Sanyo PLC-XU45 service manual Contents

■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

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