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Toshiba Satellite A350 Maintenance Manual - Page 241

C.21 JMIC, C.22 JTV, C.23 JLINE, Internal Microphone, TV-OUT, HEADPHONE

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181 DQ26 I/O 182 DQ30 I/O 183 DQ27 I/O 184 DQ31 I/O 185 VSS O 186 VSS O 187 CKE0 I/O 188 NC/CKE1 I/O 189 VDD O 190 VDD O 191 NC - 192 NC/A15 - 193 BA2 I/O 194 NC/A14 - 195 VDD O 196 VDD O 197 A12 I/O 198 A11 I/O 199 A9 I/O 200 A7 I/O C.21 JMIC Table C-21 Internal Microphone Connector pin assignments (2-pin) Pin No. 1 Signal name INT_MIC I/O Pin No. Signal Name I/O 2 GND C.22 JTV Table C-22 TV-OUT Connector pin assignments (6-pin)) Pin No. Signal name 1 GND 3 TV_LUMA_L 5 GND I/O Pin No. Signal Name I/O 2 GND 4 TV_CRMA_L 6 GND C.23 JLINE Table C-23 HEADPHONE Connector pin assignments (10-pin) Pin No. 1 3 5 Signal name NBA_PLUG HP_L_L NBA_PLUG I/O Pin No. Signal Name I/O 2 HP_R_L 4 GND 6 GND Los Angeles 10/10G Maintenance Manual [CONFIDENTIAL] C-13

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

Match case Limit results 1 per page

181

DQ26

I/O

182

DQ30

I/O

183

DQ27

I/O

184

DQ31

I/O

185

VSS

186

VSS

187

CKE0

I/O

188

NC/CKE1

I/O

189

VDD

190

VDD

191

192

NC/A15

193

BA2

I/O

194

NC/A14

195

VDD

196

VDD

197

A12

I/O

198

A11

I/O

199

I/O

200

I/O

C.21 JMIC

Table C-21

Internal Microphone

Connector pin assignments (2-pin)

Pin No.

Signal name

I/O

Pin No.

Signal Name

I/O

INT_MIC

GND

C.22 JTV

Table C-22

TV-OUT

Connector pin assignments (6-pin)

)

Pin No.

Signal name

I/O

Pin No.

Signal Name

I/O

GND

TV_LUMA_L

TV_CRMA_L

GND

C.23 JLINE

Table C-23

HEADPHONE

Connector pin assignments (10-pin)

Pin No.

Signal name

I/O

Pin No.

Signal Name

I/O

NBA_PLUG

HP_R_L

HP_L_L

GND

NBA_PLUG

GND

Los Angeles 10/10G Maintenance Manual

[CONFIDENTIAL]

C-13