Lenovo MT 1874 manuals
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222 pages 4.27 Mb
ThinkPad Computer Hardware Maintenance Manual 3 Contents Lenovo 2005. Portions IBM Corp. 2005. iii 4 iv7 About this manualThis manual contains service and reference information for ThinkPad Lenovo 2005. Portions IBM Corp. 2005. 1 9 Introduction35 General descriptionsThe desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor Lenovo 2005. Portions IBM Corp. 2005. 29 program. Some descriptions might not apply to your particular computer. Read this firstBefore you go to the checkout guide, be sure to read this section. What to do first 37 Related service informationThis section provides information about the following: v Service Web site v v v General descriptions 31 Service Web site Restoring the pre-installed systemRecovery to Factory Contents by using Product Recovery CDs 38 Passwords41 Power management44 Checkout guideTesting the computerCreating the PC-Doctor diagnostics diskette 47 Detecting system information with PC-Doctor48 Power system checkout42 Checking the ac adapterPin Voltage (V dc) 1 +15.5 to +17.0 2 Ground Checkout guide 49 Checking operational chargingGeneral descriptions 43 1(+) 5(-) Checking the battery packTerminal Voltage (V dc) 1 + 0 to + 12.6 5 Ground () Checkout guide 50 Checking the backup battery44 Red (+) Black (-)Wire Voltage (V dc) Red +2.5 to +3.2 Black Ground v v v replacement, replace the system board. 51 ThinkPad T43 Series Lenovo 2005. Portions IBM Corp. 2005. 45 52 4653 Product overviewThis section presents the following product-unique information: v v v v ThinkPad T43 Series 47 (continued) SpecificationsThe following table lists the specifications of the ThinkPad T43 series: 54 48 56 Status indicatorsThe system status indicators show the status of the computer, as follows: 50Indicator Meaning 1 Ultrabay Slim status 57 (continued)ThinkPad T43 Series 51Product overview Indicator Meaning 5 Drive in use 58 5259 FRU testsThe following table shows the test for each FRU. ThinkPad T43 Series 53 (continued) 60 5461 Fn key combinationsThinkPad T43 Series 55 (continued)combination Product overview Key combination 62 5664 Symptom-to-FRU indexNumeric error codes0175 Bad CRC1, stop POST taskThe EEPROM checksum is not correct. System board. 0176 System SecurityThe system has been tampered with. Symptom-to-FRU index 65 ThinkPad T43 Series 5966 60 68 Error messages70 Beep symptomsNo-beep symptoms 71 LCD-related symptomsThinkPad T43 Series 65No 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 LCD assembly. Symptom-to-FRU index 72 Intermittent problemsUndetermined problems 73 FRU replacement noticesThinkPad T43 Series 67 (Cross-section) Screw notices90degrees more 180degrees more 74 Retaining serial numbersThis section includes the following descriptions: v v v 68 Restoring the serial number of the system unit 75 Retaining the UUIDReading or writing the ECA information 77 Removing and replacing a FRU78 1010 Battery pack (14.1-in. LCD models)72ThinkPad T43 Series 73 79 a b 80 1020 Battery pack (15.0-in. LCD models)81 1030 Ultrabay Slim device82 1040 Hard disk drive76(continued) v Note:Removing and replacing a FRU 84 1050 DIMM (optional)86 1060 KeyboardFor access, remove this FRU: v 80(continued) 1aNote: Screw 1a is only for the models with 14.1-in. LCD. Other models do not have this screw.M2 10 mm, flat-head, nylon-coated (3) (2.5 kgfcm) 1a M2 10 mm, flat-head, nylon-coated (1) Removing and replacing a FRU 87 ThinkPad T43 Series 81When installing: 1. Attach the connector 1. 88 8290 1070 DIMM (standard)For access, remove these FRUs in order: v v 84 91 1080 Modem daughter card (MDC-2)For access, remove these FRUs in order: v v ThinkPad T43 Series 85 Turn the card over 3 , and detach the modem connector 4. 92 8693 1090 Bluetooth /Modem daughter card (BMDC-3)For access, remove these FRUs in order: v v ThinkPad T43 Series 87 94 8895 1100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)For access, remove these FRUs in order: v v ThinkPad T43 Series 89 3a 3 11 1 1 96 9098 1110 Keyboard bezel or Keyboard bezel with fingerprint reader (15.0-in. LCD models)For access, remove these FRUs in order: v v 92(continued) M2 5 mm, flat-head, nylon-coated (6) Removing and replacing a FRU Step Icon Screw (quantity) Color Torque 2 2 99 ThinkPad T43 Series 93M2 14 mm, bind-head, nylon-coated (6) Removing and replacing a FRU 100 94102 96104 1120 Mini PCI adapter106 1130 Fan assembly110 1140 Backup battery112 1150 Speaker assembly1a 1b 106Step Screw (quantity) Color Torque 1a M2 10 mm, flat-head, nylon-coated (2) (2.5 kgfcm) 1b Step Screw (quantity) Color Torque 1a M2 10 mm, bind-head, nylon-coated (1) (2.5 kgfcm) 1b M2 14 mm, flat-head, nylon-coated (1) Removing and replacing a FRU 113 In step 3 , release the speaker cables from the cable guide.ThinkPad T43 Series 107 114 1160 Keyboard bezel (14.1-in. LCD models)1 M2 19 mm, bind-head, nylon-coated (2) 108 116 1170 PC Card/ExpressCard slots (14.1-in. LCD models)118 1180 PC Card/ExpressCard slots (15.0-in. LCD models)1 M2 5 mm, flat-head, nylon-coated (2) 112 120 1190 LCD assembly (14.1-in. LCD models)114(continued)1 M2.5 4.8 mm, bind-head, nylon-coated (4) Removing and replacing a FRU Step Screw (quantity) Color Torque 2 M2 14 mm, bind-head, nylon-coated (1) Removing and replacing a FRU 121 ThinkPad T43 SeriesStep Screw (quantity) Color Torque 5 M2 10 mm, flat-head, nylon-coated (1) 122 116124 118125 1200 LCD assembly (15.0-in. LCD models)ThinkPad T43 Series (continued)Step Screw (quantity) Color Torque 2 M2 12 mm, flat-head, nylon-coated (1) 126 120Removing and replacing a FRU Step Screw (quantity) Color Torque 4 M2 10 mm, flat-head, nylon-coated (3) 127 (continued)Removing and replacing a FRU ThinkPad T43 Series 121 Release the antenna cables from the cable guide 5 . 128 122130 1210 CPU131 1220 Ultrabay Slim guide rail assembly (14.1-in. LCD models)ThinkPad T43 Series 125 (continued)1 M2 14 mm, bind-head, nylon-coated (1) (2.0 kgfcm) 2 M2 4 mm, bind-head, nylon-coated (1) Removing and replacing a FRU Step Screw (quantity) Color Torque 3 M2 10 mm, flat-head, nylon-coated (3) 132 126(2.5 kgfcm) 4 M2 3 mm, small-head, nylon-coated (3) Removing and replacing a FRU 133 1230 Ultrabay Slim guide rail assembly (15.0-in. LCD models)ThinkPad T43 Series 127 (continued)1 M2 5 mm, flat-head, nylon-coated (2) (2.0 kgfcm) 2 M2 14 mm, bind-head, nylon-coated (1) Removing and replacing a FRU Step Screw (quantity) Color Torque 3 M2 10 mm, flat-head, nylon-coated (5) 134 128136 1240 VGA and Ultrabay Slim device eject button cable138 1250 System board and base cover (14.1-in. LCD models)146 1260 System board, interposer card, and base cover (15.0-in. LCD models)140 148 142150 1444 cStep Screw (quantity) Color Torque 4 M2 10 mm, flat-head, nylon-coated (1) (2.5 kgfcm) 5 M2.5 4.8 mm, bind-head, nylon-coated (1) Removing and replacing a FRU 151 eStep Screw (quantity) Color Torque 8 M2 4 mm, bind-head, nylon-coated (3) ThinkPad T43 Series 145 Removing and replacing a FRU 10 f g 12 13 152 146154 2010 LCD front bezel (14.1-in. LCD models)cap 148Screw (quantity) Color Torque 1 M2 3 mm, pan-head, nylon-coated (2) (2.5 kgfcm) 2 M2.5 4.8 mm, bind-head, nylon-coated (3) (4 kgfcm) 3 M2 3 mm, pan-head, nylon-coated (6) Removing and replacing a FRU 155 ThinkPad T43 Series 149 156 2020 LCD front bezel (15.0-in. LCD models)150(continued)cap Screw (quantity) Color Torque 1 M2 4 mm, bind-head, nylon-coated (4) Removing and replacing a FRU 158 2030 Inverter card (14.1-in. LCD models)160 2040 Inverter card (15.0-in. LCD models)Peel the tape securing the Bluetooth wireless antenna assembly 3 . 162 156164 158Removing and replacing a FRU 165 14ThinkPad T43 Series 159 (continued) 13 10a 12 10bRemove the antenna assembly a and hinges b from the LCD assembly. 166 16015 16 17 17 19 1816 M2 3 mm, small-head, nylon-coated (4) 2018 M2 3 mm, small-head, nylon-coated (2) Removing and replacing a FRU 167 (continued)ThinkPad T43 Series 161 Remove the right latch from the LCD cover. 168 162170 164172 166174 168175 ThinkPad T43 Series 169(continued)1 M2 4 mm, bind-head, nylon-coated (7) Removing and replacing a FRU 176 170(continued) 177 (continued)ThinkPad T43 Series 171bStep Screw (quantity) Color Torque 6 M2 3 mm, bind-head, nylon-coated (4) Removing and replacing a FRU 178 172When installing: firmly attached to the LCD panel. (continued) 179 911 10b 12 9 d 10a9 M2 4 mm, bind-head, nylon-coated (2) Removing and replacing a FRU 180 174182 3010 ThinkPad Dock II PCI cover183 3020 ThinkPad Dock II top cover(Rear view) ThinkPad T43 Series 177 (continued) (Bottom view) 184 178186 Locations Front view188 Rear view189 Bottom view190 Parts list191 Overall200 14.1-in. LCD FRUs202 15.0-in. LCD FRUs205 KeyboardKeyboards for 15.0-in. LCD models ThinkPad T43 Series 199 (continued) 206 200208 202209 Recovery CDs211 Miscellaneous parts(continued) ThinkPad T43 Series 205 212 206214 AC adapters215 Optional FRUsID Hard disk drive, 80 GB, 9.5 mm, 4200 rpm, IBM STD ThinkPad T43 Series 20902K7086 * 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 Parts list 216 Common parts list219 NoticesThinkPad T43 Series 213 Notices 220 214221 Trademarks
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