Page 2 - Address all correspondence regarding orders to:
Copyright © 1996, 1997 Texas Instruments All Rights Reserved Extensa TM 660 Series Notebook Computers Maintenance Manual TI Part No. 9813214-0001, Rev. A Original Issue: December 1996 Revision A: February 1997 Changes may be made periodically to the information in this publication. Such changes will...
Page 3 - Preface; Introduction; Intended Audience
Preface vii Preface Introduction This manual provides installation, operation and servicing data for the Extensa TM 660 Series Notebook Computers. Intended Audience This manual is primarily intended for use by qualified service technicians but contains information useful to non-technical users. Cont...
Page 4 - viii; Other Manuals About the System; Extensa Series Notebook Computers Users Guide; Ordering Parts and Supplies
viii Preface Other Manuals About the System The following documents provide additional information related to the Extensa Notebook Computer Series: ♦ Extensa Series Notebook Computers Users Guide - Contains user reference information for the Extensa 660 Series Notebook Computers. ♦ PC-Doctor Help an...
Page 5 - iii; Contents; Paragraph
Contents iii Contents Paragraph Page Preface Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - viiIntended Audience - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - viiContents- - - ...
Page 6 - iv
iv Contents Contents (continued) Paragraph Page Section 2 Installation (continued) Installing External Notebook Options - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-7 Installing Ext. Keyboard/Mouse/Numeric Keypad - - - - - - - - - - - - - - - - - - - - - - - 2-7Installin...
Page 7 - Paragraph Page
Contents v Contents (continued) Paragraph Page Section 4 Theory of Operation Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1Notebook Functional Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
Page 9 - General Description; Figure 1-1 Extensa 660 Series Notebook Computers
General Description 1-1 1 General Description 1.1 Introduction This manual contains field and factory level servicing information for the Extensa TM 660 Series Notebook Computers (Figure 1-1) marketed by Texas Instruments. The first six sections contain information common to all members of the Exten...
Page 10 - Table 1-1 Extensa 660 Series Notebook Characteristics
1-2 General Description 1.2 Product Overview The Extensa 660 Series contains two major product lines including: ♦ 660 CD Series ♦ 660 CDT Series Both notebook series are similar in construction and appearance, have similar operating controls and indicators and use the same software. Both notebook se...
Page 11 - Extensa 660 Series Notebook Features
General Description 1-3 1.3 Extensa 660 Series Notebook Features The Extensa 660 Series Notebook Computers are large screen, high-performance, multimedia notebooks powered by the Intel ® P54CSLM Pentium ® Processor Chip (133-MHz). Other major features of the 660 Series include: ♦ 166 MHz Pentium pro...
Page 13 - Figure 1-2 660 Series Notebook External Features; Bottom of Notebook; Left Side of Notebook
General Description 1-5 Figure 1-2 660 Series Notebook External Features 1.3.1 Video Display Features The Extensa 660 Series Notebooks contain large screen internal LCD displays and can simultaneously drive the internal LCD and an external CR T (SimulSCAN TM mode). On all Extensa models, the LCD scr...
Page 15 - Figure 1-3 Extensa 660 Series Keyboard Layout
General Description 1-7 1.3.2 Keyboard Features The Extensa 660 Series Notebooks contain a built-in 86/87-key keyboard (Figure 1-3) compatible with the IBM ® enhanced 101/102-key keyboard. The keyboard contains 12 programmable function keys, an embedded numeric keypad (Figure 1-4) and dedicated cont...
Page 16 - Table 1-2 User-Selectable Operating System Environments
1-8 General Description 1.3.3 Software Features As a standard feature, the Extensa 660 notebooks are factory loaded with dual load (Windows ® 95 or Windows for Workgroups) software to allow the user to configure the notebook’s operating system environment as summarized in Table 1-2. Table 1-2 User-S...
Page 17 - Figure 1-5 660 Series External Ports; VGA Port
General Description 1-9 1.3.4 Standard Peripheral Devices As standard features, the Extensa notebooks include an internal IDE hard drive, a 3.5-inch floppy disk drive, a CD-ROM drive and built-in glidepad (mouse device). 1.3.5 660 Series Connectivity Features As standard features, the Extensa 660 Se...
Page 18 - Table 1-3 660 Series External Ports; Table 1-4 Extensa 660 Expansion Features Summary
1-10 General Description Table 1-3 660 Series External Ports 1.3.6 Expansion Capabilities In addition to the external ports, the Extensa 660 Series Notebooks are designed with a variety of expansion features that permit substantial functionality and performance upgrades over the life of the product....
Page 19 - Figure 1-6 Installing Advanced PCI Card
General Description 1-11 1.3.7 Advanced PCI Card Options The Extensa 660 Series Notebooks contain provisions for an advanced PCI Card (installs from the bottom of the notebook by removing the APCI Cover as shown in Figure 1-6). Figure 1-6 Installing Advanced PCI Card 1.3.8 PCMCIA Card Options The No...
Page 20 - Notebook Batteries; The notebook computer can use one of three types of batteries:; Figure 8 Battery Charge Indicators; Charge Indicators
1-12 General Description 1.4 Notebook Batteries The notebook computer can use one of three types of batteries: ♦ Primary Battery - Nickel-Metal-Hydride type ♦ Primary Battery - Lithium-Ion type (option) ♦ Secondary Battery - Lithium-Ion type (option) The primary battery is housed in the battery comp...
Page 21 - Standard Test Features; Enter
General Description 1-13 Table 1-6 shows how to interpret the battery indicators. 1.4.2 External Battery Charger Option An optional external battery charger is available that charges a battery outside of the computer (all three types of batteries used by the Extensa 660 Series). To order an optional...
Page 23 - Extensa 660 Series Specifications; Table 1-6 Extensa 660 Specifications
General Description 1-15 1.6 Extensa 660 Series Specifications General specifications for the Extensa 660 Series Notebooks are provided in Table 1-6. Table 1-6 Extensa 660 Specifications Characteristic Model 660CD Model 660CDT CPU Pentium P55CLM, 166 MHz; 3.1 Volt Pentium P55CLM, 166 MHz; 3.1 Volt I...
Page 24 - Built-in Mouse Device; External CRT Monitor
1-16 General Description Built-in Mouse Device Glidepad built-in to the base of the keyboard (select buttons just below Glidepad) Glidepad built-in to the base of the keyboard (select buttons just below Glidepadpad) Video Subsystem LCD Aspect Ratio Emulations: Video Memory Size Video Bus: LCD Resolu...
Page 25 - Parallel Port; Expansion Bus Port
General Description 1-17 RS-232-D Serial Port: Method: Type: Bits per second: Parity: Transmit: Receive: Line control: Data word: 16550 UART Support Selectable Serial Port(BIOS Setup) 9-Pin, male, sub-D-type connector EIA RS-232-D Asynchronous transmission 110, 200, 300, 600, 1200, 2400, 4800, 9600,...
Page 26 - Regulatory Agency Approvals
1-18 General Description 1.7 Regulatory Agency Approvals All Extensa 660 Series products meet the following regulatory agency standards: ♦ Underwriter’s Lab (UL) Standard 1950 (safety) ♦ Canadian Standards Association (CSA) Standard 950 or CUL (safety) ♦ FCC CFR 47, Part 15, Subpart B, FCC Level B (...
Page 27 - Installation; Unpacking Instructions
Installation 2-1 2 Installation 2.1 Introduction This section contains unpacking and preparation for use instructions for the Extensa 660 Series Notebook Computers. This includes: ♦ Removing the computer and all manuals, options and accessories from the shipping container(s) ♦ Installing Internal No...
Page 28 - Installing Internal Notebook Options; Remove the EDO soDIMM module from its shipping container.
2-2 Installation 2.3 Installing Internal Notebook Options If you have no internal options to install at this time, skip to Paragraph 2.4. Otherwise, continue with Paragraph 2.3.1. 2.3.1 Installing Main Memory Expansion (Optional) Main memory on the 660 Series Notebooks can be expanded using an EDO S...
Page 29 - Figure 2-1 Memory Expansion Removal/Replacement; PHDISK
Installation 2-3 Figure 2-1 Memory Expansion Removal/Replacement Note: After installing expansion memory in your notebook, you must run the PHDISK utility in order for the Save-To-Disk or 0V Suspend functions to operate correctly. 2.3.2 Setting up the Software Note: If you are using an operating sys...
Page 30 - In Windows for Workgroups; V Suspend; Installing Advanced PCI Option Card
2-4 Installation In Windows 95 Follow these steps if your computer is running Windows 95. 1. From the Taskbar, select Start then Shut Down . 2. Select the Restart the Computer in MS-DOS mode . 3. Click on Yes . 4. Type PHDISK /C /F at the DOS prompt and press Enter . 5. The DOS screen appears and sh...
Page 31 - Figure 2-2 Installing an Advanced PCI Card Option; Use the following procedure to install a PCMCIA option:; New; dialog box to help you configure the new device. To remove a; PCMCIA; icon then, press the appropriate PC Card Release
Installation 2-5 7. Replace the Advanced PCI Access Cover and all components removed in Steps 1 and 2 above. Refer to the User Documentation for the Advanced PCI option for further instructions. Figure 2-2 Installing an Advanced PCI Card Option 2.3.4 Installing PCMCIA Options The Notebook has two co...
Page 32 - Figure 2-3 Installing PCMCIA Option Cards
2-6 Installation Figure 2-3 Installing PCMCIA Option Cards Note: When installing a Zoomed Video option card, the card must be installed in the upper card slot (slot 0 or A). Other option cards can be installed in either card slot. PC CardRelease Levers
Page 33 - Installing External Notebook Options
Installation 2-7 2.4 Installing External Notebook Options 2.4.1 Installing Ext. Keyboard/Mouse/Numeric Keypad A PS/2 compatible Keyboard, mouse or an optional PS/2-compatible numeric keypad may be installed on the notebook via the mouse connector on the left rear port as shown in Figure 2-4. Figure ...
Page 34 - Installing an External Parallel Printer; Figure 2-5 Parallel Port Pinouts
2-8 Installation 2.4.2 Installing an External Parallel Printer The Notebook is equipped with an external, bidirectional, ECC/EPP compatible, 25-pin parallel printer port. The connector pinouts and connector location are shown in Figure 2-5. Figure 2-5 Parallel Port Pinouts 1 2 3 4 5 6 7 8 9 10 11 1 ...
Page 35 - Installing an External Serial Port Device; External Modem; Figure 2-6 Serial Port Pinouts
Installation 2-9 2.4.3 Installing an External Serial Port Device The notebook contains an external RS-232 serial port with a 9-pin, male DB-9 connector as shown in Figure 2-6 (25-pin cables require the use of an adapter for use with the 9-pin port). The serial ports are used to interconnect such dev...
Page 37 - Battery Pack Installation; Figure 2-8 Battery Pack Removal/Installation Installation
Installation 2-11 2.5 Battery Pack Installation 1. Turn off the computer and disconnect the AC adapter if attached to the computer. NOTE: If removing an existing battery, press the battery release latch located underneath the notebook as shown in Figure 2-8 and remove the battery. 2. Look for the ha...
Page 38 - Installing the AC Power Adapter; DC IN; power receptacle on the; Figure 2-9 Installing the AC Adapter; Initial Software Load
2-12 Installation 2.6 Installing the AC Power Adapter Use the following procedures to connect the AC adapter to the system: Caution: Use only the AC adapter supplied with the computer; other adapters can damage the unit. 1. Remove the AC adapter from the packaging. Connect the round coaxial connecto...
Page 40 - Backing Up System Files; About Your Extensa; Texas Instruments
2-14 Installation 2.8 Backing Up System Files After setting up the operating system, the computer gives you the opportunity to back up the operating system on floppy disks. You can make your backups immediately following setup or later. When you choose to back up your operating system on floppy disk...
Page 41 - Windows for Workgroups; Initial System Checkout; Extensa 660 Series Notebook Computer User’s Guide
Installation 2-15 Windows 95 1. Double-click on the Uninstall Demo icon on the desktop. 2. When the Uninstall window appears, you can choose a complete or partial uninstall. If you want to keep some parts of the demo, you can deselect those parts, then click on OK . Windows for Workgroups 1. In the ...
Page 43 - Operating Instructions; Extensa Series Notebook; Figure 3-1 Operating Controls and Indicators; Keyboard
Operating Instructions 3-1 3 Operating Instructions 3.1 Introduction This section contains a summary of notebook operating procedures useful for maintenance operations. For additional detail, refer to the Extensa Series Notebook Computer User’s Guide supplied with the notebook. 3.2 Controls/Indicato...
Page 44 - Table 3-1 LED Icon Descriptions
3-2 Operating Instructions 3.2.1 Power On/Off Switch The notebook contains an alternate action power switch located on the left side of the notebook as shown in Figure 3-1. The first time you press the power switch, power is turned on to the notebook. The next time you press the power switch, power ...
Page 45 - Table 3-2 Summary of Notebook Hot Key Sequences
Operating Instructions 3-3 3.2.4 Keyboard Hot Key Sequences Table 3-2 contains a summary of keyboard hot key sequences useful when performing maintenance operations. Num Lock IndicatorLights when the embedded numeric keypad is toggled ON using the Num Lock hot key (Fn+F7). Refer to Using the Interna...
Page 46 - Windows 95 Special Keys; Pressing the Windows Logo Key; Table 3-3 Hot Keys Available on Attached External keyboard
3-4 Operating Instructions 3.2.4.1 Windows 95 Special Keys Pressing the Windows Logo Key acts as the Start button. Pressing this key in combination with other keys performs special functions. Table 3-4 contains several examples of using the Windows 95 special keys. Pressing the Application Key displ...
Page 47 - DOS Special Keys; Configuring the Glidepad
Operating Instructions 3-5 Refer to your Windows 95 manual for more information on these Windows 95-specific keys and their functions. 3.2.4.2 DOS Special Keys Table 3-5 contains a list of the DOS special keys. 3.3 Configuring the Glidepad You can personalize the control of the glidepad by configuri...
Page 48 - Help; Handling CDs
3-6 Operating Instructions 4. Select the glidepad tab to customize the glidepad to your preference. 5. Click on Help for the Synaptics Glidepad drivers online documentation. 3.4 Using a CD-ROM Drive An optional CD-ROM drive installed in the modular bay of the computer provides fast access to text, p...
Page 49 - Using Remote Connections
Operating Instructions 3-7 3.5.1 Adjusting the Volume To adjust volume on your computer, press the following keys: ♦ Fn+PgUp : Increases speaker volume ♦ Fn+PgDn : Decreases speaker volume ♦ Fn+End : Turns mute On/Off 3.5.2 Sound Software The computer has pre-installed sound support utilities in the...
Page 50 - Battery Saving Tips; Fn
3-8 Operating Instructions 3.6.1 Using the Fast Infrared (FIR) Port The FIR port, located on the rear of the computer, offers wireless communication with other Texas Instruments notebook computers or a variety of IRDA-compliant devices. Without a physical connection, you can print remotely, transfer...
Page 51 - Responding to a Low Battery Condition
Operating Instructions 3-9 3.7.1 Lowering Inactivity Timeouts Inactivity timeouts turn off devices in the computer when you are not using them. Lowering the inactivity timeouts shortens the period of time the computer waits before turning off the device. 3.7.2 Suspending Operation While Idle Althoug...
Page 53 - Theory of Operation; Notebook Functional Overview
Theory of Operation 4-1 4 Theory of Operation 4.1 Introduction This section contains a general block diagram theory of operation description of the Extensa 660 Series Notebook Computers. Note: Various internal components may change on future models and busses/bus speeds are subject to change. 4.2 No...
Page 54 - Figure 4-1 Extensa Functional Block Diagram
4-2 Theory of Operation Figure 4-1 Extensa Functional Block Diagram Bank 1 8, 16MB (DIMM) Pentium P55CLM- 166MHz CORE CHIP UMC UM8891BF-N, UM8892BF-N, UM8886BF-N VGA CHIP C&T 65548 CRT ON LCM INVERTER FLASH BIOS 256KB PCMCIA OMEGA 82C094 KB CONTROLLER MITSUBISHI M38813M4 SUPER I/O NS PC87336VLJ ...
Page 55 - Memory Subsystem; The memory subsystem comprises the following components:
Theory of Operation 4-3 4.2.1 System Processor The System Processor function for the notebook is implemented on the System Board in the form of an Intel Pentium P55CLM 166 MHz Super scalar 586 Processor Chip. The processor operates in conjunction with RAM and ROM Memory and other control logic to pr...
Page 61 - Troubleshooting Procedures; Overview of Fault Isolation Process; Power
Troubleshooting Procedures 5-1 5 Troubleshooting Procedures 5.1 Introduction This section provides an overview of the fault isolation process, provides guidelines for isolating 660 Series computer malfunctions to replaceable subassemblies and provides instructions for executing diagnostics and inter...
Page 62 - Figure 5-1 Notebook Computer Troubleshooting Flow Chart
5-2 Troubleshooting Procedures Figure 5-1 Notebook Computer Troubleshooting Flow Chart START COMPUTER TROUBLE INDICATION ? DEAD COMPUTERSYMPTOMS ? RUN SELF TEST ERROR MESSAGE ? MODEM PROBLEM ? RUN DIAGNOSTICS DIAGNOSTICS ERROR MSG ? NO YES NO YES SEE PARAGRAPH 5.3.5 NO YES SEE PARAGRAPHS 5.3.3.1 and...
Page 63 - Troubleshooting Procedures; Troubleshooting a Power Supply Problem
Troubleshooting Procedures 5-3 5.3 Troubleshooting Procedures The built-in self test program and the disk resident diagnostics program (PC-Doctor) are useful tools in computer troubleshooting. However, if the computer has a power, keyboard or display problem, you must first solve this problem before...
Page 64 - Table 5-1 Display Troubleshooting Guide
5-4 Troubleshooting Procedures ♦ Faulty LCD - Replace the cover-display assembly as described in Section 6 of this manual. ♦ Low battery - Use a fully charged battery and/or plug in the AC adapter. Table 5-1 contains fault isolation information for Display Problems on the notebook. Symptoms are list...
Page 65 - Fault Isolation Using Power On Self Test; Some procedures in this paragraph require you to use keystroke
Troubleshooting Procedures 5-5 5.3.3 Fault Isolation Using Power On Self Test When the computer is first powered up, it automatically performs a Power On Self Test (POST) that checks the notebook’s central hardware and memory functions. During POST (which lasts for a few seconds), the display shows ...
Page 66 - Table 5-2 Power On Self Test Error Messages; Message; Diskette drive A failure; Gate A20 failure
5-6 Troubleshooting Procedures Table 5-2 Power On Self Test Error Messages Message Possible Cause Action Diskette drive A failure The drive failed or is missing. Check the drive to determine the problem. Diskette read failure -press F1 to retry boot, F2for SETUP utility The disk is either notformatt...
Page 67 - No timer tick interrupt
Troubleshooting Procedures 5-7 Table 5-2 POST Error Messages (continued) Message Possible Cause Action No boot device available -press F1 to retry boot, F2for SETUP utility Either disk drive A:, the fixeddisk, or both the disk andfixed disk are defective. Try rebooting. If problempersists, replace t...
Page 68 - Keyboard clock line failure
5-8 Troubleshooting Procedures 5.3.3.2 POST Beep Error Messages In the event of a hardware problem that affects the display, the Notebook also communicates errors via a series of beeps. These codes may be heard over the system's speaker as three bursts of beeps. The interpretation of the beep codes ...
Page 69 - Table 5-3 Self Test Beep Messages
Troubleshooting Procedures 5-9 Try running PC-Doctor (Paragraph 5.5) if possible to verify the source of problem. Table 5-3 Self Test Beep Messages Beep Code Port 80h Description None 01h CPU Register Test in Progress 1-1-3 02h CMOS Write/Read Failure 1-1-4 03h ROM BIOS Checksum Failure 1-2-1 04h Pr...
Page 71 - Table 5-4 Run Time Error Message Troubleshooting
Troubleshooting Procedures 5-11 5.3.4 Run Time Error Messages In the event of a hardware/software error that occurs after completion of POST, the error messages listed and described in Table 5-4 may occur. Table 5-4 Run Time Error Message Troubleshooting 5.3.5 PCMCIA Modem Problems If an optional PC...
Page 72 - General Fault Isolation Procedures; Table 5-5 General Troubleshooting Procedures; Problem
5-12 Troubleshooting Procedures 5.4 General Fault Isolation Procedures Table 5-5 contains a summary of general problems that may occur during operation of the notebook and the appropriate corrective actions that should be taken for each. For other symptoms, go on to Paragraph 5.5 and troubleshoot th...
Page 75 - Fault Isolation Using Diagnostics; key to select; Esc; key to cancel a function and move back one level.
Troubleshooting Procedures 5-15 5.5 Fault Isolation Using Diagnostics PC-Doctor, supplied with the Extensa Series Notebooks, is a powerful diagnostics tool that can help you determine the hardware configuration of a local or remote system, benchmark its performance, analyze the performance of all su...
Page 76 - Online Technical Manual
5-16 Troubleshooting Procedures ♦ Group of special purpose utilities to run other tests from PC-Doctor, perform a virus scan of the system, edit configuration files, surface scan hard drives, measure system performance, open a DOS prompt, provides terminal access to devices connected to serial ports...
Page 77 - pull down menu and then select the; Quit; For additional information, access the; Board Level Troubleshooting Procedures; Table 5-6 Troubleshooting Flowchart Index
Troubleshooting Procedures 5-17 5.5.4 Quitting PC-Doctor To exit PC-Doctor, select the Quit pull down menu and then select the Quit option. Note: For additional information, access the Online Reference Manual for PC-Doctor. 5.6 Board Level Troubleshooting Procedures Figures 5-2 through 5-19 contain ...
Page 78 - Figure 5-2 System Fails to Boot, Initial Checks
5-18 Troubleshooting Procedures Figure 5-2 System Fails to Boot, Initial Checks 1 Vcc5=5V Vcc3=3.3V Check CON10 Pin13 PWRON=5V Check DC-DC Converter Check PWRGOOD Check U7 P1C16C62 Pin23 PWRGOOD Yes No Yes No Check CPUCLK=66MHz Check U39 74CT2524 Pin2 Check PCICLK=33MHz Check U40 74CT2524 Pin6 END Y...
Page 79 - Figure 5-3 Memory Interface Troubleshooting Diagram; END; Memory Interface Tests
Troubleshooting Procedures 5-19 Figure 5-3 Memory Interface Troubleshooting Diagram 2 Check MEMVCC=3.3V Check CN10 Pin 10 Check RAS0, CAS(0~7) Signals Check RP45, RP86, RP87 Check MAC(0~11) Check RP39, RP47, RP51 Check MD(0~63) Check U12, U15, U22, U27, U28, U31, U32, &U33 Pin 2, 3, 4, 5, 7, 8, ...
Page 80 - Figure 5-4 CRT Interface Troubleshooting Diagram
5-20 Troubleshooting Procedures Figure 5-4 CRT Interface Troubleshooting Diagram Check CN4 and CRT Cable Check L15, L21, L22, L23, L24 (Red, Green, Blue, Hsync, Vsync) Check VGA Clock, 14,318MHz and 32,768KHz Check U20 (2093) Pin 71=33MHz, Pin 93=14,318MHz, Pin 82=32,768KHz END Yes No Yes No 3 Syste...
Page 81 - Figure 5-5 FDD Interface Troubleshooting Diagram
Troubleshooting Procedures 5-21 Figure 5-5 FDD Interface Troubleshooting Diagram 4 BIOS Menu Setup Enter Correct FDD type Floppy Diskette properly formatted? Format Diskette or Change Diskette FDD Power Checked? Check U605 (9956)Pin1=5V, CN29 Pin53(motor-ON0#)=5V FDD Motor Checked? Check CN17 Pin51(...
Page 82 - Figure 5-6 HDD Interface Troubleshooting Diagram
5-22 Troubleshooting Procedures Figure 5-6 HDD Interface Troubleshooting Diagram 5 BIOS Setup O.K.? Enter Correct HDD type or Auto to Setup Item Hard Disk properly formatted? Use DOS FDISK program and Format Check HDD Power Check U605 (9956) Pin3=5V Check HDD Data Bus PIN 36, 37, 38, 39, 50, 51, 52,...
Page 83 - Figure 5-7 Keyboard Interface Troubleshooting Diagram
Troubleshooting Procedures 5-23 Figure 5-7 Keyboard Interface Troubleshooting Diagram 6 Keyboard FPC Cable O.K.? Check FPC Cable: Broken or not Checked Keyboard Interrupt? Check U8(M38813) Pin15, IRQ1 Checked Keyboard Scanning Signals? END Yes No Yes No Check CN18 PIN 1 ~ PIN 15 (X1~15) Check CN16 P...
Page 84 - Figure 5-8 CD-ROM Interface Troubleshooting Diagram
5-24 Troubleshooting Procedures Figure 5-8 CD-ROM Interface Troubleshooting Diagram 7 Checked CD-ROM Power? Check U605(9956) Pin1 VCC-CDROM=5V Checked CD-ROM Data Bus? Check U13 PIN 36, 37, 38, 39, 50, 51, 52, 53, 62, 63, 64, 65, 71, 72, 73, & 74 Checked CD-ROM Address Bus? Check U13 PIN68, PIN6...
Page 85 - Figure 5-9 Glidepad Interface Troubleshooting Diagram; Check GLide Pad Data; GLPDATA Signal; Check Glide Pad Power; Check Glide Pad IRQ
Troubleshooting Procedures 5-25 Figure 5-9 Glidepad Interface Troubleshooting Diagram System Fails to Boot:Glide Pad Interface Checks 8 Check GLide Pad Data Signal Check CN21 Pin2 GLPDATA Signal Check Glide Pad Power Check CN21 Pin3 GLPCLK Signal Check Glide Pad Power Check CN21 Pin1=5V Check Glide ...
Page 86 - Figure 5-10 DC/DC Converter Interface Troubleshooting Diagram
5-26 Troubleshooting Procedures Figure 5-10 DC/DC Converter Interface Troubleshooting Diagram PRESS POWER SWITCH 9 DC-IN = 20V BAT = 12V Check T3, F1, D12, D11, F2, Q5, D14 SW2 = 5V Check M/B Check SW1 Check CN33 PIN4 for low pulse Check SW2 U1, PIN 7 Check D29, D2, D3, U2, Q1, Q2, Q3, Q4, C14, R13,...
Page 87 - Figure 5-11 Battery Charger Interface Troubleshooting Diagram
Troubleshooting Procedures 5-27 Figure 5-11 Battery Charger Interface Troubleshooting Diagram System Fails to Boot:Battery Charger Interface Checks DC_IN=19V Check F1, T3 U4=5V Check D18 Charge Battery 1 or Charge Battery 2 Check Charger Control Board (RBC3) U1, D8, D7 Check Battery Pack Voltage &am...
Page 88 - Figure 5-12 LED Indicator Function Troubleshooting Diagram
5-28 Troubleshooting Procedures Figure 5-12 LED Indicator Function Troubleshooting Diagram Check Caps Lock LED Check CN11 Pin4 CAP#=0V Check NUM Lock LED Check CN11 Pin7 NUM#=0V HDD Read/Write LED Check CN7 Pin 3 END Yes No Yes Yes No No Check CD-ROM, FDD, & LED Check Power Management LED Check ...
Page 89 - Figure 5-13 Serial Port Function Troubleshooting Diagram
Troubleshooting Procedures 5-29 Figure 5-13 Serial Port Function Troubleshooting Diagram 12 Check BIOS Setup Enter Correct type for COM1 Check Transmitting Signal Check U1(MAX213) SOUT1 Check Receiving Signal Check U1(MAX213) SIN1 Check MD(0~63) Check U21(87338) Pin1, Pin100, IRQ3,IRQ4 END Yes No Ye...
Page 90 - Figure 5-14 Suspend Function Troubleshooting Diagram; Suspend Function Troubleshooting
5-30 Troubleshooting Procedures Figure 5-14 Suspend Function Troubleshooting Diagram Suspend Function Troubleshooting 13 Check BIOS Power Management Setup Enter Correct type Suspend to RAM Suspend to Disk Check Suspend Signal Check U9 Pin 3 (SUSPEND#=0V) Check Resume Operation Check U9 Pin 3 Suspend...
Page 91 - Figure 5-15 Cover Switch Function Troubleshooting Diagram
Troubleshooting Procedures 5-31 Figure 5-15 Cover Switch Function Troubleshooting Diagram Figure 5-16 Cover Close Function Troubleshooting Diagram Check BIOS Setup Enter Correct Value Check Switch Press Cover Switch Check COVSW#=0V END Yes No Yes No System Boots:Cover Switch Function Checks 14 15 Co...
Page 92 - Figure 5-17 External Keyboard Function Troubleshooting Diagram
5-32 Troubleshooting Procedures Figure 5-17 External Keyboard Function Troubleshooting Diagram Figure 5-18 PS/2 External Mouse Function Troubleshooting Diagram 16 Check Keyboard Data Check U8(38813)Pin17 EXT1DATASignal Check Keyboard Clock Check U8(38813) Pin16 EXT1CLK Check IRQ Signal Check U8(3881...
Page 93 - Figure 5-19 Printer Port Interface Troubleshooting Diagram
Troubleshooting Procedures 5-33 Figure 5-19 Printer Port Interface Troubleshooting Diagram 1 8 Check BIOS Setup Enter Correct Type of Printer Check the Data Bus Check RP5, RP7 Check Busy Signal END Yes No Yes No Check RP2 Pin6(BUSY) Check U21(87338) Entire Circuit Yes No System Boots:Printer Port In...
Page 95 - Field Service; Preventive Maintenance; Never pick up or carry the unit by the cover.
Field Service 6-1 6 Field Service 6.1 Introduction This section contains general preventive and corrective maintenance procedures that apply to all members of the Extensa 660 Notebook family. The first part of the section describes the computer cleaning procedures and preferred handling procedures f...
Page 96 - Suspend; button to put the computer in a; Sleep; Handling the Computer Battery Pack; Do not disassemble the battery pack.
6-2 Field Service ♦ Never place anything on top of the computer, particularly when it is operating or charging (could result in overheating and damage to the computer). ♦ Never move the computer while the hard drive is rotating (press the Suspend button to put the computer in a Sleep mode before clo...
Page 97 - Required Tools and Equipment; Figure 6-1 Extensa 660 Series Assemblies
Field Service 6-3 6.3 Required Tools and Equipment All Extensa Notebook corrective maintenance procedures can be performed using the following tools: ♦ Tweezers ♦ Plastic Stick ♦ Small flat-blade screwdriver ♦ Small Phillips ® screwdriver ♦ 5 mm Nut Driver Caution: All boards, options and peripheral...
Page 98 - Figure 6-2 Cover Display Assembly FRUs
6-4 Field Service 6.4.1 Cover-Display Assembly The Cover -Display Assembly shown in Figure 6-2, contains the LCD screen, DC-AC Inverter Board, DC-DC Inverter Board, bezel LCD cover and various other components as listed in Table 6-1. Figure 6-2 Cover Display Assembly FRUs Flex Cable, Main toTransfer...
Page 99 - Table 6-1 Cover Display Assembly FRU Listing
Field Service 6-5 6.4.2 System Base Assembly As shown in Figure 6-3, the System Base Assembly houses a variety of field-replaceable subassemblies and components. The various assemblies and reference paragraph numbers containing removal/replacement procedures are listed in Table 6-2. Table 6-3 contai...
Page 100 - Figure 6-3 System Base Assembly FRUs; Audio PWB
6-6 Field Service Figure 6-3 System Base Assembly FRUs Audio PWB ButtonPWB PowerSupplyPWB CMOS Battery CPU PWB Glidepad Main PWB Top CoverAssembly Heat SinkAssembly KeyboardAssembly BottomCaseAssembly Battery/HDDTransfer PWB PCMCIADoor
Page 101 - Table 6-2 System Base Assembly FRU Listing
Field Service 6-7 Table 6-2 System Base Assembly FRU Listing Base Assembly FRU Description Assembly/ Disassembly Paragraph TI Part No. PWB Assemblies Mainboard PWB Assembly, Extensa 66x 6.5.15 9813135-0001 CPU PWB Assembly 6.5.8 9813136-0001 Power Supply PWB Assembly 6.5.13 9813138-0001 HDD/Battery ...
Page 104 - Figure 6-4 Removing/Installing Cables with ZIF Connectors; Before performing any of the assembly/disassembly procedures,; always; disconnect the
6-10 Field Service Figure 6-4 Removing/Installing Cables with ZIF Connectors 6.5.1 Removing/Replacing the Primary Battery Pack Before performing any of the assembly/disassembly procedures, always disconnect the AC adapter from the notebook and remove all battery packs. The procedure for removing and...
Page 106 - Figure 6-6 Removing/Replacing a Media Bay Device; Unpack the new accessory.
6-12 Field Service Figure 6-6 Removing/Replacing a Media Bay Device 4. Unpack the new accessory. 5. Slide the new accessory into the modular bay and push the accessory until it latches into place. 6. Place the original accessory in a safe place. 7. Turn on the computer. Module Lock Grip Area
Page 107 - Figure 6-7 Installing/Removing PCMCIA Options
Field Service 6-13 6.5.3 Removing/Replacing PCMCIA Options The procedure for removing and replacing the PCMCIA options is as follows: 1. Stop operation according to operating system (Windows 95 or Windows for Workgroups) instructions. 2. Press the upper card eject button to eject the upper card, low...
Page 108 - Figure 6-8 Removing/Replacing the APCI Option
6-14 Field Service connectors and remove any installed PCMCIA options. 3. Turn the computer over and locate the APCI Access Cover as shown in Figure 6-8. Figure 6-8 Removing/Replacing the APCI Option Bottom of Notebook Advanced PCI Compartment Compartme nt with cover removed Advanced PCI Connector
Page 109 - Figure 6-9 Removing/Replacing the Hard Disk Drive Module; Store the HDD in an antistatic bag.
Field Service 6-15 6.5.5 Removing/Replacing the Hard Disk Drive Assembly The procedure for removing and replacing the Hard Disk Drive assembly is as follows: 1. Power down the notebook, disconnect the AC adapter, if installed, and remove any installed battery packs as described in Paragraphs 6.5.1 a...
Page 110 - Figure 6-10 Removing/Replacing the Keyboard Assembly
6-16 Field Service 6.5.6 Removing/Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Press t...
Page 111 - Figure 6-11 Removing/Replacing the Heat Sink Assembly; Keyboard Assembly
Field Service 6-17 6.5.7 Removing/Replacing the Heat Sink Assembly The procedure for removing and replacing the Heat Sink Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Press...
Page 112 - Caution: Avoid touching the CPU as the CPU pins bend easily.; Replace using the reverse of Steps 1 through 5. (; Note
6-18 Field Service 6.5.8 Removing/Replacing the CPU PWB Assembly The procedure for removing and replacing the CPU PWB Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Press the...
Page 113 - Figure 6-13 Removing/Replacing the Display Assembly
Field Service 6-19 6.5.9 Removing/Replacing the Display Assembly The procedure for removing and replacing the Display Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Press the...
Page 114 - : Ensure that the Close; Figure 6-14 Removing/Replacing the Top Cover Assembly
6-20 Field Service 6.5.10 Removing/Replacing the Top Cover Assembly The procedure for removing and replacing the Top Cover Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Pres...
Page 115 - Figure 6-15 Removing/Replacing the LED PWB Assembly
Field Service 6-21 6.5.11 Removing/Replacing the LED PWB Assembly The procedure for removing and replacing the LED PWB Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Press th...
Page 116 - Figure 6-16 Removing/Replacing the Glidepad Assembly
6-22 Field Service 6.5.12 Removing/Replacing the Glidepad Assembly The procedure for removing and replacing the Glidepad Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Press ...
Page 117 - Figure 6-17 Removing/Replacing the Power Supply PWB Assembly
Field Service 6-23 6.5.13 Removing/Replacing the Power Supply PWB Assembly The procedure for removing and replacing the Power Supply PWB Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and ...
Page 118 - Figure 6-18 Removing/Replacing the Audio PWB Assembly
6-24 Field Service 6.5.14 Removing/Replacing the Audio PWB Assembly The procedure for removing and replacing the Power Supply PWB Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. ...
Page 119 - Figure 6-19 Removing/Replacing the Main PWB Assembly
Field Service 6-25 6.5.15 Removing/Replacing the Main PWB Assembly The procedure for removing and replacing the Power Supply PWB Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2...
Page 120 - Assembly; Remove the Keyboard Assembly as described in Paragraph 6.5.6.
6-26 Field Service 6.5.16 Removing/Replacing the Battery/HDD Transfer PWB Assembly The procedure for removing and replacing the Battery/HDD Transfer PWB Assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Parag...
Page 121 - Figure 6-21 Removing/Replacing Internal Display FRUs
Field Service 6-27 6.5.17 Removing/Replacing the Display FRUs The procedure for removing and replacing the Display FRUs is as follows: 1. Turn off the computer; disconnect the AC power adapter (if attached), and remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2. 2. Press the Cover ...
Page 123 - Schematic Diagrams
Schematic Diagrams A-1 A Schematic Diagrams A.1 Introduction This section contains schematic diagrams for the Extensa 660 Notebook Computer.