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Lenovo T41/T41P, T42/T42P ThinkPad T40/T40p, T41/T41p, T42/T42p Series 137

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Important notice for handling the system board in

ThinkPad T40 series:

There are two types of system board FRU for the

ThinkPad T40 series, as follows:

v System board with the security chip (bottom view)

Note: The security chip a is embedded on the

underside of the system board.

Removing and replacing a FRU

ThinkPad T40/T40p, T41/T41p, T42/T42p Series 137

Contents

Main ThinkPad Computer Hardware Maintenance Manual 2375 2376/2378/2379 Page Contents Lenovo 2006. Portions IBM Corp. 2006. iii iv Contents v Page About this manual This manual contains service and reference information for ThinkPad Lenovo 2006. Portions IBM Corp. 2006. 1 Page Introduction Important service information Lenovo 2006. Portions IBM Corp. 2006. 3 Strategy for replacing FRUs Strategy for replacing a hard disk drive How to use error messages Diskette compatibility matrix Diskette capacity Safety notices: multilingual translations Important service information Safety notice 1 Introduction 5 Safety notice 2 6 (continuation of safety notice 2) Introduction 7 Safety notice 3 8 (continued) Introduction 9 Safety notice 4 10 (continuation of safety notice 4) Introduction Safety notice 5 12 Safety notice 6 Introduction 13 Safety notice 7 14 Safety notice 8 Introduction 15 Safety information 16 General safety Introduction 17 Electrical safety Observe the following rules when working on electrical equipment. 18 Safety inspection guide Introduction 19 Handling devices that are sensitive to electrostatic discharge 20 Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Introduction 21 Laser compliance statement 22 CAUTION: Introduction 23 24 General descriptions The desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor Lenovo 2006. Portions IBM Corp. 2006. 25 Some descriptions might not apply to your particular computer. Read this first 26 Read this first Related service information This section provides information about the following: v Service Web site v v v General descriptions 27 Service Web site Restoring the pre-installed system Passwords 28 General descriptions 29 How to remove the power-on password How to remove the hard-disk password 30 Page Power management 32 Screen blank mode Standby mode Hibernation mode 34 Checkout guide General descriptions 35 Testing the computer Creating the PC-Doctor diagnostics diskette 36 Page Detecting system information with PC-Doctor Hardware Info 38 Utility Power system checkout General descriptions 39 (16-10V) Checking the ac adapter Pin Voltage (V dc) 1 +15.5 to +17.0 2 Ground Checking operational charging 40 1(+) 5(-) Checking the battery pack Checking the backup battery General descriptions 41 Red (+) Black (-) Wire Voltage (V dc) Red +2.5 to +3.2 Black Ground v v v replacement, replace the system board. Page ThinkPad T40/T40p, T41/T41p, T42/T42p Series Lenovo 2006. Portions IBM Corp. 2006. 43 44 Product overview This section presents the following product-unique information: v v v v ThinkPad T40/T40p, T41/T41p, T42/T42p Series 45 (continued) Specifications 46 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 47 48 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 49 Status indicators The system status indicators show the status of the computer, as follows: 50 Indicator Meaning 1 Ultrabay Slim status (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 51 Product overview Indicator Meaning 5 Drive in use 52 R Product overview FRU tests The following table shows the test for each FRU. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 53 (continued) Product overview Fn key combinations 54 (continued) Product overview Key combination (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 55 Product overview Key combination 56 Product overview Key combination ThinkPad T40/T40p, T41/T41p, T42/T42p Series 57 Product overview Symptom-to-FRU index 58 Numeric error codes 0175 Bad CRC1, stop POST taskThe EEPROM checksum is not correct. System board. 0176 System SecurityThe system has been tampered with. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 59 60 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 61 Error messages 62 Beep symptoms No-beep symptoms ThinkPad T40/T40p, T41/T41p, T42/T42p Series 63 LCD-related symptoms 64 No beep, power-on indicator on, and a blank LCD during POST. System board. v v v adjusted. v adjusted. 1. Reseat the LCD connectors. 2. LCD assembly. 3. System board. v v v v Intermittent problems ThinkPad T40/T40p, T41/T41p, T42/T42p Series 65 Undetermined problems FRU replacement notices 66 (Cross-section) Screw notices 90degrees more Retaining serial numbers ThinkPad T40/T40p, T41/T41p, T42/T42p Series 67 This section includes the following descriptions: v v v Restoring the serial number of the system unit Retaining the UUID 68 Reading or writing the ECA information ThinkPad T40/T40p, T41/T41p, T42/T42p Series 69 Removing and replacing a FRU 70 1010 Battery pack for 14.1-in. LCD models (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 71 72 a b 1020 Battery pack for 15.0-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 73 1030 Ultrabay Slim device 74 1040 Hard disk drive ThinkPad T40/T40p, T41/T41p, T42/T42p Series 75 (continued) v Note: 76 1050 DIMM (optional) For access, remove this FRU: v ThinkPad T40/T40p, T41/T41p, T42/T42p Series 77 (continued) Note: 78 1060 Keyboard For access, remove this FRU: v ThinkPad T40/T40p, T41/T41p, T42/T42p Series 79 (continued) 1 3 80 When installing: 1. Attach the connector 1. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 81 (continued) 82 b b 1070 DIMM (standard) For access, remove these FRUs in order: v v ThinkPad T40/T40p, T41/T41p, T42/T42p Series 83 1080 Modem daughter card (MDC/MDC-2) For access, remove these FRUs in order: v v 84 Turn the card over 3 , and detach the modem connector 4. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 85 1090 Bluetooth /Modem daughter card (BMDC/BMDC-2) For access, remove these FRUs in order: v v 86 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 87 1100 Palm rest or Palm rest with fingerprint sensor (for 14.1-in. LCD models) For access, remove these FRUs in order: v v 88 3a 3 11 1 1 (continued) 2 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 89 Step Icon Screw cap 90 1110 Keyboard bezel or Keyboard bezel with fingerprint sensor (for 15.0-in. LCD models) For access, remove these FRUs in order: v v ThinkPad T40/T40p, T41/T41p, T42/T42p Series 91 (continued) 1 1 92 M2 14 mm, bind-head, nylon-coated (6) Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 93 (continued) 94 3. Attach the touch pad connector 4. (continued) 5. Attach the keyboard. (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 95 96 1120 Mini PCI adapter ThinkPad T40/T40p, T41/T41p, T42/T42p Series 97 (continued) 98 MAIN AUX MAIN ThinkPad T40/T40p, T41/T41p, T42/T42p Series 99 MAIN AUX AUX 100 MAIN AUX 1130 Fan assembly ThinkPad T40/T40p, T41/T41p, T42/T42p Series 101 (continued) 102 2 a 2b ThinkPad T40/T40p, T41/T41p, T42/T42p Series 103 (continued) 2a 104 When installing: marked a as in the following figures. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 105 Figure 3. Fan assembly, long M10 Figure 1. Fan assembly, short Figure 2. Fan assembly, long 1140 Backup battery for 14.1-in. LCD models 106 When installing: 2 is firmly attached. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 107 1150 Backup battery for 15.0-in. LCD models 108 When installing: 2 is firmly attached. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 109 1160 Speaker assembly 110 In step 3 , release the speaker cables from the cable guide. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 1170 Keyboard bezel for 14.1-in. LCD models 1 M2 19 mm, bind-head, nylon-coated (2) 112 Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 1180 PC Card slot assembly for 14.1-in. LCD models 1 M2 4 mm, bind-head, nylon-coated (2) 114 Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 1190 PC Card slot assembly for 15.0-in. LCD models 1 M2 5 mm, flat-head, nylon-coated (2) 116 Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 1200 LCD assembly for 14.1-in. LCD models 1 M2.5 4.8 mm, bind-head, nylon-coated (4) 118 Removing and replacing a FRU Step Screw (quantity) Color Torque 2 M2 14 mm, bind-head, nylon-coated (1) ThinkPad T40/T40p, T41/T41p, T42/T42p Series Step Screw (quantity) Color Torque 5 M2 10 mm, flat-head, nylon-coated (1) 120 Removing and replacing a FRU Release the antenna cables from the cable guide 6 . When installing: correctly routed and securely in place. (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 121 122 1210 LCD assembly for 15.0-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 123 (continued) Step Screw (quantity) Color Torque 2 M2 12 mm, flat-head, nylon-coated (1) 124 Removing and replacing a FRU (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 125 Release the antenna cables from the cable guide 5 . 126 When installing: correctly routed and securely in place. (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 127 1220 CPU 128 b a 1230 Ultrabay Slim guide rail assembly for 14.1-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 129 (continued) 1 M2 14 mm, bind-head, nylon-coated (1) (2.0 kgfcm) 2 M2 4 mm, bind-head, nylon-coated (1) 130 (2.5 kgfcm) 4 M2 3 mm, small-head, nylon-coated (3) Removing and replacing a FRU 1240 Ultrabay Slim guide rail assembly for 15.0-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 131 (continued) 1 M2 5 mm, flat-head, nylon-coated (2) (2.0 kgfcm) 2 M2 14 mm, bind-head, nylon-coated (1) 132 (2.5 kgfcm) 4 M2 4 mm, bind-head, nylon-coated (2) Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 133 1250 VGA and Ultrabay Slim device eject button cable 134 Step Screw (quantity) Color Torque 4 M2 4 mm, bind-head, nylon-coated (1) When installing: Make sure that the connector 1 is firmly attached. Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 135 1260 System board and base cover for 14.1-in. LCD models 136 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 137 v 138 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 139 140 computer while the test is running. When installing: Make sure that the connectors 2 are firmly attached to the system board. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 141 (continued) 4 M2 10 mm, flat-head, nylon-coated (1) (2.5 kgfcm) 5 M2.5 4 mm, bind-head, nylon-coated (1) 142 (2.5 kgfcm) 7 M2 10 mm, flat-head, nylon-coated (1) Removing and replacing a FRU Gold 0.392 Nm Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 143 144 b a 1270 System board, interposer card, and base cover for 15.0-in. LCD models 146 computer while the test is running. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 147 Remove the support structure a and the EMI bracket b. 148 3 (continued) a 1 5 4 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 149 c Step Screw (quantity) Color Torque 4 M2 10 mm, flat-head, nylon-coated (1) 150 Step Screw (quantity) Color Torque 8 M2 4 mm, bind-head, nylon-coated (3) Removing and replacing a FRU 10 f g 12 13 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 151 Gold 0.392 Nm Removing and replacing a FRU 152 b a 2010 LCD front bezel for 14.1-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 153 (continued) cap Screw (quantity) Color Torque 1 154 21 mm 7 mm 2020 LCD front bezel for 15.0-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 155 (continued) cap Screw (quantity) Color Torque 1 156 21 mm 7 mm 2030 Inverter card for 14.1-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 157 1 M2 3 mm, small-head, nylon-coated (1) When installing: Make sure that connectors 2 and 3 Removing and replacing a FRU 158 2040 Inverter card for 15.0-in. LCD models ThinkPad T40/T40p, T41/T41p, T42/T42p Series 159 When installing: Make sure that connectors 2 and 3 Cable routing: When replacing the inverter card, route the connector cable as in this figure: 160 Peel the tape securing the Bluetooth wireless antenna assembly 3 . 4 M2 2.7 mm, small-head, nylon-coated (2) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 161 (continued) Yellow 0.245 Nm 162 (continued) Step Screw (quantity) Color Torque 9 M2 3 mm, small-head, nylon-coated (1) (continued) Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 163 164 14 (continued) 13 10a Remove the antenna assembly a and hinges b from the LCD assembly. 15 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 165 (continued) 16 17 17 166 (continued) Remove the right latch from the LCD cover. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 167 168 95.5 mm ThinkPad T40/T40p, T41/T41p, T42/T42p Series 169 68.5 mm 41.5 mm 170 b. 4 4 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 171 (continued) c. 172 e. Slide the spiral tube in the direction shown by arrow 7. (continued) 8a ThinkPad T40/T40p, T41/T41p, T42/T42p Series 173 174 10 mm 22 mm 16 mm ThinkPad T40/T40p, T41/T41p, T42/T42p Series 175 (continued) 1 M2 4 mm, bind-head, nylon-coated (7) Removing and replacing a FRU 176 (continued) 6 6 (continued) 6b 67 7 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 177 b Step Screw (quantity) Color Torque 6 M2 3 mm, bind-head, nylon-coated (4) 178 9 11 10b 12 9 d ThinkPad T40/T40p, T41/T41p, T42/T42p Series 179 10a 9 M2 4 mm, bind-head, nylon-coated (2) 180 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 181 3010 ThinkPad Dock II PCI cover (Bottom view) 182 3020 ThinkPad Dock II top cover (Rear view) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 183 (continued) 1 M2.5 4.8 mm (3) 0.392 Nm 184 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 185 Locations Front view 186 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 187 Rear view 188 3 4 5 Bottom view ThinkPad T40/T40p, T41/T41p, T42/T42p Series 189 Locations Parts list 190 Overall a e b f c d 192 91P8685 N 91P8682 N 91P8683 N Parts list (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 193 194 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 195 196 92P6342 * Parts list (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 197 198 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 199 200 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 201 202 (continued) 13N5542 N ThinkPad T40/T40p, T41/T41p, T42/T42p Series 203 Parts list 204 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 205 206 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 207 208 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 209 210 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 211 212 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 213 214 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 215 216 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 217 218 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 219 14.1-in. LCD FRUs b 220 e d 14.1-in. XGA TFT ThinkPad T40/T40p, T41/T41p, T42/T42p Series 221 (continued) 13R2569 N Parts list 222 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 223 224 Parts list ThinkPad T40/T40p, T41/T41p, T42/T42p Series 225 14.1-in. SXGA+ TFT 226 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 227 228 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 229 15.0-in. LCD FRUs 230 15.0-in. XGA TFT ThinkPad T40/T40p, T41/T41p, T42/T42p Series 231 15.0-in. SXGA+ IPS TFT 232 ThinkPad T40/T40p, T41/T41p, T42/T42p Series 233 15.0-in. UXGA IPS TFT 234 Keyboard ThinkPad T40/T40p, T41/T41p, T42/T42p Series 235 Table 2. Keyboards for 14.1-in. LCD models 236 Recovery CDs Windows XP Professional (for T40/T40p series) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 237 Parts list Windows XP Professional (for T41/T41p series) 238 Parts list Windows XP Professional (for T42/T42p series) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 239 240 Windows 2000 (for T40/T40p series) Windows 2000 is preinstalled as the operating system in the following models: v ThinkPad T40/T40p, T41/T41p, T42/T42p Series 241 Windows 2000 (for T41 series) Windows 2000 is preinstalled as the operating system in the following models: v 242 Windows XP Home Edition (for T42/T42p series) Miscellaneous parts (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 243 244 (continued) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 245 AC adapters 246 Optional FRUs ThinkPad T40/T40p, T41/T41p, T42/T42p Series 247 02K7086 * AC adapter (2 pin, 120 W), LITEON for ThinkPad Mini Dock 02K7092 * AC adapter (3 pin, 120 W), LITEON for ThinkPad Mini Dock 02K7094 * AC adapter (3 pin, 120 W), LITEON for ThinkPad Mini Dock Common parts list Tools 248 Power cords (system) ID Canada, U.S. 13H5264 * Japan 74P4331 Argentina 36L8870 Brazil 49P2095 Power cords (ThinkPad Dock II) ThinkPad T40/T40p, T41/T41p, T42/T42p Series 249 Notices 250 Notices Notices ThinkPad T40/T40p, T41/T41p, T42/T42p Series 251 Trademarks 252