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Contents
SERVICE MANUAL ................................................................................. 1
Contents .................................................................................................. 2
Safety Instructions ............................................................................... 3
Safety Precautions ............................................................................ 3
Product Safety Notice ..................................................................... 3
Service Personnel Warning ........................................................... 3
Battery Replacement Notice......................................................... 3
Specifications ......................................................................................... 4
Circuit Protections ................................................................................ 5
Fuse........................................................................................................ 5
Lamp cover switch ........................................................................... 6
Thermal switch .................................................................................. 6
Warning temperature and power failure protection ........... 7
Maintenance and Cleaning ............................................................... 8
Cleaning the Air Filter ..................................................................... 8
Resetting the Filter Counter ......................................................... 8
Cleaning the Projector Window .................................................. 9
Cleaning .............................................................................................10
Lamp Replacement ............................................................................11
Lamp Replacement .......................................................................11
Lamp Replacement Counter Reset ..........................................12
How to check Lamp Used Time .................................................13
Security Function Notice .................................................................14
Security Function Disable ............................................................14
Antitheft Alarm Function Disable .............................................14
Network Easy Setup Function ........................................................16
Mechanical Disassembly..................................................................20
Optical Parts Disassembly ...............................................................37
Optical Parts Location and Direction ..........................................43
Adjustments .........................................................................................44
Adjustments after Parts Replacement ....................................44
Note on Main board Replacement ...........................................44
Note on Memory IC Replacement ............................................44
Optical Adjustments .........................................................................45
Contrast adjustment......................................................................45
Integrator lens adjustment .........................................................46
Relay lens-Out adjustment .........................................................47
Projection Lens focus adjustment ............................................48
Electrical Adjustments ......................................................................50
Service Adjustment Menu Operation .....................................50
Circuit Adjustments .......................................................................51
Test Points and Locations ............................................................54
Service Adjustment Data Table .................................................55
Chassis Block Diagram ......................................................................71
Chassis over view ............................................................................71
System control .................................................................................72
Lamp control ....................................................................................73
Audio circuit .....................................................................................74
Power supply & protection circuit ............................................75
Fan control circuit ...........................................................................76
Alarm circuit .....................................................................................77
IIC bus control circuit ....................................................................78
Network (MCI) circuit ....................................................................79
Troubleshooting .................................................................................80
Indicators and Projector Condition ..........................................80
No Power ...........................................................................................81
No Picture ..........................................................................................82
No Sound ...........................................................................................83
Control Port Functions .....................................................................84
Scaler I/O Port Functions (PW190) ...........................................84
IC Block Diagrams...............................................................................86
Electrical Parts List .............................................................................90
Electrical Parts Location ...............................................................91
Electrical Parts List ..........................................................................92
Mechanical Parts List ...................................................................... 119
Cabinet Parts Location ............................................................... 119
Mechanical Parts List .................................................................. 124
Diagrams & Drawings ...................................................................... A1
Parts description and reading in schematic diagram .......... A2
Schematic Diagrams ........................................................................ A3
Printed Wiring Board Diagrams ..................................................A13
Pin description of diode, transistor and IC .............................A19
Note on Soldering ...........................................................................A20