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Toshiba Tecra A8 Maintenance Manual - Page 273

Cover assembly

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4.10 Cover assembly 4 Replacement Procedures 4.10 Cover assembly Removing the Cover assembly To remove the cover assembly, follow the steps below and refer to Figure 4-15 to 4-17. 1. Peel off the insulator and disconnect the SD card slot cable and SW membrane cable from the connector CN9720 and CN9721 on the system board. 2. Disconnect the touch pad cable, fingerprint sensor cable, speaker cable, Bluetooth cable and LCD cable from the connector CN3240, CN9700, CN6170, CN4400 and CN5000 on the system board. 3. Peel off the glass tape and remove the following screw. • M2.5×6B FLAT HEAD screw ×1 LCD cable (Connected to CN5000) Speaker cable (Connected to CN6170) Glass tape M2.5×6B FLAT HEAD Bluetooth cable (Connected to CN4400 Insulator SD card slot cable (Connected to CN9720) SW membrane cable (Connected to CN9721) Touch pad cable (Connected to CN3240) Fingerprint sensor cable (Connected to CN9700) Figure 4-15 Removing the cover assembly (1) TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573) [CONFIDENTIAL] 4-27

Section	Page
TECRA A8/SatelliteProA120 Maintenance Manual	1
SAFETY PRECAUTIONS	3
Table of Contents	6
Chapter 1 Contents	11
Table of Contents	13
1.1 Features	15
1.2 2.5-inch Hard Disk Drive	28
1.3 Keyboard	30
1.4 Optical Drive	31
1.4.1 CD-ROM Drive	31
1.4.2 DVD-ROM Drive	32
1.4.3 DVD-ROM & CD-R/RW Drive	33
1.4.4 DVD-Super Multi Drive	34
1.5 TFT Color Display	35
1.5.1 LCD Module	35
1.5.2 FL Inverter Board	37
1.6 Power Supply	38
1.7 Batteries	42
1.7.1 Main Battery	42
1.7.2 RTC battery	43
1.8 AC Adapter	44
Chapter2 Troubleshooting Procedures	45
Table of Contents	47
2.1 Troubleshooting	49
2.2 Troubleshooting Flowchart	51
2.3 Power Supply Troubleshooting	55
2.4 System Board Troubleshooting	69
2.5 USB FDD Troubleshooting	93
2.6 HDD Troubleshooting	96
2.7 Keyboard and Touch pad Troubleshooting	101
2.8 Display Troubleshooting	104
2.9 Optical Drive Troubleshooting	106
2.10 Modem Troubleshooting	108
2.11 LAN Troubleshooting	110
2.12 Bluetooth Troubleshooting	111
2.13 Wireless LAN Troubleshooting	113
2.14 Sound Troubleshooting	115
2.15 SD card Slot Troubleshooting	118
2.16 Fingerprint sensor Troubleshooting	119
Chapter 3 Tests and Diagnostics	129
Table of Contents	131
3.1 The Diagnostic Test	135
3.1.1 Diagnostics menu	135
3.1.2 H/W (Hardware) initial information setting tool	137
3.1.3 Heatrun test program	137
3.2 Executing the Diagnostic Test	138
3.2.1 Diagnostics menu (T&D)	139
3.2.2 H/W initial information setting tool	142
3.2.3 Heatrun test program	142
3.3 Setting of the hardware configuration	143
3.4 Heatrun Test	145
3.5 Subtest Names	146
3.6 System Test	148
3.7 Memory Test	150
3.8 Keyboard Test	151
3.9 Display Test	152
3.10 Floppy Disk Test	155
3.11 Printer Test	157
3.12 Async Test	159
3.13 Hard Disk Test	160
3.14 Real Timer Test	163
3.15 NDP Test	165
3.16 Expansion Test	166
3.17 CD-ROM/DVD-ROM Test	168
3.18 Error Code and Error Status Names	169
3.19 Hard Disk Test Detail Status	172
3.20 ONLY ONE TEST	174
3.20.1 Program Description	174
3.20.2 Operations	174
3.21 Head Cleaning	181
3.21.1 Function Description	181
3.21.2 Operations	181
3.22 Log Utilities	182
3.22.1 Function Description	182
3.22.2 Operations	183
3.23 Running Test	184
3.23.1 Function Description	184
3.23.2 Operations	184
3.24 Floppy Disk Drive Utilities	185
3.24.1 Function Description	185
3.24.2 Operations	186
3.25 System Configuration	190
3.25.1 Function Description	190
3.25.2 Operations	191
3.26 Wireless LAN Test Program (Atheros)	192
3.26.1 Setting the responder machine	193
3.26.2 Test procedure	194
3.26.3 Contents of the test and errors	195
3.27 Wireless LAN Test Program (Intel-made b/g, a/b/g)	199
3.28 LAN/Modem/Bluetooth/IEEE1394 Test Program	203
3.28.1 LAN test	203
3.28.2 Modem test	206
3.28.3 Bluetooth test	207
3.28.4 IEEE1394 test	217
3.29 Sound Test program	218
3.29.1 Sound (Standard) test	218
3.29.2 Sound (Legacy) test	220
3.29.3 CD Sound (Standard) test	221
3.29.3.1 Test media (Toshiba-made test media)	221
3.29.3.2 Audio CD	223
3.29.4 CD Sound (Legacy) test	223
3.30 SETUP	224
3.30.1 Function Description	224
3.30.2 Accessing the SETUP Program	226
Chapter 4 Replacement Procedures	241
Table of Contents	243
4.1 General	247
4.2 Battery pack	254
4.3 PC card	256
4.4 SD card	257
4.5 HDD	258
4.6 MDC/Memory module	262
4.7 Keyboard	265
4.8 Optical drive	268
4.9 Wireless LAN card	271
4.10 Cover assembly	273
4.11 SW membrane	277
4.12 Fingerprint sensor board	279
4.13 Touch pad	281
4.14 SD card slot	284
4.15 Bluetooth module	285
4.16 Serial/S-Video board	287
4.17 RTC battery	288
4.18 Modem jack	290
4.19 Fan	291
4.20 System board	293
4.21 Battery lock	295
4.22 HDD cable	297
4.23 Heat sink/CPU	298
4.24 PC card slot	302
4.25 LCD unit/FL inverter	303
4.26 Cover latch	308
4.27 Display rear cover	309
4.28 Wireless LAN antenna/Bluetooth antenna	311
4.29 Hinge	317
4.30 Speaker	319
4.31 Fluorescent Lamp	323
4.31.1 Replacing the 15.4-inch WXGA LG Philips Fluorescent Lamp	324
4.31.2 Replacing the 15.4-inch WXGA Samsung Fluorescent Lamp	333
Appendices	337
Table of Contents	339
Appendix A Handling the LCD Module	347
Appendix B Board Layout	353
B.1 System board (FHBIS/FHBAS) Front View	353
B.2 System board (FHBIS/FHBAS) Back View	355
B.3 Fingerprint Sensor board (FHBIS/FHBAS) View	357
B.4 SD card board (FHBID/FHBAD) View	358
B.5 SV board (FHBIR/FHBAR) View	359
Appendix C Pin Assignments	361
C.1 CN1400 SO-DIMM A connector (200-pin)	361
C.2 CN1410 SO-DIMM B connector (200-pin)	364
C.3 CN1850 HDD interface connector (11-pin)	367
C.4 CN1810 ODD interface connector (50-pin)	368
C.5 CN2300 Docking interface connector (240-pin)	369
C.6 CN2110 PC card interface connector (68-pin)	373
C.7 CN2600 Wireless LAN card interface connector (52-pin)	374
C.8 CN3010 MDC interface connector (12-pin)	375
C.9 CN3011 MDC relay connector (4-pin)	375
C.10 CN3200 Keyboard interface connector (34-pin)	376
C.11 CN3240 PAD interface connector (8-pin)	376
C.12 CN9721 SW membrane interface connector (13-pin)	377
C.13 CN3490 LPC debug port interface connector (12-pin)	377
C.14 J4100 LAN interface connector (12-pin)	377
C.15 CN4200 IEEE 1394 interface connector (4-pin)	378
C.16 CN4400 Bluetooth interface connector (20-pin)	378
C.17 CN4614 USB 6 connector (4-pin)	378
C.18 CN4614 USB 4 connector (4-pin)	379
C.19 CN4614 USB 0 connector (4-pin)	379
C.20 CN5000 LCD interface connector (40-pin)	380
C.21 CN5080 RGB connector (15-pin)	381
C.22 J6051 External microphone connector (6-pin)	381
C.23 CN6170 Speaker connector (4-pin)	381
C.24 J6310 Headphone connector (5-pin)	382
C.25 CN8800 DC-IN connector (4-pin)	382
C.26 CN8810 Main Battery connector (10-pin)	382
C.27 CN9300 RTC Battery connector (3-pin)	382
C.28 CN8771 FAN interface connector (4-pin)	383
C.29 CN9600 SV board (FHBIR*) interface connector (20-pin)	383
C.30 CN9700 Fingerprint sensor board (FHBIS*) interface connector (6-pin)	383
C.31 CN9720 SD card board (FHBID*) interface connector (20-pin)	384
C.32 CN9610 System board interface connector (20-pin)	385
C.33 CN9611 S-Video connector (6-pin)	385
C.34 CN5501 Serial interface connector (9-pin)	385
C.35 CN9540 System board interface connector (8-pin)	386
C.36 CN9550 System board interface connector (20-pin)	387
C.37 IS2101 SD card interface connector (12-pin)	387
C.38 CN1400 SO-DIMM 0 connector (200-pin)	388
C.39 CN1410 SO-DIMM 1 connector (200-pin)	391
C.40 CN1850 HDD interface connector (11-pin)	394
C.41 CN1810 ODD interface connector (50-pin)	395
C.42 CN3200 Docking interface connector (240-pin)	396
C.43 CN2600 Wireless LAN card interface connector (52-pin)	400
C.44 CN3490 LPC debug port interface connector (12-pin)	401
C.45 J4100 LAN interface connector (12-pin)	401
C.46 CN4610 USB 3 port connector (4-pin)	401
C.47 CN4611 USB 4 port connector (4-pin)	402
C.48 CN4612 USB 0 port connector (4-pin)	402
C.49 CN5000 LCD interface connector (40-pin)	403
C.50 CN9600 SV board (FHBAR*) interface connector (20-pin)	404
C.51 CN9700 Fingerprint sensor board (FHBAS*) interface connector (6-pin)	404
C.52 CN9720 SD card board (FHBAD*) interface connector (20-pin)	405
C.53 CN9610 System board interface connector (20-pin)	406
C.54 CN9611 S-Video connector (6-pin)	406
C.55 CN5501 Serial interface connector (9-pin)	406
C.56 CN9540 System board interface connector (8-pin)	407
C.57 CN9730 System board interface connector (20-pin)	408
C.58 IS2101 SD card interface connector (12-pin)	408
Appendix D Keyboard Scan/Character Codes	409
Appendix E Key Layout	417
E.1 United Kingdom (UK) Keyboard	417
E.2 United States (US) Keyboard	417
Appendix F Wiring diagrams	419
F.1 RGB Monitor Loopback Connector	419
F.2 RS-232C Loopback Connector	419
F.3 RS-232C direct connection cable (9-pin to 9-pin)	420
F.4 RS-232C direct connection cable (9-pin to 25-pin)	420
F.5 LAN Loopback Connector	421
Appendix G BIOS rewrite procedures	423
Appendix H EC/KBC rewrite procedures	425