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Contents
SERVICE MANUAL ................................................................................. 1
Contents .................................................................................................. 2
Safety Instructions ............................................................................... 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 Counter ......................................................12
How to check Lamp Used Time .................................................13
Security Function Notice and Standby mode Notice ............14
Security Function Disable ............................................................14
Standby mode .................................................................................14
Mechanical Disassembly..................................................................15
Optical Disassembly ..........................................................................28
Optical Parts Location and direction .......................................34
Adjustments .........................................................................................35
Adjustments after Parts Replacement ....................................35
Optical Adjustments .........................................................................36
Contrast adjustment......................................................................36
Integrator lens adjustment .........................................................37
Relay lens-Out adjustment .........................................................38
Projection Lens focus adjustment ............................................39
Electrical Adjustments ..................................................................41
Service Adjustment Menu Operation .....................................41
Circuit Adjustments .......................................................................42
Test Points and Locations ............................................................47
Service Adjustment Data Table .................................................48
Chassis Block Diagram ......................................................................64
Chassis over view ............................................................................64
System control .................................................................................65
Lamp control ....................................................................................66
Audio circuit .....................................................................................67
Power supply & protection circuit ............................................68
Eco Standby (Sub CPU) .................................................................69
Fan control circuit ...........................................................................70
IIC bus control circuit ....................................................................71
Troubleshooting .................................................................................72
Indicators and Projector Condition ..........................................72
No Power ...........................................................................................73
No Picture ..........................................................................................74
No Sound ...........................................................................................75
Control Port Functions .....................................................................76
Scaler I/O Port Functions (PW190) ...........................................76
IC Block Diagrams...............................................................................78
Electrical Parts List .............................................................................83
Electrical Parts Location ...............................................................84
Electrical Parts List ..........................................................................85
Mechanical Parts List ...................................................................... 106
Cabinet Parts Location ............................................................... 106
Optical Parts Location ................................................................ 108
Mechanical Parts List .................................................................. 111
Diagrams & Drawings ...................................................................... A1
Parts description and reading in schematic diagram .......... A2
Schematic Diagrams ........................................................................ A3
Printed Wiring Board Diagrams .................................................... A9
Pin description of diode, transistor and IC .............................A13
Note on Soldering ...........................................................................A14
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