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Toshiba PSA10C-035WM Maintenance Manual - Page 62

E5V output, E3V output, PPV output, 1R2-P1V output

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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures E5V output Error code Meaning 90h E5V voltage is over 6.00V when the computer is powered on/off. 91h E5V voltage is 4.50V or less when the computer is powered on. 92h E5V voltage is 4.50V or less when the computer is booting up. 93h E5V voltage is 4.50V or more when the computer is powered off. 94h E5V voltage is 4.50V or less when the computer is suspended. E3V output Error code Meaning A0h E3V voltage is over 3.96V when the computer is powered on/off. A1h E3V voltage is 2.81V or less when the computer is powered on. A2h E3V voltage is 2.81V or less when the computer is booting up. A3h E3V voltage is 2.81V or more when the computer is powered off. A4h E3V voltage is 2.81V or less when the computer is suspended. PPV output Error code Meaning B0h PPV voltage is over 1.56V when the computer is powered on/off. B1h PPV voltage is 0.68V or less when the computer is powered on. B2h PPV voltage is 0.68V or less when the computer is booting up. B3h PPV voltage is 0.68V or more when the computer is powered off. 1R2-P1V output Error code Meaning C0h 1R2-P1V voltage is over 1.44V when the computer is powered on/off. C1h 1R2-P1V voltage is 1.02V or less when the computer is powered on. C2h 1R2-P1V voltage is 1.02V or less when the computer is booting up. C3h 1R2-P1V voltage is 1.02V or more when the computer is powered off. C4h 1R2-P1V voltage is 1.02V or less when the computer is suspended. Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445) 2-11

Section	Page
SAFETY PRECAUTIONS	4
Conventions	6
Acronyms	6
Chapter 1 Hardware Overview	7
Chapter 2 Troubleshooting Procedures	7
Chapter 3 Tests and Diagnostics	8
Chapter 4 Replacement Procedures	9
Appendices	10
	13
Chapter 1 Contents	14
Chapter 1	16
Features	16
System Block Diagram	20
3.5-inch USB Floppy Disk Drive	24
2.5-inch Hard Disk Drive	25
CD-ROM Drive	28
DVD-ROM Drive	29
Combo Drive	31
Combo+2 drive	34
DVD Multi drive	35
Keyboard	36
TFT Color Display	37
LCD Module	37
FL Inverter Board	39
Power Supply	40
E3V	41
3.3	41
LAN-E3V	41
3.3	41
B3V	41
3.3	41
P3V	41
3.3	41
PNL-P3V	41
3.3	41
E5V	41
5.0	41
B5V	41
5.0	41
P5V	41
5.0	41
FL-P5V	41
5.0	41
SND-P5V	41
5.0	41
A4R7-P4V	41
4.7	41
15-EBV	41
9.0-11.5	41
M5V	41
5.0	41
S3V	41
5.0	41
S5V	41
5.0	41
MCV	41
5.0	41
R3V	41
2.0-3.5	41
Batteries	42
Main Battery	42
Battery Charging Control	43
RTC Battery	44
AC Adapter	45
Chapter 2	48
Chapter 2-1	52
Troubleshooting Flowchart	53
Power Supply Troubleshooting	57
System Board Troubleshooting	67
Chapter 2-2	90
2.5” HDD Troubleshooting	93
Keyboard Troubleshooting	98
Display Troubleshooting	99
Touch Pad Troubleshooting	101
Procedure 1 Diagnostic Test Program Execution Check	101
Procedure 2 Connector and Cable Check	101
Optical Drive Troubleshooting	102
Modem Troubleshooting	103
LAN Troubleshooting	104
Sound Troubleshooting	105
Wireless LAN Troubleshooting	107
Chapter 3 T&D	114
Chapter 3-1	116
The Diagnostic Test	116
Executing the Diagnostic Test	118
Subtest Names	122
System Test	124
Memory Test	127
Keyboard Test	129
Display Test	133
Floppy Disk Test	136
Printer Test	138
Async Test	140
Hard Disk Test	143
Real Timer Test	146
NDP Test	148
Expansion Test	149
CD-ROM/DVD-ROM Test	151
LAN Test	152
Sound/LAN/Modem Test	153
Wireless LAN Test (Agere)	157
Wireless LAN Test (Atheros)	162
Chapter 3-2	165
Error Code and Error Status Names	165
Hard Disk Test Detail Status	169
FDD Cleaning	171
Function Description	171
Operations	171
Log Utilities	172
Function Description	172
Operations	172
Running Test	174
Function Description	174
Operations	174
Floppy Disk Drive Utilities	176
Function Description	176
Operations	177
System Configuration	181
Function Description	181
Operations	182
SETUP	183
Function Description	183
Accessing the SETUP Program	184
Chapter 4 Replacement Procedues	201
Chapter 4-1	207
Safety Precautions	208
Before You Begin	209
Disassembly Procedures	210
Assembly Procedure	211
Tools and Equipment	211
Screw Tightening Torque	212
Grip Color	212
Screw Notation	213
Battery Pack/PC Card	214
Battery Pack	214
Removing the battery pack	214
Installing the battery pack	216
	217
PC Card	217
Removing the PC card	217
Installing the PC card	217
Memory Module	218
Removing the memory module	218
Installing the memory module	219
HDD	220
Removing the HDD	220
Installing the HDD	223
MDC Modem	224
Removing the MDC Modem	224
Installing the MDC Modem	225
Mini PCI Card	226
Removing the Mini PCI Card	226
Installing the Mini PCI Card	227
Fan Module/Cooling Fin/CPU	228
Removing the Fan Module/Cooling Fin/CPU	228
Installing the Fan Module/Cooling Fin/CPU	232
Keyboard	234
Removing the keyboard	234
Installing the keyboard	237
Chapter 4-2	238
Removing the Optical Drive	238
Installing the Optical Drive	240
Display Assembly	241
Removing the Display Assembly	241
Installing the Display Assembly	244
Touch Pad	245
Removing the Touch Pad	245
Installing the Touch Pad	246
BAT CON Holder	247
Removing the BAT CON Holder	247
Installing the BAT CON Holder	247
System Board/DC-IN Jack/RTC Battery	248
Removing the System Board/DC-IN Jack/RTC Battery	248
Installing the System Board/DC-IN Jack/RTC Battery	251
BAT LOCK ASSY/HDD UPPER ASSY	252
Removing the BAT LOCK ASSY/HDD UPPER ASSY	252
Installing the BAT LOCK ASSY/HDD UPPER ASSY	254
Touch Pad Switch	255
Removing the Touch Pad Switch	255
Installing the Touch Pad Switch	255
LCD Unit/FL Inverter	256
Removing the LCD Unit/FL Inverter	256
Installing the FL Inverter/LCD Unit	259
Wireless LAN Antenna/Display Cover/Speaker	260
Removing the Wireless LAN Antenna/Display Cover/Speaker	260
Installing the Wireless LAN Antenna/Display Cover/Speaker	268
Chapter 4-3	270
Replacing the TMD 14.1 Inch XGA Fluorescent Lamp	271
Disassembling Fluorescent Lamp	271
Assembling Fluorescent Lamp	276
Replacing the 14.1 Inch XGA CHIMEI Fluorescent Lamp	283
Replacing the 14.1 Inch XGA Samsung Fluorescent Lamp (VF2058P01)	287
Replacing the 14.1 Inch XGA Samsung Fluorescent Lamp (VF2048P01)	293
Replacing the 14.1 Inch XGA LG.Philips Fluorescent Lamp	299
Chapter 4-4	307
Replacing the 15.0 Inch XGA Samsung Fluorescent Lamp	314
Chapter 4-5	320
Replacing the 15.0 Inch XGA CHIMEI Fluorescent Lamp	335
Chapter 4-6	340
Replacing the 15.0 Inch SXGA+ Samsung Fluorescent Lamp	346
Chapter 4-7	352
apptoc.pdf	370
appa.pdf	374
Precautions for handling the LCD module	374
appb.pdf	380
System Board Front View	380
System Board Back View	382
appe.pdf	408
Appendix EKey Layout	408
Keyboard Layout	408
appf.pdf	412
Parallel Port Wraparound Connector	412
RGB Monitor ID Wraparound Connector (15-Pin to 15-Pin)	413
appg.pdf	414
Appendix GBIOS/KBC/EC Update	414
apph.pdf	416