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Qosmio G20
Toshiba Qosmio G20 User Manual
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B.7
Power SW board
Appendix B Board Layout
B.7
Power SW board
<Front layout>
(
b
)
(
a
)
<Back layout>
Figure B-7 Power SW board layout
Table B-7
Power SW board connectors
Mark Number
Name
(a)
CN9622
Power SW harness connector
(b)
S3310
Power switch button
B-10
[C
ONF
IDENTIAL
]
QOSMIO G20 Mai
ntenance
Manual (
960-5
11)
356
358
Table of Contents
Table of Contents
6
Chapter 1 Hardware Overview
11
Table of Contents
13
Default Chapter
15
Features
15
Figure 1-1 Front of the Computer and the System Units Configuration
18
System Block Diagram
19
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 Specifications
25
Optical Drive
26
Table 1-3 DVD Super Multi Drive (Double-Layer) Outline Dimensions
26
Table 1-4 DVD Super Multi Drive (Double-Layer) Specifications
27
Keyboard
28
Figure 1-6 LCD Module
29
Table 1-5 LCD Module Specifications
29
TFT Color Display
29
Table 1-6 FL Inverter Board Specifications
30
Power Supply
31
Table 1-7 Power Supply Output Rating
32
Batteries
34
Main Battery
34
Battery Charging Control
35
Table 1-10 Data Preservation Time
35
Table 1-9 Time Required for Charges of Main Battery
35
Table 1-11 Time Required for Charges of RTC Battery
36
Table 1-12 AC Adapter Specifications
37
Table 1-8 Battery Specifications
34
AC Adapter
37
Chapter 2 Troubleshooting Procedures
39
Troubleshooting
45
Troubleshooting Flowchart
47
Power Supply Troubleshooting
51
Procedure 3 Connection Check
59
Procedure 4 Charging Check
59
Procedure 5 Replacement Check
60
System Board Troubleshooting
61
Procedure 4 Replacement Check
80
USB FDD Troubleshooting
81
Procedure 3 Connector Check and Replacement Check
83
HDD Troubleshooting
85
Keyboard Troubleshooting
90
Touch Pad Troubleshooting
92
Display Troubleshooting
94
Optical Disk Drive Troubleshooting
97
Modem Troubleshooting
99
LAN Troubleshooting
101
Wireless LAN Troubleshooting
102
Procedure 3 Replacement Check
104
Bluetooth Troubleshooting
105
Sound Troubleshooting
108
TV Tuner Troubleshooting
110
Bridge Media Slot Troubleshooting
111
Pci Expresscard Slot Troubleshooting
112
Chapter 3 Tests and Diagnostics
113
Table of Contents
115
Default Chapter
119
The Diagnostic Test
119
Diagnostics Menu
119
H/W (Hardware) Initial Information Setting Tool
121
Heatrun Test Program
121
Executing the Diagnostic Test
122
Diagnostics Menu (T&D)
122
DMI Read
124
H/W Initial Information Setting Tool
125
Heatrun Test Program
125
Initial Configuration
125
Check of the RAID Configuration
126
Explanation of the Screen Display
126
Check of the Screen Display
128
Specification of the Failed HDD
130
Setting of the Hardware Configuration
134
Heatrun Test
137
Subtest Names
138
System Test
140
Memory Test
142
Keyboard Test
143
Display Test
144
Floppy Disk Test
147
Printer Test
149
Async Test
151
Hard Disk Test
152
Real Timer Test
155
NDP Test
157
Expansion Test
158
CD-ROM/DVD-ROM Test
160
Error Code and Error Status Names
161
Hard Disk Test Detail Status
164
Only One Test
166
Operations
166
Program Description
166
Tests and Diagnostics
166
Head Cleaning
176
Function Description
176
Operations
176
Log Utilities
177
Function Description
177
Operations
178
Running Test
179
Function Description
179
Operations
179
Floppy Disk Drive Utilities
180
Function Description
180
Operations
181
System Configuration
185
Function Description
185
Operations
186
Wireless LAN Test Program (Intel-Made B/G)
187
Wireless LAN Test Program (Intel-Made A/B/G)
191
Wireless LAN Test Program (Askey-Made)
196
Lan/Modem/Bluetooth/Ieee1394 Test Program
200
LAN Test
200
Modem Test
203
Bluetooth Test
204
IEEE1394 Test
213
Sound Test Program
214
Sound (Standard) Test
214
Sound (Legacy) Test
216
CD Sound (Standard) Test
217
CD Sound (Legacy) Test
219
Chapter 4 Replacement Procedures
237
Table of Contents
239
Default Chapter
243
Overview
243
Safety Precautions
244
Before You Begin
245
Disassembly Procedure
246
Assembly Procedure
247
Tools and Equipment
247
Grip Color
248
Screw Tightening Torque
248
Screw Notation
249
Battery Pack
250
Expresscard & PC Card / Bridge Media
252
Expresscard & PC Card
252
Bridge Media
254
Hdd
255
MDC
259
Memory Module
261
Keyboard
263
Removing the Keyboard
263
Installing the Keyboard
265
Bottom Cover Assembly
266
LAN Jack
271
Speaker (L) & Modem Jack
272
AV-IN Board
274
Battery Latch Assembly
275
Optical Disk Drive
277
Replacing the Optical Disk Drive
277
Ejecting the Optical Disk
279
SJ Board / Internal Microphone
281
SJ Board
281
Internal Microphone
283
Sound Board
284
Power Sw Board
286
Battery Board / RTC Battery
288
Battery Board
288
RTC Battery
290
Wireless LAN Card
291
TV Tuner Module
292
CPU Fan
294
CPU Fin & CPU
295
VGA Fan & VGA Fin
298
GMCH Heat Sink
300
Speaker (R)
301
TV Antenna Board
302
System Board
303
PC Card Slot
305
Bluetooth Module
307
Installing the Bluetooth Module
308
Volume Sensor Board
309
Touch Sensor Board
310
Touch Pad
312
Latch Assembly
314
LCD Unit / FL Inverter
316
LCD Harness
321
Wireless Antennas
324
Display Latch Hook
327
Display Rear Cover
328
Hinge
329
Appendix A Handling the Lcd Module
342
Appendix B Board Layout
348
Power SW Board
357
Appendix C Pin Assignment
361
Appendix E Key Layout
407
Appendix F Wiring Diagrams
409
Appendix G Bios Rewrite Procedures
411
Appendix I Reliability
415
Appendix J Maintenance of Toshiba Raid
417
Create Array
430
4
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Toshiba Qosmio G20 Specifications
General
Brand
Toshiba
Model
Qosmio G20
Category
Laptop
Language
English
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