IBM R50p Series manuals
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When we buy new device such as IBM R50p Series we often through away most of the documentation but the warranty.
Very often issues with IBM R50p Series begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Laptop IBM R50p Series is responsible for and what options to choose for expected result.
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278 pages 3.9 Mb
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual1836, 1840, 1841, 2883, 2887, 2888, 2889, 2894, 2895) 3 Contents Copyright IBM Corp. 2004 iii 4 iv5 About this manual Copyright IBM Corp. 2004 1 7 Introduction29 General descriptionsThe desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor Copyright IBM Corp. 2004 25 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 31 Related service informationThis section provides information about the following: v v v v General descriptions 27 Service web site Restoring the pre-installed systemRecovery to Factory Contents by using Product Recovery CDs 32 Passwords36 Power management38 Checkout guideTesting the computerThe ThinkPad computer has a test program called PC-Doctor Creating the PC-Doctor diagnostics diskette39 General descriptions 35The options on the test menu are as follows: 40 36v v v v v v v v v v v v v v v v v v v v v v WirelessLANUsethecursor keys and ESC to move in menus. PressENTERtoselect. InteractiveTests HardwareInfo Utility Quit F1=Help PC-DOCTOR2.0 Copyright2002PC-Doctor, Inc.All Rights Reserved. Checkout guide 41 Detecting system information with PC-DoctorPower system checkout42 Checking the ac adapter38(16-10V)Pin Voltage (V dc) 1 +15.5 to +17.0 2 Ground Checking operational charging Checking the battery packCheckout guide 5(-) 1(+)Terminal Voltage (V dc) 1 + 0 to + 12.6 5 Ground () 43 Checking the backup batteryCheckout guide 44 Red (+) Black (-)Wire Voltage (V dc) Red +2.5 to +3.2 Black Ground 40v v v replacement, replace the system board. 45 ThinkPad R50/R50p and R51 Series Copyright IBM Corp. 2004 41 46 4247 Product overviewThis section presents the following product-unique information: v v v v ThinkPad R50/R50p and R51 Series 43 (continued) Specifications 52 Status indicatorsThe system status indicators show the status of the computer, as follows: 482 7 8 9 1 2 3 4 5 6 7 8R Indicator Meaning 1 Wireless 53 (continued)ThinkPad R50/R50p and R51 Series 49R Product overview Indicator Meaning 8 Standby 54 FRU testsThe following table shows the test for each FRU. 50 56 Fn key combinations58 Symptom-to-FRU indexNumeric error codes 63 Error messagesThinkPad R50/R50p and R51 Series 59 64 Beep symptomsNo-beep symptoms 65 LCD-related symptomsThinkPad R50/R50p and R51 Series 61 Note: (white or color.) A dark dot means a pixel is always off (black color.)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 LCD assembly. Symptom-to-FRU index 66 Intermittent problemsUndetermined problems 67 FRU replacement noticesThinkPad R50/R50p and R51 Series 63 (Cross-section) Screw notices90degrees more 180degrees more 68 Retaining serial numbersThis section includes the following descriptions: v v v 64 Restoring the serial number of the system unit 69 Retaining the UUIDThinkPad R50/R50p and R51 Series 65 Reading or writing the ECA information 71 Removing and replacing a FRUThinkPad R50/R50p and R51 Series 67 72 1010 Battery pack73 1020 Ultrabay Enhanced device74 1030 Hard disk drive76 1040 DIMM (optional)For access, remove this FRU: 72 77 1050 KeyboardFor access, remove this FRU: ThinkPad R50/R50p and R51 Series 73 (continued) 1 1aScrew 1a is only for the models with 14.1-in. LCD. 78 7480 7681 1060 DIMM (standard)For access, remove these FRUs in order: v ThinkPad R50/R50p and R51 Series 77 82 1070 Modem daughter card (MDC/MDC-2)For access, remove these FRUs in order: v 78 84 1080 Bluetooth/Modem daughter card (BMDC/BMDC-2)For access, remove these FRUs in order: v 80 86 1090 Keyboard bezelFor access, remove these FRUs in order: v 82(continued) 2aScrew 2a is only for the models with 15.0-in. LCD.M2 3 mm, small-head, nylon-coated (3) (2.5 kgfcm) 2 2 M2 6 mm, bind-head, nylon-coated (4) (2.5 kgfcm) 2a M2 6 mm, bind-head, nylon-coated (1) Removing and replacing a FRU Step Icon Screw (quantity) Color Torque 3 3 87 ThinkPad R50/R50p and R51 Series 83M2 12 mm, bind-head, nylon-coated (3) (2.5 kgfcm) 4 4 M2 12 mm, bind-head, nylon-coated (2) (2.5 kgfcm) 5 5 M2 18.9 mm, special (1) Removing and replacing a FRU 88 8490 1100 Mini PCI adapter94 1110 Fan assembly For access, remove these FRUs in order: v v v 90(Bottom view of the fan assembly)1 M2 10 mm, flat-head, nylon-coated (3) Removing and replacing a FRU 95 1120 CPUThinkPad R50/R50p and R51 Series 91 96 1130 Backup batteryFor access, remove these FRUs in order: v v v 92When installing: 2 is firmly attached. 97 1140 Speaker assemblyFor access, remove these FRUs in order: v v v ThinkPad R50/R50p and R51 Series 93 (continued) In step 3 , release the speaker cables from the cable guide a . 98 9499 1150 IEEE 1394 cableFor access, remove these FRUs in order: v v v v v ThinkPad R50/R50p and R51 Series 95 (continued) Note Some models do not have the IEEE 1394 cable.Step Screw (quantity) Color Torque 4 M2 6 mm, bind-head, nylon-coated (1) 100 96102 1160 PC Card slots assemblyFor access, remove these FRUs in order: v v v v v v 98 104 1170 Ultrabay Enhanced shield kitFor access, remove these FRUs in order: v v v v 100 106 102108 104For models with M7-32 video chip: (continued)7 M2 12 mm, bind-head, nylon-coated (2) Removing and replacing a FRU Step Screw (quantity) Color Torque 9 M2 6 mm, bind-head, nylon-coated (1) 109 (continued)Removing and replacing a FRU ThinkPad R50/R50p and R51 Series 105 110 106111 1180 LCD assemblyFor access, remove these FRUs in order: v v v v (BMDC/BMDC-2) on page 80 v v ThinkPad R50/R50p and R51 Series 107 (continued)1 M2.5 4.8 mm, bind-head, nylon-coated (4) Removing and replacing a FRU Step Screw (quantity) Color Torque 2 M2 12 mm, bind-head, nylon-coated (1) 112 108Removing and replacing a FRU Step Screw (quantity) Color Torque 5 M2 6 mm, bind-head, nylon-coated (1) 113 (continued)(2.5 kgfcm) 7 M2 6 mm, bind-head, nylon-coated (1) ThinkPad R50/R50p and R51 Series 109Removing and replacing a FRU 114 110115 1190 VGA and Ultrabay Enhanced device eject button cableFor access, remove these FRUs in order: v v v v v v v ThinkPad R50/R50p and R51 Series2 M2 4 mm, flat-head, nylon-coated (1) When installing: Make sure that the connector 1 is firmly attached. (continued)Removing and replacing a FRU 116 112118 1200 System board, interposer card, and base cover125 2010 LCD front bezelThinkPad R50/R50p and R51 Series 121 (continued)cap Screw (quantity) Color Torque 1 M2.5 4.8 mm, bind-head, nylon-coated (3) Removing and replacing a FRU 126 122127 2020 Inverter card128 124130 126132 128Remove the hinges ( b ) from the LCD assembly. (continued) 133 (continued)ThinkPad R50/R50p and R51 Series 129 134 130136 132138 3010 ThinkPad Dock II PCI cover139 3020 ThinkPad Dock II top cover(Rear view) ThinkPad R50/R50p and R51 Series 135 (continued)1 M2.5 4.8 mm (3) 0.392 Nm 2 M2.5 4.8 mm (4) 0.392 Nm Removing and replacing a FRU (Bottom view) 140 136142 Locations Front view144 Rear view145 Bottom viewThinkPad R50/R50p and R51 Series 141 146 Parts list R50/R50p and R51 series model matrix193 Overall240 LCD FRUs258 AC adapters259 KeyboardThinkPad R50/R50p and R51 Series 255 Table 2. Keyboards for 14.1-in. LCD models 260 256261 Recovery CDs269 Miscellaneous parts273 Optional FRUsThinkPad R50/R50p and R51 Series 269 274 Common parts list276 NoticesTrademarks 278
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