L7089 / L7189 6.1 Repair introduction 27 6.2 Mechanical repairs 27 6.3 Basic modular troubleshooting 27 6.4 Software Upgrade 30 6.5 Flexing 30 6.6 Testing on HP 8922 31 6.7 Testing IrDA Port 31 6.8 Testing on Go / NoGo Tester 32 SECTION 7: ACCESSORIES 7.1 Accessory Statement 34 7.2 Mid Rate Charger Information 34 7.3 Accessory Listing 35 SECTION 8: GLOSSARY OF TERMS 8.1 List of Abbreviations 37 of 48 European Customer Services iii