Home » Toshiba Manuals » Laptops » Toshiba Portege R500 » Manual Viewer

Toshiba Portege R500 Maintenance Manual - Page 242

RTC battery

View all Toshiba Portege R500 manuals

Add to My Manuals
Save this manual to your list of manuals

Page 242 highlights

4 Replacement Procedures 4.11 RTC battery 4.11 RTC battery Removing the RTC battery To remove the RTC battery, follow the steps below and refer to Figure 4-14. 1. Disconnect the RTC battery cable from the connector CN9300 on the system board. 2. Remove the RTC battery holder fixed to the base cover with the double-sided tape. CAUTION: A cushion is fixed to the bottom of the RTC battery holder with a doublesided tape and the cushion is fixed to the base cover with a double-sided tape. When removing the RTC battery holder, be careful not to break the cushion of the bottom of the RTC battery holder. 3. Open the RTC battery holder while peeling adhered portion with the double-sided tape and remove the RTC battery from the RTC battery holder. CN9300 RTC battery holder RTC battery RTC battery cable Figure 4-14 Removing the RTC battery 4-26 [CONFIDENTIAL] PORTÉGÉ R500 Maintenance Manual (960-634)

Section	Page
PORTEGE R500 Maintenance Manual	1
SAFETY PRECAUTIONS	3
Table of Contents	6
Chapter 1 Hardware Overview	11
Table of Contents	13
1.1 Features	15
1.2 System Unit Block Diagram	22
1.3 3.5-inch Floppy Disk Drive (USB External)	27
1.4 2.5-inch Hard Disk Drive	28
1.5 1.8-inch Hard Disk Drive	29
1.6 DVD-Super Multi Drive Optical Drive (ODD)	30
1.7 Keyboard	31
1.8 TFT Color Display	32
1.8.1 LCD Module	32
1.9 Power Supply	33
1.10 Batteries	36
1.10.1 Main Battery	36
1.10.2 Battery Charging Control	37
1.10.3 RTC battery	38
1.11 AC Adapter	39
Chapter 2 Troubleshooting Procedures	41
Table of Contents	43
2.1 Troubleshooting	47
2.2 Troubleshooting Flowchart	48
2.3 Power Supply Troubleshooting	52
2.4 System Board Troubleshooting	61
2.5 USB FDD Troubleshooting	77
2.6 HDD Troubleshooting	81
2.7 Keyboard and Dual point Troubleshooting	86
2.8 Display Troubleshooting	88
2.9 Optical Drive Troubleshooting	90
2.10 LAN Troubleshooting	92
2.11 Bluetooth Troubleshooting	93
2.12 Wireless LAN Troubleshooting	96
2.13 Sound Troubleshooting	99
2.14 SD card Slot Troubleshooting	101
2.15 Fingerprint sensor Troubleshooting	102
Chapter 3 Tests and Diagnostics	107
Table of Contents	109
3.1 The Diagnostic Test	113
3.1.1 Diagnostics menu	113
3.1.2 H/W (Hardware) initial information setting tool	115
3.1.3 Heatrun test program	115
3.2 Executing the Diagnostic Test	116
3.2.1 Diagnostics menu (T&D)	117
3.2.2 H/W initial information setting tool	120
3.2.3 Heatrun test program	120
3.3 Setting of the hardware configuration	121
3.4 Heatrun Test	123
3.5 Subtest Names	124
3.6 System Test	126
3.7 Memory Test	128
3.8 Keyboard Test	129
3.9 Display Test	130
3.10 Floppy Disk Test	133
3.11 Printer Test	135
3.12 Async Test	137
3.13 Hard Disk Test	138
3.14 Real Timer Test	141
3.15 NDP Test	143
3.16 Expansion Test	144
3.17 CD-ROM/DVD-ROM Test	146
3.18 Error Code and Error Status Names	147
3.19 Hard Disk Test Detail Status	150
3.20 ONLY ONE TEST	152
3.20.1 Program Description	152
3.20.2 Operations	152
3.21 Head Cleaning	161
3.21.1 Function Description	161
3.21.2 Operations	161
3.22 Log Utilities	162
3.22.1 Function Description	162
3.22.2 Operations	163
3.23 Running Test	164
3.23.1 Function Description	164
3.23.2 Operations	164
3.24 Floppy Disk Drive Utilities	165
3.24.1 Function Description	165
3.24.2 Operations	166
3.25 System Configuration	170
3.25.1 Function Description	170
3.25.2 Operations	171
3.26 Wireless LAN Test Program (Atheros)	172
3.27 Wireless LAN Test Program (Intel-made b/g, a/b/g Setting up of REF PC)	174
3.28 Wireless LAN Test Program on DUT PC(Intel-made)	179
3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program	187
3.29.1 LAN test	187
3.29.2 Modem test	190
3.29.3 Bluetooth test	191
3.29.4 IEEE1394 test	193
3.30 Sound Test program	194
3.31 BIOS SETUP	195
3.31.1 Function Description	195
3.31.2 Accessing the SETUP Program	197
Chapter 4 Replacement Procedures	211
Table of Contents	213
4.1 General	217
4.2 Battery pack	224
4.3 PC card	226
4.4 SD memory card	227
4.5 Memory module	228
4.6 Base cover assembly	231
4.7 PC card slot	234
4.8 Battery lock/Battery latch	236
4.9 Wireless LAN card	237
4.10 CPU fan assembly	239
4.11 RTC battery	242
4.12 DC-IN jack	244
4.13 Bluetooth module	245
4.14 HDD/SSD	247
4.14.1 2.5” HDD	248
4.14.2 1.8” HDD	249
4.14.3 SSD	251
4.15 Sound board/Internal microphone	253
4.16 ODD/SD board	255
4.17 USB board/Switch unit	258
4.18 System board	261
4.19 Speaker	264
4.20 Display portion	266
4.21 Touch pad/Fingerprint sensor board	270
4.22 Keyboard	273
4.23 LCD unit	275
4.24 Wireless LAN antenna/Bluetooth antenna	278
4.25 Hinge	280
Appendices	283
Table of Contents	285
Appendix A Handling the LCD Module	293
Appendix B Board Layout	299
B.1 System board (FMUSY*) Front View	299
B.2 System board (FMUSY*) Back View	301
B.3 Finger Sensor board (FMUFS*) View	303
B.4 SW board (FMUSW*) View	304
B.5 Jack board (FMUJA*) View	305
B.6 USB board (FMUUS*) View	306
B.7 SATA HDD FPC (FMUSH*) View	307
B.8 PATA HDD FPC (FMUPH*) View	308
B.9 Antenna board (FMUAT*) View	309
B.10 SD board (FMUSD*) View	310
B.11 ODD FPC (FMUOD*) View	311
B.12 SD board interface FPC (FMUSS*) View	312
Appendix C Pin Assignments	313
C.1 CN1460 SO-DIMM connector (200-pin)	313
C.2 CN1800 HDD interface connector (50-pin)	316
C.3 CN2110 PC Card interface connector (80-pin)	317
C.4 CN2150 Docking interface connector (64-pin)	319
C.6 CN2630 FMU3G* board interface connector (35-pin)	321
C.8 CN4100 LAN interface connector (8-pin)	322
C.11 CN4610 USB (PORT4) interface connector (4-pin)	324
C.12 CN5080 CRT interface connector (15-pin)	324
C.15 CN8800 DC-IN connector (4-pin)	326
C.16 CN8810 Battery connector (10-pin)	326
C.17 CN9300 RTC battery connector (3-pin)	326
C.20 CN9700 FMUSS* board interface connector (30-pin)	328
C.21 CN9800 FMUFS* board interface connector (6-pin)	329
C.22 CN9850 Membrane interface connector (24-pin)	329
C.23 CN9810 System board interface connector (6-pin)	330
C.24 CN9630 FMUUS* board interface connector (3-pin)	331
C.25 CN4620 USB (PORT6) interface connector (4-pin)	332
C.26 CN6050 Int-Microphone interface connector (2-pin)	332
C.27 CN6350 Speaker interface connector (2-pin)	332
C.30 J6310 Headphone interface connector (6-pin)	334
C.31 CN4630 USB (PORT0) interface connector (4-pin)	335
C.34 CN1810 System board interface connector (50-pin)	336
C.36 CN1830 System board interface connector (50-pin)	338
C.38 CN2671 ANT interface connector (3-pin)	340
C.41 CN1820 FMUOD* board interface connector (3-pin)	341
C.44 CN1810 ODD interface connector (50-pin)	343
C.46 CN9720 System board interface connector (30-pin)	345
Appendix D Keyboard Scan/Character Codes	347
Appendix E Key Layout	355
E.1 United Kingdom (UK) Keyboard	355
E.2 United States (US) Keyboard	355
E.3 Thai Keyboard	356
E.4 Canadian French Keyboard	356
Appendix F Wiring diagrams	357
F.1 RGB Monitor Loopback Connector	357
F.2 LAN Loopback Connector	357
Appendix G BIOS rewrite procedures	359
Appendix H EC/KBC rewrite procedures	361