HP (Hewlett-Packard) L1798A Projector User Manual


 
Table of Contents
Introduction HP MDTV Product Information
Why HP High Definition? ...........................................................................................................4
Wobulation .................................................................................................................................5
Industrial Design ........................................................................................................................6
MDTV Features..........................................................................................................................7
Model Information ......................................................................................................................8
Accessories................................................................................................................................9
Model Specifications ................................................................................................................10
Chapter 1 Technical Specifications...................................................................................................11
Chapter 2 Disassembly Procedure
Tools Needed...........................................................................................................................20
Disassemble Lamp Module......................................................................................................21
Disassemble Rear cover & Power Supply Module ..................................................................23
Disassemble System Fan, Main Board Module & Amplifier Board..........................................26
Disassemble Engine module ...................................................................................................30
Disassemble Speakers & Keypad Board.................................................................................34
Chapter 3 Troubleshooting
Main Procedure........................................................................................................................35
Power Troubleshooting ............................................................................................................36
Image Performance Troubleshooting.......................................................................................38
Sound Troubleshooting............................................................................................................39
Remote Control Troubleshooting.............................................................................................40
Chapter 4 Alignment & Function Test Procedure
Hot Key ....................................................................................................................................41
Function Test ...........................................................................................................................41
ADC Calibration .......................................................................................................................45
Optical Alignment.....................................................................................................................46
Chapter 5 Upgrade Procedure
Equipment Needed ..................................................................................................................47
USB Upgrade Function Overview............................................................................................47
USB Flash Disk Usage ............................................................................................................47
Upgrade LED Indication...........................................................................................................48
USB Upgrade Procedure .........................................................................................................49
Error Handling..........................................................................................................................49
Chapter 6 EDID Upgrade Procedure
Tools Needed...........................................................................................................................50
Setup Procedure ......................................................................................................................50
Notice .......................................................................................................................................56
Appendix A Exploded Overviews and Parts Lists .......................................................................................58
Appendix B System Serial Number Definition.............................................................................................74
Appendix C Glossary ................................................................................................................................75
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