Toshiba Satellite A350 Maintenance Manual - Page 37

2 Troubleshooting Procedures

Satellite A350, SATEGO A350, EQUIUM A350 Series Maintenance Manual

1

Chapter 2

Contents

2.1 Troubleshooting Introduction

...........................................................................................

3

2.2

Troubleshooting Flowchar ……………………………………………………………..

4

2.3

Power Supply Troubleshooting …………………………………………………………9

2.4

Display Troubleshooting ……………………………………………………………….14

2.5 Keyboard Troubleshooting

..............................................................................................

17

2.6 External USB Devices Troubleshooting

..........................................................................

19

2.7

Touch Pad Troubleshooting ……………………………………………………………21

2.8

UWB Troubleshooting …………………………………………………………………..23

2.9

Speaker Troubleshooting ………………………………………………………………..26

2.10 Optical Drive troubleshooting …………………………………………………………28

2.11

Modem Troubleshooting ………………………………………………………………31

2.12 Express card Troubleshooting

…………………………………………………………33

2.13 IEEE 1394 Troubleshooting

…………………………………………………………..35

2.14 Wireless LAN Troubleshooting

……………………………………………………….38

2.15 Camera troubleshooting

……………………………………………………………….40

2.16 Bluetooth Troubleshooting…………………...…………………………….……….. ...42

2.17 Bridge media assemble card Troubleshooting…………………………………………44

2.18 HDD Troubleshooting ………………………………………………………………...46

2.19 CRT Port Failure Troubleshooting…………………………………………………….48

2.20 HDMI Troubleshooting ……………………………………………………………….50

2.21 SPDIF Troubleshooting ……………………………………………………………….52

2.22 MIC Troubleshooting …………………………………………………………………54

2.23 Finger Troubleshooting ………………………………………………………………. 56

2.24 FM Turner Troubleshooting ………………………………………………………….. 58

2.25 E-SATA Troubleshooting ……………………………………………………………..61

2.26 Felica Troubleshooting ……………………………………………………………….. 63

2.27 Sensor Button Troubleshooting………………………………………………………...65

2.28 LED Troubleshooting…………………………………………………………………..67

2.29 Thermal Module Troubleshooting……………………………………………………...68

2.30 TV-out Troubleshooting………………………………………………………………..70

2.31 LAN Troubleshooting ……………………………………………………………….. .72

Section	Page
Satellite A350 Maintenance Manual	1
SAFETY PRECAUTIONS	3
Conventions	4
Acronyms	4
Keys	4
Key operation	4
User input	5
The display	5
Chapter 1 Hardware Overview	6
Chapter 2 Troubleshooting Procedures	6
Chapter 3 Tests and Diagnostics	7
Chapter 4 Replacement Procedures	8
Appendices	13
Chapter 1	14
1.1 Features	18
1.2 2.5-inch HDD	28
1.3 DVD Super Multi (+-R Double Layer)	30
1.4 Power Supply	31
1.5 Batteries	33
1.5.1 Main Battery	33
1.5.2 Battery Charging Control	33
1.5.3 RTC Battery	34
Chapter 2	35
Chapter 2 Contents	37
2.1 Troubleshooting Introduction	39
2.2 Troubleshooting Flowchart	40
2.3 Power Supply Troubleshooting	45
2.4 Display Troubleshooting	50
2.5 Keyboard Troubleshooting	53
2.6 External USB Devices Troubleshooting	55
2.7 Touch Pad Troubleshooting	57
2.8 UWB Troubleshooting	59
2.9 Speaker Troubleshooting	62
2.10 Optical drive troubleshooting	64
2.11 Modem Troubleshooting	67
2.12 Express card Troubleshooting	69
2.13 IEEE 1394 Troubleshooting	71
2.14 Wireless LAN Troubleshooting	74
2.15 Camera Troubleshooting	76
2.16 Bluetooth Troubleshooting	78
2.18 HDD Troubleshooting	82
2.19 CRT Troubleshooting	84
2.20 HDMI Troubleshooting	86
2.24 FM tuner Failure Troubleshooting	95
2.25 E-SATA Troubleshooting	98
2.26 Felica Troubleshooting	100
2.27 Sensor Button Troubleshooting	102
2.28 LED troubleshooting	104
2.29 Thermal Module troubleshooting	105
2.30 TV-out troubleshooting	107
2.31 LAN troubleshooting	109
Chapter 3	111
Contents	112
3.1 The Diagnostic Test	114
3.2 Executing the Diagnostic Test	115
3.3 Display Configuration	119
3.4 Beep sound Test	120
3.5 Fan ON/OFF Test	121
3.6 Main Battery Charge Test	122
3. 7 FDD Test	123
3. 9 Keyboard Test	125
3.10 Mouse (Pad) Test	127
3.11 LCD Pixels Mode Test	128
3.12 Magnetic Switch Test	129
3.13 LAN Test	131
3.14 RTC Test	134
3.15 Read 1394 GUID	135
3.16 Speaker EQ(Equalizer Quality factor) Type Check&Re-Write	136
3.17 Sensor Button Test	136
3.19 1st HDD Test	139
3.20 2nd HDD Test	142
3.21 Read DMI	145
3.22 Write DMI	146
3.23 Front Edge Logo	149
Chapter 4	151
4.1 General	157
4.2 Battery	164
4.3 HDD	166
4.4 Memory	170
4.5 WLAN Card	173
4.6 Modem Card / FM Tuner	174
4.7 ODD	176
4.8 Keyboard Cover and Keyboard	179
4.9 Logic Upper Assembly	182
4.10 Power Board	185
4.11 Speakers	186
4.12 Touch Pad Bracket, LED board and Finger Printer Board	188
4.13 Thermal Fan	191
4.14 Motherboard	192
4.15 UWB Module	194
4.16 Robson Module	195
4.17 VGA Board and VGA Thermal Module (Optional)	196
4.18 CPU and Thermal Module	199
4.19 Display Assembly	204
4.20 LCD Bezel Assembly	206
4.21 LCD Module and Inverter Board	207
4.22 CMOS Board and MIC	212
4.23 Hinge Saddle	213
4.24 CRT Board	214
4.25 USB Board	216
4.26 FM Jack	217
4.27 Bluetooth Card	218
Appendix	220
Appendix A Handling the LCD Module	220
Precautions for handling the LCD module	220
Appendix B Board Layout	225
B.1 System Board Top View	225
B.2 System Board Bottom View	226
Appendix C Pin Assignments	229
C.1 JFAN	229
C.2 JFM	229
C.3 JLVDS	229
C.4 JCRT	230
C.5 JHDMI	230
C.6 JHDD0	231
C.7 JHDD2	231
C.8 JODD	232
C.9 JESATA	232
C.10 JBT	233
C.11 JFP	233
C.12 JFEL	233
C.13 JCAM	233
C.14 JWLAN	234
C.15 JNAND	235
C.16 JEXP	236
C.17 JLAN	236
C.18 JLED	236
C.19 JGPS	237
C.20 JDDRL, JPDDRH	238
C.21 JMIC	241
C.22 JTV	241
C.23 JLINE	241
C.24 JKB	242
C.25 JUSB	242
C.26 JUSBB	243
C.27 JCS	243
C.28 JPOWER	243
C.29 JREAD	244
C.30 JVGA	244
C.31 JEXMIC	248
C.32 J1394	248
C.33 JP34	249
C.34 J3GSIM	249
C.35 JSPKL	249
C.36 JSPKR	249
C.37 JP35	250
C.38 JTOUCH	250
Appendix D Keyboard Scan/Character Codes	251
Appendix E Key Layout	259
Appendix F Series Screw Torque List (KTKAA)	276

Toshiba Satellite A350 Maintenance Manual - Page 37

Contents, Troubleshooting Procedures, Satellite A350, SATEGO A350

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