Table of Contents
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Contents
SERVICE MANUAL ................................................................................. 1
Contents ..................................................................................................
Safety Instructions ............................................................................... 3
Safety Precautions ............................................................................ 3
Product Safety Notice ..................................................................... 3
Service Personnel Warning ........................................................... 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 ......................................................1
How to check Lamp Used Time .................................................13
Security Function Notice and Standby mode notice ............14
Security Function Disable ............................................................14
Antitheft Alarm Function Disable .............................................14
Standby mode .................................................................................14
Mechanical Disassembly..................................................................15
Optical Parts Disassembly ...............................................................7
Optical Parts Location and Direction ......................................33
Adjustments .........................................................................................34
Adjustments after Parts Replacement ....................................34
Optical Adjustments .........................................................................35
Contrast adjustment......................................................................35
Integrator lens adjustment .........................................................36
Relay lens-Out adjustment .........................................................37
Projection Lens focus adjustment ............................................38
Electrical Adjustments ..................................................................40
Service Adjustment Menu Operation .....................................40
Circuit Adjustments .......................................................................41
Test Points and Locations ............................................................46
Service Adjustment Data Table .................................................48
Chassis Block Diagram ......................................................................63
Chassis over view ............................................................................63
System control .................................................................................64
Lamp control ....................................................................................65
Audio circuit .....................................................................................66
Power supply & protection circuit ............................................67
Eco-Standby mode (Sub-CPU) ...................................................68
Fan control circuit ...........................................................................69
IIC bus control circuit ....................................................................70
Troubleshooting .................................................................................71
Indicators and Projector Condition ..........................................71
No Power ...........................................................................................7
No Picture ..........................................................................................73
No Sound ...........................................................................................74
Control Port Functions .....................................................................75
Scaler I/O Port Functions (PW190) ...........................................75
IC Block Diagrams...............................................................................77
Electrical Parts List .............................................................................8
Electrical Parts Location ...............................................................83
Electrical Parts List ..........................................................................84
Mechanical Parts List ...................................................................... 105
Cabinet Parts Location ............................................................... 105
Optical Parts Location ................................................................ 105
Mechanical Parts List .................................................................. 109
Parts description and reading in schematic diagram .......... A
Schematic Diagrams ........................................................................ A3
Printed Wiring Board Diagrams .................................................... A9
Pin description of diode, transistor and IC .............................A13
Note on Soldering ...........................................................................A14
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