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■ Contents
■ Contents________________________________________________________2
■ Safety Instructions ________________________________________________3
PRODUCT SAFETY NOTICE ____________________________________3
SERVICE PERSONNEL WARNING ______________________________3
SAFETY PRECAUTIONS ______________________________________3
■ Specifications ____________________________________________________4
■ Adjustments after Parts Replacement ________________________________5
■ Circuit Protections ________________________________________________6
Fuse ______________________________________________________6
Thermal switch ______________________________________________6
Interlock switch ______________________________________________6
Warning temperature and power failure protection __________________7
■ Mechanical Disassemblies__________________________________________8
■ Optical Parts Disassemblies ______________________________________14
■ LCD Panel/Prism Ass’y Replacement ________________________________19
■ Lamp Replacement ______________________________________________20
■ Optical Adjustments ______________________________________________21
■ Electrical Adjustments ____________________________________________25
Service Adjustment Menu Operation______________________________25
Circuit Adjustments __________________________________________26
Service Adjustment Data Table __________________________________30
Test Points and Locations ______________________________________34
■ Troubleshooting ________________________________________________35
No Power __________________________________________________35
No Picture __________________________________________________37
No Sound __________________________________________________39
Lens Motor Problems__________________________________________39
■ Control Port Functions ____________________________________________40
■ Waveform ______________________________________________________44
■ Cleaning ______________________________________________________46
■ IC Block Diagrams ______________________________________________47
■ Service parts lists ____________________________________________ 55-87
● Electrical parts list ______________________________________ 55-80
● Mechanical parts list ____________________________________ 81-87
Drawings & Diagrams ______________________________________ A1-A18
■ Parts description and reading in schematic diagram ____________________ A2
■ Circuit block diagram ____________________________________________ A3
■ Power supply lines ______________________________________________ A4
■ Printed wiring board diagrams ________________________________ A5-A10
■ Schematic diagrams ________________________________________ A11-A18
■ Pins description of ICs, transistors, diodes __________________________ A19
