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Satellite A350D
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2 Troubleshooting Procedures
Satellite A350D/A355D, SATE
GO A350D, EQUIUM A350D Se
ries Maintenance Manual
47
Check 4
The system board may be dam
aged. Replace it with a new one following the
instructions in Chapter 4.
Contents
Main
Toshiba Personal Computer Satellite A350D 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 2.5-inch HDD
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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
A
Figure 2-1 Troubleshooting flowchart (1/2)
2 Troubleshooting Procedures
A
Figure 2-1 Troubleshooting flowchart (2/2)
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2 Troubleshooting Procedures
2.3 Power Supply Troubleshooting
Figure 2-2 Power Supply Troubleshooting Process
END
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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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2.7 Touchpad Troubleshooting
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2 Troubleshooting Procedures
Satellite A350D/A355D, SATEGO A350D, EQUIUM A350D Series Maintenance Manual
2.8 UWB Troubleshooting
Figure 2-7 UWB troubleshooting process
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2.10 Optical drive troubleshooting
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2.11 Modem Troubleshooting
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2.12 Express card Troubleshooting
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2.13 IEEE 1394 Troubleshooting
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2.14 Wireless LAN Troubleshooting
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2.15 Camera Troubleshooting
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2.16 Bluetooth Troubleshooting
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2.17 Bridge Media assemble Troubleshooting
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2.18 HDD Troubleshooting
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2.19 CRT Troubleshooting
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2.20 HDMI Troubleshooting
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2.21 SPDIF troubleshooting
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2.23 Finger printer troubleshooting
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782 Troubleshooting Procedures
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2.24 FM tuner Failure Troubleshooting
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2.25 E-SATA Troubleshooting
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2.26 Sensor Button Troubleshooting
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2.27 LED troubleshooting
2.28 Thermal Module troubleshooting
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2.29 TV-out troubleshooting
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2.30 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
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3.6 Main Battery Charge Test
3. 7 FDD 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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3.20 2nd HDD Test
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3.22 Write DMI
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3.23 Memory R/W test
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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 / FM Tuner
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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
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4.12 Touch Pad Bracket, LED board and Finger Printer Board
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4.13 Thermal Fan
4.14 Motherboard
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4.15 UWB Module
4.16 Robson Module
4.17 VGA Board and VGA Thermal Module (Optional)
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4.18 CPU and Thermal Module
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4.19 Display Assembly
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4.20 LCD Bezel Assembly
4.21 LCD Module and Inverter Board
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4.22 CMOS Board and MIC
4.23 Hinge Saddle
4.24 CRT Board
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4.25 USB Board
4.26 FM Jack
4.27 Bluetooth Card
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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 JFM
C.4 JCRT
Table C-4 CRT pin assignments (12-pin)
C.5 JHDMI
Table C-5 HDMI I/F pin assignments (19-pin)
C.6 JHDD0
C.7 JHDD2
Table C-7 2nd HDD I/F pin assignments (22-pin)
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C.14 JEXP
Table C-16 New Card Connector pin assignments (26-pin)
C.15 JLAN
Table C-17 LAN Connector pin assignments (14-pin)
C.16 JLED
Table C-18 LED/B Connector pin assignments (4-pin)
C.17 JGPS
Table C-19 GPS Connector pin assignments (52-pin)
C.18 JDDRL, JPDDRH
Table C-20 SODIMM I/F pin assignments (200-PIN) (1/4)
Table C-30 SODIMM I/F pin assignments (200-PIN) (2/4)
Table C-30 SODIMM I/F pin assignments (200-PIN) (3/4)
Table C-30 SODIMM I/F pin assignments (200-PIN) (4/4)
C.19 JMIC
C.20 JTV
C.21 JLINE
C.22 JKB
Table C-24 Keyboard Connector pin assignments (34-pin)
C.23 JUSB
Table C-25 USB Connector pin assignments (4P-pin)
C.25 JCS
C.26 JPOWER
C.27 JREAD
C.28 JVGA
Table C-30 VGA/B Connector pin assignments (200-PIN) (1/4)
Table C-30 VGA/B Connector pin assignments (200-PIN) (2/4)
Table C-30 VGA/B Connector pin assignments (200-PIN) (3/4)
Table C-30 VGA/B Connector pin assignments (200-PIN) (4/4)
C.29 JEXMIC
C.30 J1394
C.31 JP34
C.32 JSPKL
C.33 JSPKR
C.34 JP35
C.35 JT OUCH
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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Satellite A350/A350D Series 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
Satellite A350/A350D Series Maintenance Manual
Appendix G Reliability
