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Disassembly and Reassembly 3-9

Locate and remove the two screws securing the LCD panel connector to the main board.

Removing the LCD panel screws

A – Screws

Pull the LCD panel up and away from the system.

Keyboard and Heat Plate

Follow these steps to remove the keyboard and heat plate.

Remove the LCD panel from the system.

Partially lift the keyboard up and toward the back of the system to clear the tabs from under
the top cover.

Lifting the keyboard

Содержание VERSA VX

Страница 1: ...NEC Versa Notebook Computer NEC VERSA VX S E R V I C E A N D R E F E R E N C E M A N U A L...

Страница 2: ...n accordance with the terms of the Warranty Statement accompanying each product However actual performance of each such product is dependent upon factors such as system configuration customer data and...

Страница 3: ...e AC Adapter 2 3 Powering the System On and Off 2 3 Using the Battery 2 3 Low Battery Power 2 4 Returning the Battery to its Normal State 2 4 Extending Battery Life 2 4 Battery Handling 2 4 Replacing...

Страница 4: ...Installing the Software 2 22 3 Disassembly and Reassembly Required Tools and Equipment 3 2 Disassembly 3 2 Battery 3 2 Memory Module and Switch Settings 3 3 Switch Settings 3 4 Hard Disk Drive 3 5 LED...

Страница 5: ...Quick Troubleshooting 7 2 Helpful Questions 7 5 8 Getting Services and Support Services and Support Contact Information 8 2 NEC CSD Web Site 8 2 NEC CSD FTP Site 8 3 Email Fax to Support Services 8 3...

Страница 6: ...ook Chapter 3 Disassembly and Reassembly provides detailed instructions on how to disassembly the notebook Chapter 4 System Board Layout shows the system boards and the board connectors Chapter 5 Illu...

Страница 7: ...DMA direct memory access DMAC DMA controller DOS disk operating system DRAM dynamic RAM DVD digital video disk ECC error checking and correction ECP enhanced capabilities port EDO extended data outpu...

Страница 8: ...PPI programmable peripheral interface PROM programmable ROM QFP quad flat pack RAM random access memory RAMDAC RAM digital to analog converter RAS row address strobe RGB red green blue RGBI red green...

Страница 9: ...tting to Know the NEC Versa Around the Front of the System Around the Back of the System Around the Left Side of the System Around the Right Side of the System Around the Bottom of the System Internal...

Страница 10: ...Interconnect PCI architecture In addition your system provides a high performance hard disk drive diskette drive and PC card support Most models are equipped with a 24X CD ROM drive or a DVD ROM driv...

Страница 11: ...The status LEDs are duplicated on the back of the LCD panel to allow viewing when the panel is closed Power and Battery Charging LEDs A Power LED B Battery Charging LED Power LED lets you know that p...

Страница 12: ...ailable on some systems Password Buttons set a password or personal identification number for security Available on some systems Status LEDs keep you informed of your NEC Versa VX s current operating...

Страница 13: ...X accesses the hard disk drive CD ROM drive or DVD ROM drive Diskette Drive Access lights when the NEC Versa VX writes data to or retrieves data from the diskette drive Caps Lock lights when caps lock...

Страница 14: ...n keys Windows keys Cursor control keys Typewriter keys Numeric keypad Control keys Key features and operations are described after the figure Keyboard A Function Keys D Windows Shortcut Key B Control...

Страница 15: ...s Highest Performance 4 beeps Longest Life No function when Windows 98 configured for Advanced Configuration and Power Interface ACPI Fn F8 Increases the LCD s brightness eight settings Applies to XGA...

Страница 16: ...ombinations work specific to the application you are running NEC VersaGlide works like a standard computer mouse Simply move your fingertip over the VersaGlide to control the position of the cursor Us...

Страница 17: ...can connect up to two of these devices at the same time AC Power Port Lets you attach the NEC Versa VX to the AC power source using the AC adapter that comes with your system Keep the system connecte...

Страница 18: ...audio CDs Diskette Drive A 3 5 inch 1 44 MB diskette drive comes installed in the NEC Versa Hard Disk Drive An internal hard disk drive comes installed in the NEC Versa The disk drive is upgradeable A...

Страница 19: ...or depending on the model Lithium Ion Li Ion battery Battery Release Latch Slide the latch to the other end and hold it While holding the latch slide the battery bay outwards to remove the battery Me...

Страница 20: ...the system s configuration for example date time drives and memory The CMOS battery charges when your NEC Versa is connected to AC power The CMOS battery may discharge completely if the NEC Versa not...

Страница 21: ...2 System Configuration and Setup Power Sources for Your NEC Versa BIOS Setup Updating the BIOS NEC Utilities Application and Driver CD...

Страница 22: ...whenever a wall outlet is nearby Keep the adapter connected whenever possible The AC adapter charges the battery when it is connected whether the NEC Versa is powered on or off AC adapter Do not atte...

Страница 23: ...rechargeable Nickel Metal Hydride NiMH or Lithium Ion Li Ion battery Battery packs are easy to install and remove Note Although the battery is fully charged at the factory transit and shelf time may...

Страница 24: ...increases battery life While on the road it is important to be aware of the simple things you can do to extend the life of the system s main battery Turning down the screen brightness Fn F9 extends b...

Страница 25: ...mbination of very old and new batteries can deteriorate battery and equipment performance 1 Save your files exit Windows and turn off system power 2 Close the LCD panel and turn over the system 3 Remo...

Страница 26: ...end mode and the AC adapter is connected charge time is approximately 3 hours For maximum battery performance fully discharge the battery before recharging it To do so unplug the AC adapter turn off p...

Страница 27: ...ls Metal objects in contact with the terminals can cause a short circuit and damage If the battery leaks If the battery leaks onto skin or clothing wash the area immediately with clean water Battery f...

Страница 28: ...re your system with a password balance your performance needs with power conservation Access the BIOS utility at power on Just press F2 when the following prompt appears Press F2 to enter Setup When y...

Страница 29: ...that move the cursor and select parameters Options that are grayed out are not available for the current selection Using Keys The following table lists the BIOS Setup keys and their functions BIOS Set...

Страница 30: ...ow keys to select Yes and press Enter Standard CMOS Setup Use the Standard CMOS Setup screen to view the System Time System Date and to modify drive parameters and related settings Standard CMOS Setup...

Страница 31: ...o avoid infection by some virus types Advanced CMOS Setup Use the Advanced CMOS Setup to set the following functions Advanced CMOS Setup Parameter Default Setting Alternate Setting s Video Out Type NT...

Страница 32: ...sign a password to allow or restrict access to the hard disk drive contents Internal HDD Password Enables or disables the HDD password Password Protection Your NEC Versa supports a password for system...

Страница 33: ...etup highlight and select the System Security Setup 2 Highlight Assign HDD Password and press Enter The system prompts you to enter a master password 3 Enter a master HDD password and press Enter The...

Страница 34: ...here are provisions for establishing HDD passwords Power Management Setup Use the Power Management Setup to balance high performance and energy conservation Power Management Setup Parameter Default Se...

Страница 35: ...Option Definition CPU Speed Control Sets CPU performance at one of four levels Hard Disk Timeout Sets the time delay before your hard disk powers down Video Timeout Sets whether to timeout the video o...

Страница 36: ...py Disabled IDE HDD CD DVD 3rd Boot Device 1 IDE HDD Disabled Floppy CD DVD 4th Boot Device 1 Disabled Floppy CD DVD 1 st Fnd IDE Try Other Boot Devices Yes No 1 Bootable device when set to IDE hard d...

Страница 37: ...sound Internal Hard Drive Enables or disables the internal hard drive Serial Port Disables the port or changes its address assignment Parallel Port Parallel Mode Disables or reassigns the parallel po...

Страница 38: ...rovements or fixes to the current system BIOS Your authorized NEC CSD dealer or NEC CSD Support Services representative can help you determine this To update the system BIOS you must Obtain the BIOS U...

Страница 39: ...nd automatically loads the utility A message similar to the following appears The NEC BIOS Update Utility should not be used to modify the BIOS in a Versa system which is docked If your Versa is docke...

Страница 40: ...ws NT only Use this option to take advantage of the VersaGlide features The NEC Customize utility screen consists of the following A window at the top half of the screen lists the available options Th...

Страница 41: ...s Enter The utility automatically prepares your NEC Versa for the newly installed memory 6 Power off your system and then power on A file large enough to accommodate your system s memory is created on...

Страница 42: ...hted software category or application driver etc Install Clicking the Install button installs the selected software Exit Clicking the Exit button closes the Application and Driver CD dialog box Once t...

Страница 43: ...3 Disassembly and Reassembly Required Tools and Equipment Disassembly Reassembly...

Страница 44: ...ly different disassembly procedures Some earlier units did not have a user removable hard drive Follow the instructions carefully to properly disassemble the systems When disassembling the system unit...

Страница 45: ...lide the battery out of the system Removing the battery A Battery Release Latch Memory Module and Switch Settings Use the following steps to remove the memory module and access the switch settings 1 P...

Страница 46: ...the CD ROM drive The following list identifies each switch setting and its function Switch 1 Password override The default setting is OFF If you forget your password and cannot access the data on your...

Страница 47: ...ard disk drive follow these steps 1 Locate the drive access panel on the left side of the system Open the panel using the notch Opening the panel A Drive Access Panel B Notch 2 Remove the screw that s...

Страница 48: ...e system Removing the disk drive LED Button Assembly Follow these steps to remove the LED Button assembly 1 Open the LCD panel 2 Locate the LCD hinge covers Locate and remove the screw caps and screws...

Страница 49: ...inge covers A Hinge Cover 4 Slide the LED button assembly slightly to the right and lift away from the system Removing the LED button assembly A LED Button Assembly LCD Panel Use the following steps t...

Страница 50: ...cate and remove the two bottom screws securing the LCD panel to the system Removing the screws A Screws 4 Turn the system over and open the LCD panel 5 Locate and remove the left and right hinge screw...

Страница 51: ...e LCD panel screws A Screws 7 Pull the LCD panel up and away from the system Keyboard and Heat Plate Follow these steps to remove the keyboard and heat plate 1 Remove the LCD panel from the system 2 P...

Страница 52: ...ws Loosening the heat plate screws A Screws B Heat Plate 5 Partially lift the heat plate Disconnect the fan cable from connector P5 of the main board and remove the heat plate 6 Disconnect the keyboar...

Страница 53: ...screws on the bottom that secure the top cover to the system Removing the bottom screws A Screw 4 Turn the system over 5 Locate and remove the one screw inside the hard disk drive bay that secures th...

Страница 54: ...embly 6 Locate and remove the one screw on the top that secures the top cover Removing the top screw A Screw 7 Locate and remove the screw securing the LED board Remove the board from the system Remov...

Страница 55: ...the CD control board A Screw B CD Control Board 9 Partially lift the top cover Disconnect the VersaGlide cable from connector P8 on the I O board Remove the top cover Removing the top cover A VersaGl...

Страница 56: ...way from the top cover tabs and remove the VersaGlide from the top cover CD ROM Drive Use the following steps to remove the CD ROM drive 1 Remove the LCD panel keyboard heat plate and top cover from t...

Страница 57: ...LCD panel keyboard heat plate and top cover from the system 2 Carefully disconnect the audio board from connector P7 on the main board by lifting the audio board Disconnecting the audio board A Audio...

Страница 58: ...s to remove the DC DC board 1 Remove the LCD panel keyboard heat plate and top cover from the system 2 Carefully disconnect and remove the DC DC board from connectors P9 and P10 on the main board by l...

Страница 59: ...op cover and audio board from the system 2 Disconnect the diskette drive cable from connector P6 on the I O board 3 Disconnect the CMOS battery from connector P1 of the I O board 4 Carefully disconnec...

Страница 60: ...CMOS battery from the front of the base assembly It is secured with two sided tape Removing the CMOS battery A CMOS Battery Microphone Follow these steps to remove the microphone 1 Remove the LCD pan...

Страница 61: ...p cover audio board and I O board from the system 2 Locate and remove the two screws securing the diskette drive to the base assembly Removing the diskette drive screws A Screws B Diskette Drive 3 Lif...

Страница 62: ...t of the base assembly There are two speakers Removing the speaker A Speaker Kensington Lock Latch Use the following steps to remove the Kensington lock latch 1 Remove the LCD panel keyboard heat plat...

Страница 63: ...crews that secure the main board to the base assembly Use the needle nose pliers to remove the three hex screws Removing the main board screws A Hex Screw C Main Board B Screw 3 Lift the main board ou...

Страница 64: ...CPU standoffs Removing the CPU standoffs A Standoffs 3 Locate pin 1 on the CPU identified by the white triangle on the board Align and place the actuation block of the insertion extraction tool over p...

Страница 65: ...he sides Do not touch the top of the die Pentium III Removal Follow these steps to remove the Pentium III CPU 1 Remove the LCD panel keyboard heat plate top cover audio board I O board diskette drive...

Страница 66: ...main board from the system 2 Turn the main board over 3 Remove both memory modules if present 4 Locate and remove the four screws that secure the PC card assembly to the main board Removing the PC car...

Страница 67: ...4 System Board Layout Audio Board DC DC Board I O Board Main Board...

Страница 68: ...4 2 System Board Layout This following figures show the system boards and connector locations Audio Board A Connector P5 DC DC Board A Connector P1 B Connector P2...

Страница 69: ...D Connector P2 B Connector P3 back side E Connector P1 C Connector P6 F Connector P8 Main Board A Connector P17 F Connector P5 B Connector P15 G Connector P4 C Connector P10 H Connector P7 D Connector...

Страница 70: ...5 Illustrated Parts Breakdown Illustrated Parts Breakdown Parts List...

Страница 71: ...5 2 Illustrated Parts Breakdown Illustrated Parts Breakdown...

Страница 72: ...5A 136 275691 006A 9 Keyboard Heat Plate Assembly 136 245565 001A 10 Microphone Cable Assembly 808 130515 202A 11 Battery Li Ion NiMH 804 021626 002A 804 021627 002A 12 Bottom Base Sub Assembly 136 24...

Страница 73: ...450 MHz Pentium III 500 MHz Pentium III 802 143383 505A 802 143383 506A 802 143383 507A 802 143937 503A 802 143381 504A 802 143607 502A 802 143607 503A Modem Jack Cable 808 130515 613A LAN Port Cable...

Страница 74: ...6 Preventive Maintenance Cleaning the Notebook Exterior Cleaning the Notebook Interior Protecting the Disk Drive Handling the Battery Pack Maintaining the LCD Quality...

Страница 75: ...ior When servicing the inside of the notebook remove dust and other foreign particles from inside the system unit as follows 1 Remove the top cover and keyboard using the disassembly procedures discus...

Страница 76: ...ive shock and vibration Do not expose the battery pack to direct sunlight moisture chemical compounds or extreme heat Do not disassemble the battery pack Do not use the battery pack to power other dev...

Страница 77: ...7 Troubleshooting Quick Troubleshooting Helpful Questions...

Страница 78: ...e installed VGA driver is correct and resolution is set according to the LCD size and type Check if the LCD panel is connected properly Replace the main board LCD screen does not show display Check if...

Страница 79: ...o the other slot Replace the memory module Replace the main board External keyboard or PS 2 mouse does not work Check if the keyboard or mouse is connected properly Check if the PS 2 Y cable is being...

Страница 80: ...enabled in BIOS Setup Check if File Sharing and the Computer name are both set properly Check if the Infrared Monitor is activated Check if the IR ports on both systems are blocked or obstructed Check...

Страница 81: ...o the computer Is the battery fully charged Is the computer turned on and the Power LED activated Is the LCD display switched to the external monitor Are all cables and devices connected properly and...

Страница 82: ...Services and Support Services and Support Contact Information NEC CSD Web Site NEC CSD FTP Site Email Fax to Support Services NEC CSD Bulletin Board NEC CSD Support Services NEC CSD Customer Assistan...

Страница 83: ...any time day or night seven days a week Not only do these services provide information about your NEC system they can also be used to answer your questions and help solve any problems you may have wi...

Страница 84: ...e NEC CSD Support Services if you have access to a fax machine or fax modem The fax numbers are 801 981 3133 or 801 578 5101 When using the email or fax support service you should include the followin...

Страница 85: ...e Main menu select J to join a conference Select Conference 2 for the laptop and portable PC conference 10 From the Main menu press F for the a list of downloadable files Follow the prompts to select...

Страница 86: ...r system s name model number serial number and as much information as possible about your system s problem before calling For outside the U S or Canada please contact your local NEC office or dealer f...

Страница 87: ...9 Specifications System Components Connector Locations Memory Map Interrupt Controllers...

Страница 88: ...ium II and Pentium III Read Only Memory ROM 512 KB flash ROM with boot block Calendar Clock Year month day hour minute second maintained by internal back up battery Input Output I O Facilities Integra...

Страница 89: ...e II or one Type III PC card 5 V or 3 3 V interface LCD Display Panel depending on the model 12 1 inch Thin Film Transistor TFT cold cathode fluorescent tube CCFT backlit Super VGA color 13 3 14 1 inc...

Страница 90: ...n Photo CD Single Session Photo CD Video CD CS I CD I Ready CD G and CD Plus Mini PCI Modem K56 Flex compatible V 34 extended rate protocol V 90 compliant Enhanced AT command set Class 1 and 2 Fax pro...

Страница 91: ...s System Width 12 in 307 mm Depth 9 9 in 252 mm Height 1 6 in 40 mm max 44 mm Weight 6 6 lbs 3 0 kg 12 1 inch LCD 6 8 lbs 3 1 kg 13 3 inch LCD 7 0 lbs 3 2 kg 14 1 inch LCD Recommended Environment Oper...

Страница 92: ...table shows the system s connector locations Connector Locations Connector Location P1 Audio Board P2 Audio Board P1 I O Board P5 I O Board P6 I O Board P8 I O Board P2 Main Board P5 Main Board P7 Ma...

Страница 93: ...te protection The following table shows the system s memory map System Memory Map Memory Space Size Function 00000000h 0009FFFFh 640 KB System Memory 000A0000h 000BFFFFh 128 KB Video Memory 000C0000h...

Страница 94: ...imer IRQ01 Keyboard IRQ02 Cascade IRQ03 IR IRQ04 Serial Port IRQ05 CardBus Mini PCI Sound Video IRQ06 Diskette Drive IRQ07 Parallel Port IRQ08 Real time Clock IRQ09 USB IRQ10 Video IRQ11 Available IRQ...

Страница 95: ...t Output System A collection of primitive computer routines usually burnt into ROM that controls the real time clock keyboard disk drives video display and other peripheral devices bit Binary digit Th...

Страница 96: ...en image using tiny dots called pixels See also LCD cursor A movable image on the display screen that indicates where the next entered data appears D diskette A thin flexible platter coated with a mag...

Страница 97: ...Drive Electronics A hard disk drive type that has controller electronics built into the drive and delivers high throughput interface A connection that enables two devices to communicate interrupt A s...

Страница 98: ...ine N nonvolatile memory Storage media that retains its data when system power is turned off Nonvolatile memory in the NEC Versa is a complementary metal oxide semiconductor CMOS chip which is backed...

Страница 99: ...d into the port to attach the device to the computer processor In a computer a functional unit that interprets and executes instructions prompt A special symbol indicating the beginning of an input li...

Страница 100: ...lution of 1024x 768 with up to 256 colors displayed simultaneously system board The main printed circuit board inside the system unit into which other boards and major chip components such as the syst...

Страница 101: ...mputer without turning off the power through keyboard input pressing Ctrl Alt and Del keys simultaneously or the reset button The system returns to an initial or arbitrarily selected condition write T...

Страница 102: ...switch settings 3 4 diskette drive removing 3 18 Diskette drive 1 12 2 11 specifications 9 4 E Entering BIOS setup 2 8 Establishing passwords 2 12 F Function key combinations 1 7 Function Keys 1 6 H H...

Страница 103: ...o board 3 14 Celeron Pentium II 3 20 hard disk 3 5 I O board 3 16 keyboard and heat plate 3 9 LED Button assembly 3 6 main board 3 20 microphone 3 17 PC card assembly 3 23 Pentium III 3 22 speakers 3...

Страница 104: ...te the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from the one to which the receiver is connected To meet FC...

Страница 105: ...pe recommended by the manufacturer Discard used batteries according to the manufacturer s instructions Il y a danger d explosion s il y a replacement incorrect de la batterie Remplacer uniquement avec...

Страница 106: ...NEC Computer Systems Division 6000 Florin Perkins Road Sacramento CA 95828 1037 www nec computers com 819 200610 000 11 99...

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