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PROL450D
B.2 System Board Bottom View
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227 pages, 7.87 Mb
B.2
System Board Bottom V
iew
Figure B-2 System Board Layout (Bottom)
B-2
[CONFIDENTIAL]
Low Cost Los Angeles 10AL+ Maintenance Manual
Contents
Main
Toshiba Personal Computer Satellite 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 Hardware Overview Error! Style not defined. Error! Style not defined.
File Name : LA-5821P
Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual 1-6
SATA port 1
TPA6017
Error! Style not defined. Error! Style not defined. 1 Hardware Overview
Model Name : NBWAE
Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual 1-7
RS780MN
File Name : LA-5831P
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1.2 2.5-inch HDD
1.3 DVD Super Multi (+-R Double Layer)
1.4 Power Supply
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1.5 Batteries
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Chapter 2 Contents
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2.1 Troubleshooting Introduction
2.2 Troubleshooting Flowchart
2 Troubleshooting Procedures
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Figure 2-1 Troubleshooting flowchart (1/2)
2 Troubleshooting Procedures
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Figure 2-1 Troubleshooting flowchart (2/2)
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2.3 Power Supply Troubleshooting
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AC adaptor System board Battery
A C adaptor cord AC power cord
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2.4 Display Troubleshooting
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2.5 Keyboard Troubleshooting
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2.6 External USB Devices Troubleshooting
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2.7 Touchpad Troubleshooting
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2.8 Speaker Troubleshooting
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2.9 Optical drive troubleshooting
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2.10 Modem Troubleshooting
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2.11 Wireless LAN Troubleshooting
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2.12 Camera Troubleshooting
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2.13 3 in 1 card Troubleshooting
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2.14 HDD Troubleshooting
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2.15 CRT Troubleshooting
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2.16 HDMI Troubleshooting
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2.18 Thermal Module troubleshooting
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2.19 LAN troubleshooting
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3.1 The Diagnostic Test
3.2 Executing the Diagnostic Test
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3.3 Display Configuration
3.4 Beep sound test
3.5 Fan ON/OFF Test
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3.6 Main Battery Charge Test
3. 7 FDD Test
3.8 Memory check
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3. 9 Keyboard Test
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3.10 Mouse (Pad) Test
3.11 LCD Pixels Mode Test
3.12 Magnetic Switch Test
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3.13 LAN Test
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3.14 RTC Test
3.15 Read 1394 GUID
3.16 Speaker EQ(Equalizer Quality factor) Type Check&Re-Write
3.17 Sensor Button Test
3.18 Front Edge Logo check
Notice: Check logo LED on/off function.
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3.19 1st HDD Test
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3.19 2nd HDD Test
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3.21 Read DMI
3.22 Write DMI
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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 HDD
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4.4 Memory
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4.5 WLAN Card
4.6 Modem Card (BTO)
4.7 ODD
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4.8 Keyboard Cover and Keyboard
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4.9 Logic Upper Assembly
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4.10 Power Board
4.11 Speakers
4.12 Touch Pad Bracket
4.13 Thermal Fan
4.14 Motherboard
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4.15 CPU and Thermal Module
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4.16 Display Assembly
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4.17 LCD Bezel Assembly
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4.18 LCD Module and Inverter Board
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4.19 Camera (BTO)
4.20 Hinge Saddle
4.21 USB Board
4.22 RJ11 Jack
Appendix A Handling the LCD Module
Precautions for handling the LCD module
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Appendix B Board Layout
B.1 System Board Top View
B.2 System Board Bottom View
Table B-1 System Board ICs (top and bottom)
Table B-2 System Board Connectors (top and bottom)
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Appendix C Pin Assignments
System Board C.1 JFAN
Table C-1 FAN I/F pin assignments (3-pin)
C.2 JLVDS
C.3 JCRT
Table C-3 CRT pin assignments (15-pin)
C.4 JHDMI
Table C-4 HDMI I/F pin assignments (19-pin)
C.6 JODD
Table C-6 SATA ODD I/F pin assignments (14-pin)
C.7 JCAM
Table C-7 Internal Camera Connector pin assignments (5-pin)
C.8 JWLAN
Table C-8 WLAN Connector pin assignments (52-pin)
C.9 JLAN
Table C-9 LAN Connector pin assignments (14-pin)
C.10 JDDRL, JPDDRH
Table C-10 SODIMM I/F pin assignments (200-PIN) (1/4)
Table C-10 SODIMM I/F pin assignments (200-PIN) (3/4)
Table C-10 SODIMM I/F pin assignments (200-PIN) (4/4)
C.11 JMIC
C.12 JLINE
Table C-12 HEADPHONE Connector pin assignments (10-pin)
C.13 JKB
Table C-13 Keyboard Connector pin assignments (34-pin)
C.14 JUSBB
C.15 JCS
C.16 JPOWER
C.17 JREAD
C.18 JEXMIC
C.19 JSPKL
C.20 JSPKR
C.21 JT OUCH
C.22 JMDC
Appendix D Keyboard Scan/Character Codes
Table D-1 Scan codes (set 1 and set 2) (1/4)
Table D-1 Scan codes (set 1 and set 2) (2/4)
Table D-1 Scan codes (set 1 and set 2) (3/4)
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Table D-3 Scan codes in Numlock mode
Table D-4 Scan codes with Fn key
Table D-5 Scan codes in overlay mode
Table D-6 No.124 key scan code
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Low Cost Los Angeles L450/L450D Maintenance Manual
F-1
Appendix F Series Screw Torque List (KTKAA)
Table F-1 Series Screw Torque List
SCREW P/N SCREW SPEC Q'ty LOCATION SCREW TORQUE
F-2
Low Cost Los Angeles L450/L450D Maintenance Manual
Appendix G Reliability
