IBM ThinkPad 340 Series Hardware Maintenance Manual

Also see for 360: Specifications Hardware Maintenance Manual Operating guide User guide Manual

ThinkPad 700, 700C, 720, 720C(9552)General Checkout . . . . . . . . . . . . . . . . . 68Memory Checkout . . . . . . . . . . . . . . . 70Power Systems Checkout . . . . . . . . . . . 71Power Management Features . . . . . . . . . 81Symptom-to-FRU Index . . . . . . . . . . . . . . 82Numeric Error Codes . . . . . . . . . . . . . . 82Beep Symptoms . . . . . . . . . . . . . . . . 88Miscellaneous Symptoms . . . . . . . . . . . 89Undetermined Problem . . . . . . . . . . . . . 93Related Service Procedures . . . . . . . . . . . . 94System Status Indicators . . . . . . . . . . . . 94Check Point (CP) Codes . . . . . . . . . . . . 96System Error Log . . . . . . . . . . . . . . . 96Checking the Installed Devices List . . . . . . . 97Power-On Password (700, 700C) . . . . . . . . 97Power-On Password (720, 720C) . . . . . . . . 97Privileged-Access Password (PAP) . . . . . . . 97Set Startup Sequence . . . . . . . . . . . . . 98Restore System Partition . . . . . . . . . . . . 98Hard Disk Low Level Format . . . . . . . . . . 99Replacing the Hard Disk Drive . . . . . . . . . 99System Diskettes (Reference and Diagnostic) . 100Making a System Partition Backup Copy . . . 101Japanese Model Diskette Drive and Diskette . 102173 and 11350 Error Combination . . . . . . 102PCMCIA Card Removal Tip . . . . . . . . . 102Product Overview . . . . . . . . . . . . . . . . 102FRU Removals and Replacements . . . . . . . . 104Locations . . . . . . . . . . . . . . . . . . . . 110Front View . . . . . . . . . . . . . . . . . 110System Board (700) . . . . . . . . . . . . . 111System Board (720, 720C) . . . . . . . . . . 112Video Card . . . . . . . . . . . . . . . . . 113Keyboard Control Card . . . . . . . . . . . . 113Voltage Converter . . . . . . . . . . . . . . 114Parts Listing (700) . . . . . . . . . . . . . . . 115Parts Listing (720, 720C) . . . . . . . . . . . . 118FRU Service Procedures . . . . . . . . . . . 124 Copyright IBM Corp. 1995 67