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Toshiba Satellite A300 Manual

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Pin Assignment 127 GND 129 M_A_DQS#4 131 M_A_DQS4 133 GND 135 M_A_DQ39 137 M_A_DQ34 139 GND 141 M_A_DQ40 143 M_A_DQ41 145 GND 147 M_A_DM5 149 GND 151 M_A_DQ46 153 M_A_DQ42 155 GND 157 M_A_DQ48 159 M_A_DQ53 161 GND 163 NC 165 GND 167 M_A_DQS#6 169 M_A_DQS6 171 GND 173 M_A_DQ50 --- 128 GND --- I/O 130 M_A_DM4 I I/O 132 GND --- --- 134 M_A_DQ35 I/O I/O 136 M_A_DQ38 I/O I/O 138 GND --- --- 140 M_A_DQ44 I/O I/O 142 M_A_DQ45 I/O I/O 144 GND --- --- 146 M_A_DQS#5 I/O I 148 M_A_DQS5 I/O --- 150 GND --- I/O 152 M_A_DQ43 I/O I/O 154 M_A_DQ47 I/O --- 156 GND --- I/O 158 M_A_DQ49 I/O I/O 160 M_A_DQ52 I/O --- 162 GND --- --- 164 M_CLK_DDR1 I --- 166 M_CLK_DDR#1 I I/O 168 GND --- I/O 170 M_A_DM6 I --- 172 GND --- I/O 174 M_A_DQ55 I/O Satellite A300 Maintenance Manual (960-Q08) 13

Section	Page
Maintenance Manual	1
SAFETY PRECAUTIONS	3
Conventions	5
Acronyms	5
Keys	5
Key operation	5
User input	5
The display	5
Chapter 1 Hardware Overview	6
Chapter 2 Troubleshooting Procedures	6
Chapter 3 Test Program for Field	9
Chapter 4 Replacement Procedures	10
Appendices	12
Chapter1	14
Hardware Overview	14
1.1 Features	18
1.2 System Block Diagram	23
1.3 2.5-inch Hard Disk Drive	27
1.4 Optical Drive	31
1.4 DVD Super Multi Drive	32
1.5 Keyboard	35
1.6 Color Display	36
1.6.1 LCD Module with Single lamp	36
1.6.2 LCD Module with Dual lamp	39
1.6.3 FL Inverter Board	39
1.7 Power Rails	41
1.8 Batteries	42
1.8.1 Main Battery	42
1.8.2 Battery Charging Control	43
1.8.3 RTC Battery	44
1.9 AC Adapter	45
AMD	46
1.1 Features	46
1.2 System Block Diagram	50
1.3 2.5-inch Hard Disk Drive	53
1.4 Optical Drive	58
1.4.1 DVD Super Multi Drive	59
1.5 Key board	62
1.6 Color Display	63
1.6.1 LCD Module with Single lamp	63
1.6.2 LCD Module with Dual lamp	66
1.6.3 FL Inverter Board	66
1.7 Power Rails	68
1.8 Batteries	69
1.8.1 Main Battery	69
1.8.2 Battery Charging Control	70
1.8.3 RTC Battery	71
1.9 AC Adapter	72
Chapter2	73
Troubleshooting	77
2.1 Troubleshooting	77
2.2 Troubleshooting Flowchart	79
2.3 Power Supply Troubleshooting	83
2.4 System Board Troubleshooting	89
2.5 USB FDD Troubleshooting	98
2.6 2.5” HDD Troubleshooting	102
2.7 Keyboard Troubleshooting	107
2.8 Touch pad Troubleshooting	109
2.9 Display Troubleshooting	111
2.10 Optical Disk Drive Troubleshooting	114
2.11 Modem Troubleshooting	115
2.12 LAN Troubleshooting	117
2.13 Wireless LAN Troubleshooting	118
2.14 Sound Troubleshooting	121
2.15 Fingerprint Troubleshooting	123
2.16 Bluetooth Troubleshooting	124
Chapter4 - Replacement	125
Chapter 4 Contents	127
4.1 Overview	130
Safety Precautions	131
Before You Begin	132
Disassembly Procedure	133
Assembly Procedure	134
Tools and Equipment	134
Screw Tightening Torque	135
Grip Color	135
Screw Notation	136
4.2 Battery pack	137
Removing the battery pack	137
Installing the battery pack	138
4.3 Dummy card	140
Removing a Dummy New card	140
Installing a Dummy card	141
4.4 HDD	142
Removing a HDD	142
Installing a HDD	145
4.5 Wireless LAN card	146
Removing a Wireless LAN card	146
Installing a Wireless LAN card	147
4.6 Memory module	148
Removing a memory module	148
Installing a memory module	149
4.7 Keyboard	150
Removing the keyboard	150
Installing the keyboard	152
4.8 Optical disk drive	153
Removing an optical disk drive	153
Installing an optical disk drive	154
4.9 Display assembly	155
Removing the display assembly	155
Installing the display assembly	159
4.10 Cover assembly	160
Installing the cover assembly	163
4.11 Touch pad	164
Removing the touch pad	164
Installing the touch pad	165
4.12 Removing the USB board	166
Installing the USB board	166
Appendix	186
Appendix	186
Appendix Contents	188
Appendix A	192
Appendix A Handling the LCD Module	192
Precautions for handling the LCD module	192
Appendix B	198
Appendix B Board Layout	198
B.1 System Board	198
B.2 Touch Pad Board	202
B.3 Finger Print Board	204
Appendix C Pin Assignment	206
Appendix D	236
Appendix D Display Codes	236
D.1 Display Codes	236
Appendix E Keyboard Layout	244
Appendix F	260
Appendix F Wiring Diagrams	260
F.1 RGB Monitor ID Wraparound connector	260
F.2 LAN Loopback Connector	260
Appendix G	261
Appendix G BIOS Rewrite Procedures	261
Appendix H	262
Appendix H EC/KBC Rewrite Procedures	262
Appendix I Reliability	263

Match case Limit results 1 per page

Pin Assignment

Satellite A300

Maintenance Manual (960-Q08)

127

GND

---

128

GND

---

129

M_A_DQS#4

I/O

130

M_A_DM4

131

M_A_DQS4

I/O

132

GND

---

133

GND

---

134

M_A_DQ35

I/O

135

M_A_DQ39

I/O

136

M_A_DQ38

I/O

137

M_A_DQ34

I/O

138

GND

---

139

GND

---

140

M_A_DQ44

I/O

141

M_A_DQ40

I/O

142

M_A_DQ45

I/O

143

M_A_DQ41

I/O

144

GND

---

145

GND

---

146

M_A_DQS#5

I/O

147

M_A_DM5

148

M_A_DQS5

I/O

149

GND

---

150

GND

---

151

M_A_DQ46

I/O

152

M_A_DQ43

I/O

153

M_A_DQ42

I/O

154

M_A_DQ47

I/O

155

GND

---

156

GND

---

157

M_A_DQ48

I/O

158

M_A_DQ49

I/O

159

M_A_DQ53

I/O

160

M_A_DQ52

I/O

161

GND

---

162

GND

---

163

---

164

M_CLK_DDR1

165

GND

---

166

M_CLK_DDR#1

167

M_A_DQS#6

I/O

168

GND

---

169

M_A_DQS6

I/O

170

M_A_DM6

171

GND

---

172

GND

---

173

M_A_DQ50

I/O

174

M_A_DQ55

I/O