Manuals
/
Brands
/
Computer Equipment
/
Laptop
/
Texas Instruments
/
Computer Equipment
/
Laptop
Texas Instruments
1
- page 156
1
156
198
198
Download
198 pages, 6.98 Mb
A-20
Notebook Schematic Diagrams
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 19 of 30)
)
Contents
Main
Page
Preface
Introduction
Intended Audience
Contents
Page
Contents
Paragraph Page Preface
Section 1 General Description
Section 2 Installation
Section 3 Operating Instructions
Section 5 Troubleshooting Procedures
Section 6 Field Service
Page
Page
1 General Description
1.1 Introduction
with Mobile Productivity Base
1.2 Product Overview
Basic Extensa 900 Series Notebook Extensa 900 Series
Page
Figure 1-2 900 Series Notebook External Features
1.2.1 V ideo Display Features
Bottom of Unit
Page
1.2.2 Keyboard Features
1.2.3 Software Features
1.2.4 Standard Peripheral Devices
1.2.5 900 Series Connectivity Features
1.2.6 Notebook Expansion Capabilities
1.2.7 Memory Expansion
1.2.8 PCMCIA Card Options
Expansion Memory Access Cover
1.2.9 Mobile Productivity Base Option
1.2.9.1 Docking and Undocking
1.2.9.2 Mobile Productivity Base Ports
1.2.9.3 Advanced PCI Card Options
1.3 Notebook Battery
1.4 Standard Test Features
1.4.1 Power On Self Test
1.4.2 PC-Doctor Diagnostics Program
1.5 Extensa 900 Series Specifications
Video Subsystem
External CRT Monitor Interface
Table 1-5 Extensa 900 Specifications
1-16 General Description
RS-232-D Serial Port:
Parallel Port
Fast I/R Port
Mobile Productivity Base Ready
1.6 Regulatory Agency Approvals
Page
2 Installation
2.1 Introduction
2.2 Unpacking Instructions
2.3 Installing Internal Notebook Options
2.3.1 Installing Main Memory Expansion (Optional)
2.3.2 Setting up the Software
In Windows 95
In Windows for Workgroups
2.3.3 Installing PCMCIA Options
2.4 Installing External Notebook Options
2.4.1 Installing the Mobile Productivity Base (Option)
2.4.1.1 Docking the Notebook to the MPB
2.4.1.2 Cabling to the MPB
Page
Page
Page
2-10 Installation
PARALLEL PORT PINOUTS
Note:
2.4.4 Installing an Exter nal Serial Port Device
* Denotes Active Low
2.4.5 Installing an Exter nal VGA Monitor
Page
2.5 Primary Battery Pack Installation
2.6 Installing the AC Power Adapter
2.7 Initial Software Load
DC-IN Connector
AC Adapter
Page
3 Operating Instructions
3.2.1 Power On/Of f Switch
3.2.2 Notebook LEDs
3.2.3 LED Icons
3.2.4 Keyboard Hot Key Sequences
Standby Mode Indicator
A
Extensa 900 Series Users Guide
Power/Battery-low Indicator
3-4 Operating Instructions
Table 3-3 Hot Keys Available on Attached External keyboard
Table 3-2 Summary of Notebook Hot Key Sequences
3.2.4.1 Windows 95 Special Keys
3.2.4.2 DOS Special Keys
3.3 Configuring the Touchpad
3.4 Using a CD-ROM Drive (MPB Option Only)
3.4.1 Inserting a CD (MPB Option Only)
3.4.2 Handling CDs (MPB Option Only)
3.5 Built-In Sound System
3.5.1 Tur ning Sound On/Off
3.5.2 Sound Software
3.5.3 Exter nal Sound Equipment
3.6 Using Remote Connections
3.6.1 Using the Fast Infrared (FIR) Port
3.7 Using Zoomed Video Features
3.7.1 MPEG PC Card
3.8 Battery Saving Tips
3.8.1 Lowering Inactivity T imeouts
3.8.2 Suspending Operation While Idle
3.8.3 Responding to a Low Battery Condition
3.8.4 Replacing the battery
3.8.5 Saving to Disk
Page
4 Theory of Operation
4.1 Introduction
4.2 Notebook Functional Overview
4-2 Theory of Operation
Figure 4-1 Extensa Functional Block Diagram
M1521
M1523
4.2.1 System Processor
4-4 Theory of Operation
FDD
PCI Card
Advanced
Notebook MPB
CPU M1521
ESS1878S M38813 M6377 87338
Figure 4-2 Detailed System Block Diagram
M1523 PCI BUS ISA BUS
4.2.2 Memory Subsystem
4.2.2.1 Main Memory
4.2.2.2 Flash ROM
4.2.3 System Controller Function
Table 4-4 I/O Address Map
Address Range Device
Page
Page
Page
Page
4.2.4 V ideo Subsystem
4.2.4.1 C&T 65550 Features
4.2.4.1.1 Hardware MultiMedia Support
4.2.4.2 Versatile Panel Support
4.2.4.3 Low Power Consumption
4.2.5 Sound Subsystem
4.2.5.1 ESS1878 Audio Controller with Interface to Expansion Audio Mixer
4.2.6 Keyboard Subsystem
4.2.7 I/O Subsystem
Page
Page
4.2.8 Hard Disk Drive Subsystem
4.2.9 Floppy Disk Drive Subsystem
4.2.10 PCMCIA Subsystem
Page
4.2.11 Power Subsystem
Figure 4-3 Power Subsystem Simplified Block Diagram
Page
Table 4-5 M6377 GPIO Port Definitions
Item Description
4-24 Theory of Operation
Table 4-5 M6377 GPIO Port Definitions (Continued)
Item Description
4.2.11.2 AC Power Adapter
4.2.12 Mobile Productivity Base Interface
Notebook MPB
Page
5 Troubleshooting Procedures
5.1 Introduction
5.2 Overview of Fault Isolation Process
5-2 Troubleshooting Procedures
Figure 5-1 Notebook Computer Troubleshooting Flow Chart
See Paragraphs 5.3.3.1 and 5.3.3.2
See Paragraph 5.5
5.3 Troubleshooting Procedures
5.3.1 T roubleshooting a Power Supply Problem
5.3.2 T roubleshooting a Display Problem
5.3.3 Fault Isolation Using Power On Self Test
5.3.3.1 POST Error Messages
5-6 Troubleshooting Procedures
Table 5-2 Power On Self Test Error Messages
Message Possible Cause Action
Table 5-2 Post Error Messages (continued) Message Possible Cause Action
5-8 Troubleshooting Procedures
5.3.3.2 POST Beep Error Messages
Table 5-2 POST Error Messages (continued) Message Possible Cause Action
5.3.4 Run-T ime Error Messages
5.3.5 PCMCIA Modem Problems
5.4 General Fault Isolation Procedures
Table 5-5 General Troubleshooting Procedures
Problem Corrective Actions
5-12 Troubleshooting Procedures
Table 5-5 General Troubleshooting Procedures (continued)
Table 5-5 General Troubleshooting Procedures (continued)
5.5 Fault Isolation Using Diagnostics
5.5.1 PC-Doctor (In DOS Mode or DOS W indow)
5.5.2 Supporting Online Documentation
5.5.3 User Inter face to PC-Doctor
5.5.4 Quitting PC-Doctor
Page
6 Field Service
6.1 Introduction
6.2 Preventive Maintenance
6.2.1 Cleaning the Computer
6.2.2 Handling the Computer
6.2.3 Handling the Computer Battery Pack
6.2.4 Password Caution
6.3 Required Tools and Equipment
6.4 Notebook FRUs
6.4.1 Cover-Display Assembly
Notebook Assemblies
Field Service 6-5
.
Figure 6-2 Display FRUs Table 6-1 Top Cover Assembly Field-Replaceable Units (FRUs)
6.4.2 System Base Assembly
Field Service 6-7
Table 6-2 Base Assembly Field-Replaceable Units (FRUs)
Base Assembly FRU Description Assembly/ Disassembly Paragraph
TI Part No.
6-8 Field Service
Table 6-2 Base Assembly Field-Replaceable Units (FRUs)
TI Part No.
Base Assembly FRU Description Assembly/ Disassembly Paragraph
6.4.3 Mobile Productivity Base Assembly
6.5 Notebook FRU Replacement Procedures
6.5.1 Removing/Replacing the Notebook Battery Pack
6.5.2 Removing/Replacing PCMCIA Options
Page
Page
6.5.4 Removing/Replacing the Hard Disk Drive Assembly
6.5.5 Removing/Replacing the Keyboard Assembly
6.5.6 Heat Sink Assembly Removal/Replacement
6.5.7 Display Assembly Removal/Replacement
6.5.8 Removing/Replacing the LED/Microphone Board Assembly
6.5.9 Removing/Replacing the CPU Board
6.5.10 Removing/Replacing the Top Cover
6-22 Field Service
Figure 6-15 Removing/Replacing the Top Cover
6.5.11 Removing/Replacing the VGA Video Board
6.5.12 Removing/Replacing the Power Supply Board
6.5.13 Removing/Replacing the DC-In Board Assembly
6.5.14 Removing/Replacing the PC Card Module
6.5.15 Removing/Replacing the Main Board Assembly
Main Board Assembly
6.5.16 Removing Touchpad and Speakers
6.5.17 Removing/Replacing the Display Bezel
6.5.18 Removing/Replacing the LCD
6.5.19 Removing/Replacing the Display Inverter Boards
CN2
6.6 Removing/Replacing MPB FRUs
6.6.1 Removing/Replacing the Media Bay Device
6.6.2 Removing/Replacing the MPB Battery
6.6.3 Removing/Replacing the MPB Housing
6.6.4 Removing/Replacing the Docking Cable
Release Docking Cable
Remove Docking Cable Screws
6.6.5 Removing/Replacing the Docking Mechanism
Docking Mechanism
6.6.6 Removing/Replacing the MPB DC-DC Converter
DC-DC Converter CN8, CN9
6.6.7 Removing/Replacing the MPB Main Board Assembly
Page
Page
Page
Page
Page
Page
Page
A-8 Notebook Schematic Diagrams
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 7 of 30)
DIMM SOCKET
Page
Page
Page
Page
Page
A-14 Notebook Schematic Diagrams
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 13 of 30)
RTC
BIOS ROM
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 14 of 30)
ON OFF
KEYBOARD CONTROLLER
M38813
A-16 Notebook Schematic Diagrams
SUPER I/O CONTROLLER
PC87338
Page
Page
Page
Page
Page
Page
Page
Page
Page
A-26 Notebook Schematic Diagrams
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 25 of 30)
DEBUG-BD GOLDEN FINGER
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 26 of 30)
PS2 INTERFACE
TOUCHPAD CONNECTOR
A-28 Notebook Schematic Diagrams
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 27 of 30)
CHARGER INTERFACE CIRCUIT
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 28 of 30)
LED INTERFACE
Page
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 30 of 30)
Page
Page
B-2 MPB Schematic Diagrams
P
CPU BOARD CONNECTOR
Figure B-1 MPB CPU Board Logic Diagrams (Sheet 1 of 3)
Page
B-4 MPB Schematic Diagrams
Not Installed
THERMAL SENSOR
Figure B-1 MPB CPU Board Logic Diagrams (Sheet 3 of 3)
Figure B-2 MPB Battery Board Logic Diagrams (Sheet 1 of 1)
B-6 MPB Schematic Diagrams
Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 1 of 10)
DOCKING CONNECTOR
SB
5
6
IDE CONTROLLER
9
5
7
6
Page
AUDIO AMP.
MPB DC_IN B.D CONN.
SB
Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 4 of 10)
T329
TP328
Page
DC/DC
SC
Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 6 of 10)
B-12 MPB Schematic Diagrams
24C02
CHARGER I/F
Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 7 of 10)
Advanced PCI I/F
Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 8 of 10)
PS/2 , USB CONN.& NO USE GATE
B-14 MPB Schematic Diagrams
Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 9 of 10)
Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 10 of 10)
B-16 MPB Schematic Diagrams
Figure B-4 MPB VGA Board Logic Diagrams (Sheet 1 of 5)
2
VGA BOARD CONNECTOR
@32K2
5
33
52
65550-B
VGA CONTROLLER
Figure B-4 MPB VGA Board Logic Diagrams (Sheet 2 of 5)
SB
SB
2M VRAM
B-18 MPB Schematic Diagrams
Figure B-4 MPB VGA Board Logic Diagrams (Sheet 3 of 5)
)
LCD I/F
Figure B-4 MPB VGA Board Logic Diagrams (Sheet 4 of 5)
VOLTAGE SWITCH
B-20 MPB Schematic Diagrams
Figure B-4 MPB VGA Board Logic Diagrams (Sheet 5 of 5)
)
Figure B-5 MPB DC In Board Logic Diagrams (Sheet 1 of 1)
B-22 MPB Schematic Diagrams
Figure B-6 MPB LED Board Logic Diagrams (Sheet 1 of 1)
1
POWER_SW2
SW1 SW-SPVE1
C POST BIOS
C.1 Introduction
This section contains a listing of the POST BIOS calls for the Extensa 900 Series Notebook.
C-2 POST BIOS
Page
C-4 POST BIOS
