 3-15...

Disassembling the Mainboard

Follow these steps to disassemble the mainboard REMOVING THE CHARGER BOARD Unplug the charger board containing the power switch, DC-in jack and PS 2 port . Figure 3-24 Removing the Charger Board REMOVING THE PCMCIA SOCKETS The PC Card Connector Module is normally part of the motherboard spare part. The following removal procedure is for reference only. Remove the four 4 screws and then detached the cable connected to the mainbaord CN11 as shown below. Figure 3-25 Removing the PCMCIA Sockets...

Disassembly Sequence

The disassembly procedure described in this manual is divided into four major sections Disassembling the inside frame assembly The following table lists the components that need to be removed during servicing. For example, if you want to remove the motherboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Table 3-1 Guide to Disassembly Sequence Table 3-1 Guide to Disassembly Sequence Remove or replace the hard disk drive Remove or replace the...

Removing the Hard Disk Drive

Acer Travelmate 7730 Disk Remove

Follow these steps to remove the hard disk drive 1. Turn the computer over and locate the hard disk drive bay cover. 2. Press the hard disk drive bay cover release and slide the cover out to remove it. Set aside the cover. 3. Pull the hard disk drive tab to remove the hard disk drive from the hard disk drive bay. Figure 3-7 Removing the Hard Disk Drive 4. Store the hard disk drive in an antistatic bag. If you want to install a new hard disk drive, reverse the steps described above.