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Toshiba A205-S4777 Maintenance Manual - Page 73

Procedure 1, in 1 card test, Procedure 2, in 1 Card socket replacement check

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2 Troubleshooting Procedures This section describes how to determine if the 4 IN 1 Card player is functioning properly. The process is summarized in Figure 2-16. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required. Procedure 1: 5 in 1 card test Procedure 2: Express socket replacement check Procedure 1 4 in 1 card test The 4 in 1 Card test card contains a 4 in 1 card test program. Ensure the card in fully inserted into the socket before running the program. If an error occurs during the 4 in 1 card test, perform Procedure 2. If no error occurs, it is likely that the original 4 in 1 card was faulty. Procedure 2 4 in 1 Card socket replacement check The 4 in 1 Card socket may be damaged or defective, for instance the socket pins can be bent. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and replace the socket. If the problem persists, the system board may be defective or damaged. Replace the system board with a new one following the steps in Chapter 4. Satellite A200/A205/Pro A200 Series Maintenance Manual [CONFIDENTIAL] 43

Section	Page
Satellite A200	1
SAFETY PRECAUTIONS	3
Conventions	4
Acronyms	4
Keys	4
Key operation	5
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	7
Appendices	9
Chapter 1.pdf	11
Hardware Overview	11
Chapter 1 Contents	13
1.1 Features	15
1.2 System Unit	19
1.3 2.5-inch Hard Disk Drive	20
1.4 Optical Disc Device	22
1.4.1 DVD-ROM & CD-RW	22
1.4.2 DVD Super Multi Double Layer	23
1.5 Power Supply	24
1.6 Batteries	26
1.6.1 Main Battery	27
1.6.2 RTC battery	28
Chapter 2.pdf	29
Troubleshooting Procedures	29
Chapter 2 Contents	31
2.1 Troubleshooting Introduction	33
2.2 Troubleshooting Flowchart	34
2.3 Power Supply Troubleshooting	39
2.4 Display Troubleshooting	44
2.5 Keyboard Troubleshooting	47
2.6 External USB Devices Troubleshooting	49
2.7 TV-Out Failure Troubleshooting	51
2.8 TouchPad Troubleshooting	53
2.9 Speaker Troubleshooting	55
2.10 Optical Drive Troubleshooting	57
2.11 Modem Troubleshooting	60
2.12 Express card Troubleshooting	62
2.13 IEEE 1394 Troubleshooting	64
2.14 Wireless LAN Troubleshooting	66
2.15 Camera Troubleshooting	68
2.16 Bluetooth Troubleshooting	70
2.18 1st HDD Troubleshooting	74
2.19 2nd HDD Troubleshooting	77
Chapter 3.pdf	79
Tests and Diagnostics	79
Contents	80
3.1 The Diagnostic Test	81
3.2 Executing the Diagnostic Test	83
3.3 Display Configuration	87
3.4 Speaker Audio Test	88
3.5 Fan ON/OFF Test	89
3.6 Main Battery Charge Test	90
3. 7 FDD Test	91
3. 8 ODD Test	92
3. 9 Keyboard Test	93
3.10 Mouse (Pad) Test	94
3. 11 LCD Pixels Mode Test	96
3.12 Magnetic Switch Test	97
3.13 LAN Test	98
3.14 RTC Test	101
3.15 Read 1394 GUID	102
3.16 Speaker EQ Type Check&Re-Write	103
3.17 Button Test	104
3.18 1st HDD Test	105
3.19 2nd HDD Test	108
3.20 Satellite LED Test	111
Chapter 4.pdf	113
Replacement Procedures	113
Chapter 4 Contents	115
4.1 General	119
4.2 Battery	125
4.3 PC Card	127
4.4 Memory Card	129
4.5 HDD	131
4.6 Expansion Memory	136
4.7 Optical Drive Module	139
4.8 Optical Drive	141
4.9 Keyboard	143
4.10 Display Assembly	146
4.11 Display Mask	151
4.12 FL Inverter Board	153
4.13 LCD Module	155
4.14 WLAN antennas	158
4.15 Camera and Microphone	159
4.16 Bluetooth module	161
4.17 Touch Pad	163
4.18 Fingerprint Module	165
4.19 Speakers	167
4.20 Function Button Board	169
4.21 USB Board	171
4.22 MDC Card	173
4.23 Wireless Module	175
4.24 System Fan	176
4.25 System Board	178
4.26 VGA Board	181
4.27 CPU	184
Appendix-A.pdf	187
Appendix A Handling the LCD Module	187
Precautions for handling the LCD module	187
Appendix-B.pdf	193
Appendix B Board Layout	193
B.1 System Board Top View	193
B.2 System Board Bottom View	194
Appendix-C.pdf	197
Appendix C Pin Assignments	197
C.1 JP3,JP4	197
C.2 JP39	200
C.3 JP25	201
C.4 JP24	201
C.5 JP26	202
C.6 JP20	203
C8 JP35	205
C.9 JP2	205
C.10 JP38	206
C.11 PJP1	206
C.12 JP14	206
C.13 JP15	206
C.15 JP8	207
C.16 JP6	210
C.17 JP6	210
C.18 JP11	211
C.19 JP19	212
C.20 JP37	212
C.21 JP37	213
C.22 JP27	213
C.23 JP40	213
C.24 JP13	214
C.25 JP30	214
C.26 JP16	214
C.27 JP17	214
C.28 JP32	215
C.29 JP31	215
C.30 JP33	215
Appendix-D.pdf	216
Appendix D	216
Appendix D Keyboard Scan/Character Codes	216
Appendix-E.pdf	224
Appendix E Key Layout	224
Appendix-F.pdf	240
Appendix F Series Screw Torque List (ISKAE)	240
Appendix-G.pdf	243

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2 Troubleshooting Procedures

Satellite A200/A205/

Pro A200

Series Maintenance Manual

[CONFIDENTIAL]

This section describes how to determine if the 4 IN 1 Card player is functioning properly. The

process is summarized in Figure 2-16. Perform the steps below starting with Procedure 1 and

continuing with the other procedures as required.

Procedure 1:

5 in 1 card test

Procedure 2:

Express socket replacement check

Procedure 1

4 in 1 card test

The 4 in 1 Card test card contains a 4 in 1 card test program. Ensure the card in fully inserted

into the socket before running the program.

If an error occurs during the 4 in 1 card test, perform Procedure 2. If no error occurs, it is

likely that the original 4 in 1 card was faulty.

Procedure 2

4 in 1 Card socket replacement check

The 4 in 1 Card socket may be damaged or defective, for instance the socket pins can be bent.

Disassemble the computer following the steps described in Chapter 4, Replacement

Procedures and replace the socket. If the problem persists, the system board may be defective

or damaged.

Replace the system board with a new one following the steps in Chapter 4.