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Toshiba
Laptop
Satellite L800
Maintenance Manual
Page 81
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Troubleshooting Procedures
Satel
lite
C800
and Satellite L8
00
Maintenance Manual
(960-
Q0
8)
34
If any connector is disconnected, connect it firmly
and return to Procedure 1. If
the
problem still occurs, perform Check 2.
80
82
Table of Contents
Main Page
Table of Contents
6
Chapter 1 Hardware Overview
13
Default Chapter
16
Features
16
Figure 1-1 Front of the Computer
19
Figure 1-2 System Block Diagram for Intel Platform
20
System Block Diagram
20
Figure 1-3 2.5-Inch HDD
24
Inch Hard Disk Drive
24
Table 1-1 2.5-Inch HDD Dimensions
24
Table 1-2 2.5-Inch HDD Dimensions
25
Table 1-3 2.5-Inch HDD Specifications
26
Table 1-3 2.5-Inch HDD Specifications
27
Figure 1-4 DVD Super Muti Drive
28
Optical Drive
28
Table 1-4 DVD Super Multi Drive Outline Dimensions
29
Table 1-4 DVD Super Multi Drive Outline Dimensions
30
Table 1-5 PCC DVD Super Multi Drive Specifications
31
Table 1-6 HLDS DVD Super Multi Drive Specifications
32
Table 1-7 TSST DVD Super Multi Drive Specifications
33
Table 1-8 HLDS Slim Blu-Ray ODD Specifications
34
Table 1-8 HLDS Slim Blu-Ray ODD Specifications
35
Figure 1-5 Keyboard for US Style
36
Figure 1-6 Keyboard for UK Style
36
Keyboard
36
Figure 1-7 Keyboard for JAPAN Style
37
Figure 1-8 CHIMEI LCD Module
38
TFT Color Display
38
Table 1-10 LED Module Specifications
39
Power Rails
40
Power Supply
40
Table 1-11 Power Supply Output Rating
40
Table 1-9 LED Module Specifications
39
Batteries
41
Main Battery
41
Table 1-12 Battery Specifications
41
Battery Charging Control
42
Table 1-13 Time Required for Charges of Main Battery
42
Table 1-14 Data Preservation Time
42
RTC Battery
43
Table 1-15 Time Required for Charges of RTC Battery
43
AC Adapter
44
Table 1-16 AC Adapter Specifications
44
Chapter 2 Troubleshooting Procedures
45
Chapter 2 Troubleshooting Procedures
46
Default Chapter
48
Troubleshooting
48
Procedure
49
Troubleshooting Flowchart
50
Procedure
52
Power Supply Troubleshooting
54
Procedure 1 Power Status Check
54
Procedure 2 Connection Check
54
Procedure 3 Charging Check
54
Procedure 4 Replacement Check
54
Battery Pack
55
Procedure 2 Connection Check
56
Procedure 3 Charging Check
56
Procedure 4 Replacement Check
58
System Board Troubleshooting
59
Procedure 1 Message Check
59
Procedure 1 Message Check
60
Procedure 2
61
Procedure 3 Replacement Check
61
Replacement Check
61
USB FDD Troubleshooting
62
Procedure 1
62
Procedure 1 FDD Head Cleaning Check
62
Procedure 2 Diagnostic Test Program Execution Check
62
Diagnostic Test Program Execution Check
63
Connector Check and Replacement Check
64
Procedure 3 Connector Check and Replacement Check
64
HDD Troubleshooting
66
Procedure 1 Partition Check
66
Procedure 2 Message Check
66
Procedure 3 Format Check
66
Procedure 4 Diagnostic Test Program Execution Check
66
Procedure 5 Connector Check and Replacement Check
66
Procedure 5 Connector Check and Replacement Check
71
Keyboard Troubleshooting
71
Procedure 1
71
Procedure 1 Diagnostic Test Program Execution Check
71
Procedure 2 Connector Check and Replacement Check
72
Touch Pad Troubleshooting
73
Procedure 1
73
Procedure 1 Diagnostic Test Program Execution Check
73
Procedure 2 Connector Check and Replacement Check
74
Display Troubleshooting
75
Procedure 1 External Monitor Check
75
Procedure 2 Diagnostic Test Program Execution Check
75
Procedure 3 Connector and Cable Check
75
Procedure 3 Connector and Cable Check
76
Procedure 4 Replacement Check
77
Optical Disk Drive Troubleshooting
78
Procedure 1 Diagnostic Test Program Execution Check
78
Procedure 2 Connector Check and Replacement Check
78
Modem Troubleshooting
80
Procedure 1 Diagnostic Test Program Execution Check
80
Procedure 2 Connector Check and Replacement Check
80
LAN Troubleshooting
83
Procedure 1 Diagnostic Test Program Execution Check
83
Procedure 2 Connector Check and Replacement Check
83
Wireless LAN Troubleshooting
84
Procedure 1 Transmitting-Receiving Check
84
Antennas' Connection Check
85
Procedure 2
85
Procedure 3 Replacement Check
86
Sound Troubleshooting
87
Procedure 1 Connector Check
87
Procedure 2 Replacement Check
87
Bluetooth Troubleshooting
89
Procedure 1
89
Chapter 3 Diagnostic Programs
90
Tests and Diagnostics Software Overview
91
Executing the Diagnostic Test
91
Subtest Names
91
Memory Test
91
Chapter 3 Diagnostic Programs
93
Default Chapter
94
Cache Memory Test
94
Tests and Diagnostics Software Overview
94
Display Test
94
Floppy Disk Test
94
Hard Disk Test
94
Keyboard Test
94
Memory Test
94
Real Time Clock Test
94
System Test
94
Executing the Diagnostic Test
95
Multimedia Test
96
MEMORY2 Test
97
Subtest Names
99
High Resolution Display Test
100
Multimedia Test
101
System Test
102
Memory Test
104
Keyboard Test
108
Display Test
110
Floppy Disk Test
125
Hard Disk Test
127
Real Time Clock Test
130
Cache Memory Test
132
High Resolution Display Test
134
Multimedia Test
140
MEMORY2 Test
141
Error Codes and Error Status Names
143
Running Test
145
DMI Infoemation
146
1Check DMI Information
146
2Write DMI Information
146
Check DMI Information
146
Write DMI Information
146
Log Utilities
149
1Operations
149
Operations
149
System Configuration
151
Option
152
1Function Description
152
2Operation Description
152
Common Tests and Operation
154
1How to Operate a Window
154
2How to Stop the Test Program
154
3Test Status Screen
154
4Test Stop Display
156
Chapter 4 Replacement Procedures
157
Overview
157
Safety Precautions
158
Before You Begin
159
Disassembly Procedure
160
Assembly Procedure
161
Screw Tightening Torque
162
Screw Notation
163
Battery Pack
164
Optical Disk Drive
169
Memory Module
171
Keyboard
173
Wireless LAN Card
176
Display Assembly
179
Top Cover Assembly
183
Touch Pad
186
System Board
190
LCD Unit
196
Web Camera Module
200
Speaker Box
201
Use Thermal Pad and Grease on CPU, North Bridge, and VGA Board
203
Appendix A Handling the LCD Module
205
Appendix B Board Layout
210
Appendix C Pin Assignments
222
Appendix F Wiring Diagrams
246
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