Texas-instruments 660 User Manual

Maintenance ManualExtensaTM 660 SeriesNotebook Computers9813214-0001, Rev. AFebruary 1997

1-2 General Description1.2 Product OverviewThe Extensa 660 Series contains two major product lines including:♦ 660 CD Series♦ 660 CDT SeriesBoth not

6-6 Field Service Figure 6-3 System Base Assembly FRUsAudio PWBButtonPWBPowerSupplyPWBCMOS BatteryCPU PWBGlidepadMain PWBTop CoverAssemblyHeat Sink

Field Service 6-7 Table 6-2 System Base Assembly FRU ListingBase Assembly FRU Description Assembly/Disassembly ParagraphTI Part No.PWB AssembliesM

6-8 Field Service Nameplate, Logo Ref 9813173-0001Nameplate, Model 660CD Ref 9813173-0002Nameplate, Model 660CDT Ref 9813173-0003PCMCIA Doors (w/Sp

Field Service 6-96.5 FRU Removal/Replacement ProceduresThe following paragraphs contain field service-level removal/replacement procedures for the

6-10 Field Service Figure 6-4 Removing/Installing Cables with ZIF Connectors6.5.1 Removing/Replacing the Primary Battery PackBefore performing any

Field Service 6-11 Figure 6-5 Battery Removal/Replacement6.5.2 Removing/Replacing a Media Bay DeviceThe computer has a latch-controlled locking me

6-12 Field Service Figure 6-6 Removing/Replacing a Media Bay Device4. Unpack the new accessory.5. Slide the new accessory into the modular bay and

Field Service 6-136.5.3 Removing/Replacing PCMCIA OptionsThe procedure for removing and replacing the PCMCIA options is as follows:1. Stop operatio

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

Field Service 6-156.5.5 Removing/Replacing the Hard Disk Drive AssemblyThe procedure for removing and replacing the Hard Disk Drive assembly is as

General Description 1-3 1.3 Extensa 660

6-16 Field Service 6.5.6 Removing/Replacing the Keyboard AssemblyThe procedure for removing and replacing the keyboard assembly is as follows:1. Tur

Field Service 6-176.5.7 Removing/Replacing the Heat Sink AssemblyThe procedure for removing and replacing the Heat Sink Assembly is as follows:1. T

6-18 Field Service 6.5.8 Removing/Replacing the CPU PWB AssemblyThe procedure for removing and replacing the CPU PWB Assembly is as follows:1. Turn

Field Service 6-196.5.9 Removing/Replacing the Display AssemblyThe procedure for removing and replacing the Display Assembly is as follows:1. Turn

6-20 Field Service 6.5.10 Removing/Replacing the Top Cover AssemblyThe procedure for removing and replacing the Top Cover Assembly is as follows:1.

Field Service 6-216.5.11 Removing/Replacing the LED PWB AssemblyThe procedure for removing and replacing the LED PWB Assembly is as follows:1. Turn

6-22 Field Service 6.5.12 Removing/Replacing the Glidepad AssemblyThe procedure for removing and replacing the Glidepad Assembly is as follows:1. Tu

Field Service 6-236.5.13 Removing/Replacing the Power Supply PWB AssemblyThe procedure for removing and replacing the Power Supply PWB Assembly is

6-24 Field Service 6.5.14 Removing/Replacing the Audio PWB AssemblyThe procedure for removing and replacing the Power Supply PWB Assembly is as foll

Field Service 6-256.5.15 Removing/Replacing the Main PWB AssemblyThe procedure for removing and replacing the Power Supply PWB Assembly is as follo

1-4 General Description- Provisions for installation of second rechargeable battery pack in the Media Bay for extended portable operation.- Li-Ion

6-26 Field Service 6.5.16 Removing/Replacing the Battery/HDD Transfer PWB AssemblyThe procedure for removing and replacing the Battery/HDD Transfer

Field Service 6-276.5.17 Removing/Replacing the Display FRUsThe procedure for removing and replacing the Display FRUs is as follows:1. Turn off the

Schematic Diagrams A-1ASchematic DiagramsA.1 IntroductionThis

A-2 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 1 of 23)

Schematic Diagrams A-3Figure A-2 Motherboard PWB Logic Diagrams (Sheet 2 of

A-4 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 3 of 23)

Schematic Diagrams A-5Figure A-1 Motherboard PWB Logic Diagrams (Sheet 4 of

A-6 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 5 of 23)

Schematic Diagrams A-7Figure A-1 Motherboard PWB Logic Diagrams (Sheet 6 of

General Description 1-5 Figure 1-2 660

A-8 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 7 of 23)

Schematic Diagrams A-9Figure A-1 Motherboard PWB Logic Diagrams (Sheet 8 of

A-10 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 9 of 23)

Schematic Diagrams A-11Figure A-1 Motherboard PWB Logic Diagrams (Sheet 10 o

A-12 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 11 of 23)

Schematic Diagrams A-13Figure A-1 Motherboard PWB Logic Diagrams (Sheet 12 o

A-14 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 13 of 23)

Schematic Diagrams A-15Figure A-1 Motherboard PWB Logic Diagrams (Sheet 14 o

A-16 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 15 of 23)

Schematic Diagrams A-17Figure A-1 Motherboard PWB Logic Diagrams (Sheet 16 o

1-6 General Description1.3.1.1 Internal LCDThe Extensa 660 Series Notebooks contain one of the following LCDs (model dependent):♦ 12.1-inch DSTN dis

A-18 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 17 of 23)

Schematic Diagrams A-19Figure A-1 Motherboard PWB Logic Diagrams (Sheet 18 o

A-20 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 19 of 23)

Schematic Diagrams A-21Figure A-1 Motherboard PWB Logic Diagrams (Sheet 20 o

A-22 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 21 of 23)

Schematic Diagrams A-23Figure A-1 Motherboard PWB Logic Diagrams (Sheet 22 o

A-24 Schematic DiagramsFigure A-1 Motherboard PWB Logic Diagrams (Sheet 23 of 23)

General Description 1-7 1.3.2 Keyboard F

1-8 General Description1.3.3 Software FeaturesAs a standard feature, the Extensa 660 notebooks are factory loaded with dual load (Windows® 95 or Win

General Description 1-9 1.3.4 Standard P

1-10 General DescriptionTable 1-3 660 Series External Ports1.3.6 Expansion CapabilitiesIn addition to the external ports, the Extensa 660 Series N

General Description 1-11 1.3.7 Advanced

Copyright © 1996, 1997 Texas Instruments All Rights ReservedExtensaTM 660 Series Notebook ComputersMaintenance ManualTI Part No. 9813214-0001, Rev. AO

1-12 General Description1.4 Notebook BatteriesThe notebook computer can use one of three types of batteries:♦ Primary Battery - Nickel-Metal-Hydride

General Description 1-13 Table 1-6 show

1-14 General DescriptionPC-Doctor is typically user-friendly but if you don't understand a feature, context-sensitive help information is avail

General Description 1-15 1.6 Extensa 660

1-16 General DescriptionBuilt-in Mouse DeviceGlidepad built-in to the base of the keyboard (select buttons just below Glidepad)Glidepad built-in to

General Description 1-17 RS-232-D Serial

1-18 General Description1.7 Regulatory Agency ApprovalsAll Extensa 660 Series products meet the following regulatory agency standards:♦ Underwriter’

Installation 2-1 2Installat

2-2 Installation2.3 Installing Internal Notebook OptionsIf you have no internal options to install at this time, skip to Paragraph 2.4. Otherwise,

Installation 2-3 Figure 2-1

Preface viiPrefaceIntroductionThis manual

2-4 InstallationIn Windows 95Follow these steps if your computer is running Windows 95.1. From the Taskbar, select Start then Shut Down.2. Select th

Installation 2-5 7. Replace

2-6 Installation Figure 2-3 Installing PCMCIA Option CardsNote: When installing a Zoomed Video option card, the card must be installed in the upper

Installation 2-7 2.4 Insta

2-8 Installation2.4.2 Installing an External Parallel PrinterThe Notebook is equipped with an external, bidirectional, ECC/EPP compatible, 25-pin pa

Installation 2-9 2.4.3 Inst

2-10 Installation2.4.4 Installing an External VGA MonitorThe notebook contains an external CRT port that can drive one of a variety of monitor reso

Installation 2-11 2.5 Batte

2-12 Installation2.6 Installing the AC Power AdapterUse the following procedures to connect the AC adapter to the system:Caution: Use only the AC a

Installation 2-13 process c

viii PrefaceOther Manuals About the SystemThe following documents provide additional information related to the Extensa Notebook Computer Series:♦

2-14 Installation2.8 Backing Up System FilesAfter setting up the operating system, the computer gives you the opportunity to back up the operating

Installation 2-15 Windows 9

Operating Instructions 3-13Operating Instruction

3-2 Operating Instructions 3.2.1 Power On/Off SwitchThe notebook contains an alternate action power switch located on the left side of the notebook a

Operating Instructions 3-33.2.4 Keyboard Hot Key SequencesTa

3-4 Operating Instructions 3.2.4.1 Windows 95 Special KeysPressing the Windows Logo Key acts as the Start button. Pressing this key in combination wi

Operating Instructions 3-5Refer to your Windows 95 manual fo

3-6 Operating Instructions 4. Select the glidepad tab to customize the glidepad to your preference.5. Click on Help for the Synaptics Glidepad driver

Operating Instructions 3-73.5.1 Adjusting the VolumeTo adjus

Contents iiiContentsParagra

3-8 Operating Instructions 3.6.1 Using the Fast Infrared (FIR) PortThe FIR port, located on the rear of the computer, offers wireless communication w

Operating Instructions 3-93.7.1 Lowering Inactivity Timeouts

3-10 Operating Instructions 3.7.4 Replacing the batteryIf you have a spare, charged battery, you can do one of the following.♦ Insert a secondary bat

Theory of Operation 4-1 4Theory of Ope

4-2 Theory of OperationFigure 4-1 Extensa Functional Block DiagramBank 18, 16MB(DIMM)PentiumP55CLM-166MHzCORE CHIPUMC UM8891BF-N,UM8892BF-N,UM8886B

Theory of Operation 4-3 4.2.1 System P

4-4 Theory of OperationController (206) into a single 208 QFP package.Major features of the System Logic Controller include:♦ System:— Fully compati

Theory of Operation 4-5 — On Mode— Doz

4-6 Theory of Operationexternal microphone and line inputs and headphone/speaker outputs.The sound subsystem also includes a variety of sound utili

Theory of Operation 4-7 4.2.9 Power Su

iv ContentsContents (continued)Paragraph PageSection 2 Installation (continued)Installing External Notebook Options - - - - - - - - - - - - - - - -

Troubleshooting Procedures 5-15Troubleshooting Proc

5-2 Troubleshooting ProceduresFigure 5-1 Notebook Computer Troubleshooting Flow ChartSTARTCOMPUTERTROUBLEINDICATION?DEADCOMPUTERSYMPTOMS?RUNSELF TE

Troubleshooting Procedures 5-3 5.3 Troubleshooting Proc

5-4 Troubleshooting Procedures♦ Faulty LCD - Replace the cover-display assembly as described in Section 6 of this manual.♦ Low battery - Use a fully

Troubleshooting Procedures 5-5 5.3.3 Fault Isolation Us

5-6 Troubleshooting ProceduresTable 5-2 Power On Self Test Error MessagesMessage Possible Cause ActionDiskette drive A failureThe drive failed or i

Troubleshooting Procedures 5-7 Table 5-2 POST Error Me

5-8 Troubleshooting Procedures5.3.3.2 POST Beep Error MessagesIn the event of a hardware problem that affects the display, the Notebook also communi

Troubleshooting Procedures 5-9 Try running PC-Doctor (P

Contents vContents (continued)Paragraph Page

5-10 Troubleshooting Procedures3-1-2 21h Master DMA Register Failure3-1-3 22h Master Interrupt Mask Register Failure3-1-4 23h Slave Interrupt Mask

Troubleshooting Procedures 5-11 5.3.4 Run Time Error Me

5-12 Troubleshooting Procedures5.4 General Fault Isolation ProceduresTable 5-5 contains a summary of general problems that may occur during operatio

Troubleshooting Procedures 5-13 Table 5-5 General Trou

5-14 Troubleshooting ProceduresTable 5-5 General Troubleshooting Procedures (continued)M em ory m alfunction 1. Check if the m emory module is ins

Troubleshooting Procedures 5-15 5.5 Fault Isolation Usi

5-16 Troubleshooting Procedures♦ Group of special purpose utilities to run other tests from PC-Doctor, perform a virus scan of the system, edit conf

Troubleshooting Procedures 5-17 5.5.4 Quitting PC-Doct

5-18 Troubleshooting ProceduresFigure 5-2 System Fails to Boot, Initial Checks1Vcc5=5VVcc3=3.3VCheck CON10 Pin13PWRON=5VCheck DC-DCConverterCheck P

Troubleshooting Procedures 5-19 Figure 5-3 Memory Inte

vi ContentsContents (continued)Paragraph PageSection 6 Field Service (continued)Required Tools and Equipment - - - - - - - - - - - - - - - - - - -

5-20 Troubleshooting ProceduresFigure 5-4 CRT Interface Troubleshooting DiagramCheck CN4 and CRTCableCheck L15, L21, L22,L23, L24 (Red, Green,Blue,

Troubleshooting Procedures 5-21 Figure 5-5 FDD Interfa

5-22 Troubleshooting ProceduresFigure 5-6 HDD Interface Troubleshooting Diagram5BIOS Setup O.K.?Enter Correct HDD typeor Auto to Setup Item Hard Di

Troubleshooting Procedures 5-23 Figure 5-7 Keyboard In

5-24 Troubleshooting ProceduresFigure 5-8 CD-ROM Interface Troubleshooting Diagram7Checked CD-ROM Power?Check U605(9956) Pin1VCC-CDROM=5VChecked

Troubleshooting Procedures 5-25 Figure 5-9 Glidepad In

5-26 Troubleshooting ProceduresFigure 5-10 DC/DC Converter Interface Troubleshooting DiagramPRESS POWERSWITCH9DC-IN = 20VBAT = 12VCheck T3, F1, D12

Troubleshooting Procedures 5-27 Figure 5-11 Battery Ch

5-28 Troubleshooting ProceduresFigure 5-12 LED Indicator Function Troubleshooting DiagramCheck Caps Lock LEDCheck CN11 Pin4 CAP#=0VCheck NUM Lock L

Troubleshooting Procedures 5-29 Figure 5-13 Serial Por

General Description 1-1 1General Desc

5-30 Troubleshooting ProceduresFigure 5-14 Suspend Function Troubleshooting DiagramSuspend Function Troubleshooting13Check BIOS PowerManagement Set

Troubleshooting Procedures 5-31 Figure 5-15 Cover Swit

5-32 Troubleshooting ProceduresFigure 5-17 External Keyboard Function Troubleshooting DiagramFigure 5-18 PS/2 External Mouse Function Troubleshoot

Troubleshooting Procedures 5-33 Figure 5-19 Printer Po

Field Service 6-16Field Service6.1 IntroductionThis section contains general preventive and corrective maintenance procedures that apply to all

6-2 Field Service ♦ Never place anything on top of the computer, particularly when it is operating or charging (could result in overheating and dama

Field Service 6-36.3 Required Tools and EquipmentAll Extensa Notebook corrective maintenance procedures can be performed using the following tools:

6-4 Field Service 6.4.1 Cover-Display AssemblyThe Cover-Display Assembly shown in Figure 6-2, contains the LCD screen, DC-AC Inverter Board, DC-DC I

Field Service 6-5 6.4.2 System Base AssemblyAs shown in Figure 6-3, the System Base Assembly houses a variety of field-replaceable subassemblies an