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[CONFIDENTIAL]
Satellite M50 Series Maintenance Manual
Contents
Main
Toshiba Personal Computer Satellite M50 Maintenance Manual
TOSHIBA CORPORATION
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Preface
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Table of Contents
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Chapter 1 Contents
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1.1 Features
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1.2 System Unit
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1.3 2.5-inch Hard Disk Drive
1.4 Optical device Drives
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1.5 Power Supply
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1.6 Batteries
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Chapter 2 Troubleshooting Procedures
Chapter 2 Contents
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2.1 Troubleshooting Introduction
2.2 Troubleshooting Flowchart
2 Troubleshooting Procedures
A
Figure 2-1 Troubleshooting flowchart (1/2)
2-3
2 Troubleshooting Procedures
A
Figure 2-1 Troubleshooting flowchart (2/2)
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2 Troubleshooting Procedures
2-7
2.3 Power Supply Troubleshooting
Figure 2-2 Power Supply Troubleshooting Process
END
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AC adaptor System board Battery
AC adaptor cord AC power cord
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2 Troubleshooting Procedures
2-12
Satellite M50 Series Maintenance Manual
2.4 Display Troubleshooting
Figure 2-3 Display troubleshooting process
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2 Troubleshooting Procedures
2-15
2.5 Keyboard Troubleshooting
Figure 2-4 Keyboard troubleshooting process
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2 Troubleshooting Procedures
2-17
2.6 External USB Devices Troubleshooting
Figure 2-5 External USB device troubleshooting process
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2 Troubleshooting Procedures
2-19
2.7 TV-Out Failure Troubleshooting
Figure 2-6 TV-out troubleshooting process
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2.8 TouchPad Troubleshooting
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2 Troubleshooting Procedures
2-23
2.9 Speaker Troubleshooting
Figure 2-9 Speaker troubleshooting process
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2 Troubleshooting Procedures
2.10 optical Drive Troubleshooting
2-27
Figure 2-10 Optical drive troubleshooting process
Satellite M50 Series Maintenance Manual
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2 Troubleshooting Procedures
2.11 modem Troubleshooting
Satellite M50 Series Maintenance Manual
Figure 2-11 Modem troubleshooting process
2-30
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2 Troubleshooting Procedures
2.12 PCMCIA Troubleshooting
Satellite M50 Series Maintenance Manual
Figure 2-12 PCMCIA troubleshooting process
2-32
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2 Troubleshooting Procedures
2.13 IEEE 1394 Troubleshooting
Figure 2-13 IEEE 1394 troubleshooting process
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2.14 Wireless LAN Troubleshooting
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Chapter 3 Contents
3.1 The Diagnostic Test
3.2 Executing the Diagnostic Test
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3.3 Config Check Test
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3.4 DMI Check Test
3.5 Speaker Audio Test
3.6 Fan ON/OFF Test
3.7 Main Battery Charge Test
3.8 FDD Test
3.9 CD-ROM Test
3.10 Keyboard Test
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3.11 Mouse (Pad) Test
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3.12 LCD Pixels Mode Test
3.13 Magnetic Switch Test
3.14 HDD R/W Test
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3.15 LAN Test
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3.16 RTC Test
3.17 Read 1394 GUID
3.18 CD Control Button Test
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3.19 Speaker EQ Type Check&Re-Write
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Chapter 4 Contents
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4.1 General
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4.2 Battery
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4.3 PC Card
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4.4 HDD
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4.5 Expansion Memory
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4.6 Optical Drive Module
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4.7 Optical Drive
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4.8 Keyboard
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4.9 Bluetooth module
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4.10 Wireless LAN Unit
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4.11 Modem
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4.12 Display Assembly
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4.13 Top Cover
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4.14 Touch Pad
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4.15 Direct Play Button Module
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4.16 Memory
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4.17 System Board
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4.18 Fan & CPU
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4.19 USB Module
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4.20 VGA Module
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4.21 Display Mask
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4.22 Speakers
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4.23 FL Inverter Board
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4.24 LCD Module
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Appendix A Handling the LCD Module
Precautions for handling the LCD module
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Table B-1 System board ICs (top and bottom)
Table B-2 System board connectors (top and bottom)
Appendix C Pin Assignments
System Board C.1 JP1
Table C-1 Docking modem Connector pin assignments (4-pin)
C.2 JP2
C.4 JP4
Table C-4 LVDS I/F pin assignments (30-pin)
C.5 JP5
Table C-5 LAN (CRT/B) pin assignments (16-pin)
C.6 JP6
Table C-6 Speaker connector pin assignments (4-pin)
C.7 JP7, JP20
Table C-7 SODIMM I/F pin assignments (200-pin) (1/4)
Table C-7 SODIMM I/F pin assignments (200-pin) (2/4)
Table C-7 SODIMM I/F pin assignments (200-pin) (3/4)
C.8 JP8
Table C-8 Switch board connector pin assignments (12-pin)
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C.9 JP9
Table C-9 Bluetooth I/F pin assignments (12-pin)
C.10 JP10
Table C-10 T/P connector pin assignments (12-pin)
C.11 JP11
Table C-10 K/B connector pin assignments (38-pin)
C.12 JP12
Table C-11 PCMCIA I/F pin assignments (68-pin) (2/1)
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C.13 JP13
C.14 JP14
C.15 JP15
C.16 JP16
C.17 JP17
C.18 JP18
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C.19 JP19
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C.20 JP21
C.21 JP22
C.22 JP24
C.23 JP25
Table C-23 ODD I/F pin assignments (52-pin)
C.24 JP26
Table C-24 MDC Connector pin assignments (30-pin)
C.25 JP27
Table C-27 5-IN-1 Card readerI/F pin assignments (40-pin)
C.26 JP28
C.27 JP29
Table C-27 HDD I/F pin assignments (44-pin)
C.28 JP30
Table C-28 Mini PCI I/F pin assignments (124-pin) (1/2)
Table C-7 Mini PCI I/F pin assignments (124-pin)(2/2)
C.29 PJP1
Table C29 AC Adaptor Connector pin assignments (6-pin)
C.30 PJP2
Table C-30 BATT Connector pin assignments (7-pin)
Appendix D Keyboard Scan/Character Codes
Table D-1 s (set 1 and
Scan code set 2) (1/4)
Table D-1 s (set 1 and
Scan code set 2) (2/4)
Table D es (set 1 and s
-1 Scan cod et 2) (3/4)
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Ta an codes in Numlock mod
ble D-3 Sc e
Table D-4 Scan codes with Fn key
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Appendix E Key Layout
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E.10 France (FR) Keyboard
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Appendix F Series Screw Torque List
Table F-1 Serie ew
s Scr Torque List
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Appendix G Reliability
