Toshiba Satellite L850 Manuals

Manuals and User Guides for Toshiba Satellite L850. We have 6 Toshiba Satellite L850 manuals available for free PDF download: Maintenance Manual, User Manual

Toshiba Satellite L850 Maintenance Manual (222 pages)

Brand: Toshiba | Category: Laptop | Size: 11 MB

Table of Contents
6
Chapter 1 Hardware Overview
13
Features
16
Features
17
Figure 1-1 ID Parts Description Placement
20
Figure 1-2 Computer Block Diagram
21
Figure 1-3 System Board Configurations
22
System Unit Components
23
Figure 1-4 System Unit Block Diagram
23
Inch HDD
28
Figure 1-5 SATA HDD
28
Table 1-1 HDD Specifications
28
DVD Super Multi (+-R Double Layer)
29
Figure 1-6 DVD Super Multi Drive
29
Table 1-2 DVD Super Multi Drive Specifications
29
Blu-Ray Writer
30
Figure 1-7 Blu-Ray Writer Drive
30
Table 1-3 Blu-Ray Writer Drive Specifications
30
Blu-Ray Writer (BDXL)
31
Figure 1-8 Blu-Ray Writer (BDXL) Drive
31
Table 1-4 Blu-Ray Writer (BDXL) Drive Specifications
31
Blu-Ray COMBO
32
Figure 1-9 Blu-Ray Combo Drive
32
Table 1-5 Blu-Ray Combo Drive Specifications
32
Power Supply
33
Batteries
34
Main Battery
34
Battery Charging Control
34
Table 1-6 Battery Specifications
34
Table 1-7 Quick/Normal Charging Time
34
One Time RTC Battery
35
Chapter 2 Troubleshooting
36
Outline
42
Basic Flowchart
43
Power Supply
47
Procedure 1 Power Icon Check
47
Procedure 2 Connection Check
49
Procedure 3 Replacement Check
49
System Board
50
Procedure 1 Message Check
50
Procedure 2 Test Program Check
51
Procedure 3 Replacement Check
51
Hdd
52
Procedure 1 Message Check
52
Procedure 2 Partition Check
52
Procedure 3 Format Check
52
Procedure 4 Test Program Check
52
Procedure 5 Connector Check and Replacement Check
52
Procedure 3 Format Check
53
Procedure 4 Test Program Check
54
Procedure 5 Connector Check and Replacement Check
55
Keyboard
56
Procedure 1 Test Program Check
56
Procedure 2 Connector Check and Replacement Check
56
Display
57
Procedure 1 External Monitor Check
57
Procedure 2 Test Program Check
57
Procedure 3 Connector Check and Replacement Check
57
ODD (Optical Disk Drive)
59
Procedure 1 ODD Cleaning Check
59
Procedure 2 Test Program Check
59
Procedure 3 Connector Check and Replacement Check
59
Lan
61
Procedure 1 Test Program Check
61
Procedure 2 Connector Check and Replacement Check
61
Audio Test
62
Procedure 1 Test Program Check
62
Procedure 2 Connector Check and Replacement Check
62
Cooling Module
63
Procedure 1 Test Program Check
63
Procedure 2 Connector Check and Replacement Check
63
Touchpad
64
Procedure 1 Test Program Check
64
Procedure 2 Connector Check and Replacement Check
64
Memory
65
Procedure 1 Test Program Check
65
Procedure 2 Connector Check and Replacement Check
65
USB Port
66
Procedure 1 Windows Application Test
66
Procedure 2 Connector Check and Replacement Check
66
Headphone Port
67
Procedure 1 Windows Application Test
67
Procedure 2 Connector Check and Replacement Check
67
Microphone Port
68
Procedure 1 Windows Application Test
68
Procedure 2 Connector Check and Replacement Check
68
Video RGB Port
69
Procedure 1 Windows Application Test
69
Procedure 2 Connector Check and Replacement Check
69
Card Reader
70
Procedure 1 Windows Application Test
70
Procedure 2 Connector Check and Replacement Check
70
Camera
71
Procedure 1 Windows Application Test
71
Procedure 2 Connector Check and Replacement Check
71
Wireless LAN
72
Procedure 1 Windows Application Test
72
Procedure 2 Connector Check and Replacement Check
72
Battery Pack
73
Procedure 1 Windows Application Test
73
Procedure 2 Connector Check and Replacement Check
73
HDMI Port
74
Procedure 1 Windows Application Test
74
Procedure 2 Connector Check and Replacement Check
74
Chapter 3 Diagnostic Programs
75
General
79
Quick Start
81
Quick Test
81
Customization Test
81
Keyboard Layout Test
85
Audio Play Test
86
Audio Record Test
87
DMI Read
87
DMI Write
88
System Information
89
View Logs
91
Exit to Free DOS
91
The Diagnostics Screen Explanation
91
Options
95
Overview
95
Batch Parameters Configuration
96
Item's Parameters Configuration
98
Load Batch Parameters
99
Save Batch Parameters
100
LOG Parameters Setting
101
Specify LOG Viewer
102
Display LOG File
102
LOG Viewer
103
LOG File Sample
104
Subtests
106
System Test
109
Memory Test
114
Storage
119
Video
123
Communication (COMM)
132
Peripheral
133
Error Codes and Description
136
Quick Test Item List
141
Chapter 4 Replacement Procedures
142
Chapter 4 Contents
144
General
144
Safety Precautions
144
Before You Begin
144
Disassembly Procedures
144
Assembly Procedures
144
Tools and Equipment
144
Screw Tightening Torque
144
Colors of Screw Shanks
144
Symbols of Screws on the Computer Body
154
Symbol Examples
154
Battery Pack
155
Removing the Battery Pack
155
Installing the Battery Pack
156
Bridge Media
157
Removing the Bridge Media
157
Hdd
158
Removing the HDD
158
Installing the HDD
160
Memory Module and RTC Battery
161
Removing the Memory Module and RTC Battery
161
Installing the Memory Module and RTC Battery
162
ODD Bay Module
163
Removing the ODD Bay Module
163
Installing the ODD Bay Module
164
Disassembling the ODD Drive
165
Assembling the ODD Drive
165
Keyboard
166
Removing Keyboard
166
Installing the Keyboard
167
Wireless LAN Card
168
Removing the Wireless LAN Card
168
Installing the Wireless LAN Card
170
CPU Cooling Module and Fan
171
Remove the CPU Cooling Module and Fan
171
Installing the CPU Cooling Module and Fan
173
Cpu
174
Removing the CPU
174
System Board
177
Removing the System Board
177
Installing the System Board
178
Display Assembly
179
Removing the Display Assembly
179
Installing the Display Assembly
180
Speakers
181
Removing the Speakers
181
Installing the Speakers
182
Display Mask
183
Removing the Display Mask
183
Installing the Display Mask
183
LED Module
184
Removing the LED Module
184
Installing the LED Module
186
CCD Module
187
Removing the CCD Module
187
Touchpad Board and Touchpad Bracket
189
Removing the Touchpad Board and Touchpad Bracket
189
Install the Touchpad Board and Touchpad Bracket
190
Precautions for Handling the LCD Module
193
Appendix B Board Layout
198
System Board Front View
198
System Board Back View
199
Appendix C Keyboard Scan/Character Codes
200
Appendix D Key Layout
208
United States (US) Keyboard
208
Taiwan (TW) Keyboard
208
Russian (RU) Keyboard
209
Korean (KR) Keyboard
210
Czech (CZ) Keyboard
213
Portuguese (PT) Keyboard
213
Italian (IT) Keyboard
214
French (FR) Keyboard
215
German (GR) Keyboard
215
Greek (GK) Keyboard
216
Hungary (HU) Keyboard
216
Spanish (SP) Keyboard
217