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Toshiba Personal Computer Satellite A200 Maintenance Manual
TOSHIBA CORPORATION
[CONFIDENTIAL]
Copyright © 2007 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with respect to the use of the information contained herein. Toshiba Personal Computer Satellite A200 Maintenance Manual First edition March 2007 Disclaimer The information presented in this manual has been reviewed and validated for accuracy. The included set of instructions and descriptions are accurate for the A200 Series at the time of this manual's production. However, succeeding computers and manuals are subject to change without notice. Therefore, Toshiba assumes no liability for damages incurred directly or indirectly from errors, omissions, or discrepancies between any succeeding product and this manual. Trademarks IBM is a registered trademark, and OS/2 and PS/2 are trademarks of IBM Corporation. Microsoft, MS-DOS, Windows, DirectSound and DirectMusic are registered trademarks of Microsoft Corporation. Intel and Pentium are registered trademarks, and SpeedStep is a trademark of Intel Corporation. Sound Blaster is a registered trademark of Creative Technology Ltd. Centronics is a registered trademark of Centronics Data Computer Corporation. Photo CD is a trademark of Eastman Kodak. All other properties are trademarks or registered trademarks of their respective holders.
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[CONFIDENTIAL] Satellite A200 Series Maintenance Manual
Preface
This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite A200, referred to as the M100 Series in this manual. The procedures described in this manual are intended to help service technicians isolate faulty Field Replaceable Units (FRUs) and replace them in the field. SAFETY PRECAUTIONS Four types of messages are used in this manual to bring important information to your attention. Each of these messages will be italicized and identified as shown below. DANGER: "Danger" indicates the existence of a hazard that could result in death or serious bodily injury if the safety instruction is not observed. WARNING: "Warning" indicates the existence of a hazard that could result in bodily injury if the safety instruction is not observed. CAUTION: "Caution" indicates the existence of a hazard that could result in property damage if the safety instruction is not observed. NOTE: "Note" contains general information that relates to your safe maintenance service. Improper repair of the computer may result in safety hazards. Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly. Be sure to fasten screws securely with the right screwdriver. If a screw is not fully fastened, it could come loose, creating a danger of a short circuit, which could cause overheating, smoke or fire. If you replace the battery pack or RTC battery, be sure to use only the same model battery or an equivalent battery recommended by Toshiba. Installation of the wrong battery can cause the battery to explode.
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The manual is divided into the following parts: Chapter 1 Chapter 2 Chapter 3 Chapter 4 Appendices Hardware Overview describes the M100 Series system unit and each FRU. Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service. Replacement Procedures describes the removal and replacement of the FRUs. The appendices describe the following: Handling the LCD module Board layout Pin assignments Keyboard scan/character codes Key layout Screw torque list Reliability
Conventions This manual uses the following formats to describe, identify, and highlight terms and operating procedures. Acronyms On the first appearance and whenever necessary for clarification, acronyms are enclosed in parentheses following their definition. For example: Read Only Memory (ROM) Keys Keys are used in the text to describe many operations. The key top symbol as it appears on the keyboard is printed in boldface type. Key operation
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[CONFIDENTIAL] Satellite A200 Series Maintenance Manual
Some operations require you to simultaneously use two or more keys. We identify such operations by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause (Break) means you must hold down Ctrl and at the same time press Pause (Break). If three keys are used, hold down the first two and at the same time press the third. User input Text that you are instructed to type in is shown in the boldface type below: DISKCOPY A: B: The display Text generated by the computer that appears on its display is presented in the typeface below:
Format complete System transferred
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Table of Contents
Chapter 1 1.1 1.2 1.3 1.4 1.5 1.6 Hardware Overview Features ............................................................................................................................1-1 System Unit ......................................................................................................................1-5 2.5-inch Hard Disk Drive .................................................................................................1-6 Optical device Drives .......................................................................................................1-8 Power Supply .................................................................................................................1-10 Batteries..........................................................................................................................1-12 Troubleshooting Procedures
Chapter 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19
Troubleshooting Introduction...........................................................................................2-3 Troubleshooting Flowchart ............................................2-Error! Bookmark not defined. Power Supply Troubleshooting ........................................................................................2-9 Display Troubleshooting .............................................2-Error! Bookmark not defined. Keyboard Troubleshooting.............................................................................................2-17 External USB Devices Troubleshooting ........................................................................2-19 TV-Out Failure Troubleshooting ...................................................................................2-21 TouchPad Troubleshooting ............................................................................................2-23 Speaker Troubleshooting................................................................................................2-25 Optical drive troubleshooting.......................................................................................2-27 Modem Troubleshooting ................................................................................................2-30 Express card Troubleshooting........................................................................................2-32 IEEE 1394 Troubleshooting...........................................................................................2-34 Wireless LAN Troubleshooting .....................................................................................2-36 Camera Troubleshooting .............................................................................................. 2-38 Bluetooth Troubleshooting...................................................................... 2-40 4 in 1 card Troubleshooting......................................................................2-42 1st HDD Troubleshooting........................................................................2-44 2nd HDD Troubleshooting.........................................................................2-46
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[CONFIDENTIAL] Satellite A200 Series Maintenance Manual
Chapter 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17
Tests and Diagnostics
The Diagnostic Test.................................................................................3-3 Executing the Diagnostic Test....................................................................3-5 Display Configuration..............................................................................3-9 Speaker Audio Test................................................................................3-10 Fan ON/OFF Test..................................................................................3-11 Main Battery Charge Test.........................................................................3-12 FDD Test............................................................................................3-13 ODD Test...........................................................................................3-14 Keyboard Test......................................................................................3-15 Mouse (Pad) Test..................................................................................3-17 LCD Pixels Mode Test............................................................................3-19 Magnetic switch Test..............................................................................3-20 LAN Test............................................................................................3-21 RTC Test............................................................................................3-24 Read 1394 GUID..................................................................................3-25 Speaker EQ Type Check&Re-Write.............................................................3-26 Button Test..........................................................................................3-27
3.18 1st HDD Test........................................................................................3-28 3.19 2nd HDD Test.......................................................................................3-31 3.20 Satellite LED Test.................................................................................3-34 Replacement Procedures
Chapter 4 4.1
General ............................................................................................Error ! Bookmark not defined. Battery .............................................................................................Erro r! Bookmark not defined. PC Card ...........................................................................................Error! Bookmark not defined.
4.2
4.3
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4.4
Memory Card .... ...................................................................................Error! Bookmark not defined. HDD .............................................................................................Erro r! Bookmark not defined. Expansion Memory ............................................................................Error! Bookmark not defined. Optical Drive Module .........................................................................Error! Bookmark not defined. Optical Drive ... ....................................................................................Error! Bookmark not defined. Keyboard ........................................................................................Error! Bookmark not defined. Display Assembly .......... ..............................................................................Error! Bookmark not defined. Display Mask ... ....................................................................................Error! Bookmark not defined. FL Inverter Board .......... ..............................................................................Error! Bookmark not defined. LCD Module .. ....................................................................................Error! Bookmark not defined. WLAN antennas ........ ................................................................................Error! Bookmark not defined. Camera and Microphone ......................................................................Error! Bookmark not defined. Bluetooth module .......... ..............................................................................Error! Bookmark not defined.
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
4.16
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4.17
Touch Pad .......................................................................................Error! Bookmark not defined. Fingerprint Module ............. .............................................................................Error! Bookmark not defined. Speakers ..........................................................................................Error! Bookmark not defined. Function Button Board ........................................................................Error! Bookmark not defined. USB Board . ......................................................................................Error! Bookmark not defined. MDC Card .......................................................................................Error! Bookmark not defined. Wireless Module .......... ...............................................................................Error! Bookmark not defined. System Fan . ......................................................................................Error! Bookmark not defined. System Board ..... ...................................................................................Error! Bookmark not defined. VGA Board .. .....................................................................................Error! Bookmark not defined. CPU .............................................................................................Erro r! Bookmark not defined.
4.18
4.19
4.20
4.21
4.22
4.23
4.24
4.25
4.26
4.27
Appendices Appendix A Appendix B Appendix C Handling the LCD Module ................................................................................. A-1 Board Layout ...................................................................................................... B-1 Pin Assignments.................................................................................................. C-1
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Appendix D Appendix E Appendix F Appendix G
Keyboard Scan/Character Codes.........................................................................D-1 Key Layout .......................................................................................................... E-1 Series Screw Torque List .................................................................................... F-1 Reliability ............................................................................................................G-1
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Chapter 1 Hardware Overview
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1 Hardware Overview
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Minnesota 10M/10MG Series Maintenance Manual
1 Hardware Overview
Chapter 1
1.1 1.2 1.3 1.4 1.5 1.6
Contents
Features ...................................................................................................................... 1-1 System Unit................................................................................................................ 1-5 2.5-inch Hard Disk Drive........................................................................................... 1-6 Optical device Drives................................................................................................. 1-8 Power Supply ........................................................................................................... 1-10 Batteries ................................................................................................................... 1-12
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1 Hardware Overview
Figures Figure 1-1 Tables Table 1-1 Table 1-2 Table 1-3 Table 1-4 2.5-inch HDD specifications ......................................................................... 1-6 DVD-ROM & CD-RW drive specifications ................................................. 1-8 DVD Super Multi Double Layer drive specifications................................... 1-9 Battery specifications .................................................................................. 1-12 2.5-inch HDD ................................................................................................ 1-6
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1.1 Features
1 Hardware Overview
1.1
Features
The Minnesota 10M/10MG Series Personal Computer uses extensive Large Scale Integration (LSI), and Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to provide compact size, minimum weight and high reliability. This computer incorporates the following features and benefits: CPU · · · Intel® CoreTM 2 Duo Processor Intel® CoreTM Duo Processor Intel® Pentium® Dual Core Processor
· Intel® Celeron® M Processor Chipset · · Mobile Intel® 945PM Express Chipset Mobile Intel® 945GM Express Chipset
· Mobile Intel® 943GML Express Chipset Memory · BIOS · · · 1024MB Flash ROM for system BIOS Suspend to RAM/Disk Password protection Power on password Supervisor password HDD password for WW No HDD password for JP Various hot key for system control Refreshable Complete ACPI 2.0 function SMBIOS V2.4 Supports JSB memory Boot, USB Super Fetch, SD Super Fetch Two DDRII SO-DIMM, up to 4GB with Intel 945PM/GM Chipset or up to 2GB with Intel 943GML Chipset
· · · · · Power ·
Universal AC adapter, 90~264VAC, 47~63Hz. Offers constant voltage 19V output source with 65W max output power capacity for Minnesota 10M Offers constant voltage 19V output source with 75W max output power capacity for Minnesota 10M Offers constant voltage 19V output source with 90W max output power capacity for Minnesota 10MG
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1 Hardware Overview · · · · · · HDD · ·
1.1 Features
3 cells of Li-Ion 18650 size, smart battery pack with 2000mAH x 10.8V (21.6W) 6 cells of Li-Ion 18650 size, smart battery pack with 4000mAH x 10.8V (43.2W) 9 cells of Li-Ion 18650 size, smart battery pack with 6000mAH x 10.8V (64.8W) Approximately 12 hours or longer charging time to 100% battery capacity with system switched on. Approximately 4 hours charge time to 100% battery capacity with system switched off. Discharge time in shutdown mode is approximately 1 month
One/Dual 2.5", 9.5/12.5mm Hard Disk, up to 400GB (200GB+200GB) SATA 1.5Gb/s
· 9.5/12.5mmH, 2.5" SATA HDD Support VGA · · Intel® 945GM for Integrated Graphics Intel® 943GML for Integrated Graphics
· nVIDIA GeForce® Go 7300 Fixed Optical drive · · 12.7mm height, DVD-ROM & CD-RW combo device 12.7mm height, DVD Super-multi device
· 12.7mm height, DVD Super-multi device with Label Flash Optional Devices · · · Express Card Build-in antenna for wireless LAN module Build-in antenna for Bluetooth module
· MDC Modem Keyboard · · · 86/87 keys Standard pitch 19.05mm, 2.5±0.3mm travel length Windows key, Application key
· Vista key supported Touch Pad with Two Buttons · Left button · Right button I/O Ports · · · Four USB (V2.0) ports One DDC2b compliant 15-pin VGA port (RGB) One S-Video port
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1.1 Features · · · · · · · · · · · · ·
1 Hardware Overview
One microphone port One headphone-out jack Digital/Rotary volume control Wireless communication switch One DC-in jack One RJ-11 jack for 56kbps V.92 modem One RJ-45 jack with LED indicator Kensington lock One IEEE 1394a port Fingerprint authentication One 4-in-1 push-push type flash card connector and card reader Built-in camera with microphone One type II PCMCIA slot with shutter door
· One SIM card reader Express Card Slot · · · TI 8402 card bus controller for the model with Bridge media slot PC Card 95 supported with one Type II Card socket With Shutter door
· No ZV-Port support Wireless LAN module · Dual-band built-in antenna for wireless LAN communication · WLAN module b/g, a/b/g, and a/b/g/n 5 in 1 Card Reader Organization · · TI 8402 controller SD, miniSD, MMC, Memory Stick/PRO, and xD card supported
· ACPI 2.0 compliant Excellent Power Management Function · · · · · · · Standby mode, Suspend to RAM or Suspend to disk mode, using time out or hot key HDD local standby mode by time out LCD local standby mode by time out Low battery alarm by beep Auto-backlight off when LCD cover closed Full ACPI 2.0 supported LCD auto-dim mode by time out
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1 Hardware Overview
1.1 Features
Switches · · · Power button Two programmable launch buttons Four control buttons for CD playing
· Wireless communication switch Security · Fingerprint authentication AC Adapter · · · Universal AC adapter module Liteon & Delta 65W, 75W and 90W adapters Output voltage: 19Vdc
· Input Voltage/Frequency range: 90-264Vac, 47-63Hz Display · · 15.4" (16:10) TFT screen with a resolution of 1280 horizontal x 800 vertical pixels, CSV VA, high brightness approximately 200nits, WXGA
15.4" (16:10) TFT screen with a resolution of 1280 horizontal x 800 vertical pixels, CSV, brightness approximately 150nits, WXGA Video RAM · NVIDIA GeForce® Go 7300, up to 256MB VRAM (GDDR2) Universal Serial Bus (USB) The computer has four Universal Serial Bus (USB) ports that comply with the USB 2.0 standard, which enable data transfer speeds more than 40 times faster than USB 1.1 (which this computer also supports.) The USB drives may be used to transfer data at low, full, and high speeds. Bluetooth module Some computers in this series are equipped with Bluetooth functionality (Version 2.0 + EDR) with antenna. Bluetooth is a short-range wireless technology used to create PANs (Personal Area Networks) among your devices, as well as with other nearby devices such as cell phones and digital cameras. OS · · · Windows Vista Home Basic/ Home Premium (32/64 bit support) Windows Vista Business (32/64 support) Vista Premium Logo
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1.2 System Unit
1 Hardware Overview
1.2
System Unit
The system unit is composed of the following major components: Processor · · · · Intel® CoreTM 2 Duo Processor T7600/T7400/T7200/T5600/T5500/T5300/T5200 Intel® CoreTM Duo Processor T2450/T2350 Intel® Pentium® Dual Core Processor T2080/T2060 Intel® Celeron® M Processor 530/520
System Logic · · · Mobile Intel® 945PM with ICH7M Chipset Mobile Intel® 945PM with ICH7M Chipset Mobile Intel® 943GML with ICH7M Chipset
Memory · · · · Two DDR-II 533/667MHz SO-DIMM Supports Dual channel Up to 2GB with 256MB/512MB/1GB module for Intel 945PM/945GM/943GML Chipset Up to 4GB with 2GB module for Intel 945PM/945GM Chipset
Video RAM (Depending on the model you purchased) · nVIDIA GeForce® Go 7300, up to 256MB VRAM (GDDR2)
Audio subsystem · Realtek High Definition Audio Codec ALC861 - Microphone-in and headphone-out - Volume control: Digital control, rotary type, without mute function - Supports Microsoft Outlook Express audio
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1 Hardware Overview
1.3 2.5-inch Hard Disk Drive
1.3
2.5-inch Hard Disk Drive
The internal HDD is a random access non-volatile storage device. It has a non-removable 2.5-inch magnetic disk and mini-Winchester type magnetic heads. The computer supports up to 250G HDD. The HDD is shown in Figure 1-1. Specifications are listed in Table 1-1.
Figure 1-1
2.5-inch HDD
Items Formatted capacity (GB) Logical Blocks (LBA) Rotational speed (rpm) Toshiba HDD Buffer (MB) Hitachi HDD Buffer (MB) Fujitsu HDD Buffer (MB) Bytes per sector
40GB 37.26 78,140,160 5400 8 8 8 512 Table 1-1
60GB 55.89 117,210,240 5400 8 8 8 512
80GB 74.52 156,301,488 5400 8 8 8 512
100GB 93.15 195,371,568 5400 8 8 8 512
2.5-inch HDD specifications
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1.3 2.5-inch Hard Disk Drive
1 Hardware Overview
Items Formatted capacity (GB) Logical Blocks (LBA) Rotational speed (rpm) Toshiba HDD Buffer (MB) Hitachi HDD Buffer (MB) Fujitsu HDD Buffer (MB) Bytes per sector
120GB 111.8 234,441,648 5400 8 8 8 512
160GB 149.05 312,581,808 5400/4200 8 8 8 512
200GB 186.31 390,720,968 5400/4200 8 N/A 8 512
250GB 232.89 488,397,168 4200 N/A N/A 8 512
Table 1-1
2.5-inch HDD specifications (Continued)
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1 Hardware Overview
1.4 Optical Disc Device
1.4
Optical Disc Device
1.4.1 DVD-ROM & CD-RW The DVD-ROM and CD-RW drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs. At maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x speed and high speed CD-RW at 10x speed or Ultra speed CD-RW at 24X speed. The specifications of the DVD-ROM & CD-RW drive are listed in Table 1-2. Item Data transfer rate (Mbytes/s) Access time (ms) Average random access Data buffer size (Mbytes) DVD: DVD-VIDEO, DVD-ROM Formats supported CD: CD-DA, CD-ROM, CD-R, CD-RW, CD-ROMXA, PhotoCD (single/multi-session), CD-EXTRA, CD-Text DVD-ROM mode CD-ROM mode
33.3 (U-DMA transfer mode 2) 16.6 (PIO mode 4, Multiword DMA mode 2) 150 2MB 130
Table 1-2
DVD-ROM & CD-RW drive specifications
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1.4 Optical Disc Device
1 Hardware Overview
1.4.2 DVD Super Multi Double Layer The DVD Super Multi drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs. At maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x speed and CD-RW at 10x and DVD-R at 8x speed and DVD-RW at 4x speed and DVD+R at 8x speed and DVD+RW at 4x speed and DVD-RAM at 5x speed and DVD+R DL at 2.4x speed and DVD-R DL at 2x speed. The specifications of the DVD Super Multi Double Layer drive are listed in Table 1-3. Item DVD-ROM mode CD-ROM mode
Data transfer rate 33.3 (U-DMA transfer mode 2) (Mbytes/s) 16.6 (PIO mode 4, Multiword DMA mode 2) Access time (ms) 130 Average random access Data buffer size (Mbytes) DVD: 2MB
130
DVD-VIDEO, DVD-ROM, DVD-R, DVD-RW, DVD-RAM, DVD+R, DVD+RW, DVD+R DL, DVD-R DL Formats supported CD: CD-DA, CD-ROM, CD-R, CD-RW, CD-ROMXA, PhotoCD (single/multi-session), CD-EXTRA, CD-Text
Table 1-3
DVD Super Multi Double Layer drive specifications
Minnesota 10M/10MG Series Maintenance Manual
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1 Hardware Overview
1.5 Power Supply
1.5
Power Supply
This specification defines the performance and characteristics of the 65W, 75W, 90W, and 120W AC adapter power supply. It supplies a constant voltage 19V output source for the Minnesota 10M/10MG Series Personal Computer. A/D conversion · The EC uses 10-bit sampling for A/D conversion to determine the following values: Battery and temperature
AC adapter and battery check · · The EC checks the following by A/D converted values: Battery installed The EC checks the following by GPIO values: AC adapter connected
Abnormal check · The EC determines whether the condition is abnormal, and if so, stores an error code into the error register.
Input port management · The EC monitors the following input signal status: System power ON/OFF status Direct CD power ON/OFF status
Beep and LED control · · · · · Beep is caused by the low battery status. The EC controls the following two kinds of LED DC IN LED (one color: blue) Blue: indicates AC adapter is connected Battery LED (two colors: orange and blue) Blue solid: The battery is fully charged. Orange: The computer is quick-charging the battery / the battery is low.
Power ON/OFF sequence · When power is turned on or off, the EC starts the power on or off sequence. SQ0-4: power ON sequence SQ5-B: power OFF sequence
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1.5 Power Supply
1 Hardware Overview
Battery charging control · The EC controls the following. The quick charging ON/OFF The detection of full charge
Detection of the low battery · The EC detects the low battery point by the gas gauge. LB10M: The system will be driven by the battery for 12 more minutes. LB0: The battery won't be able to drive the system after 3 minutes. LB1: The battery can drive the system only during the suspend process. LB2: The battery cannot drive the system.
New battery installation · When a new battery is installed, the EC communicates with the E2PROM in the battery to read information of the newly installed battery.
Battery capacity calculation · The EC reads battery remaining and percentage capacity from the battery through SMBus.
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1 Hardware Overview
1.6 Batteries
1.6
Batteries
The computer has two types of battery: Main battery pack (18650 size) RTC battery The removable main battery pack is the computer's main power source when the AC adapter is not attached. The battery specifications are listed in the table below.
Battery name Main battery (3 cells) Main battery (6 cells) Main battery (9 cells) RTC battery (Maxell ML1220T10) RTC battery (Maxell ML1220HT10) RTC battery (Sanyo ML1220T28)
Material Lithium-Ion Lithium-Ion Lithium-Ion Lithium-Ion Lithium-Ion Lithium-Ion
Output voltage 10.8V 10.8V 10.8V 3.0V 3.0V 3.0V 3.0V
Capacity 2000mAH 4000mAH 6000mAH 14 mAH 18 mAH 15 mAH 17 mAh
RTC battery (Panasonic Lithium-Ion ML1220/B)
Table 1-4
Battery specifications
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1.6 Batteries
1 Hardware Overview
1.6.1 Main Battery Battery charging is controlled by a power supply microprocessor that is mounted on the system board. The power supply microprocessor controls whether the charge is on or off and detects a full charge when the AC adapter and battery are attached to the computer. The system charges the battery using quick charge or trickle charge. Quick Battery Charge When the AC adapter is attached, there are two types of quick charges: quick charge when the system is powered off and normal charge when the system is powered on. The times required for charges are listed in the table below.
Status Normal charge (power on) Quick charge (power off) Charging time 12 hours or longer About 4 hours
NOTES 1. The time required for normal charge is affected by the amount of power the system is consuming. Use of the fluorescent lamp and frequent disk access diverts power and lengthens the charge time. Using quick charge, the power supply microprocessor automatically stops the charge after eight hours regardless of the condition of the battery. Overcharging could cause the battery to explode. If any of the following occurs, the battery quick charge process stops. 1. The battery becomes fully charged. 2. The AC adapter or battery is removed. 3. The battery or output voltage is abnormal. 4. The battery temperature is abnormal. 5. The battery SMBus communication fails. 6. The battery cell is bad. Detection of full charge A full charge is detected from the battery pack through SMBus when the battery is charging.
2.
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1 Hardware Overview
1.6 Batteries
1.6.2 RTC battery The RTC battery provides power to keep the current date, time and other setup information in memory while the computer is turned off. The table below lists the charging time and data preservation period of the RTC battery. The RTC battery is charged by the adapter or main battery, while the computer is powered on.
Status Charging Time (power on) Data preservation period (full charge)
Time About 24 hours 1 month
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Chapter 2 Troubleshooting Procedures
2
2 Troubleshooting Procedures
Chapter 2
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19
Contents
Troubleshooting Introduction ........................................................................................3 Troubleshooting Flowchart............................................................................................4 Power Supply Troubleshooting......................................................................................9 Display Troubleshooting..............................................................................................14 Keyboard Troubleshooting ..........................................................................................17 External USB Devices Troubleshooting......................................................................19 TV-Out Failure Troubleshooting .................................................................................21 TouchPad Troubleshooting..........................................................................................23 Speaker Troubleshooting .............................................................................................25 Optical Drive Troubleshooting ....................................................................................27 Modem Troubleshooting..............................................................................................31 Express card Troubleshooting......................................................................................33 IEEE 1394 Troubleshooting ........................................................................................35 Wireless LAN Troubleshooting...................................................................................37 Camera Troubleshooting..............................................................................................39 Bluetooth Troubleshooting ..........................................................................................41 4 in 1 card Troubleshooting .........................................................................................43 1st HDD Troubleshooting.............................................................................................45 2nd HDD Troubleshooting............................................................................................48
Satellite A200/A205/Pro A200 Series Maintenance Manual 1
[CONFIDENTIAL]
2 Troubleshooting Procedures
Figures Figure 2-1 Figure 2-1 Figure 2-2 Figure 2-3 Figure 2-4 Figure 2-5 Figure 2-6 Figure 2-7 Figure 2-8 Figure 2-9 Figure 2-10 Figure 2-11 Figure 2-12 Figure 2-13 Figure 2-14 Figure 2-15 Figure 2-16 Figure 2-17 Figure 2-18 Troubleshooting flowchart (1/2) ....................................................................... 5 Troubleshooting flowchart (2/2) ....................................................................... 6 Power Supply Troubleshooting Process............................................................ 9 Display troubleshooting process ..................................................................... 14 Keyboard troubleshooting process .................................................................. 17 External USB device troubleshooting process ................................................ 19 TV-out troubleshooting process ...................................................................... 21 TouchPad troubleshooting process.................................................................. 23 Speaker troubleshooting process ..................................................................... 25 Optical drive troubleshooting process............................................................. 27 Modem troubleshooting process ..................................................................... 30 Express card troubleshooting process ............................................................. 32 IEEE 1394 troubleshooting process ................................................................ 34 Wireless LAN troubleshooting process........................................................... 36 Camera troubleshooting process ..................................................................... 38 Bluetooth troubleshooting process....................................................40 4 in 1 card troubleshooting process...................................................42 1st HDD troubleshooting process....................................................44 2nd HDD troubleshooting process....................................................45
Tables Table 2-1 Table 2-2 Battery LED ....................................................................................................... 10 DC-IN LED ........................................................................................................ 11
Satellite A200/A205/Pro A200 Series Maintenance Manual 2
[CONFIDENTIAL]
2 Troubleshooting Procedures
2.1
Troubleshooting Introduction
Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is causing the computer to malfunction. The FRUs covered are: 1. Display 2. USB Floppy Drive 3. Keyboard 4. USB ports 5. TV-out port 6. TouchPad 7. Speaker 8. Optical drive 9. Modem 10. EXPRESS CARD unit 11. IEEE 1394 port 12. Wireless LAN system 13. Camera 14. Bluetooth
The Diagnostics Disk operations are described in Chapter 3. Detailed replacement procedures are given in Chapter 4. The following tools are necessary for implementing the troubleshooting procedures: 1. Diagnostics Disk (Repair and Sound Repair) 2. Phillips screwdriver (2 mm) 3. 6mm nut driver (for the helix screw nuts on the rear ports for CPU door) 4. 2DD or 2HD formatted work disk for floppy disk drive testing 5. Sycard (EXPRESS CARD test card) 6. Cleaning kit for floppy disk drive troubleshooting 7. Cleaning kit for optical drive troubleshooting 8. Multimeter 9. External monitor 10. USB compatible keyboard 11. Multimedia sound system with line-in and line-out ports 12. Headphones 13. USB test module and USB cable 14. Music CD
Satellite A200/A205/Pro A200 Series Maintenance Manual
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2.2
Troubleshooting Flowchart
If you know the location of the malfunction, turn directly to the appropriate section of this chapter. If the problem is unspecified, use the flowchart in Figure 2-1 as a guide for determining which troubleshooting procedures to execute. Before performing any troubleshooting procedures, verify the following: Ask the user if a password is registered and, if it is, ask him or her to enter the password. Verify with the customer that Toshiba Windows Vista is installed on the hard disk. Operating systems that were not preinstalled by Toshiba can cause the computer to malfunction. Make sure all optional equipment is removed from the computer. Make sure the floppy disk drive, if installed, is empty. If no FDD module is installed, you should use an external FDD to run the diagnostics tests
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STA RT
C o n n e c t th e A C a d a p ter to th e D C -IN so c k e t
Is th e D C -IN L E D o n ?
Y es
No
P e rfo rm th e P o w e r S u p p ly T ro u b le sh o o tin g p ro c ed u re s in se ctio n 2 .3
Is th e B a ttery L E D o n ?
Y es
No
P e rfo rm th e P o w e r S u p p ly T ro u b le sh o o tin g p ro c ed u re s in se ctio n 2 .3
T u rn th e P o w e r sw itc h o n
Y es
Is th e P o w e r O n L E D o n ?
Y es
No
P e rfo rm th e P o w e r S u p p ly T ro u b le sh o o tin g p ro c ed u re s in se ctio n 2 .3
Is th e "T o sh ib a " lo g o m e ssa g e d isp la y?
No
P e rfo rm th e D isp la y T ro u b le sh o o tin g p ro c ed u re s in se ctio n 2 .4
Y es
If th e "p a ssw o rd " m e ssa g e d isp la ys, typ e th e p a ssw o rd , th e n p re ss E n te r.
Is T o sh ib a W in d o w s b e in g lo a d e d ?
Y es
No
P e rfo rm d ia g n o stic s p ro g ra m . R u n C M 1 6 5 .E X E a n d se le c t th e H A R D D IS K ite m .
A
Figure 2-1 Troubleshooting flowchart (1/2)
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A
Perform the Keyboard Troubleshooting procedures in section 2.6
Does typed characters appear correctly?
No
Yes
Insert the diagnostics disk into the FDD. Then run the diagnostics test program.
Yes
Is the diagnostics test loaded?
Yes
No
Perform the FDD Troubleshooting procedures in section 2.5
Allow each test to perform automatically
Is an error detected by any of the diagnostics tests?
Yes
After confirming which diagnostics test has detected an error, perform the appropriate procedure as outlined below.
No
System is normal
End
Figure 2-1 Troubleshooting flowchart (2/2)
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If the diagnostics program cannot detect an error, the problem may be intermittent. The test program should be executed several times to isolate the problem. When a problem has been located, perform the appropriate troubleshooting procedures as follows: 1. If an error is detected by the battery test, perform the Power Supply Troubleshooting procedures in Section 2.3. 2. If an error is detected by the display test, perform the Display Troubleshooting procedures in Section 2.4. 3. If an error is detected by the keyboard test, perform the Keyboard Troubleshooting procedures in Section 2.5. 4. If an error is detected by the TouchPad test, perform the TouchPad Troubleshooting procedures in Section 2.8. 5. If an error is detected by the audio test, perform the Speaker Troubleshooting procedures in Section 2.9 and the Optical Drive Troubleshooting Procedures in Section 2.10. 6. If an error is detected by the modem test, perform the Modem Troubleshooting Procedures in Section 2.11.
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Other problems that are not covered by the diagnostics program may be discovered by a user. 1. If an error is detected when using an external USB device, perform the External USB Devices Troubleshooting procedures in Section 2.6. 2. If an error is detected when using the TV-out connection, perform the TV-Out Failure Troubleshooting procedures in Section 2.7. 3. If an error is detected when using the speakers, perform the Speaker Troubleshooting procedures in Section 2.10. 4. If an error is detected when using the modem, perform the Modem Troubleshooting procedures in Section 2.11. 5. If an error is detected when using the EXPRESS CARD unit, perform the EXPRESS CARD Troubleshooting procedures in Section 2.12. 6. If an error is detected when using the IEEE1394 device, perform the IEEE1394 device Troubleshooting procedures in Section 2.13. 7. If an error is detected when using the Wireless LAN, perform the Wireless LAN Troubleshooting procedures in Section 2.14.
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2.3
Power Supply Troubleshooting
ST A R T
C heck P ower Supply Status (P rocedure 1)
A re the D C -IN and B attery LE D s lit?
No
R eplace adaptor / battery (P rocedure 2)
Y es
C heck power supply connections (P rocedure 3)
C an you turn the com puter on?
Y es
R un diagnostic program (P rocedure 4)
No
A re the internal power connections secure?
No
P erform internal connection check (P rocedure 5)
Y es
R eplace system board
END
Figure 2-2 Power Supply Troubleshooting Process
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The power supply controls many functions and components. To determine if the power supply is functioning properly, start with Procedure 1 and continue with the other Procedures as instructed. The flowchart in Figure 2-2 gives a summary of the process. The procedures described in this section are: Procedure 1: Power status check Procedure 2: Adaptor / battery replacement Procedure 3: Power supply connection check Procedure 4: Diagnostic check Procedure 5: Internal connection check
Procedure 1
Power Status Check
The following LEDS indicate the power supply status: Battery LED DC-IN LED The power supply controller displays the power supply status through the Battery and the DCIN LEDS as listed in the tables below. Table 2-1 Battery LED Battery State Charging LED colors Amber, solid on Blue, solid on Blue color off Discharging Amber, blinking Definition Battery charging with AC. Battery fully charged by AC Battery abnormal stop charging with AC (Bad cell/ Overheated)
Battery within low state: 12 minutes (LED on for 1 second remaining every 4 seconds) Battery within critical low state: 3 (LED on for 1 second minutes remaining. The system is protected and cannot be re-powered on every 2 seconds) without the AC power connected. Amber color off Battery not in low or critical low state; It's in discharging state Amber, blinking
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Table 2-2 DC-IN LED AC-IN LED Solid on Off Power supply status AC power exists (LED is solid Blue). No AC power exists.
To check the power supply status, install a battery pack and connect an AC adaptor to the DC-IN port on the computer and to a power supply. If the DC-IN LED or Battery LED is not lit, go to Procedure 2.
Procedure 2
Adaptor / battery replacement
A faulty adaptor may not supply power or may not charge the battery. Perform Check 1. Check 1 Check 2 Connect a new AC adaptor. If the problem is not resolved, go to Check 2. Insert a new battery. If the problem is still not resolved, go to Procedure 3.
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Procedure 3
Power supply connection check
The power supply wiring diagram is shown below:
AC adaptor cord AC power cord AC adaptor System board Battery
Any of the connectors may be disconnected. Perform Check 1. Check 1 Disconnect the AC power cord from wall outlet. Check the power cable for breaks. If the power cord is damaged, connect a new AC power cord. If there is no damage, go to Check 2. Make sure the AC adaptor cord and AC power cord are firmly plugged into the DC-IN socket, AC adaptor inlet and wall outlet. If these cables are connected correctly, go to Check 3. Make sure that the DC-IN input port socket is firmly secured to the system board of the computer. · If the DC-IN input socket is loose, go to Procedure 5. · If it is not loose, go to Check 4. Use a multi-meter to make sure that the AC adaptor output voltage is close to 19 V. If the output is several percent lower than 19 V, go to Check 5. If the output is close to 19 V, go to Check 6. Connect a new AC adaptor or AC power cord. · If the DC-IN LED does not light, go to Procedure 4. · If the battery LED does not light, go to Check 6. Make sure the battery pack is installed in the computer correctly. If the battery is properly installed and the battery LED still does not light, go to Procedure 4.
Check 2
Check 3
Check 4
Check 5
Check 6
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Procedure 4
Diagnostic check
The power supply may not charge the battery pack. Perform the following procedures: 1. Reinstall the battery pack. 2. Attach the AC adaptor and turn on the power. If you cannot turn on the power, go to Procedure 5. 3. Run the Diagnostic test following the procedures described in Chapter 3, Tests and Diagnostics. If no problem is detected, the battery is functioning normally. Procedure 5 Replacement check
The system board may be disconnected or damaged. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures. Check the connection between the AC adaptor and the system board. After checking the connection, perform Check 1: Check 1 Check 2 Check 3 Use a multi-meter to make sure that the fuses on the system board are not blown. If a fuse is not blown, go to Check 2. If a fuse is blown, go to Check 3. Make sure that the battery cable is firmly connected to the system board. If it is connected firmly, go to Check 3. The system board may be damaged. Replace it with a new one following the instructions in Chapter 4.
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2.4
Display Troubleshooting
START
P e r fo r m e x te r n a l d is p la y c h e c k (P ro c ed u re 1 )
D o e s th e e x te r n a l d is p la y fu n c tio n o k ?
No
P e r fo r m d ia g n o s tic c h e c k (P ro c ed u re 2 )
Y es
W a s a d is p la y p r o b le m d e te c te d ?
No
D is p la y is n o t fa u lty . C o n tin u e tr o u b le s h o o tin g r e fe r to F ig u r e 2 .1
Y es
P e r fo r m c o n n e c to r a n d r e p la c e m e n t c h e c k (P ro c ed u re 3 )
R e p la c e s y s te m b o a r d
END
Figure 2-3 Display troubleshooting process
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This section describes how to determine if the computer's display is functioning properly. The process is outlined in Figure 2-3. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: External display check Procedure 2: Diagnostic check Procedure 3: Connector and replacement check
Procedure 1
External display check
Connect an external display to the computer's external monitor port, and then boot the computer. The computer automatically detects the external display. If the external display works correctly, the internal LCD may be damaged. Go to Procedure 3. If the external monitor appears to have the same problem as the internal monitor, the system board may be damaged. Go to Procedure 2.
Procedure 2
Diagnostic check
The Display Test program is stored on the computer's Diagnostics disk. This program checks the display controller on the system board. Insert the Diagnostics disk in the computer's floppy disk drive, turn on the computer and run the test. Refer to Chapter 3, Tests and Diagnostics for details. If an error is detected, go to Procedure 3. If an error is not detected, the display is functioning properly.
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Procedure 3
Connector and replacement check
The FL inverter board, LCD module, and system board are connected to the display circuits. Any of these components may be damaged. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perform the following checks: Check 1 Make sure the DDR RAM module is seated properly. Test display again. If the problem still exits, replace the DDR RAM module. If the problem still exists, perform Check 2. Replace the FL inverter board with a new one and test display again. If the problem still exists, perform Check 3. Replace the LCD module with a new one and test display again. If the problem still exists, perform Check 4. Replace the LCD/FL cable with a new one and test display again. If the problem still exists, perform Check 5. Replace the CPU with another of the same specifications. If the problem still exists, perform Check 6. The system board may be damaged. Replace it with a new one.
Check 2 Check 3 Check 4 Check 5 Check 6
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2.5
Keyboard Troubleshooting
START
P e r fo r m e x te r n a l k e y b o a r d c h e c k (P ro c ed u re 1 )
D o e s th e e x te r n a l k e y b o a r d fu n c tio n o k ?
Y es
P e r fo r m d ia g n o s tic c h e c k (P ro c ed u re 2 )
No
W a s a ke yb o ard p r o b le m d e te c te d ?
No
K e y b o a r d is n o t fa u lty . C o n tin u e tr o u b le s h o o tin g r e fe r to F ig u r e 2 .1
Y es
P e r fo r m c o n n e c to r a n d r e p la c e m e n t c h e c k (P ro c ed u re 3 )
R e p la c e s y s te m b o a r d
END
Figure 2-4 Keyboard troubleshooting process
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To determine if the computer's keyboard is functioning properly, perform the following procedures. Figure 2-5 outlines the process. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: External keyboard check Procedure 2: Diagnostic check Procedure 3: Connector and replacement check Procedure 1 External keyboard check
Connect a USB keyboard to one of the computer's USB ports, and then boot the computer. The computer automatically detects the external keyboard. If the external keyboard works correctly, the internal keyboard or its connections may be faulty. Go to Procedure 2. If the external keyboard appears to have the same problem as the internal keyboard, the system board may be damaged. Replace it with a new one following the instructions in Chapter 4. Procedure 2 Diagnostic check
Run the Diagnostic Program, which will automatically execute the Keyboard Test. Refer to Chapter 3, Tests and Diagnostics for more information on how to run the program. If an error is located, go to Procedure 3. If an error does not occur, the keyboard is functioning properly. Procedure 3 Connector and replacement check
The keyboard and/or system board may be disconnected or damaged. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and perform the following checks. Check 1 Make sure the keyboard cable is firmly connected to the system board. If the connection is loose, reconnect firmly and repeat Procedure 2. If there is still an error, go to Check 2. Check 2 The keyboard may be damaged. Replace it with a new one following the instructions in Chapter 4. If the problem still exists, perform Check 3. Check 3 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4.
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2.6
External USB Devices Troubleshooting
START
P e r fo r m e x te r n a l d e v ic e a n d c o n n e c tio n c h e c k (P ro ce d u re 1 )
C h e ck U S B p o rt c o n n e c tio n
Y es
D o e s th e d e v ic e fu n c tio n w h e n c o n n e c te d to a d iffe r e n t U S B p o r t?
No
D o e s a n a lte r n a tiv e U S B d e v ic e fu n c tio n c o r r e c tly ?
Y es
O r ig in a l U S B d e v ic e is fa u lty
No
R e p la c e s y s te m b o a r d (P ro ce d u re 2 )
END
Figure 2-5 External USB device troubleshooting process
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To determine if the computer's external USB devices are functioning properly, perform the following procedures. Figure 2-6 outlines the process. Start with Procedure 1 and continue as instructed. Procedure 1: External device and connection check Procedure 2: Replace system board Procedure 1 External device and connection check
The USB device may be damaged or the connection may be faulty. Perform Check 1. Check 1 Check 2 Make sure USB device cable is firmly plugged into one of the USB sockets. If the cable is connected correctly, go to Check 2. Plug the USB device into another USB socket (there are three in all). If the USB device still does not work, go to Check 4. If the device functions correctly when connected to another USB port, go to Check 3. Check 3 Make sure that the USB socket is firmly secured to the system board of the computer. If the malfunction remains, the system board may be damaged. Go to Procedure 2. Connect an alternative USB device to one of the computer's USB ports, and then boot the computer. The computer automatically detects the external device. If the alternative USB device works correctly, the original device may be damaged and should be replaced. If the alternative USB device appears to have the same problem as the original device, the system board may be damaged. Go to Procedure 2. Procedure 2 Replace system board
Check 4
If the error persists, the system board may be damaged. Replace it with a new one following the instructions in Chapter 4.
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2.7
TV-Out Failure Troubleshooting
START
P e r fo r m T V c o n n e c tio n c h e c k (P ro ce d u re 1 )
D o e s r e p la c e m e n t T V c a b le fu n c tio n p r o p e r ly ?
No
R e p la c e T V c a b le
No
P e r fo r m T V s e t c h e c k (P ro ce d u re 2 )
T V fu n c tio n in g o k ?
No
U s e d iffe r e n t T V set
Y es
R e p la c e s y s te m b o a r d
END
Figure 2-6 TV-out troubleshooting process
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To determine if the computer's TV-out port is functioning properly, perform the following procedures. Figure 2-7 outlines the process. Start with Procedure 1 and continue as instructed. Procedure 1: TV connection check Procedure 2: TV set check Procedure 1 TV connection check
The TV cable may be damaged or the connections may be loose. Perform Check 1: Check 1 Check 2 Check 3 Make sure TV cable is firmly plugged into both the TV set and the TV-out port of the computer. If the cable is connected correctly, go to Check 2. Make sure the TV-out port is firmly secured to the system board of the computer. If the malfunction remains, go to Check 3. The TV cable may be damaged. Replace with a good cable. If the malfunction remains, go to Procedure 2. TV set check
Procedure 2
The TV set may be faulty. Perform Check 1: Check 1 Check 2 Try using the set for television reception. If it does not work, the set may be damaged. If the set does work, perform Check 2. Try connecting a different television to the computer. If the replacement television works, the original set may be damaged. If the replacement set does not work the system board may be damaged. Replace it with a new one following the instructions in Chapter 4.
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2.8
TouchPad Troubleshooting
START
TouchPad connection check (Procedure 1)
TouchPad replacement check (Procedure 2)
Replace system board
END
Figure 2-7 Touchpad troubleshooting process
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To determine if the computer's built-in TouchPad is functioning properly, perform the following procedures. Figure 2-9 outlines the process. Start with Procedure 1 and continue as instructed. Procedure 1: TouchPad connection check Procedure 2: TouchPad replacement check Procedure 1 TouchPad connection check
The TouchPad is connected via the TouchPad FPC to the system board. Make sure the TouchPad FPC cable is firmly connected to the TouchPad and system board. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perform the following checks. If any of the connections are loose, reconnect firmly. If any of the connections is damaged, or there is still an error, go to Procedure 2. Procedure 2 TouchPad replacement check
The TouchPad unit or FPC may be defective or damaged. Replace each with a new one following the steps in Chapter 4. If the FDD is still not functioning properly, replace the system board with a new one following the steps in Chapter 4.
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2.9
Speaker Troubleshooting
START
Perform audio source test (Procedure 1)
Do all sources have same problem?
No
Speakers are not faulty. Continue troubleshooting see Figure 2-1
Yes
Perform earphone test (Procedure 2)
Do earphones function correctly?
Yes
No
Perform connection check (Procedure 3)
Perform replacement check (Procedure 4)
Replace system board
END
Figure 2-8 Speaker troubleshooting process
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To determine if the computer's built-in speakers are functioning properly, perform the following procedures. Figure 2-10 outlines the process. First adjust the speaker volume to an appropriate level. Start with Procedure 1 and continue as instructed. Procedure 1: Audio source test Procedure 2: Earphone test Procedure 3: Connection check Procedure 4: Replacement check Procedure 1 Audio source test
Try different audio sources (e.g. an audio CD and digital music file) to determine whether the fault is in the speaker system or not. If not all sources have sound problem, the problem is in the source devices. If all have the same problem, continue with Procedure 2. Procedure 2 Earphone test
Connect a set if earphones or external speakers. If these function correctly, go to Procedure 3. If they do not function correctly, the system board may be defective or damaged. Replace it with a new one. Procedure 3 Connection check
Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and make sure the speaker cable is firmly connected to the audio board. If the stereo speakers are still not functioning properly, go to Procedure 4. Procedure 4 Replacement check
If the stereo speakers don't sound properly, the stereo speakers may be defective or damaged. Replace them with new ones. If the stereo speakers still do not work properly, try replacing in turn the audio board and system board.
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2.10 Optical Drive Troubleshooting
START
Perform audio CD check (Procedure 1)
Audio CD functions ok?
No
Perform drivecleaning check (Procedure 2)
Yes
Perform software check (Procedure 3)
Perform diagnostic test (Procedure 4)
Perform connection and replacement check (Procedure 5)
Replace system board
END
Figure 2-9 Optical drive troubleshooting process
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This section describes how to determine if the computer's internal optical drive is functioning properly. The Satellite A200/Satellite A205/Satellite Pro A200/EQUIUM A200/SATEGO A200 module bays can accommodate the following optical drives: DVD SuperMulti supporting +-R Double Rayer COMBO device Figure 2-11 outlines the process. Perform the steps below starting with Procedure 1 and continue with the other procedures as required.
Procedure 1: Audio CD test Procedure 2: Drive cleaning check Procedure 3: Software check Procedure 4: Diagnostic test Procedure 5: Connection and replacement check Procedure 1 Audio CD check
First, insert an audio CD into the CD/DVD drive. If it works, the problem is not with the drive. Go to Procedure 3. If the audio CD does not work, go to Procedure 2. If the CD/DVD LED on the front panel does not light when the disc is played and the drive gives no response, go straight to Procedure 3. Procedure 2 Drive cleaning check
Insert a CD/DVD drive-cleaning disk into the drive clean according to the drive-cleaning product instructions. If the problem persists, go to Procedure 3. Procedure 3 Software check
Ensure that the appropriate driver has been installed on the computer for the CD/DVD drive. Procedure 4 Diagnostic test
The audio test program stored in the Diagnostics Disk will test the drive's ability to play an audio CD. See Chapter 3 for details. If any errors occur while executing the diagnostic program, go to Procedure 5.
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Procedure 5
Connection check and replacement check
The optical drive connects to the system board. The drive may be disconnected, or the drive or system board may be damaged. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Check 2
Make sure the drive is firmly connected to the system board. If the connection is good and there is still an error, go to Check 2. The drive or drive cable may be defective or damaged. Replace each with a new one following the steps in Chapter 4, Replacement Procedures. If the drive is still not functioning properly, perform Check 3. The system board may be damaged. Replace it with new one following the instructions in Chapter 4, Replacement Procedures.
Check 3
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2.11 Modem Troubleshooting
START
Perform telephone line connection check (Procedure 1)
Computer unable to detect telephone signal?
Yes
Check / replace telephone line and connections
No
Perform connection check (Procedure 2)
Perform replacement check (Procedure 3)
Replace system board
END
Figure 2-10 Modem troubleshooting process
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This section describes how to determine if the computer's modem is functioning properly. Figure 2-12 outlines the process. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required.
Procedure 1: Telephone line connection check Procedure 2: Modem card connection check Procedure 3: Mod