Maintenance_and_Disassembly.pdf

Maintenance & Disassembly

5.1 Introduction

This section contains preventive and corrective maintenance procedures for the V2010

notebook. The first part of the section describes the computer cleaning procedures and

preferred handling procedures for sensitive components (e.g. disk drives, LCD, CPU,

batteries).

The second part of the chapter identifies all field replaceable parts with the remainder

explaining the removal and replacement procedures for the field replaceable parts.

5.2 PreventiveMaintenance

Preventive maintenance is limited to cleaning the plastic case, the keyboard, and the display

screen and cleaning the DVD drive heads as required.

5.2.1 Cleaning the Computer

When it is necessary to clean the plastic case and keyboard, use a soft lint-free cloth, slightly

dampened with a mild detergent solution, or use the contents of any commercially available

computer cleaning kit.

Never use alcohol, petroleum-based solvents, or harsh detergents to clean the

notebook. Also, do not spray any liquids directly on the computer case,

keyboard, or screen. If the liquid-crystal display (LCD) screen has become

smeared or dusty, clean the screen by first applying a mild glass cleaner to a

soft, clean, lint-free cloth, and gently wipe the glass. Never apply liquids directly

on the screen surface. Moreover, do not use paper towels to clean the display

screen. Paper can scratch the display screen matte.

5.2.2 Maintaining the LCD Quality

When it comes to screen problems, heat plays a big part. After a good working session, the

typical routine is to shut the machine and close the cover. But the display surface - no matter

what type it is - and the components inside the computer radiates heat; when you close the

cover, you trap the heat against the screen. Leave the computer's cover open for about ten

minutes while the heat disperses. Make this a habit.

5.2.3 Maintaining the Hard Disk Drive

The hard disk drive is one of the most common parts that always gets problem. Here is some

preventive maintenance that you can do when handling the hard disk.

• Always back up the data files from the hard disk.

• Run a virus detecting program for possible virus infected area on the hard disk.

• Use SCANDISK to correct any errors found in the directory and File Allocation Table

(FAT). This will also free up space from any unused sectors.

• Never turn the computer off when the hard disk is being accessed.

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Maintenance & Disassembly

• Never move or raise the computer while the hard disk is being accessed, most especially

don't jar the hard disk as this may cause a hard disk crash.

• Use hard disk system tools like Disk Defragmenter under Windows. This reorganizes

your hard disk by eliminating fragmentation and improves the hard disk access time.

5.2.4 Handling the Computer Battery Packs

The battery packs furnished with the computer require reasonable care and handling to

ensure efficient operation and maximum life. Periodically inspect the battery terminals and the

batteries for evidence of corrosion and oxide build-up.

To ensure that the battery packs endure normal life cycle, always observe the following

precautions when handling the battery packs:

• Do not drop the battery packs or subject them to excessive shock and vibration.

• Do not expose the battery packs to direct sunlight, moisture, or chemical compounds.

• Do not disassemble the battery packs.

• Do not use the battery packs to power other devices.

• Do not short the battery leads or connect the battery with reversed polarity.

• Never attempt to charge the battery packs in any way other than as described in this

manual and the User’s Manual.

• Always charge the battery packs as soon as possible after a low battery indication.

5.3 Required Tools and Equipment

To troubleshoot and repair PC systems properly, you need a few basic tools:

• Tweezers

• Small flat-blade screwdriver

• Small Cross screwdriver

• Regular size Cross screwdriver

• Small Hex-bolt screwdriver

• IC remover

All boards, options, and peripherals contain components that are sensitive to

static electricity. When handling any of these items, use wrist or ankle grounding

straps and grounded working mats. When moving or storing items, use the anti-

static bags supplied with the items.

5.4 Notebook Field-Replaceable Parts and Assemblies

The notebook contains two major assemblies: The Cover Display LCD Assembly and the

System Unit Assembly.

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Maintenance & Disassembly

5.4.1 Cover-Display LCD assembly

The Cover-Display LCD Assembly includes the following major Field Replaceable Units/parts

(FRUs):

• LCD Face and Back Panel Cover

These parts are used to cover the whole LCD Panel assembly, which includes the LCD

Display Module, the LCD FPC cable, and inverter board,Speak+cable,Wireless LAN

Antenna.

• LCD Display Module

“15” LCD (Liquid Crystal Display) screen is used for output display. This part is

assembled together with LCD Power Inverter Board, and LCD cables contained inside the

whole LCD Panel. Handle this part with care against static electricity and accidents that

can break the LCD.

• LCD Power Inverter Board

This part or PCB (Printed Circuit Board) is used to provide high voltage to the CCFT (Cold

Cathode Fluorescent Tube) of the notebook’s LCD backlighting. It is connected to the

right side of the LCD display screen and attached to the back panel by a screw. Exercise

safety electrical precautions in handling and servicing this part.

• LCD FPC Cable

The LCD FPC cable is used to convert output signals from the motherboard in driving the

LCD display screen. The cable is connected to the back of the LCD Panel.

• Speak+cable

The internal speakers of the notebook are assembled into LCD Panel. They are secured

into a slot and speaker cable connector is attached into the main board.

• Wrieless LAN Antenna

The wireless LAN Antenna connect the wireless LAN Card.

5.4.2 System Unit Assembly

The System Unit Assembly comprise of several assemblies of which can be divided into two

major sub-assemblies.

• The System Top Unit Assembly.

• The System Base Unit Assembly.

The following System Top Unit Assembly includes the following major Field Replaceable

Units/parts (FRUs):

• Glidepad Touch Pad Module Assembly

The touch pad (glide pad) pointing device module is assembled at the underside of the

top cover with the sensor pad exposed on the top. The assembly comprises of the glide

pad board, the glide pad converter board, the select buttons bracket casing, the insulator

sheet, the glide pad FPC cable, and the glidepad wire cable. The glide pad board is

assembled just underneath the select button assembly. It provides a FPC cable connector

for the mother board.

• Keyboard Panel Assembly

The keyboard is assembled on top of the system unit and connected to the main board’s

keyboard FPC type connector. The keyboard is also secured on the system’s top unit

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casing. There are one screw attached to the keyboard.

• Heat Plate and Fan Exhaust Unit

The Fan Exhaust unit is assembled on the upper-right side of the system unit. It

comprises of a heat plate and one fan. There are five screws securing the heat plate to

the CPU module inserted on the motherboard. The exhaust fan is secured beside the

heat plate.

• Keyboard Cover Assembly

The keyboard cover is a thin bracket for holding the keyboard as well as covering the

base unit. It is also includes the power button, Internet button,Email button.

The following System Base Unit Assembly includes the following major Field Replaceable

Units/parts (FRUs):

• Battery Pack

This is one of more easily replaceable parts. The battery pack is found on the right side

on the base unit and can be easily removed by pressing the latch and the unit and pulling

the battery on its handle. The battery pack is replaced as a whole and must not be

opened for repair.

• Hard Disk Drive Module

The Hard Disk Drive is attached on the front side of the system base unit located just

below the TOP Cover. The HDD is secured by two screws. The HDD module is a 2.5-inch

hard disk drive with a maximum height of 9.5mm. The hard drive module assembly is

attached to the motherboard through the HDD connector.

• CD-ROM / DVD-ROM Drive Assembly

The CD-ROM / DVD-ROM / Drive Assembly is attached on the right side of the base unit

and there is only one screw.

• CPU

The Pentium socket is found on the top right part of the motherboard. You will need a flat

screwdriver and CPU tooling for removing or installing the CPU. Refer to Chapter 2 on

how to install and upgrade the CPU.

• Motherboard Assembly

The Motherboard assembly is the most important part of the notebook. It contains the

entire major chipsets including the core logic, PCMCIA, memory, and BIOS to operate the

whole computer. It also includes the sockets, connectors and ports completing the

functionality.

• Internal Wireless LAN/Modem Module Assembly

If the computer includes an internal wireless LAN/Modem.

• System Base Unit Case

The System Base Unit Case is where the Motherboard is placed. It includes openings for

the battery, CD-ROM and PCMCIA equipment.

5.5 Parts Removal and Replacement Procedures

This section contains the field service-level removal/ replacement procedures for the

notebook of V2010 model. The notebook is designed for optimum modularity in order to make

field replacement and maintenance easy and efficient.

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5.5.1 Removing the Battery Pack

The procedure for removing and replacing the battery pack is as follows:

To remove the battery pack,slide the latch to left side and hold it, then take out the battery

pack with your finger.

Battery Latch

Figure 5-1 Remove the battery pack

5.5.2 Removing the Internal Hard Disk Drive

The notebook provides a built-in hard disk for the primary IDE controller. The HDD is an

industry standard 2.5” IDE disk drive with a maximum height of 9.5mm.

1. Find out the built-in hard disk secured with two screws . Remove two screws and

Remove the HDD bracket plate.

2. Pull the hard disk module outside from the connector as the picture shown.

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