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Toshiba M200-ST2002 Maintenance Manual - Page 254

Assembling the module, Be careful not to damage the TAB.

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4.24 Fluorescent Lamp 4 Replacement Procedures Assembling the module Assembling procedure is a same as the preceding paragraph "Disassembling the module " but practice in reverse. 1. Checking the backlight Make sure the sheet stays in the frame. Double-faced tape Make sure the sheet fit in the frame. Make sure the sheet stays in the frame. Figure 4-48 Replacing Toshiba f luorescent lamp(7) 2. Assembling the cell with the PCB 1) Peel off the separation sheet of the double -faced tape on the top of the frame. 2) Illuminate the backlight. 3) Make sure there is no scratch or dirt on the backlight. Also check the back of the cell. Next, install the cell with the PCB to the backlight unit. Caution: 1) Install by aligning to the bottom left corner as shown below. 2) Be careful not to damage the TAB. Portege M200 Maintenance Manual (960-457) 4-65

Section	Page
Table of Contents	6
Chapter 1 Hardware Overview	11
1.1 Features	15
1.2 2.5-inch Hard Disk Drive	23
1.3 Keyboard	25
1.4 TFT Color Display	26
1.5 Power Supply	28
1.6 Batteries	30
1.7 AC Adapter	32
Chapter 2 Troubleshooting Procedures	33
2.1 Troubleshooting	39
2.2 Troubleshooting Flowchart	40
2.3 Power Supply Troubleshooting	44
2.4 System Board Troubleshooting	55
2.5 USB 3.5” FDD Troubleshooting	69
2.6 2.5” HDD Troubleshooting	72
2.7 Keyboard Troubleshooting	77
2.8 Display Troubleshooting	78
2.9 Touch Pad Troubleshooting	80
2.10 Modem Troubleshooting	81
2.11 LAN Troubleshooting	82
2.12 Sound Troubleshooting	83
2.13 SD Card Slot Troubleshooting	85
2.14 Tablet Pen Troubleshooting	86
2.15 Wireless LAN Troubleshooting	88
2.16 Bluetooth Troubleshooting	92
Chapter 3 Tests and Diagnostics	97
3.1 The Diagnostic Test	101
3.2 Executing the Diagnostic Test	103
3.3 Setting of the hardware configuration	108
3.4 Subtest	110
3.5 System Test	112
3.6 Memory Test	116
3.7 Keyboard Test	118
3.8 Display Test	122
3.9 USB Floppy Disk Test	125
3.10 ASYNC Test	127
3.11 Hard Disk Test	128
3.12 Real Timer Test	131
3.13 NDP Test	133
3.14 Expansion Test	134
3.15 Wireless LAN Test (Atheros)	136
3.16 Bluetooth Test	139
3.17 Sound/LAN/Modem Test	148
3.18 Thermal Radiation Control Test	151
3.19 Error Status Code	152
3.20 HDC Status	154
3.21 FDD Cleaning	156
3.22 Log Utilities	157
3.23 Running Test	159
3.24 Floppy Disk Drive Utilities	161
3.25 System Configuration	167
3.26 SETUP	169
Chapter 4 Replacement Procedures	184
4.1 Overview	190
4.2 Battery pack	197
4.3 PC card/SD memory card	199
4.4 Keyboard	201
4.5 Touch pad	203
4.6 Memory module	204
4.7 HDD	206
4.8 Base cover assembly	208
4.9 Mini PCI	210
4.10 MDC modem	212
4.11 FAN/CPU	214
4.12 RTC battery	218
4.13 Bluetooth module	219
4.14 Hinge cables	221
4.15 System board	223
4.16 Speaker/LED board	225
4.17 Second FAN	228
4.18 Pen holder/Battery lock/Latch assembly	229
4.19 LCD unit/FL inverter	232
4.20 Application switch board/Power switch board/LCD latch assembly	236
4.21 Digitizer	239
4.22 LCD harness / Hinge assembly	245
4.23 Hinge Switch Board	248
4.24 Fluorescent Lamp	249
Appendices	258
Appendix A Handling the LCD Module	266
Appendix B Board Layout	272
Appendix C Pin Assignment	280
Appendix D Keyboard Scan/Character Codes	310
Appendix E Key Layout	318
Appendix F BIOS/KBC/EC Update	320
Appendix G Reliability	322