2
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Contents
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Safety instructions ________________________________________________3
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Specifications
__________________________________________________ 4
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Circuit protections ______________________________________________ 5-6
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Fuse ____________________________________________________ 5
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Thermal switch ____________________________________________ 5
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Lamp cover switch __________________________________________ 5
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Warning temperature and power failure protection
________________ 6
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Lamp replacement
______________________________________________ 7
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Mechanical disassemblies ______________________________________ 8-13
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Optical parts disassemblies ____________________________________ 14-16
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LCD panel/prism ass’y replacement ________________________________ 17
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Adjustments after parts replacement ________________________________ 18
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Optical adjustments __________________________________________ 19-21
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Contrast adjustment ________________________________________ 19
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Condenser lens adjustment __________________________________ 20
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Relay lens adjustment ______________________________________ 21
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Electric adjustments __________________________________________ 22-30
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Service adjustment menu operation ____________________________ 22
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Circuit adjustments ______________________________________ 23-25
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Service adjustment data table ______________________________ 26-29
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Test points and locations ____________________________________ 30
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Circuit block diagrams ________________________________________ 31-33
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Power supply lines ______________________________________________ 34
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Troubleshooting ______________________________________________ 35-38
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Indicators and Projector Condition ____________________________ 35
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No power ________________________________________________ 36
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No picture ________________________________________________ 37
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No sound ________________________________________________ 38
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Waveforms ____________________________________________________ 39
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Control port functions
________________________________________ 40-43
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Cleaning ______________________________________________________ 44
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IC block diagrams ____________________________________________ 45-48
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Service parts lists ____________________________________________ 49-67
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Electrical parts list ______________________________________ 49-63
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Mechanical parts list ____________________________________ 64-65
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Optical parts list ________________________________________ 66-67
Drawings & Diagrams
________________________________________ A1-A9
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Parts description and reading in schematic diagram ____________________ A2
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Schematic diagrams __________________________________________ A3-A6
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Printed wiring board diagrams __________________________________ A7-A8
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Pins description of ICs, transistors, diodes
__________________________ A9
