HP Presario 1900 Presario 1900 Series Maintenance and Service Guide - Page 80

Maintenance & Service Guide Presario 1900 Series Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920, 1922, 1925, 1926, 1927, 1928, 1929, and 1930 Before You Begin Removal Sequence Product Description Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Removal and Replacement Procedures Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for Disassembly Battery Pack Hard Drive Keyboard Memory Module Modem Heatspreader Processor Display Panel Assembly Upper CPU Cover with Palmrest and TouchPad Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly Disassembling the Wedge DVD or CD Drive System to Wedge Interface Board Diskette Drive Wedge to Port Replicator Interface Board How to use Processor Jig Lock Processor Step 1 Locking the Processor Refer to the illustrations at left to verify. Follow these steps to lock processor: 1. Place the Jig Block on the CPU frame in the lower righthand corner. Make sure that the block is fully seated. The handle must be at a 45 degree angle (as illustrated) when installing the Jig block. 2. Twist handle 90 degrees clockwise to unlock processor. To unlock processor Lock Processor Step 2