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Contents
SERVICE MANUAL ....................................................... 1
Contents ........................................................................ 2
Safety Instructions ......................................................... 3
Safety Precautions ...................................................... 3
Product Safety Notice ................................................. 3
Service Personnel Warning ........................................ 3
Specifications ................................................................ 4
Circuit Protections ......................................................... 5
Thermal switch ........................................................... 5
Lamp cover switch ...................................................... 5
Fuse ............................................................................ 5
Warning temperature and power failure protection ..... 6
Maintenance .................................................................. 7
Cleaning the Filter ...................................................... 7
Resetting the Filter Counter ........................................ 7
Attaching the Lens Cap .............................................. 8
Cleaning the Projection Lens ...................................... 8
Cleaning the Projector Cabinet ................................... 8
Lamp Replacement .................................................... 9
Resetting the Lamp Counter ..................................... 10
How to check Lamp Used Time ................................ 10
Cleaning ................................................................... 11
Security Function Notice.............................................. 12
Security Function Disable ......................................... 12
Mechanical Disassembly ............................................. 13
Optical Parts Disassembly ........................................... 17
Adjustments ................................................................. 23
Adjustments after Parts Replacement ...................... 23
Optical Adjustments ..................................................... 24
Contrast adjustment.................................................. 24
Integrator lens adjustment ........................................ 25
Relay lens-Out adjustment ....................................... 26
Electrical Adjustments ................................................. 27
Service Adjustment Menu Operation ........................ 27
Memory IC (IC1371) Replacement ........................... 27
Circuit Adjustments ................................................... 28
Test Points and Locations ......................................... 32
Service Adjustment Data Table ................................. 33
Chassis Block Diagrams .............................................. 50
Chassis over view ..................................................... 50
System control .......................................................... 51
Lamp control ............................................................. 52
Audio circuit .............................................................. 53
Power supply & protection circuit .............................. 54
Fan control circuit ..................................................... 55
IIC bus control circuit ................................................ 56
Troubleshooting ........................................................... 57
Indicators and Projector Condition ........................... 57
No Power .................................................................. 58
No Picture ................................................................. 59
No Sound .................................................................. 60
Control Port Functions ................................................. 61
Scaler I/O Port Functions (PW190) .......................... 61
IC Block Diagrams ....................................................... 62
Electrical Parts List ...................................................... 66
Electrical Parts Location ........................................... 67
Electrical Parts List ................................................... 68
Mechanical Parts List .................................................. 88
Cabinet Parts Location ............................................. 88
Optical Parts Location .............................................. 89
Mechanical Parts List ............................................... 93
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram ...A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams .................................A11
Pin description of diode, transistor and IC .................A15
Note on Soldering ......................................................A16
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General
Weight and Dimensions
